8431:, during which most stations shifted frequencies, in order to increase the number of Canadian clear channel assignments, as well as provide clear channels to Mexico and the Bahamas. Because FM and TV stations did not yet exist, the FCC's main intent for the clear-channel assignments was to provide reliable radio service to the thousands of Americans who lived in the vast rural areas of the United States. As a result, these stations usually reached large portions of North America at night. Radio fans (and staff at those stations) often affectionately call such stations "flamethrowers" or "blowtorches" because of their high power, and boast about their reach by a combined state and provincial count of their coverage area. One of the most outspoken of the small-town broadcasters,
8408:, and in the U.S. broadcasting industry, over whether continuation of the clear-channel system was justifiable. The licensees of clear-channel stations argued that, without their special status, many rural areas would receive no radio service at all. Rural broadcasters pointed out that most of the clear-channel stations were licensed to serve large cities on the two coasts, which made little sense for a service that was meant to provide radio to the vast rural areas in the middle of the country. On June 13, 1938, the U.S. Senate adopted resolution 294, sponsored by
8222:
8154:
6748:
6450:
4727:
3449:
3376:
3078:
3005:
2857:
2707:
2401:
1485:
1337:
885:
427:
279:
148:
early 1980s, many such stations have been permitted to operate at night with such low power as to be deemed not to interfere; these stations are still considered "daytimers" and are not entitled to any protection from interference with their nighttime signals. Another group of stations, formerly known as class II stations, were licensed to operate on the former "I-B" clear channels with significant power at night, provided that they use directional antenna systems to minimize radiation towards the primary stations.
8287:
8254:
7876:
7808:
7740:
7672:
7604:
7536:
7468:
7400:
7332:
7264:
7196:
7128:
7060:
6992:
6924:
6856:
6598:
6525:
6302:
6227:
6154:
6079:
6006:
5931:
5856:
5783:
5633:
5556:
5406:
5329:
5252:
5179:
5104:
4954:
4877:
4802:
4654:
4577:
4502:
4429:
4278:
4205:
4130:
4055:
3982:
3832:
3680:
3603:
3526:
3228:
3155:
2632:
2555:
2478:
2326:
2249:
2172:
2095:
2018:
1945:
1793:
1716:
1639:
1562:
1262:
1185:
1110:
1035:
810:
733:
656:
579:
502:
8370:, to assign station transmitting frequencies and powers. This led to unrestricted expansion of the number of stations to 732, and increased the number of stations operating on same frequency. Moreover, previously stations had been assigned to transmitting frequencies of multiples of 10 kHz, which largely eliminated heterodynes from adjacent frequencies. However, during the lapse in regulation, some stations relocated to non-standard "split frequencies", increasing heterodyne interference.
8412:(D-Montana), which stated that it was the "sense of the Senate... that the Federal Communications Commission should not adopt or promulgate rules to permit or otherwise allow any station operating on a frequency in the standard broadcast band (550 to 1600 kilocycles) to operate on a regular or other basis with power in excess of 50 kilowatts". However, the clear-channel licensees argued that a 50,000 watt limit in the U.S. should be lifted. They pointed to successful experiments made by
6375:
11178:
8327:
8186:
6673:
5708:
5479:
5027:
4352:
3905:
3755:
3301:
2930:
2782:
1868:
1410:
958:
352:
11188:
8424:, and in later years successful implementation by state broadcasters in Europe and the Middle East, as evidence that this would work and improve the service received by most Americans. Other broadcasters, particularly in the western states, argued to the contrary; that if the special status of the clear-channel stations was eliminated, they would be able to build facilities to provide local service to those rural "dark areas".
61:(Rio Agreement), they are occasionally still referred to by their former classifications of Class I-A (the highest classification), Class I-B (the next highest class), or Class I-N (for stations in Alaska too far away to cause interference to the primary clear-channel stations in the lower 48 states). The term "clear-channel" is used most often in the context of North America and the Caribbean, where the concept originated.
11167:
8508:; and others) began what would later be called "the breakdown of the clear channels". The class I-A station owners' proposal to increase power fifteen-fold was not immediately quashed, but the new II-A stations would make it effectively impossible for stations on the duplicated channels to do so, and the owners eventually lost interest. That proposal was finally taken off the FCC's docket in the late 1970s.
11198:
8377:(FRC) was formed in March 1927, and one of its key tasks was to reorganize the chaotic broadcast band. A May 1927 reallocation began the process, in part by eliminating "split frequency" operations. A December 1, 1927 report on the FRC's ongoing work reviewed operations on 600 to 1000 kHz, which divided these frequencies into ones that were considered "clear" and "unclear". Its 1928 implementation of
8363:
stations. Many of the Class B frequencies were assigned to a single station, although a few were used on both the East and West coasts, which were considered far enough apart to limit interference. Class B stations with transmitters located in population centers were limited to 1,000 watts, although stations that operated transmitters at remote sites were permitted to use up to 5,000 watts.
8000:. After numerous delays, the station began broadcasting a series of test tones intermittently on October 26, 2016. Official testing began on November 16, 2016, with music and recorded announcements with a phone number to report signal interference. Although the station was given a deadline of November 21, 2016, by the CRTC to launch its French news-talk format, the station has yet to do so.
214:
during all hours could increase power to 100 kW days and 10 kW nights, unless a directional antenna system was installed for nights, in which case the maximum night power was 50 kW. Additionally, one Class B station that had been operating non-directionally with 100 kW days and 50 kW nights was required to reduce power to 50 kW during all hours.
8355:
antennas or skywave-suppressing vertical antennas until the early 1930s. The problem was much more severe at night, when skywave signals expanded station signal coverage to hundreds of kilometers. However, with most stations located at urban locations, quality skywave service was considered to be important for providing nighttime reception to the extensive rural regions.
129:. Classes "I-A" and "I-B" still mandate a minimum efficiency of 362.10 mV/m/kW at 1 km, whereas Class "I-N" is permitted to use the lower Class B minimum efficiency of 281.63 mV/m/kW at 1 km. There exist exceptions, where a former Class B station was elevated to Class A, yet it maintained its previous antenna system, or made only minor changes thereto.
8393:, eight clear channels were assigned to each of five U.S. regions. This classification also reserved a small number of frequencies for use by Canada. The maximum power for clear channel stations was gradually increased to 50,000 watts: additionally there were some short-lived experiments with 250–500 kilowatt "super-power" operations, most prominently by
109:. These frequencies were known as the "clear channels", and the stations on them are thus clear-channel stations. NARBA set aside 37 Class I-A frequencies and 27 Class I-B frequencies. The Class I-N stations in Alaska shared those same frequencies. Where only one station was assigned to a clear channel, the treaty provides that it must operate with a
8479:
for the right to move from a regional channel to a clear channel, 770 kHz, arguing that the New York signal was so weak in the mountain west that it served no one there. KOB eventually won the argument in the late 1960s; it and several other western stations were allowed to move to eastern clear
8362:
started moving stations which had previously shared three (initially two) frequencies (two for entertainment stations, one for "weather and crop reports") onto a band of frequencies from 550 to 1350 kHz, which was later extended to 1500 kHz, with 550 to 1070 kHz reserved for higher powered "Class B"
147:
Many stations beyond those listed in the treaty have been assigned to operate on a clear channel (and some had been long before NARBA came into effect in 1941). In most cases, those stations operate during the daytime only, so as not to interfere with the primary stations on those channels. Since the
8518:
In 1987 the FCC changed its rules to prohibit applications for new "class-D" stations. (Class-D stations have night power between zero and 250 watts, and frequently operate on clear channels.) However, any existing station could voluntarily relinquish nighttime authority, thereby becoming a class-D,
8260:
Downgraded to class B in 1998 by reducing night power to 9.8 kilowatts with a three tower directional antenna; Inner City
Broadcasting purchased WOWO so that its station in New York, WLIB, could remain on air 24 hours a day. WOWO was later purchased by Pathfinder Communications, the current owners.
160:
stations that are limited to broadcasting during the daytime only, as their signals would interfere with clear-channel and other radio stations at night, when solar radiation is reduced, and medium wave radio signals can propagate much farther. Such stations are allowed three manners of operation
8354:
In the early days of radio, regulators had difficulty reducing interference between stations. There were two major limitations: a lack of good frequency control during the 1920s, resulting in heterodyne tones that were encountered far beyond the range of understandable audio, and no directional
213:
Under the most recent treaty, Mexican Class A stations that previously operated with 50 kW or less (but a minimum of 10 kW nights) may increase power to 100 kW days while retaining their 10 kW night operation. This created some anomalies where stations licensed for 10 kW
8861:
Already pending before the
Commission were the applications of WLW, Cincinnati, for 650,000 watts, WOAI, San Antonio, seeking 750,000 watts, KSL, Salt Lake City, for 500,000 watts, and WSM, Nashville asking 500,000-watt operation. Similarly the application of WHO, Des Moines, for an increase to
124:
Some of the original NARBA signatories, including the United States, Canada and Mexico, have implemented bilateral agreements that supersede NARBA's terms, eliminating among other things the distinction between the two kinds of clear channel: the original "I-A" and "I-B" classes, and the newer,
8454:
After 1941, several clear-channel stations applied for power increases to between 500 and 750 kW; with dissemination of national defense information cited as one reason this would be in the public interest. In
October 1941 the FCC's engineering department presented a report on a complete
8762:"Broadcasting stations by frequency, showing clear channels (600 to 1,000 kilocycles band), effective December 1, 1927, and subsequently" and "Broadcasting stations, by frequencies, showing uncleared channels (600 to 1,000 kilocycles), effective December 1 and subsequently"
81:
having formerly operated with 250,000 watts for over 80 years before moving the transmitter and reducing to 100,000 watts in 2016. Cuba was originally included in the plan and had several stations given clear-channel status, but stopped participating after the
7996:, which ceased operations in 2010. Despite leaving the air, it remained notified to the U.S. as a class-A allotment. A new license has since been granted to Tietolman-Tétrault-Pancholy Media (TTP) to broadcast a French news-talk format at 940 AM by the
169:
is Class D. A great number of these stations use FM translators to continue their broadcasts overnight, and some also broadcast on the internet and have separate streams that air when the station's over-the-air signal has signed off.
56:
signals. This classification exists to ensure the viability of cross-country or cross-continent radio service enforced through a series of treaties and statutory laws. Known as Class A stations since the 1983 adoption of the
8459:
described it), and suggested that stations would have to be relocated away from the east and west coasts in such a scenario, as coastal stations waste energy over the oceans. One complication the FCC considered was the 1938
72:
to retain their status. Nearly all such stations in the United States, Canada and The
Bahamas broadcast with 50,000 watts, with several clear-channel stations in Mexico going as high as 150,000 watts, and
58:
8333:
A bad permit renewal, made in 2005, required this station to shut down in June 2016. When the university applied to resume operation on AM, it was denied, and the station moved to FM and launched
8455:
reorganization of the clear-channel service; the report considered the possibility of "some 25 superpower stations of 500,000 watts or more, strategically located to provide maximum service" (as
181:). WKEN proposed the concept to avoid the then-common practice of having to share one frequency between multiple stations; under General Order 40, WKEN would have had to share its frequency with
185:, and the daytime-only proposal allowed both stations their own frequency. WUFO remains a daytime-only station to the present day, albeit with a 24/7 FM translator introduced in mid-2017.
161:
after sunset; to sign off the air completely until sunrise, reduce power (sometimes dramatically, to only a few watts), or switch to a nighttime-only frequency (such as the
Detroit area's
117:
or more. These were for the most part Class I-A. Stations on the other clear channels, with two or more stations, must use between 10 kW and 50 kW, and most often use a
121:
so as not to interfere with each other. In addition to the frequencies, the treaty also specified the specific locations where stations on Class I-B channels could be built.
7997:
7887:
6536:
5490:
3916:
7479:
8439:, went so far as to apply to move his station, then on the 1370 kHz regional channel, to a class I-A signal on 660 kHz, asking the FCC to downgrade the
3016:
1421:
969:
3312:
4363:
7751:
7411:
6386:
6165:
5038:
4738:
3166:
1879:
7683:
7547:
7343:
7275:
7207:
7139:
7071:
7003:
6935:
6759:
6609:
6090:
6017:
5942:
5867:
5794:
5719:
5644:
5567:
5417:
5263:
4965:
4665:
4513:
4440:
4066:
3993:
3239:
1121:
821:
363:
10442:
6867:
4588:
3843:
3691:
2566:
2337:
2260:
2183:
2106:
1956:
1804:
1727:
744:
667:
513:
7615:
6684:
6238:
5190:
4289:
4141:
3766:
2941:
2793:
2643:
2489:
2029:
1573:
1273:
590:
7819:
5340:
4813:
3537:
6461:
6313:
4888:
2718:
1496:
438:
8528:
3614:
3387:
2868:
1650:
1348:
1046:
896:
290:
8196:
in 2013. At its height XETQ was authorized for 100 kW day/50 kW night. In the 1990s it lowered its power to 10 kW day/1 kW night.
5115:
3089:
2412:
3460:
4216:
1196:
11227:
166:
126:
8087:
9013:
8428:
99:
11150:
11122:
11117:
10142:
173:
Daytime-only stations first originated in the late 1920s shortly after
General Order 40 was imposed. One of the first to do so was WKEN in
8986:
8511:
On May 29, 1980, the FCC voted to limit the protection for all clear-channel stations to a 750-mile (1,207 km) radius around the
11232:
7985:
7943:
414:
3065:
30:
This article is about class A/class I protected AM stations. For stations owned by the company formerly named Clear
Channel, see
8515:. Stations on those frequencies outside the area of protection were no longer required to sign off or power down after sundown.
8484:
in San
Francisco, had been "duplicated" in the eastern states for many years.) These new Class II-A assignments (in places like
132:
Clear-channel stations, unlike other AM stations in North
America, have protection from interference to their nighttime skywave
11144:
9613:
9298:
11222:
11139:
11129:
11109:
10911:
339:
8587:
8583:
8359:
10276:
8366:
Problems intensified in the summer of 1926, when a successful challenge was made to the government's authority, under the
8082:, with 10 kW, but chose instead to move to FM itself (despite being notified to the U.S. as an existing station on 1580).
102:(NARBA) for use by usually only one, although in some cases two or three, AM stations, covering a wide nighttime area via
11201:
11134:
10980:
8086:
moved from 1350 to 1580 kHz on August 13, 2006, and became that day a class A station using 10 kW. U.S. FCC record is at
10906:
8914:
8953:
8729:
8633:
11000:
8777:
8745:
8713:
8681:
8649:
8401:
6843:
192:, signed off on February 17 of that year after converting to the FM band. There were 61 daytimers in Mexico in 2015.
8761:
10785:
10333:
10135:
203:
First is the Canada, Mexico, and contiguous United States table, for the former class I-A and class I-B stations.
10896:
8021:, traditionally on 540 kHz, also started broadcasting on the same AM transmitter and frequency that CBE had used.
10891:
8979:
7975:
in
Toronto until 2000 when the station moved to 99.1 FM. CFZM, known at the time as CHWO, acquired 740 in 2001.
10916:
8766:
Jurisdiction of Radio Commission: Statement of Hon. Eugene O. Sykes, Acting Chairman Federal Radio Commission
8697:
17:
8941:
8381:
was only partially successful in reducing the number of stations. On November 11, 1928, the FRC implemented
11191:
10952:
10849:
10392:
10187:
10159:
8533:
49:
8936:
11181:
10688:
10128:
8046:
4714:
4339:
2694:
1855:
11040:
10962:
10901:
10608:
5620:
3819:
8931:
10812:
10773:
10618:
10518:
10447:
10380:
10207:
8972:
4564:
3070:
1932:
797:
419:
188:
As of 2013, daytimers exist only in the United States and Mexico. The last Canadian daytime station,
6660:
11171:
10413:
10348:
10301:
10261:
8374:
3513:
945:
65:
5014:
3742:
11010:
10995:
10839:
10790:
10713:
10613:
10291:
10177:
10172:
8876:
8851:
8827:
8665:
8472:
8444:
8050:
6512:
5239:
10932:
10718:
10533:
10478:
10473:
10286:
10251:
7958:
applied for and was granted the frequency, and moved from 990 kHz to 690 kHz in September 2012.
6141:
2465:
2159:
8349:
10834:
10638:
10603:
10523:
10503:
10425:
10313:
10234:
5770:
4789:
4192:
4117:
3590:
2005:
266:
10167:
8228:
Moved to FM in April 2008. Canada has not withdrawn the international notification for CBA.
10748:
10708:
10678:
10435:
10370:
10192:
8298:
8033:
is the only U.S. class-A station licensed to operate with less than 50 kilowatts full-time.
5918:
5466:
5091:
2236:
1554:
566:
136:. Other stations are entitled, at most, to protection from nighttime interference in their
8:
10758:
10698:
10457:
10419:
10217:
10202:
9838:
9060:
8141:
7732:
5316:
4641:
4265:
118:
10985:
10942:
10873:
10743:
10673:
10648:
10583:
10430:
10151:
8461:
8279:
8067:
7868:
7052:
5543:
4941:
3147:
2992:
1102:
9893:
9501:
3887:
344:
11025:
10947:
10861:
10844:
10807:
10653:
10483:
10452:
10318:
10212:
8926:
8837:
A half-dozen other applications ranging from 500,000 to 750,000 watts now are pending
8559:
8409:
8367:
7800:
7528:
7324:
7188:
6984:
6916:
6066:
2082:
1860:
1626:
174:
106:
10693:
11030:
10990:
10970:
10937:
10866:
10824:
10738:
10593:
10578:
10553:
10528:
10488:
10338:
10197:
10182:
8591:
8405:
8382:
8378:
8079:
7256:
6590:
6437:
6214:
6071:
5848:
5843:
5393:
5321:
4869:
4719:
3667:
3436:
3363:
2844:
2547:
2388:
2313:
2010:
1708:
1549:
1472:
1324:
1177:
1022:
872:
648:
204:
83:
10658:
10513:
10281:
10256:
10244:
9005:
8606:
When two figures are listed, the first is daytime power, the second is nighttime.
8590:. Last modified 2018-05-16. Retrieved 2015-12-15. Technical information from the
8440:
8390:
8117:
6822:
6735:
6362:
5166:
4489:
4416:
4344:
950:
235:
42:
8053:. It is currently unknown if the station will return as a Clear-channel station.
10856:
10728:
10703:
10663:
10633:
10508:
10343:
10296:
10271:
10229:
8436:
8173:
7392:
7120:
6848:
6367:
6289:
4569:
8835:(17). Washington, D.C.: Broadcasting Publications, Inc.: 52 October 27, 1941.
11216:
11005:
10778:
10768:
10683:
10573:
10568:
10558:
10543:
10365:
10224:
9110:
8814:(9). Washington, D.C.: Broadcasting Publications, Inc.: 16 September 1, 1941.
8427:
The clear channel standards were continued by the March 1941 adoption of the
8286:
8253:
8214:
7968:
7903:
7889:
7875:
7835:
7821:
7807:
7767:
7753:
7739:
7699:
7685:
7671:
7664:
7631:
7617:
7603:
7563:
7549:
7535:
7495:
7481:
7467:
7427:
7413:
7399:
7359:
7345:
7331:
7291:
7277:
7263:
7223:
7209:
7195:
7155:
7141:
7127:
7087:
7073:
7059:
7019:
7005:
6991:
6951:
6937:
6923:
6883:
6869:
6855:
6775:
6761:
6700:
6686:
6625:
6611:
6597:
6585:
6552:
6538:
6524:
6477:
6463:
6402:
6388:
6329:
6315:
6301:
6254:
6240:
6226:
6181:
6167:
6153:
6106:
6092:
6078:
6033:
6019:
6005:
5993:
5958:
5944:
5930:
5883:
5869:
5855:
5810:
5796:
5782:
5735:
5721:
5660:
5646:
5632:
5583:
5569:
5555:
5506:
5492:
5433:
5419:
5405:
5356:
5342:
5328:
5279:
5265:
5251:
5244:
5206:
5192:
5178:
5131:
5117:
5103:
5054:
5040:
4981:
4967:
4953:
4904:
4890:
4876:
4864:
4829:
4815:
4801:
4754:
4740:
4681:
4667:
4653:
4604:
4590:
4576:
4529:
4515:
4501:
4456:
4442:
4428:
4379:
4365:
4305:
4291:
4277:
4232:
4218:
4204:
4157:
4143:
4129:
4082:
4068:
4054:
4042:
4009:
3995:
3981:
3932:
3918:
3859:
3845:
3831:
3782:
3768:
3707:
3693:
3679:
3630:
3616:
3602:
3595:
3553:
3539:
3525:
3476:
3462:
3403:
3389:
3328:
3314:
3255:
3241:
3227:
3182:
3168:
3154:
3105:
3091:
3032:
3018:
2957:
2943:
2884:
2870:
2809:
2795:
2734:
2720:
2659:
2645:
2631:
2582:
2568:
2554:
2542:
2505:
2491:
2477:
2428:
2414:
2353:
2339:
2325:
2276:
2262:
2248:
2199:
2185:
2171:
2122:
2108:
2094:
2045:
2031:
2017:
1972:
1958:
1944:
1895:
1881:
1820:
1806:
1792:
1743:
1729:
1715:
1703:
1666:
1652:
1638:
1589:
1575:
1561:
1512:
1498:
1437:
1423:
1364:
1350:
1289:
1275:
1261:
1212:
1198:
1184:
1172:
1137:
1123:
1109:
1062:
1048:
1034:
985:
971:
912:
898:
837:
823:
809:
760:
746:
732:
683:
669:
655:
643:
606:
592:
578:
529:
515:
501:
454:
440:
379:
365:
306:
292:
110:
45:
8849:"WSB Revives Its 500-kw. Application, Seventh Stations Seeking Superpower".
5019:
3747:
200:
The following two tables show all of the class-A stations in North America.
59:
Regional Agreement for the Medium Frequency Broadcasting Service in Region 2
10883:
10723:
10668:
10598:
10563:
10498:
10397:
10387:
10239:
9017:
8421:
8389:
frequencies as Local, Regional or Clear. Under restrictions imposed by the
8146:
7596:
7460:
5625:
3824:
3518:
2699:
271:
11083:
10733:
10643:
10628:
10588:
10548:
10407:
9566:
8964:
8512:
8293:
Downgraded to class B in 2011 to make room for co-channel sister station
6374:
5700:
5695:
4122:
3969:
3897:
3892:
3293:
3288:
2922:
2917:
2774:
2769:
1402:
1397:
489:
95:
78:
31:
11088:
10795:
10493:
10402:
10358:
10328:
10306:
8451:, to make way for the Butte station. The FCC denied Craney's petition.
8417:
8358:
For the U.S., a form of clear channels first appeared in 1923 when the
8241:
6517:
6146:
3974:
1937:
802:
494:
165:, which broadcasts on 690 during the day, and on 680 at night). Their
141:
11073:
10538:
10353:
10120:
10083:
10078:
10058:
10053:
10048:
10033:
10013:
9998:
9993:
9988:
9983:
9968:
9923:
9913:
9908:
9903:
9868:
9848:
9793:
9783:
9778:
9773:
9768:
9743:
9733:
9678:
9668:
9653:
9648:
9638:
9633:
9585:
9478:
9463:
9438:
9423:
9383:
9378:
9363:
9353:
9348:
9343:
9323:
9318:
9313:
9308:
9278:
9268:
9258:
9253:
9248:
9238:
9228:
9218:
9208:
9203:
9198:
9178:
9153:
9148:
9133:
9128:
9080:
8501:
8497:
8485:
8481:
8476:
8468:
8448:
8432:
8236:
8112:
8106:
8083:
8042:
8030:
7863:
7795:
7591:
7183:
7115:
7047:
6815:
6810:
6730:
6580:
6507:
6209:
6136:
5988:
5923:
5775:
5765:
5537:
5310:
5234:
5161:
4935:
4794:
4260:
4112:
4037:
3507:
3136:
2689:
2470:
2383:
2230:
2164:
2153:
2076:
1774:
1697:
1092:
791:
637:
571:
228:
223:
8917:
11068:
11058:
10975:
10800:
10623:
10003:
9978:
9938:
9928:
9898:
9888:
9878:
9873:
9853:
9833:
9813:
9798:
9788:
9758:
9753:
9748:
9718:
9693:
9683:
9623:
9603:
9593:
9531:
9516:
9473:
9453:
9443:
9428:
9408:
9388:
9373:
9368:
9338:
9333:
9303:
9273:
9243:
9233:
9193:
9163:
9055:
9050:
9045:
9040:
8334:
8319:
8309:
8178:
8010:
7972:
6665:
5998:
5387:
5171:
5085:
4946:
4646:
4558:
4494:
4333:
4270:
4197:
3963:
3813:
3661:
3584:
3358:
3220:
3060:
2997:
2987:
2624:
2613:
2459:
2318:
2307:
2241:
2000:
1926:
1850:
1785:
1631:
1543:
1254:
1243:
1166:
725:
560:
483:
409:
261:
157:
74:
8959:
11063:
11048:
10266:
10088:
10008:
9973:
9658:
9598:
9551:
9546:
9541:
9526:
9511:
9009:
8386:
8274:
8246:
8209:
8204:
8193:
8168:
8075:
8071:
8014:
7989:
6740:
6725:
6655:
6650:
6502:
6442:
6427:
6279:
6131:
5983:
5908:
5760:
5685:
5608:
5531:
5471:
5461:
5381:
5304:
5156:
5079:
5009:
4929:
4779:
4629:
4404:
4182:
4107:
3957:
3807:
3732:
3655:
3578:
3501:
3441:
3368:
3353:
3283:
3215:
3142:
3130:
2619:
2393:
1780:
1477:
1249:
1097:
940:
720:
334:
189:
103:
53:
8784:(Seventy-Fifth Congress, Third Session), June 9, 1938, page 507.
11093:
11053:
10375:
10023:
9883:
9823:
9818:
9703:
9556:
9536:
9521:
9506:
9496:
9488:
9027:
8718:
Official Opinions of the Attorneys General of the United States
8326:
8314:
8221:
8185:
8153:
8136:
8063:
7992:(that station migrated to FM in 1998), and was later reused by
7950:(that station migrated to FM in 1998), and was later reused by
7947:
6802:
6747:
6672:
6449:
5707:
5690:
5478:
5398:
5026:
4726:
4351:
3904:
3754:
3737:
3448:
3375:
3300:
3077:
3004:
2982:
2929:
2912:
2856:
2849:
2834:
2781:
2764:
2759:
2706:
2684:
2607:
2530:
2453:
2400:
2378:
2301:
2224:
2147:
2070:
1920:
1867:
1845:
1768:
1691:
1614:
1537:
1484:
1462:
1409:
1392:
1336:
1329:
1314:
1237:
1087:
1010:
957:
884:
877:
862:
785:
708:
631:
554:
426:
404:
351:
278:
256:
210:
Second is the Alaska table, for the former class I-N stations.
8716:(July 8, 1926) by Acting Attorney General William J. Donovan,
11078:
11015:
10323:
10068:
9574:
8538:
6357:
5548:
4047:
2087:
8682:"Broadcasting stations of the United States by wave lengths"
8475:, fought a long legal battle against the FCC and New York's
64:
Since 1941, these stations have been required to maintain a
11020:
10093:
10073:
10063:
10043:
10038:
10028:
10018:
9963:
9958:
9953:
9948:
9943:
9933:
9918:
9863:
9858:
9843:
9828:
9808:
9803:
9763:
9738:
9728:
9713:
9708:
9698:
9688:
9663:
9643:
9628:
9618:
9468:
9458:
9448:
9433:
9418:
9403:
9393:
9358:
9328:
9293:
9288:
9283:
9263:
9223:
9213:
9188:
9173:
9168:
9158:
9143:
9138:
9123:
9118:
9100:
9095:
9090:
9085:
9075:
9070:
9065:
9035:
8505:
8493:
8489:
8294:
8018:
7993:
7955:
7951:
7727:
7659:
7523:
7455:
7387:
7319:
7251:
6979:
6911:
6432:
6294:
6284:
6219:
6061:
5913:
5838:
5614:
5096:
4858:
4784:
4709:
4635:
4484:
4421:
4410:
4187:
3672:
3431:
3210:
2839:
2536:
1467:
1319:
1027:
867:
714:
182:
178:
162:
114:
69:
9723:
9673:
9608:
9413:
9398:
9183:
8874:"Superpower, Clear Channels Slated for Early FCC Probe".
8796:, Vol. 1 No. 1, Clear Channel Group (November 1938), p. 2
8413:
8394:
8269:
1620:
1016:
8954:
AM Station Classes - Clear, Regional, and Local Channels
8746:"List of broadcasting stations issued temporary permits"
8095:
8862:
500,000 watts is reported to be about ready for filing.
8730:"Broadcasting stations, alphabetically by call signals"
8806:"KGIR, Butte, Requests 50 kw. On WEAF Clear Channel".
8013:, which shut down the AM station after moving to 97.5
8782:
Journal of the Senate of the United States of America
125:
U.S.-only "I-N" class, which are now all included in
8666:"Radio Conference Recommendations: New Wave Lengths"
156:
Daytimers (also known as daytime-only stations) are
8464:suggestion that stations be limited to 50 kW.
8529:Regulation of radio broadcast in the United States
8778:"Limitation of Power of Radio Broadcast Stations"
8400:The Federal Radio Commission was replaced by the
8337:on a frequency of 90.5 MHz on June 1, 2016.
195:
52:from other stations, particularly from nighttime
11214:
8519:and several have done so since the rule change.
8045:is currently operating with 1,000 watts under a
8960:Big USA, Mexico, and Canadian AM radio stations
8429:North American Regional Broadcasting Agreement
100:North American Regional Broadcasting Agreement
48:that has the highest level of protection from
10136:
8980:
98:frequencies were set aside in 1941 under the
9008:radio stations, with a full-power nighttime
8577:
11151:Global telecommunications regulation bodies
9016:from inteference well beyond their daytime
8480:channels. (Western clear channels, such as
11187:
10143:
10129:
8994:
8987:
8973:
8714:"Federal Regulation of Radio Broadcasting"
8634:"Amendments to Regulations: Regulation 57"
8049:after airing on a new transmitter site in
8588:Infraestructura de Estaciones de Radio AM
8078:applied for and was granted 1580 kHz in
11228:United States communications regulation
8602:
8600:
8584:Instituto Federal de Telecomunicaciones
8350:Medium wave § Use in North America
14:
11215:
10150:
8877:Broadcasting and Broadcast Advertising
8852:Broadcasting and Broadcast Advertising
8828:Broadcasting and Broadcast Advertising
8808:Broadcasting and Broadcast Advertising
8557:
10124:
8968:
8301:, reducing night power to 15 kW
8096:List of former clear-channel stations
7954:; after CINF closed in January 2010,
11197:
8609:
8597:
6805:class A (former class I-N) stations
8558:Fybush, Scott (February 26, 2010).
8404:(FCC) in 1934. There was debate in
24:
8698:"U.S. Radio Power Scale Announced"
8160:Moved to FM on December 31, 2022.
218:Class A (former I-A/I-B) stations
25:
11244:
8904:
8720:, Volume 35, 1929, pages 126-132.
8640:, September 1, 1922, pages 10-11.
8402:Federal Communications Commission
11196:
11186:
11177:
11176:
11165:
10786:Free-space optical communication
8736:, December 31, 1926, pages 9-21.
8325:
8285:
8252:
8220:
8184:
8152:
8062:1580 kHz was originally used by
7874:
7806:
7738:
7670:
7602:
7534:
7466:
7398:
7330:
7262:
7194:
7126:
7058:
6990:
6922:
6854:
6746:
6671:
6596:
6523:
6448:
6373:
6300:
6225:
6152:
6077:
6004:
5929:
5854:
5781:
5706:
5631:
5554:
5477:
5404:
5327:
5250:
5177:
5102:
5025:
4952:
4875:
4800:
4725:
4652:
4575:
4500:
4427:
4350:
4276:
4203:
4128:
4053:
3980:
3903:
3830:
3753:
3678:
3601:
3524:
3447:
3374:
3299:
3226:
3153:
3076:
3003:
2928:
2855:
2780:
2705:
2630:
2553:
2476:
2399:
2324:
2247:
2170:
2093:
2016:
1943:
1866:
1791:
1714:
1637:
1560:
1483:
1408:
1335:
1260:
1183:
1108:
1033:
956:
883:
808:
731:
654:
577:
500:
425:
350:
277:
140:—that which is covered by their
11233:Mass media regulation in Canada
8888:
8867:
8842:
8818:
8799:
8787:
8771:
8755:
8739:
8723:
8707:
8691:
8675:
8659:
8643:
8627:
8618:
8056:
8036:
7986:originally assigned under NARBA
7944:originally assigned under NARBA
10109:
8551:
8070:. After that station moved to
8024:
8017:in 2011. On November 1, 2012,
8003:
7978:
7961:
7936:
196:List of clear-channel stations
89:
13:
1:
8752:, April 30, 1927, pages 6-14.
8688:, March 2, 1925, pages 12-13.
8544:
11223:Clear-channel radio stations
11172:Telecommunication portal
10953:Telecommunications equipment
9012:signal that is protected by
8859:(18): 57. November 3, 1941.
8704:, October 29, 1924, page 18.
8534:Clear Channel Communications
151:
7:
10689:Alexander Stepanovich Popov
10110:Daytime-only radio stations
8942:GPX (secondary coordinates)
8895:Facts on File 1980 Yearbook
8884:(16): 12. October 20, 1941.
8656:, January 3, 1922, page 10.
8650:"Amendments to Regulations"
8560:"Remembering Buffalo's BBC"
8522:
8047:special temporary authority
7859:
7791:
7723:
7655:
7587:
7519:
7451:
7383:
7315:
7247:
7179:
7111:
7043:
6975:
6907:
6839:
6724:
6649:
6576:
6501:
6426:
6353:
6278:
6205:
6130:
6057:
5982:
5907:
5834:
5759:
5684:
5607:
5530:
5457:
5380:
5303:
5230:
5155:
5078:
5005:
4928:
4853:
4778:
4705:
4628:
4553:
4480:
4403:
4329:
4256:
4181:
4106:
4033:
3956:
3883:
3806:
3731:
3654:
3577:
3500:
3427:
3352:
3279:
3206:
3129:
3056:
2981:
2908:
2833:
2758:
2683:
2606:
2529:
2452:
2377:
2300:
2223:
2146:
2069:
1996:
1919:
1844:
1767:
1690:
1613:
1536:
1461:
1388:
1313:
1236:
1161:
1086:
1009:
936:
861:
784:
707:
630:
553:
478:
403:
330:
255:
10:
11249:
10393:Telecommunications history
8624:FCC license BL-20100527AGH
8347:
8343:
29:
11160:
11102:
11039:
11001:Public Switched Telephone
10961:
10925:
10882:
10823:
10813:telecommunication circuit
10774:Fiber-optic communication
10757:
10519:Francis Blake (telephone)
10466:
10314:Optical telecommunication
10158:
10102:
9583:
9565:
9487:
9109:
9026:
9002:
8937:GPX (primary coordinates)
8912:Map all coordinates using
8780:(Senate Resolution 294),
3071:Newfoundland and Labrador
420:Newfoundland and Labrador
207:allocations are in bold.
10912:Orbital angular-momentum
10349:Satellite communications
10188:Communications satellite
9014:international agreements
8920:Download coordinates as:
8375:Federal Radio Commission
8009:1550 kHz was originally
7984:940 kHz at Montreal was
7942:690 kHz at Montreal was
7929:
7904:64.759444°N 147.323889°W
7768:61.483889°N 149.762222°W
7700:59.670556°N 151.443889°W
7564:64.878889°N 147.668333°W
7496:64.487778°N 165.299444°W
7428:61.111111°N 146.260833°W
7360:61.338333°N 150.034167°W
7292:66.839444°N 162.568056°W
7224:61.206944°N 149.922222°W
7156:71.256667°N 156.525556°W
7088:59.045278°N 158.451944°W
7020:64.808056°N 147.492778°W
6952:61.166111°N 149.826111°W
6835:Transmitter coordinates
6553:35.308333°N 119.046111°W
6182:38.848333°N 121.482778°W
5507:20.736389°N 103.347778°W
5434:45.422222°N 122.565833°W
5055:25.764444°N 100.253056°W
4755:49.157601°N 123.067024°W
4380:32.402278°N 117.086722°W
4010:33.859722°N 118.349722°W
3183:47.463611°N 122.440833°W
2354:39.506111°N 104.765833°W
1973:37.526389°N 122.100556°W
1896:31.695556°N 106.383611°W
1138:47.398611°N 122.433333°W
838:37.547222°N 122.233333°W
530:33.879722°N 118.013056°W
251:Transmitter coordinates
66:transmitter power output
27:Type of AM radio station
10791:Molecular communication
10614:Gardiner Greene Hubbard
10443:Undersea telegraph line
10178:Cable protection system
8473:Albuquerque, New Mexico
8051:West Orange, New Jersey
6884:60.78175°N 161.885639°W
6776:43.871944°N 78.764722°W
6626:40.716667°N 73.917778°W
6403:25.003917°N 77.350333°W
6107:42.769444°N 78.842778°W
6034:35.333333°N 97.504444°W
5959:36.271944°N 86.757778°W
5884:39.041944°N 77.046389°W
5811:45.025556°N 93.051667°W
5736:19.308611°N 99.058889°W
5661:39.979444°N 74.986944°W
5584:29.502111°N 98.128806°W
5280:40.101944°N 80.867222°W
4982:37.403611°N 77.316389°W
4682:38.722778°N 90.055278°W
4605:35.132222°N 80.889722°W
4530:41.119722°N 96.001667°W
4457:41.280556°N 81.622778°W
4083:32.890281°N 96.645561°W
3944:XEEP 1060 - 100 / 20 kW
3933:19.363972°N 99.027194°W
3860:40.103333°N 75.248889°W
3708:41.652778°N 93.350278°W
3256:41.818056°N 87.988333°W
3033:49.836111°N 97.512778°W
2958:19.360217°N 98.992194°W
2660:41.555833°N 87.848333°W
2583:40.859806°N 73.785444°W
2506:29.837222°N 90.131944°W
2277:38.261111°N 85.428611°W
2200:45.178889°N 93.349722°W
2123:32.610556°N 97.167778°W
2046:42.792336°N 74.011937°W
1821:41.990556°N 88.027778°W
1744:40.880556°N 74.069444°W
1590:33.843889°N 84.253333°W
1290:42.011667°N 88.035278°W
997:XEWW 690 - 77.5 / 50 kW
761:41.934167°N 88.073333°W
684:40.859722°N 73.785278°W
607:35.998194°N 86.790833°W
380:22.157944°N 100.92625°W
10933:Communication protocol
10719:Charles Sumner Tainter
10534:Walter Houser Brattain
10479:Edwin Howard Armstrong
10287:Information revolution
8996:Clear-channel stations
8750:Radio Service Bulletin
8734:Radio Service Bulletin
8686:Radio Service Bulletin
8654:Radio Service Bulletin
8638:Radio Service Bulletin
8564:Tower Site of the Week
7915:KJNP 1170 - 50 / 21 kW
7909:64.759444; -147.323889
7773:61.483889; -149.762222
7705:59.670556; -151.443889
7632:64.4875°N 165.314722°W
7569:64.878889; -147.668333
7501:64.487778; -165.299444
7433:61.111111; -146.260833
7365:61.338333; -150.034167
7297:66.839444; -162.568056
7229:61.206944; -149.922222
7161:71.256667; -156.525556
7093:59.045278; -158.451944
7025:64.808056; -147.492778
6957:61.166111; -149.826111
6564:KNZR 1560 - 25 / 10 kW
6558:35.308333; -119.046111
6187:38.848333; -121.482778
5518:XEWK 1190 - 50 / 10 kW
5512:20.736389; -103.347778
5439:45.422222; -122.565833
5060:25.764444; -100.253056
4760:49.157601; -123.067024
4385:32.402278; -117.086722
4015:33.859722; -118.349722
3340:XEOY 1000 - 50 / 10 kW
3188:47.463611; -122.440833
2810:19.36505°N 98.957703°W
2359:39.506111; -104.765833
1978:37.526389; -122.100556
1901:31.695556; -106.383611
1438:19.36505°N 98.957703°W
1143:47.398611; -122.433333
843:37.547222; -122.233333
535:33.879722; -118.013056
134:secondary service area
10907:Polarization-division
10639:Narinder Singh Kapany
10604:Erna Schneider Hoover
10524:Jagadish Chandra Bose
10504:Alexander Graham Bell
10235:online video platform
8932:GPX (all coordinates)
7507:KNOM 780 - 25 / 14 kW
6889:60.78175; -161.885639
6781:43.871944; -78.764722
6631:40.716667; -73.917778
6408:25.003917; -77.350333
6255:39.065278°N 84.6075°W
6112:42.769444; -78.842778
6039:35.333333; -97.504444
5964:36.271944; -86.757778
5889:39.041944; -77.046389
5816:45.025556; -93.051667
5741:19.308611; -99.058889
5666:39.979444; -74.986944
5589:29.502111; -98.128806
5285:40.101944; -80.867222
5207:36.146944°N 95.8075°W
4987:37.403611; -77.316389
4687:38.722778; -90.055278
4610:35.132222; -80.889722
4535:41.119722; -96.001667
4462:41.280556; -81.622778
4306:39.375833°N 76.7725°W
4158:41.7775°N 72.805278°W
4088:32.890281; -96.645561
3938:19.363972; -99.027194
3865:40.103333; -75.248889
3783:25.698056°N 100.175°W
3713:41.652778; -93.350278
3261:41.818056; -87.988333
3038:49.836111; -97.512778
2963:19.360217; -98.992194
2665:41.555833; -87.848333
2588:40.859806; -73.785444
2511:29.837222; -90.131944
2282:38.261111; -85.428611
2205:45.178889; -93.349722
2128:32.610556; -97.167778
2051:42.792336; -74.011937
1826:41.990556; -88.027778
1749:40.880556; -74.069444
1595:33.843889; -84.253333
1449:XEX 730 - 60 / 100 kW
1295:42.011667; -88.035278
766:41.934167; -88.073333
689:40.859722; -73.785278
612:35.998194; -86.790833
455:47.568889°N 52.8125°W
385:22.157944; -100.92625
39:clear-channel station
10749:Vladimir K. Zworykin
10709:Almon Brown Strowger
10679:Charles Grafton Page
10334:Prepaid mobile phone
10262:Electrical telegraph
8794:Rural Radio Magazine
8672:, May 1923, page 11.
8397:in Cincinnati, Ohio
8299:Piedmont, California
7967:740 kHz was used by
7836:61.12°N 149.895278°W
7637:64.4875; -165.314722
6701:29.35°N 101.033333°W
5357:43.081944°N 77.725°W
4830:32.705°N 93.881944°W
3554:40.55948°N 79.9526°W
3404:50.9380°N 113.9616°W
3044:CBW 990 - 50 / 46 kW
2815:19.36505; -98.957703
2735:53.2008°N 105.7538°W
1667:42.168056°N 83.215°W
1513:43.575°N 79.817222°W
1443:19.36505; -98.957703
1063:39.353056°N 84.325°W
986:32.297778°N 117.03°W
307:51.68°N 105.446667°W
138:primary service area
41:is a North American
10699:Johann Philipp Reis
10458:Wireless revolution
10420:The Telephone Cases
10277:Hydraulic telegraph
8825:"WHAS Superpower".
8592:IFT Coverage Viewer
8498:Lexington, Nebraska
8385:, which classified
8360:Commerce Department
8142:Grand Falls-Windsor
7899: /
7831: /
7763: /
7695: /
7627: /
7559: /
7491: /
7423: /
7355: /
7287: /
7219: /
7151: /
7083: /
7015: /
6947: /
6879: /
6806:
6771: /
6696: /
6621: /
6548: /
6478:42.2156°N 82.9208°W
6473: /
6398: /
6330:42.18°N 92.310556°W
6325: /
6260:39.065278; -84.6075
6250: /
6177: /
6102: /
6029: /
5954: /
5879: /
5806: /
5731: /
5656: /
5579: /
5502: /
5429: /
5352: /
5275: /
5212:36.146944; -95.8075
5202: /
5127: /
5050: /
4977: /
4905:40.810833°N 74.04°W
4900: /
4825: /
4750: /
4677: /
4600: /
4525: /
4452: /
4375: /
4311:39.375833; -76.7725
4301: /
4228: /
4163:41.7775; -72.805278
4153: /
4078: /
4005: /
3928: /
3855: /
3788:25.698056; -100.175
3778: /
3703: /
3631:42.2788°N 70.8761°W
3626: /
3549: /
3477:43.5110°N 79.6300°W
3472: /
3399: /
3329:19.3883°N 99.1247°W
3324: /
3251: /
3178: /
3106:48.9328°N 57.9061°W
3101: /
3028: /
2953: /
2885:45.3928°N 73.6981°W
2880: /
2805: /
2730: /
2655: /
2578: /
2501: /
2424: /
2349: /
2272: /
2195: /
2118: /
2041: /
1968: /
1891: /
1816: /
1739: /
1662: /
1585: /
1508: /
1433: /
1365:45.5139°N 73.9733°W
1360: /
1285: /
1208: /
1133: /
1058: /
981: /
913:45.2953°N 73.7217°W
908: /
833: /
756: /
679: /
602: /
525: /
460:47.568889; -52.8125
450: /
375: /
302: /
219:
119:directional antenna
68:of at least 10,000
10897:Frequency-division
10874:Telephone exchange
10744:Charles Wheatstone
10674:Jun-ichi Nishizawa
10649:Innocenzo Manzetti
10584:Reginald Fessenden
10319:Optical telegraphy
10152:Telecommunications
8506:Kalispell, Montana
8462:Wheeler resolution
8192:Migrated to FM as
8068:Chicoutimi, Quebec
7841:61.12; -149.895278
6801:
6712:XERF 1570 - 100 kW
6706:29.35; -101.033333
6414:ZNS-1 1540 - 50 kW
5362:43.081944; -77.725
5132:40.78°N 112.0975°W
4835:32.705; -93.881944
4391:XEPRS 1090 - 50 kW
3559:40.55948; -79.9526
3409:50.9380; -113.9616
2740:53.2008; -105.7538
2429:43.575°N 79.8175°W
1672:42.168056; -83.215
1518:43.575; -79.817222
1068:39.353056; -84.325
991:32.297778; -117.03
312:51.68; -105.446667
217:
11210:
11209:
10948:Store and forward
10943:Data transmission
10857:Network switching
10808:Transmission line
10654:Guglielmo Marconi
10619:Internet pioneers
10484:Mohamed M. Atalla
10453:Whistled language
10118:
10117:
8410:Burton K. Wheeler
8368:Radio Act of 1912
8341:
8340:
8122:State / province
7927:
7926:
7847:KOAN 1080 - 10 kW
7779:KVNT 1020 - 10 kW
7439:KCHU 770 - 9.7 kW
6799:
6798:
6787:CKDO 1580 - 10 kW
6637:WFME 1560 - 50 kW
6489:CBEF 1550 - 10 kW
6483:42.2156; -82.9208
6341:KXEL 1540 - 50 kW
6335:42.18; -92.310556
6266:WCKY 1530 - 50 kW
6193:KFBK 1530 - 50 kW
6118:WWKB 1520 - 50 kW
6045:KOKC 1520 - 50 kW
5970:WLAC 1510 - 50 kW
5895:WFED 1500 - 50 kW
5822:KSTP 1500 - 50 kW
5747:XEB 1220 - 100 kW
5672:WPHT 1210 - 50 kW
5595:WOAI 1200 - 50 kW
5368:WHAM 1180 - 50 kW
5291:WWVA 1170 - 50 kW
5218:KOTV 1170 - 50 kW
5066:XEMR 1140 - 50 kW
4993:WRVA 1140 - 50 kW
4916:WBBR 1130 - 50 kW
4910:40.810833; -74.04
4841:KWKH 1130 - 50 kW
4766:CKWX 1130 - 50 kW
4693:KMOX 1120 - 50 kW
4541:KFAB 1110 - 50 kW
4468:WTAM 1100 - 50 kW
4317:WBAL 1090 - 50 kW
4244:KAAY 1090 - 50 kW
4169:WTIC 1080 - 50 kW
4094:KRLD 1080 - 50 kW
3794:XEG 1050 - 150 kW
3636:42.2788; -70.8761
3565:KDKA 1020 - 50 kW
3488:CFRB 1010 - 50 kW
3482:43.5110; -79.6300
3334:19.3883; -99.1247
3267:WMVP 1000 - 50 kW
3194:KNWN 1000 - 50 kW
3111:48.9328; -57.9061
2890:45.3928; -73.6981
1907:XEROK 800 - 50 kW
1370:45.5139; -73.9733
1213:40.7975°N 74.09°W
918:45.2953; -73.7217
391:XEWA 540 - 150 kW
240:State / province
175:Kenmore, New York
16:(Redirected from
11240:
11200:
11199:
11190:
11189:
11180:
11179:
11170:
11169:
11168:
11041:Notable networks
11031:Wireless network
10971:Cellular network
10963:Types of network
10938:Computer network
10825:Network topology
10739:Thomas A. Watson
10594:Oliver Heaviside
10579:Philo Farnsworth
10554:Daniel Davis Jr.
10529:Charles Bourseul
10489:John Logie Baird
10198:Data compression
10193:Computer network
10145:
10138:
10131:
10122:
10121:
8989:
8982:
8975:
8966:
8965:
8898:
8892:
8886:
8885:
8871:
8865:
8864:
8846:
8840:
8839:
8822:
8816:
8815:
8803:
8797:
8791:
8785:
8775:
8769:
8759:
8753:
8743:
8737:
8727:
8721:
8711:
8705:
8695:
8689:
8679:
8673:
8663:
8657:
8647:
8641:
8631:
8625:
8622:
8616:
8613:
8607:
8604:
8595:
8581:
8575:
8574:
8572:
8570:
8555:
8406:Washington, D.C.
8383:General Order 40
8379:General Order 32
8330:
8329:
8290:
8289:
8257:
8256:
8225:
8224:
8189:
8188:
8157:
8156:
8100:
8099:
8089:
8080:Cobourg, Ontario
8060:
8054:
8040:
8034:
8028:
8022:
8007:
8001:
7982:
7976:
7965:
7959:
7940:
7923:
7922:
7920:
7919:
7918:
7916:
7911:
7910:
7905:
7900:
7897:
7896:
7895:
7892:
7879:
7878:
7855:
7854:
7852:
7851:
7850:
7848:
7843:
7842:
7837:
7832:
7829:
7828:
7827:
7824:
7811:
7810:
7787:
7786:
7784:
7783:
7782:
7780:
7775:
7774:
7769:
7764:
7761:
7760:
7759:
7756:
7743:
7742:
7719:
7718:
7716:
7715:
7714:
7712:
7711:KBBI 890 - 10 kW
7707:
7706:
7701:
7696:
7693:
7692:
7691:
7688:
7675:
7674:
7651:
7650:
7648:
7647:
7646:
7644:
7643:KICY 850 - 50 kW
7639:
7638:
7633:
7628:
7625:
7624:
7623:
7620:
7607:
7606:
7583:
7582:
7580:
7579:
7578:
7576:
7575:KCBF 820 - 10 kW
7571:
7570:
7565:
7560:
7557:
7556:
7555:
7552:
7539:
7538:
7515:
7514:
7512:
7511:
7510:
7508:
7503:
7502:
7497:
7492:
7489:
7488:
7487:
7484:
7471:
7470:
7447:
7446:
7444:
7443:
7442:
7440:
7435:
7434:
7429:
7424:
7421:
7420:
7419:
7416:
7403:
7402:
7379:
7378:
7376:
7375:
7374:
7372:
7371:KFQD 750 - 10 kW
7367:
7366:
7361:
7356:
7353:
7352:
7351:
7348:
7335:
7334:
7311:
7310:
7308:
7307:
7306:
7304:
7303:KOTZ 720 - 10 kW
7299:
7298:
7293:
7288:
7285:
7284:
7283:
7280:
7267:
7266:
7243:
7242:
7240:
7239:
7238:
7236:
7235:KBYR 700 - 10 kW
7231:
7230:
7225:
7220:
7217:
7216:
7215:
7212:
7199:
7198:
7175:
7174:
7172:
7171:
7170:
7168:
7167:KBRW 680 - 10 kW
7163:
7162:
7157:
7152:
7149:
7148:
7147:
7144:
7131:
7130:
7107:
7106:
7104:
7103:
7102:
7100:
7099:KDLG 670 - 10 kW
7095:
7094:
7089:
7084:
7081:
7080:
7079:
7076:
7063:
7062:
7039:
7038:
7036:
7035:
7034:
7032:
7031:KFAR 660 - 10 kW
7027:
7026:
7021:
7016:
7013:
7012:
7011:
7008:
6995:
6994:
6971:
6970:
6968:
6967:
6966:
6964:
6963:KENI 650 - 50 kW
6959:
6958:
6953:
6948:
6945:
6944:
6943:
6940:
6927:
6926:
6903:
6902:
6900:
6899:
6898:
6896:
6895:KYUK 640 - 10 kW
6891:
6890:
6885:
6880:
6877:
6876:
6875:
6872:
6859:
6858:
6807:
6800:
6795:
6794:
6792:
6791:
6790:
6788:
6783:
6782:
6777:
6772:
6769:
6768:
6767:
6764:
6751:
6750:
6720:
6719:
6717:
6716:
6715:
6713:
6708:
6707:
6702:
6697:
6694:
6693:
6692:
6689:
6676:
6675:
6645:
6644:
6642:
6641:
6640:
6638:
6633:
6632:
6627:
6622:
6619:
6618:
6617:
6614:
6601:
6600:
6572:
6571:
6569:
6568:
6567:
6565:
6560:
6559:
6554:
6549:
6546:
6545:
6544:
6541:
6528:
6527:
6497:
6496:
6494:
6493:
6492:
6490:
6485:
6484:
6479:
6474:
6471:
6470:
6469:
6466:
6453:
6452:
6422:
6421:
6419:
6418:
6417:
6415:
6410:
6409:
6404:
6399:
6396:
6395:
6394:
6391:
6378:
6377:
6349:
6348:
6346:
6345:
6344:
6342:
6337:
6336:
6331:
6326:
6323:
6322:
6321:
6318:
6305:
6304:
6274:
6273:
6271:
6270:
6269:
6267:
6262:
6261:
6256:
6251:
6248:
6247:
6246:
6243:
6230:
6229:
6201:
6200:
6198:
6197:
6196:
6194:
6189:
6188:
6183:
6178:
6175:
6174:
6173:
6170:
6157:
6156:
6126:
6125:
6123:
6122:
6121:
6119:
6114:
6113:
6108:
6103:
6100:
6099:
6098:
6095:
6082:
6081:
6053:
6052:
6050:
6049:
6048:
6046:
6041:
6040:
6035:
6030:
6027:
6026:
6025:
6022:
6009:
6008:
5978:
5977:
5975:
5974:
5973:
5971:
5966:
5965:
5960:
5955:
5952:
5951:
5950:
5947:
5934:
5933:
5903:
5902:
5900:
5899:
5898:
5896:
5891:
5890:
5885:
5880:
5877:
5876:
5875:
5872:
5859:
5858:
5849:Washington, D.C.
5844:Washington, D.C.
5830:
5829:
5827:
5826:
5825:
5823:
5818:
5817:
5812:
5807:
5804:
5803:
5802:
5799:
5786:
5785:
5755:
5754:
5752:
5751:
5750:
5748:
5743:
5742:
5737:
5732:
5729:
5728:
5727:
5724:
5711:
5710:
5680:
5679:
5677:
5676:
5675:
5673:
5668:
5667:
5662:
5657:
5654:
5653:
5652:
5649:
5636:
5635:
5603:
5602:
5600:
5599:
5598:
5596:
5591:
5590:
5585:
5580:
5577:
5576:
5575:
5572:
5559:
5558:
5526:
5525:
5523:
5522:
5521:
5519:
5514:
5513:
5508:
5503:
5500:
5499:
5498:
5495:
5482:
5481:
5453:
5452:
5450:
5449:
5448:
5446:
5445:KEX 1190 - 50 kW
5441:
5440:
5435:
5430:
5427:
5426:
5425:
5422:
5409:
5408:
5376:
5375:
5373:
5372:
5371:
5369:
5364:
5363:
5358:
5353:
5350:
5349:
5348:
5345:
5332:
5331:
5299:
5298:
5296:
5295:
5294:
5292:
5287:
5286:
5281:
5276:
5273:
5272:
5271:
5268:
5255:
5254:
5226:
5225:
5223:
5222:
5221:
5219:
5214:
5213:
5208:
5203:
5200:
5199:
5198:
5195:
5182:
5181:
5151:
5150:
5148:
5147:
5146:
5144:
5143:KSL 1160 - 50 kW
5139:
5138:
5137:40.78; -112.0975
5133:
5128:
5125:
5124:
5123:
5120:
5107:
5106:
5074:
5073:
5071:
5070:
5069:
5067:
5062:
5061:
5056:
5051:
5048:
5047:
5046:
5043:
5030:
5029:
5001:
5000:
4998:
4997:
4996:
4994:
4989:
4988:
4983:
4978:
4975:
4974:
4973:
4970:
4957:
4956:
4924:
4923:
4921:
4920:
4919:
4917:
4912:
4911:
4906:
4901:
4898:
4897:
4896:
4893:
4880:
4879:
4849:
4848:
4846:
4845:
4844:
4842:
4837:
4836:
4831:
4826:
4823:
4822:
4821:
4818:
4805:
4804:
4774:
4773:
4771:
4770:
4769:
4767:
4762:
4761:
4756:
4751:
4748:
4747:
4746:
4743:
4730:
4729:
4720:British Columbia
4701:
4700:
4698:
4697:
4696:
4694:
4689:
4688:
4683:
4678:
4675:
4674:
4673:
4670:
4657:
4656:
4624:
4623:
4621:
4620:
4619:
4617:
4616:WBT 1110 - 50 kW
4612:
4611:
4606:
4601:
4598:
4597:
4596:
4593:
4580:
4579:
4549:
4548:
4546:
4545:
4544:
4542:
4537:
4536:
4531:
4526:
4523:
4522:
4521:
4518:
4505:
4504:
4476:
4475:
4473:
4472:
4471:
4469:
4464:
4463:
4458:
4453:
4450:
4449:
4448:
4445:
4432:
4431:
4399:
4398:
4396:
4395:
4394:
4392:
4387:
4386:
4381:
4376:
4373:
4372:
4371:
4368:
4355:
4354:
4338:Rancho del Mar,
4325:
4324:
4322:
4321:
4320:
4318:
4313:
4312:
4307:
4302:
4299:
4298:
4297:
4294:
4281:
4280:
4252:
4251:
4249:
4248:
4247:
4245:
4240:
4239:
4234:
4229:
4226:
4225:
4224:
4221:
4208:
4207:
4177:
4176:
4174:
4173:
4172:
4170:
4165:
4164:
4159:
4154:
4151:
4150:
4149:
4146:
4133:
4132:
4102:
4101:
4099:
4098:
4097:
4095:
4090:
4089:
4084:
4079:
4076:
4075:
4074:
4071:
4058:
4057:
4029:
4028:
4026:
4025:
4024:
4022:
4021:KNX 1070 - 50 kW
4017:
4016:
4011:
4006:
4003:
4002:
4001:
3998:
3985:
3984:
3952:
3951:
3949:
3948:
3947:
3945:
3940:
3939:
3934:
3929:
3926:
3925:
3924:
3921:
3908:
3907:
3879:
3878:
3876:
3875:
3874:
3872:
3871:KYW 1060 - 50 kW
3867:
3866:
3861:
3856:
3853:
3852:
3851:
3848:
3835:
3834:
3802:
3801:
3799:
3798:
3797:
3795:
3790:
3789:
3784:
3779:
3776:
3775:
3774:
3771:
3758:
3757:
3727:
3726:
3724:
3723:
3722:
3720:
3719:WHO 1040 - 50 kW
3715:
3714:
3709:
3704:
3701:
3700:
3699:
3696:
3683:
3682:
3650:
3649:
3647:
3646:
3645:
3643:
3642:WBZ 1030 - 50 kW
3638:
3637:
3632:
3627:
3624:
3623:
3622:
3619:
3606:
3605:
3573:
3572:
3570:
3569:
3568:
3566:
3561:
3560:
3555:
3550:
3547:
3546:
3545:
3542:
3529:
3528:
3496:
3495:
3493:
3492:
3491:
3489:
3484:
3483:
3478:
3473:
3470:
3469:
3468:
3465:
3452:
3451:
3423:
3422:
3420:
3419:
3418:
3416:
3415:CBR 1010 - 50 kW
3411:
3410:
3405:
3400:
3397:
3396:
3395:
3392:
3379:
3378:
3348:
3347:
3345:
3344:
3343:
3341:
3336:
3335:
3330:
3325:
3322:
3321:
3320:
3317:
3304:
3303:
3275:
3274:
3272:
3271:
3270:
3268:
3263:
3262:
3257:
3252:
3249:
3248:
3247:
3244:
3231:
3230:
3202:
3201:
3199:
3198:
3197:
3195:
3190:
3189:
3184:
3179:
3176:
3175:
3174:
3171:
3158:
3157:
3125:
3124:
3122:
3121:
3120:
3118:
3113:
3112:
3107:
3102:
3099:
3098:
3097:
3094:
3081:
3080:
3052:
3051:
3049:
3048:
3047:
3045:
3040:
3039:
3034:
3029:
3026:
3025:
3024:
3021:
3008:
3007:
2977:
2976:
2974:
2973:
2972:
2970:
2965:
2964:
2959:
2954:
2951:
2950:
2949:
2946:
2933:
2932:
2904:
2903:
2901:
2900:
2899:
2897:
2896:CFNV 940 - 50 kW
2892:
2891:
2886:
2881:
2878:
2877:
2876:
2873:
2860:
2859:
2829:
2828:
2826:
2825:
2824:
2822:
2821:XEW 900 - 100 kW
2817:
2816:
2811:
2806:
2803:
2802:
2801:
2798:
2785:
2784:
2754:
2753:
2751:
2750:
2749:
2747:
2746:CKBI 900 - 10 kW
2742:
2741:
2736:
2731:
2728:
2727:
2726:
2723:
2710:
2709:
2679:
2678:
2676:
2675:
2674:
2672:
2667:
2666:
2661:
2656:
2653:
2652:
2651:
2648:
2635:
2634:
2602:
2601:
2599:
2598:
2597:
2595:
2594:WHSQ 880 - 50 kW
2590:
2589:
2584:
2579:
2576:
2575:
2574:
2571:
2558:
2557:
2525:
2524:
2522:
2521:
2520:
2518:
2513:
2512:
2507:
2502:
2499:
2498:
2497:
2494:
2481:
2480:
2448:
2447:
2445:
2444:
2443:
2441:
2440:CJBC 860 - 50 kW
2436:
2435:
2434:43.575; -79.8175
2430:
2425:
2422:
2421:
2420:
2417:
2404:
2403:
2373:
2372:
2370:
2369:
2368:
2366:
2361:
2360:
2355:
2350:
2347:
2346:
2345:
2342:
2329:
2328:
2296:
2295:
2293:
2292:
2291:
2289:
2288:WHAS 840 - 50 kW
2284:
2283:
2278:
2273:
2270:
2269:
2268:
2265:
2252:
2251:
2219:
2218:
2216:
2215:
2214:
2212:
2211:WCCO 830 - 50 kW
2207:
2206:
2201:
2196:
2193:
2192:
2191:
2188:
2175:
2174:
2142:
2141:
2139:
2138:
2137:
2135:
2134:WBAP 820 - 50 kW
2130:
2129:
2124:
2119:
2116:
2115:
2114:
2111:
2098:
2097:
2065:
2064:
2062:
2061:
2060:
2058:
2053:
2052:
2047:
2042:
2039:
2038:
2037:
2034:
2021:
2020:
1992:
1991:
1989:
1988:
1987:
1985:
1980:
1979:
1974:
1969:
1966:
1965:
1964:
1961:
1948:
1947:
1915:
1914:
1912:
1911:
1910:
1908:
1903:
1902:
1897:
1892:
1889:
1888:
1887:
1884:
1871:
1870:
1840:
1839:
1837:
1836:
1835:
1833:
1832:WBBM 780 - 50 kW
1828:
1827:
1822:
1817:
1814:
1813:
1812:
1809:
1796:
1795:
1763:
1762:
1760:
1759:
1758:
1756:
1755:WABC 770 - 50 kW
1751:
1750:
1745:
1740:
1737:
1736:
1735:
1732:
1719:
1718:
1686:
1685:
1683:
1682:
1681:
1679:
1674:
1673:
1668:
1663:
1660:
1659:
1658:
1655:
1642:
1641:
1609:
1608:
1606:
1605:
1604:
1602:
1597:
1596:
1591:
1586:
1583:
1582:
1581:
1578:
1565:
1564:
1532:
1531:
1529:
1528:
1527:
1525:
1524:CFZM 740 - 50 kW
1520:
1519:
1514:
1509:
1506:
1505:
1504:
1501:
1488:
1487:
1457:
1456:
1454:
1453:
1452:
1450:
1445:
1444:
1439:
1434:
1431:
1430:
1429:
1426:
1413:
1412:
1384:
1383:
1381:
1380:
1379:
1377:
1376:CKAC 730 - 50 kW
1372:
1371:
1366:
1361:
1358:
1357:
1356:
1353:
1340:
1339:
1309:
1308:
1306:
1305:
1304:
1302:
1297:
1296:
1291:
1286:
1283:
1282:
1281:
1278:
1265:
1264:
1232:
1231:
1229:
1228:
1227:
1225:
1220:
1219:
1214:
1209:
1206:
1205:
1204:
1201:
1188:
1187:
1157:
1156:
1154:
1153:
1152:
1150:
1149:KIRO 710 - 50 kW
1145:
1144:
1139:
1134:
1131:
1130:
1129:
1126:
1113:
1112:
1082:
1081:
1079:
1078:
1077:
1075:
1070:
1069:
1064:
1059:
1056:
1055:
1054:
1051:
1038:
1037:
1005:
1004:
1002:
1001:
1000:
998:
993:
992:
987:
982:
979:
978:
977:
974:
961:
960:
932:
931:
929:
928:
927:
925:
924:CKGM 690 - 50 kW
920:
919:
914:
909:
906:
905:
904:
901:
888:
887:
857:
856:
854:
853:
852:
850:
849:KNBR 680 - 50 kW
845:
844:
839:
834:
831:
830:
829:
826:
813:
812:
780:
779:
777:
776:
775:
773:
772:WSCR 670 - 50 kW
768:
767:
762:
757:
754:
753:
752:
749:
736:
735:
703:
702:
700:
699:
698:
696:
695:WFAN 660 - 50 kW
691:
690:
685:
680:
677:
676:
675:
672:
659:
658:
626:
625:
623:
622:
621:
619:
614:
613:
608:
603:
600:
599:
598:
595:
582:
581:
549:
548:
546:
545:
544:
542:
537:
536:
531:
526:
523:
522:
521:
518:
505:
504:
474:
473:
471:
470:
469:
467:
462:
461:
456:
451:
448:
447:
446:
443:
430:
429:
399:
398:
396:
395:
394:
392:
387:
386:
381:
376:
373:
372:
371:
368:
355:
354:
326:
325:
323:
322:
321:
319:
314:
313:
308:
303:
300:
299:
298:
295:
282:
281:
220:
216:
205:General Order 40
84:Cuban Revolution
21:
11248:
11247:
11243:
11242:
11241:
11239:
11238:
11237:
11213:
11212:
11211:
11206:
11166:
11164:
11156:
11098:
11035:
10957:
10921:
10878:
10827:
10819:
10760:
10753:
10659:Robert Metcalfe
10514:Tim Berners-Lee
10462:
10282:Information Age
10154:
10149:
10119:
10114:
10098:
9579:
9561:
9483:
9105:
9022:
8998:
8993:
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8907:
8902:
8901:
8893:
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8873:
8872:
8868:
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8824:
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8819:
8805:
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8800:
8792:
8788:
8776:
8772:
8760:
8756:
8744:
8740:
8728:
8724:
8712:
8708:
8702:Washington Star
8696:
8692:
8680:
8676:
8664:
8660:
8648:
8644:
8632:
8628:
8623:
8619:
8615:Nighttime site.
8614:
8610:
8605:
8598:
8582:
8578:
8568:
8566:
8556:
8552:
8547:
8525:
8502:Casper, Wyoming
8391:Davis Amendment
8352:
8346:
8324:
8284:
8251:
8219:
8183:
8151:
8118:City of license
8104:
8098:
8093:
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8061:
8057:
8041:
8037:
8029:
8025:
8008:
8004:
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7908:
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7844:
7840:
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7825:
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7805:
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7689:
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7329:
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7300:
7296:
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6888:
6886:
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6881:
6878:
6873:
6870:
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6853:
6828:
6823:City of license
6817:
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6758:
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6411:
6407:
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6400:
6397:
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5209:
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5176:
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5134:
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5024:
4992:
4990:
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4459:
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4345:Baja California
4316:
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4310:
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4300:
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4288:
4287:
4275:
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4235:
4233:34.6°N 92.225°W
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3327:
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3318:
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3225:
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3187:
3185:
3181:
3180:
3177:
3172:
3169:
3167:
3165:
3164:
3152:
3117:CBY 990 - 10 kW
3116:
3114:
3110:
3108:
3104:
3103:
3100:
3095:
3092:
3090:
3088:
3087:
3075:
3043:
3041:
3037:
3035:
3031:
3030:
3027:
3022:
3019:
3017:
3015:
3014:
3002:
2969:XEQ 940 - 30 kW
2968:
2966:
2962:
2960:
2956:
2955:
2952:
2947:
2944:
2942:
2940:
2939:
2927:
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2739:
2737:
2733:
2732:
2729:
2724:
2721:
2719:
2717:
2716:
2704:
2671:WLS 890 - 50 kW
2670:
2668:
2664:
2662:
2658:
2657:
2654:
2649:
2646:
2644:
2642:
2641:
2629:
2593:
2591:
2587:
2585:
2581:
2580:
2577:
2572:
2569:
2567:
2565:
2564:
2552:
2517:WWL 870 - 50 kW
2516:
2514:
2510:
2508:
2504:
2503:
2500:
2495:
2492:
2490:
2488:
2487:
2475:
2439:
2437:
2433:
2431:
2427:
2426:
2423:
2418:
2415:
2413:
2411:
2410:
2398:
2365:KOA 850 - 50 kW
2364:
2362:
2358:
2356:
2352:
2351:
2348:
2343:
2340:
2338:
2336:
2335:
2323:
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2202:
2198:
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2194:
2189:
2186:
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2182:
2181:
2169:
2133:
2131:
2127:
2125:
2121:
2120:
2117:
2112:
2109:
2107:
2105:
2104:
2092:
2057:WGY 810 - 50 kW
2056:
2054:
2050:
2048:
2044:
2043:
2040:
2035:
2032:
2030:
2028:
2027:
2015:
1984:KGO 810 - 50 kW
1983:
1981:
1977:
1975:
1971:
1970:
1967:
1962:
1959:
1957:
1955:
1954:
1942:
1906:
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1738:
1733:
1730:
1728:
1726:
1725:
1713:
1678:WJR 760 - 50 kW
1677:
1675:
1671:
1669:
1665:
1664:
1661:
1656:
1653:
1651:
1649:
1648:
1636:
1601:WSB 750 - 50 kW
1600:
1598:
1594:
1592:
1588:
1587:
1584:
1579:
1576:
1574:
1572:
1571:
1559:
1523:
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1517:
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1427:
1424:
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1419:
1407:
1375:
1373:
1369:
1367:
1363:
1362:
1359:
1354:
1351:
1349:
1347:
1346:
1334:
1301:WGN 720 - 50 kW
1300:
1298:
1294:
1292:
1288:
1287:
1284:
1279:
1276:
1274:
1272:
1271:
1259:
1224:WOR 710 - 50 kW
1223:
1221:
1218:40.7975; -74.09
1217:
1215:
1211:
1210:
1207:
1202:
1199:
1197:
1195:
1194:
1182:
1148:
1146:
1142:
1140:
1136:
1135:
1132:
1127:
1124:
1122:
1120:
1119:
1107:
1074:WLW 700 - 50 kW
1073:
1071:
1067:
1065:
1061:
1060:
1057:
1052:
1049:
1047:
1045:
1044:
1032:
996:
994:
990:
988:
984:
983:
980:
975:
972:
970:
968:
967:
955:
951:Baja California
923:
921:
917:
915:
911:
910:
907:
902:
899:
897:
895:
894:
882:
848:
846:
842:
840:
836:
835:
832:
827:
824:
822:
820:
819:
807:
771:
769:
765:
763:
759:
758:
755:
750:
747:
745:
743:
742:
730:
694:
692:
688:
686:
682:
681:
678:
673:
670:
668:
666:
665:
653:
618:WSM 650 - 50 kW
617:
615:
611:
609:
605:
604:
601:
596:
593:
591:
589:
588:
576:
541:KFI 640 - 50 kW
540:
538:
534:
532:
528:
527:
524:
519:
516:
514:
512:
511:
499:
466:CBN 640 - 10 kW
465:
463:
459:
457:
453:
452:
449:
444:
441:
439:
437:
436:
424:
390:
388:
384:
382:
378:
377:
374:
369:
366:
364:
362:
361:
349:
345:San Luis Potosí
340:San Luis Potosí
318:CBK 540 - 50 kW
317:
315:
311:
309:
305:
304:
301:
296:
293:
291:
289:
288:
276:
244:
236:City of license
230:
198:
167:broadcast class
154:
92:
35:
28:
23:
22:
15:
12:
11:
5:
11246:
11236:
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11194:
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10923:
10922:
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10909:
10904:
10899:
10894:
10892:Space-division
10888:
10886:
10880:
10879:
10877:
10876:
10871:
10870:
10869:
10864:
10854:
10853:
10852:
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10783:
10782:
10781:
10771:
10765:
10763:
10755:
10754:
10752:
10751:
10746:
10741:
10736:
10731:
10729:Camille Tissot
10726:
10721:
10716:
10711:
10706:
10704:Claude Shannon
10701:
10696:
10694:Tivadar Puskás
10691:
10686:
10681:
10676:
10671:
10666:
10664:Antonio Meucci
10661:
10656:
10651:
10646:
10641:
10636:
10634:Charles K. Kao
10631:
10626:
10621:
10616:
10611:
10609:Harold Hopkins
10606:
10601:
10596:
10591:
10586:
10581:
10576:
10571:
10566:
10561:
10556:
10551:
10546:
10541:
10536:
10531:
10526:
10521:
10516:
10511:
10509:Emile Berliner
10506:
10501:
10496:
10491:
10486:
10481:
10476:
10470:
10468:
10464:
10463:
10461:
10460:
10455:
10450:
10448:Videotelephony
10445:
10440:
10439:
10438:
10433:
10423:
10416:
10411:
10405:
10400:
10395:
10390:
10385:
10384:
10383:
10378:
10373:
10363:
10362:
10361:
10351:
10346:
10344:Radiotelephone
10341:
10336:
10331:
10326:
10321:
10316:
10311:
10310:
10309:
10299:
10294:
10289:
10284:
10279:
10274:
10269:
10264:
10259:
10254:
10249:
10248:
10247:
10242:
10237:
10232:
10230:Internet video
10222:
10221:
10220:
10215:
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10205:
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8957:
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8923:
8910:
8909:
8908:
8906:
8905:External links
8903:
8900:
8899:
8887:
8866:
8841:
8817:
8798:
8786:
8770:
8768:, pages 10-17.
8754:
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8690:
8674:
8658:
8642:
8626:
8617:
8608:
8596:
8576:
8549:
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8543:
8542:
8541:
8536:
8531:
8524:
8521:
8437:Butte, Montana
8345:
8342:
8339:
8338:
8331:
8322:
8317:
8312:
8307:
8303:
8302:
8291:
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8207:
8202:
8198:
8197:
8190:
8181:
8176:
8174:Ixhuatlancillo
8171:
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8158:
8149:
8144:
8139:
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6382:
6379:
6370:
6368:New Providence
6365:
6360:
6355:
6351:
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6276:
6275:
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5703:
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5618:
5611:
5605:
5604:
5563:
5560:
5551:
5546:
5541:
5534:
5528:
5527:
5486:
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5474:
5469:
5464:
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5413:
5410:
5401:
5396:
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5384:
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5336:
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5319:
5314:
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5300:
5259:
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5232:
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5186:
5183:
5174:
5169:
5164:
5159:
5153:
5152:
5111:
5108:
5099:
5094:
5092:Salt Lake City
5089:
5082:
5076:
5075:
5034:
5031:
5022:
5017:
5012:
5007:
5003:
5002:
4961:
4958:
4949:
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4939:
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4926:
4925:
4884:
4881:
4872:
4867:
4862:
4855:
4851:
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4809:
4806:
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4776:
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4734:
4731:
4722:
4717:
4712:
4707:
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4702:
4661:
4658:
4649:
4644:
4639:
4632:
4626:
4625:
4584:
4581:
4572:
4570:North Carolina
4567:
4562:
4555:
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4550:
4509:
4506:
4497:
4492:
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4407:
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4212:
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4062:
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3516:
3511:
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3498:
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3383:
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3012:
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2767:
2762:
2756:
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2610:
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2559:
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2533:
2527:
2526:
2485:
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2449:
2408:
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2396:
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2374:
2333:
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2316:
2311:
2304:
2298:
2297:
2256:
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2239:
2234:
2227:
2221:
2220:
2179:
2176:
2167:
2162:
2157:
2150:
2144:
2143:
2102:
2099:
2090:
2085:
2080:
2073:
2067:
2066:
2025:
2022:
2013:
2008:
2003:
1998:
1994:
1993:
1952:
1949:
1940:
1935:
1930:
1923:
1917:
1916:
1875:
1872:
1863:
1858:
1853:
1848:
1842:
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1800:
1797:
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1778:
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1723:
1720:
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1624:
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1569:
1566:
1557:
1552:
1547:
1540:
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1533:
1492:
1489:
1480:
1475:
1470:
1465:
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1417:
1414:
1405:
1400:
1395:
1390:
1386:
1385:
1344:
1341:
1332:
1327:
1322:
1317:
1311:
1310:
1269:
1266:
1257:
1252:
1247:
1240:
1234:
1233:
1192:
1189:
1180:
1175:
1170:
1163:
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1117:
1114:
1105:
1100:
1095:
1090:
1084:
1083:
1042:
1039:
1030:
1025:
1020:
1013:
1007:
1006:
965:
962:
953:
948:
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938:
934:
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880:
875:
870:
865:
859:
858:
817:
814:
805:
800:
795:
788:
782:
781:
740:
737:
728:
723:
718:
711:
705:
704:
663:
660:
651:
646:
641:
634:
628:
627:
586:
583:
574:
569:
564:
557:
551:
550:
509:
506:
497:
492:
487:
480:
476:
475:
434:
431:
422:
417:
412:
407:
401:
400:
359:
356:
347:
342:
337:
332:
328:
327:
286:
283:
274:
269:
264:
259:
253:
252:
249:
246:
241:
238:
233:
226:
197:
194:
153:
150:
91:
88:
26:
9:
6:
4:
3:
2:
11245:
11234:
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11229:
11226:
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11203:
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11128:
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11119:
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11113:
11111:
11108:
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11101:
11095:
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11090:
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11077:
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11038:
11032:
11029:
11027:
11024:
11022:
11019:
11017:
11014:
11012:
11009:
11007:
11004:
11002:
10999:
10997:
10994:
10992:
10989:
10987:
10984:
10982:
10979:
10977:
10974:
10972:
10969:
10968:
10966:
10964:
10960:
10954:
10951:
10949:
10946:
10944:
10941:
10939:
10936:
10934:
10931:
10930:
10928:
10924:
10918:
10917:Code-division
10915:
10913:
10910:
10908:
10905:
10903:
10902:Time-division
10900:
10898:
10895:
10893:
10890:
10889:
10887:
10885:
10881:
10875:
10872:
10868:
10865:
10863:
10860:
10859:
10858:
10855:
10851:
10848:
10847:
10846:
10843:
10841:
10838:
10836:
10833:
10832:
10830:
10828:and switching
10826:
10822:
10814:
10811:
10810:
10809:
10806:
10802:
10799:
10798:
10797:
10794:
10792:
10789:
10787:
10784:
10780:
10779:optical fiber
10777:
10776:
10775:
10772:
10770:
10769:Coaxial cable
10767:
10766:
10764:
10762:
10756:
10750:
10747:
10745:
10742:
10740:
10737:
10735:
10732:
10730:
10727:
10725:
10722:
10720:
10717:
10715:
10712:
10710:
10707:
10705:
10702:
10700:
10697:
10695:
10692:
10690:
10687:
10685:
10684:Radia Perlman
10682:
10680:
10677:
10675:
10672:
10670:
10667:
10665:
10662:
10660:
10657:
10655:
10652:
10650:
10647:
10645:
10642:
10640:
10637:
10635:
10632:
10630:
10627:
10625:
10622:
10620:
10617:
10615:
10612:
10610:
10607:
10605:
10602:
10600:
10597:
10595:
10592:
10590:
10587:
10585:
10582:
10580:
10577:
10575:
10574:Lee de Forest
10572:
10570:
10569:Thomas Edison
10567:
10565:
10562:
10560:
10559:Donald Davies
10557:
10555:
10552:
10550:
10547:
10545:
10544:Claude Chappe
10542:
10540:
10537:
10535:
10532:
10530:
10527:
10525:
10522:
10520:
10517:
10515:
10512:
10510:
10507:
10505:
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10500:
10497:
10495:
10492:
10490:
10487:
10485:
10482:
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10477:
10475:
10472:
10471:
10469:
10465:
10459:
10456:
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10441:
10437:
10434:
10432:
10429:
10428:
10427:
10424:
10422:
10421:
10417:
10415:
10412:
10409:
10406:
10404:
10401:
10399:
10396:
10394:
10391:
10389:
10388:Smoke signals
10386:
10382:
10379:
10377:
10374:
10372:
10369:
10368:
10367:
10366:Semiconductor
10364:
10360:
10357:
10356:
10355:
10352:
10350:
10347:
10345:
10342:
10340:
10337:
10335:
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10327:
10325:
10322:
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10312:
10308:
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10288:
10285:
10283:
10280:
10278:
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10268:
10265:
10263:
10260:
10258:
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10253:
10250:
10246:
10243:
10241:
10238:
10236:
10233:
10231:
10228:
10227:
10226:
10225:Digital media
10223:
10219:
10216:
10214:
10211:
10209:
10206:
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10000:
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9977:
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9900:
9897:
9895:
9892:
9890:
9887:
9885:
9882:
9880:
9877:
9875:
9872:
9870:
9867:
9865:
9862:
9860:
9857:
9855:
9852:
9850:
9847:
9845:
9842:
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9837:
9835:
9832:
9830:
9827:
9825:
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9807:
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9797:
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9777:
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9772:
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9707:
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9672:
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9508:
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9498:
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9486:
9480:
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9457:
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9407:
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9397:
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9382:
9380:
9377:
9375:
9372:
9370:
9367:
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9357:
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9347:
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9337:
9335:
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9327:
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9322:
9320:
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9312:
9310:
9307:
9305:
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9297:
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9270:
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9137:
9135:
9132:
9130:
9127:
9125:
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9120:
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9116:
9114:
9112:
9111:United States
9108:
9102:
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9021:
9019:
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9007:
9001:
8997:
8990:
8985:
8983:
8978:
8976:
8971:
8970:
8967:
8961:
8958:
8956:(FCC Website)
8955:
8952:
8951:
8943:
8940:
8938:
8935:
8933:
8930:
8928:
8925:
8924:
8922:
8921:
8916:
8915:OpenStreetMap
8913:
8896:
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8879:
8878:
8870:
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8845:
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8514:
8509:
8507:
8503:
8499:
8495:
8491:
8487:
8483:
8478:
8474:
8470:
8467:One station,
8465:
8463:
8458:
8452:
8450:
8446:
8442:
8438:
8434:
8430:
8425:
8423:
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8371:
8369:
8364:
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8332:
8328:
8323:
8321:
8318:
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8264:
8259:
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8248:
8245:
8243:
8240:
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8235:
8232:
8231:
8227:
8223:
8218:
8216:
8215:New Brunswick
8213:
8211:
8208:
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7970:
7969:CBC Radio One
7964:
7957:
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7935:
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6648:
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6603:
6599:
6594:
6592:
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6587:
6586:New York City
6584:
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6060:
6056:
6051:
6014:
6011:
6007:
6002:
6000:
5997:
5995:
5994:Oklahoma City
5992:
5990:
5987:
5985:
5981:
5976:
5939:
5936:
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5716:
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5709:
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5524:
5487:
5484:
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5473:
5470:
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5460:
5456:
5451:
5414:
5411:
5407:
5402:
5400:
5397:
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5337:
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5330:
5325:
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5315:
5313:
5312:
5308:
5306:
5302:
5297:
5260:
5257:
5253:
5248:
5246:
5245:West Virginia
5243:
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5236:
5233:
5229:
5224:
5187:
5184:
5180:
5175:
5173:
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5112:
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5021:
5018:
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5011:
5008:
5004:
4999:
4962:
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4955:
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4943:
4940:
4938:
4937:
4933:
4931:
4927:
4922:
4885:
4882:
4878:
4873:
4871:
4868:
4866:
4865:New York City
4863:
4861:
4860:
4856:
4852:
4847:
4810:
4807:
4803:
4798:
4796:
4793:
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4777:
4772:
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4360:
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4353:
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4337:
4335:
4332:
4328:
4323:
4286:
4283:
4279:
4274:
4272:
4269:
4267:
4264:
4262:
4259:
4255:
4250:
4238:34.6; -92.225
4213:
4210:
4206:
4201:
4199:
4196:
4194:
4191:
4189:
4186:
4184:
4180:
4175:
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4126:
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4119:
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4063:
4060:
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3990:
3987:
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3823:
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3818:
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3811:
3809:
3805:
3800:
3763:
3760:
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3725:
3688:
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3666:
3664:
3663:
3659:
3657:
3653:
3648:
3611:
3608:
3604:
3599:
3597:
3596:Massachusetts
3594:
3592:
3589:
3587:
3586:
3582:
3580:
3576:
3571:
3534:
3531:
3527:
3522:
3520:
3517:
3515:
3512:
3510:
3509:
3505:
3503:
3499:
3494:
3457:
3454:
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3430:
3426:
3421:
3384:
3381:
3377:
3372:
3370:
3367:
3365:
3362:
3360:
3357:
3355:
3351:
3346:
3309:
3306:
3302:
3297:
3295:
3292:
3290:
3287:
3285:
3282:
3278:
3273:
3236:
3233:
3229:
3224:
3222:
3219:
3217:
3214:
3212:
3209:
3205:
3200:
3163:
3160:
3156:
3151:
3149:
3146:
3144:
3141:
3139:
3138:
3134:
3132:
3128:
3123:
3086:
3083:
3079:
3074:
3072:
3069:
3067:
3064:
3062:
3059:
3055:
3050:
3013:
3010:
3006:
3001:
2999:
2996:
2994:
2991:
2989:
2986:
2984:
2980:
2975:
2938:
2935:
2931:
2926:
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2921:
2919:
2916:
2914:
2911:
2907:
2902:
2865:
2862:
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2790:
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2766:
2763:
2761:
2757:
2752:
2715:
2712:
2708:
2703:
2701:
2698:
2696:
2695:Prince Albert
2693:
2691:
2688:
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2682:
2677:
2640:
2637:
2633:
2628:
2626:
2623:
2621:
2618:
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2615:
2611:
2609:
2605:
2600:
2563:
2560:
2556:
2551:
2549:
2546:
2544:
2543:New York City
2541:
2539:
2538:
2534:
2532:
2528:
2523:
2486:
2483:
2479:
2474:
2472:
2469:
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2461:
2457:
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2409:
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2397:
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2390:
2387:
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2376:
2371:
2334:
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2327:
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2320:
2317:
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2310:
2309:
2305:
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2299:
2294:
2257:
2254:
2250:
2245:
2243:
2240:
2238:
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2233:
2232:
2228:
2226:
2222:
2217:
2180:
2177:
2173:
2168:
2166:
2163:
2161:
2158:
2156:
2155:
2151:
2149:
2145:
2140:
2103:
2100:
2096:
2091:
2089:
2086:
2084:
2081:
2079:
2078:
2074:
2072:
2068:
2063:
2026:
2023:
2019:
2014:
2012:
2009:
2007:
2004:
2002:
1999:
1995:
1990:
1953:
1950:
1946:
1941:
1939:
1936:
1934:
1933:San Francisco
1931:
1929:
1928:
1924:
1922:
1918:
1913:
1876:
1873:
1869:
1864:
1862:
1859:
1857:
1856:Ciudad Juárez
1854:
1852:
1849:
1847:
1843:
1838:
1801:
1798:
1794:
1789:
1787:
1784:
1782:
1779:
1777:
1776:
1772:
1770:
1766:
1761:
1724:
1721:
1717:
1712:
1710:
1707:
1705:
1704:New York City
1702:
1700:
1699:
1695:
1693:
1689:
1684:
1647:
1644:
1640:
1635:
1633:
1630:
1628:
1625:
1623:
1622:
1618:
1616:
1612:
1607:
1570:
1567:
1563:
1558:
1556:
1553:
1551:
1548:
1546:
1545:
1541:
1539:
1535:
1530:
1493:
1490:
1486:
1481:
1479:
1476:
1474:
1471:
1469:
1466:
1464:
1460:
1455:
1418:
1415:
1411:
1406:
1404:
1401:
1399:
1396:
1394:
1391:
1387:
1382:
1345:
1342:
1338:
1333:
1331:
1328:
1326:
1323:
1321:
1318:
1316:
1312:
1307:
1270:
1267:
1263:
1258:
1256:
1253:
1251:
1248:
1246:
1245:
1241:
1239:
1235:
1230:
1193:
1190:
1186:
1181:
1179:
1176:
1174:
1173:New York City
1171:
1169:
1168:
1164:
1160:
1155:
1118:
1115:
1111:
1106:
1104:
1101:
1099:
1096:
1094:
1091:
1089:
1085:
1080:
1043:
1040:
1036:
1031:
1029:
1026:
1024:
1021:
1019:
1018:
1014:
1012:
1008:
1003:
966:
963:
959:
954:
952:
949:
947:
944:
942:
939:
935:
930:
893:
890:
886:
881:
879:
876:
874:
871:
869:
866:
864:
860:
855:
818:
815:
811:
806:
804:
801:
799:
798:San Francisco
796:
794:
793:
789:
787:
783:
778:
741:
738:
734:
729:
727:
724:
722:
719:
717:
716:
712:
710:
706:
701:
664:
661:
657:
652:
650:
647:
645:
644:New York City
642:
640:
639:
635:
633:
629:
624:
587:
584:
580:
575:
573:
570:
568:
565:
563:
562:
558:
556:
552:
547:
510:
507:
503:
498:
496:
493:
491:
488:
486:
485:
481:
477:
472:
435:
432:
428:
423:
421:
418:
416:
413:
411:
408:
406:
402:
397:
360:
357:
353:
348:
346:
343:
341:
338:
336:
333:
329:
324:
287:
284:
280:
275:
273:
270:
268:
265:
263:
260:
258:
254:
250:
247:
242:
239:
237:
234:
232:
227:
225:
222:
221:
215:
211:
208:
206:
201:
193:
191:
186:
184:
180:
176:
171:
168:
164:
159:
149:
145:
143:
139:
135:
130:
128:
122:
120:
116:
112:
111:nominal power
108:
105:
101:
97:
87:
85:
80:
76:
71:
67:
62:
60:
55:
51:
47:
46:radio station
44:
40:
33:
19:
18:Clear-channel
10884:Multiplexing
10759:Transmission
10724:Nikola Tesla
10714:Henry Sutton
10669:Samuel Morse
10599:Robert Hooke
10564:Amos Dolbear
10499:John Bardeen
10418:
10398:Telautograph
10302:Mobile phone
10257:Edholm's law
10240:social media
10173:Broadcasting
10089:1570 (Coah.)
9599:540 (S.L.P.)
9004:
8995:
8919:
8918:
8911:
8894:
8890:
8881:
8875:
8869:
8860:
8856:
8850:
8844:
8836:
8832:
8826:
8820:
8811:
8807:
8801:
8793:
8789:
8781:
8773:
8765:
8757:
8749:
8741:
8733:
8725:
8717:
8709:
8701:
8693:
8685:
8677:
8669:
8661:
8653:
8645:
8637:
8629:
8620:
8611:
8579:
8567:. Retrieved
8563:
8553:
8517:
8510:
8494:Reno, Nevada
8486:Boise, Idaho
8466:
8457:Broadcasting
8456:
8453:
8426:
8422:World War II
8399:
8372:
8365:
8357:
8353:
8147:Newfoundland
8058:
8038:
8026:
8005:
7980:
7963:
7938:
6661:Ciudad Acuña
5626:Pennsylvania
5621:Philadelphia
5613:
5536:
5386:
5309:
5084:
4934:
4857:
4634:
4557:
4409:
3962:
3825:Pennsylvania
3820:Philadelphia
3812:
3660:
3583:
3519:Pennsylvania
3506:
3135:
3066:Corner Brook
2700:Saskatchewan
2612:
2535:
2458:
2306:
2229:
2152:
2075:
1925:
1773:
1696:
1619:
1542:
1242:
1165:
1015:
790:
713:
636:
559:
482:
272:Saskatchewan
212:
209:
202:
199:
187:
172:
155:
146:
137:
133:
131:
123:
93:
63:
50:interference
38:
36:
11084:NPL network
10796:Radio waves
10734:Alfred Vail
10644:Hedy Lamarr
10629:Dawon Kahng
10589:Elisha Gray
10549:Yogen Dalal
10474:Nasir Ahmed
10408:Teleprinter
10272:Heliographs
10069:1540 (Bah.)
10024:1220 (CDMX)
10009:1190 (Jal.)
9974:1140 (N.L.)
9929:1090 (B.C.)
9894:1060 (CDMX)
9884:1050 (N.L.)
9749:800 (Chih.)
8513:transmitter
8435:of KGIR in
7907: /
7894:147°19′26″W
7839: /
7826:149°53′43″W
7771: /
7758:149°45′44″W
7733:Eagle River
7703: /
7690:151°26′38″W
7635: /
7622:165°18′53″W
7567: /
7554:147°40′06″W
7499: /
7486:165°17′58″W
7431: /
7418:146°15′39″W
7363: /
7350:150°02′03″W
7295: /
7282:162°34′05″W
7227: /
7214:149°55′20″W
7159: /
7146:156°31′32″W
7091: /
7078:158°27′07″W
7023: /
7010:147°29′34″W
6955: /
6942:149°49′34″W
6887: /
6874:161°53′08″W
6779: /
6704: /
6691:101°02′00″W
6629: /
6556: /
6543:119°02′46″W
6513:Bakersfield
6481: /
6406: /
6333: /
6258: /
6185: /
6172:121°28′58″W
6110: /
6037: /
5962: /
5887: /
5814: /
5739: /
5701:Mexico City
5696:Mexico City
5664: /
5587: /
5544:San Antonio
5510: /
5497:103°20′52″W
5467:Guadalajara
5437: /
5424:122°33′57″W
5360: /
5283: /
5210: /
5135: /
5122:112°05′51″W
5058: /
5045:100°15′11″W
4985: /
4908: /
4833: /
4758: /
4745:123°04′01″W
4685: /
4608: /
4533: /
4460: /
4383: /
4370:117°05′12″W
4309: /
4236: /
4193:Little Rock
4161: /
4123:Connecticut
4086: /
4013: /
4000:118°20′59″W
3970:Los Angeles
3936: /
3898:Mexico City
3893:Mexico City
3863: /
3786: /
3773:100°10′30″W
3711: /
3634: /
3557: /
3480: /
3407: /
3394:113°57′42″W
3332: /
3294:Mexico City
3289:Mexico City
3259: /
3186: /
3173:122°26′27″W
3109: /
3036: /
2961: /
2923:Mexico City
2918:Mexico City
2888: /
2813: /
2775:Mexico City
2770:Mexico City
2738: /
2725:105°45′14″W
2663: /
2586: /
2509: /
2466:New Orleans
2432: /
2357: /
2344:104°45′57″W
2280: /
2203: /
2160:Minneapolis
2126: /
2049: /
2006:Schenectady
1976: /
1963:122°06′02″W
1899: /
1886:106°23′01″W
1824: /
1747: /
1670: /
1593: /
1516: /
1441: /
1403:Mexico City
1398:Mexico City
1368: /
1293: /
1216: /
1141: /
1128:122°26′00″W
1066: /
989: /
976:117°01′48″W
916: /
841: /
828:122°14′00″W
764: /
687: /
610: /
533: /
520:118°00′47″W
490:Los Angeles
458: /
383: /
370:100°55′35″W
310: /
297:105°26′48″W
107:propagation
96:medium wave
90:Description
79:Mexico City
32:iHeartMedia
11217:Categories
11130:Antarctica
11089:Toasternet
11011:Television
10494:Paul Baran
10426:Television
10410:(teletype)
10403:Telegraphy
10381:transistor
10359:Phryctoria
10329:Photophone
10307:Smartphone
10297:Mass media
9824:940 (CDMX)
9819:900 (CDMX)
9704:730 (CDMX)
9659:690 (B.C.)
9018:groundwave
8545:References
8418:Cincinnati
8348:See also:
8280:Washington
8242:Fort Wayne
7913: (
7891:64°45′34″N
7869:North Pole
7845: (
7823:61°07′12″N
7777: (
7755:61°29′02″N
7709: (
7687:59°40′14″N
7641: (
7619:64°29′15″N
7573: (
7551:64°52′44″N
7505: (
7483:64°29′16″N
7437: (
7415:61°06′40″N
7369: (
7347:61°20′18″N
7301: (
7279:66°50′22″N
7233: (
7211:61°12′25″N
7165: (
7143:71°15′24″N
7097: (
7075:59°02′43″N
7053:Dillingham
7029: (
7007:64°48′29″N
6961: (
6939:61°09′58″N
6893: (
6871:60°46′54″N
6785: (
6766:78°45′53″W
6763:43°52′19″N
6710: (
6688:29°21′00″N
6635: (
6616:73°55′04″W
6613:40°43′00″N
6562: (
6540:35°18′30″N
6518:California
6487: (
6468:82°55′15″W
6465:42°12′56″N
6412: (
6393:77°21′01″W
6390:25°00′14″N
6339: (
6320:92°18′38″W
6317:42°10′48″N
6264: (
6245:84°36′27″W
6242:39°03′55″N
6215:Cincinnati
6191: (
6169:38°50′54″N
6147:California
6142:Sacramento
6116: (
6097:78°50′34″W
6094:42°46′10″N
6043: (
6024:97°30′16″W
6021:35°20′00″N
5968: (
5949:86°45′28″W
5946:36°16′19″N
5893: (
5874:77°02′47″W
5871:39°02′31″N
5820: (
5801:93°03′06″W
5798:45°01′32″N
5771:Saint Paul
5745: (
5726:99°03′32″W
5723:19°18′31″N
5670: (
5651:74°59′13″W
5648:39°58′46″N
5593: (
5574:98°07′44″W
5571:29°30′08″N
5516: (
5494:20°44′11″N
5443: (
5421:45°25′20″N
5366: (
5347:77°43′30″W
5344:43°04′55″N
5289: (
5270:80°52′02″W
5267:40°06′07″N
5216: (
5197:95°48′27″W
5194:36°08′49″N
5141: (
5119:40°46′48″N
5064: (
5042:25°45′52″N
5020:Nuevo León
4991: (
4972:77°18′59″W
4969:37°24′13″N
4914: (
4895:74°02′24″W
4892:40°48′39″N
4839: (
4820:93°52′55″W
4817:32°42′18″N
4790:Shreveport
4764: (
4742:49°09′27″N
4691: (
4672:90°03′19″W
4669:38°43′22″N
4614: (
4595:80°53′23″W
4592:35°07′56″N
4539: (
4520:96°00′06″W
4517:41°07′11″N
4466: (
4447:81°37′22″W
4444:41°16′50″N
4389: (
4367:32°24′08″N
4315: (
4296:76°46′21″W
4293:39°22′33″N
4242: (
4223:92°13′30″W
4220:34°36′00″N
4167: (
4148:72°48′19″W
4145:41°46′39″N
4092: (
4073:96°38′44″W
4070:32°53′25″N
4019: (
3997:33°51′35″N
3975:California
3942: (
3923:99°01′38″W
3920:19°21′50″N
3869: (
3850:75°14′56″W
3847:40°06′12″N
3792: (
3770:25°41′53″N
3748:Nuevo León
3717: (
3698:93°21′01″W
3695:41°39′10″N
3668:Des Moines
3640: (
3621:70°52′34″W
3618:42°16′44″N
3563: (
3544:79°57′09″W
3541:40°33′34″N
3514:Pittsburgh
3486: (
3467:79°37′48″W
3464:43°30′40″N
3413: (
3391:50°56′17″N
3338: (
3319:99°07′29″W
3316:19°23′18″N
3265: (
3246:87°59′18″W
3243:41°49′05″N
3192: (
3170:47°27′49″N
3148:Washington
3115: (
3096:57°54′22″W
3093:48°55′58″N
3042: (
3023:97°30′46″W
3020:49°50′10″N
2967: (
2948:98°59′32″W
2945:19°21′37″N
2894: (
2875:73°41′53″W
2872:45°23′34″N
2819: (
2800:98°57′28″W
2797:19°21′54″N
2744: (
2722:53°12′03″N
2669: (
2650:87°50′54″W
2647:41°33′21″N
2592: (
2573:73°47′08″W
2570:40°51′35″N
2515: (
2496:90°07′55″W
2493:29°50′14″N
2438: (
2419:79°49′03″W
2416:43°34′30″N
2363: (
2341:39°30′22″N
2286: (
2267:85°25′43″W
2264:38°15′40″N
2237:Louisville
2209: (
2190:93°20′59″W
2187:45°10′44″N
2132: (
2113:97°10′04″W
2110:32°36′38″N
2083:Fort Worth
2055: (
2036:74°00′43″W
2033:42°47′32″N
1982: (
1960:37°31′35″N
1938:California
1905: (
1883:31°41′44″N
1830: (
1811:88°01′40″W
1808:41°59′26″N
1753: (
1734:74°04′10″W
1731:40°52′50″N
1676: (
1657:83°12′54″W
1654:42°10′05″N
1599: (
1580:84°15′12″W
1577:33°50′38″N
1522: (
1503:79°49′02″W
1500:43°34′30″N
1447: (
1428:98°57′28″W
1425:19°21′54″N
1374: (
1355:73°58′24″W
1352:45°30′50″N
1299: (
1280:88°02′07″W
1277:42°00′42″N
1222: (
1203:74°05′24″W
1200:40°47′51″N
1147: (
1125:47°23′55″N
1103:Washington
1072: (
1053:84°19′30″W
1050:39°21′11″N
1023:Cincinnati
995: (
973:32°17′52″N
964:77.5 / 50
922: (
903:73°43′18″W
900:45°17′43″N
847: (
825:37°32′50″N
803:California
770: (
751:88°04′24″W
748:41°56′03″N
693: (
674:73°47′07″W
671:40°51′35″N
616: (
597:86°47′27″W
594:35°59′53″N
539: (
517:33°52′47″N
495:California
464: (
445:52°48′45″W
442:47°34′08″N
415:St. John's
389: (
367:22°09′29″N
316: (
294:51°40′48″N
142:groundwave
11114:Americas
11103:Locations
11074:Internet2
10835:Bandwidth
10539:Vint Cerf
10436:streaming
10414:Telephone
10354:Semaphore
10245:streaming
10094:1580 (ON)
10084:1560 (NY)
10079:1560 (CA)
10074:1550 (ON)
10064:1540 (IA)
10059:1530 (OH)
10054:1530 (CA)
10049:1520 (OK)
10044:1520 (NY)
10039:1510 (TN)
10034:1500 (MN)
10029:1500 (DC)
10019:1210 (PA)
10014:1200 (TX)
10004:1190 (OR)
9999:1180 (NY)
9994:1170 (WV)
9989:1170 (OK)
9984:1170 (AK)
9979:1160 (UT)
9969:1140 (VA)
9964:1130 (NY)
9959:1130 (LA)
9954:1130 (BC)
9949:1120 (MO)
9944:1110 (NE)
9939:1110 (NC)
9934:1100 (OH)
9924:1090 (MD)
9919:1090 (AR)
9914:1080 (TX)
9909:1080 (CT)
9904:1080 (AK)
9899:1070 (CA)
9889:1060 (PA)
9879:1040 (IA)
9874:1030 (MA)
9869:1020 (PA)
9864:1020 (AK)
9859:1010 (ON)
9854:1010 (AB)
9849:1000 (WA)
9844:1000 (IL)
9586:frequency
9020:coverage.
8670:Radio Age
8569:March 13,
8490:Las Vegas
8443:New York
8433:Ed Craney
8113:Call sign
8074:in 1999,
7801:Anchorage
7529:Fairbanks
7325:Anchorage
7189:Anchorage
6985:Fairbanks
6917:Anchorage
5924:Tennessee
5919:Nashville
5776:Minnesota
5317:Rochester
5015:Monterrey
4795:Louisiana
4715:Vancouver
4642:St. Louis
4565:Charlotte
4417:Cleveland
4266:Baltimore
3911:100 / 20
3743:Monterrey
2471:Louisiana
2165:Minnesota
1861:Chihuahua
1416:60 / 100
572:Tennessee
567:Nashville
152:Daytimers
115:kilowatts
86:of 1959.
11182:Category
11069:Internet
11059:CYCLADES
10976:Ethernet
10926:Concepts
10850:terminal
10801:wireless
10624:Bob Kahn
10467:Pioneers
10292:Internet
10183:Cable TV
10106:See also
9839:990 (NL)
9834:990 (MB)
9829:940 (QC)
9814:890 (IL)
9809:890 (AK)
9804:880 (NY)
9799:870 (LA)
9794:860 (ON)
9789:850 (CO)
9784:850 (AK)
9779:840 (KY)
9774:830 (MN)
9769:820 (TX)
9764:820 (AK)
9759:810 (NY)
9754:810 (CA)
9744:780 (IL)
9739:780 (AK)
9734:770 (NY)
9729:770 (AK)
9724:760 (MI)
9719:750 (GA)
9714:750 (AK)
9709:740 (ON)
9699:730 (QC)
9694:720 (IL)
9689:720 (AK)
9684:710 (NY)
9679:710 (WA)
9674:700 (OH)
9669:700 (AK)
9664:690 (QC)
9654:680 (CA)
9649:680 (AK)
9644:670 (IL)
9639:670 (AK)
9634:660 (NY)
9629:660 (AK)
9624:650 (TN)
9619:650 (AK)
9614:640 (AK)
9609:640 (CA)
9604:640 (NL)
9594:540 (SK)
8897:, p. 519
8523:See also
8445:flagship
8335:XHRUV-FM
8320:Veracruz
8310:XERUV-AM
8179:Veracruz
8125:Country
8011:CBE (AM)
7882:50 / 21
7474:25 / 14
7257:Kotzebue
6666:Coahuila
6591:New York
6531:25 / 10
6290:Waterloo
6072:New York
5999:Oklahoma
5485:50 / 10
5394:Portland
5322:New York
5240:Wheeling
5172:Oklahoma
4947:Virginia
4942:Richmond
4870:New York
4647:Missouri
4495:Nebraska
4340:Rosarito
4271:Maryland
4198:Arkansas
4118:Hartford
3307:50 / 10
3221:Illinois
3011:50 / 46
2998:Manitoba
2993:Winnipeg
2845:Montreal
2625:Illinois
2548:New York
2319:Colorado
2242:Kentucky
2011:New York
1799:35 / 42
1786:Illinois
1709:New York
1632:Michigan
1325:Montreal
1255:Illinois
1178:New York
873:Montreal
726:Illinois
649:New York
158:AM radio
144:signal.
11202:Commons
11192:Outline
11145:Oceania
11064:FidoNet
11049:ARPANET
10862:circuit
10431:digital
10160:History
9567:Bahamas
9010:skywave
8420:before
8387:AM band
8344:History
8275:Spokane
8247:Indiana
8210:Moncton
8194:XHTQ-FM
8169:XETQ-AM
8015:CBEW-FM
6803:Alaskan
6741:Ontario
6443:Ontario
6438:Windsor
6067:Buffalo
5472:Jalisco
3442:Ontario
3437:Toronto
3369:Alberta
3364:Calgary
3216:Chicago
3143:Seattle
2620:Chicago
2394:Ontario
2389:Toronto
1781:Chicago
1627:Detroit
1555:Georgia
1550:Atlanta
1478:Ontario
1473:Toronto
1250:Chicago
1098:Seattle
946:Tijuana
721:Chicago
267:Watrous
127:class A
104:skywave
54:skywave
11140:Europe
11110:Africa
11094:Usenet
11054:BITNET
10991:Mobile
10867:packet
10376:MOSFET
10371:device
10168:Beacon
9502:XECPAE
9489:Mexico
9028:Canada
8315:Xalapa
7393:Valdez
7121:Barrow
6849:Bethel
6736:Oshawa
6363:Nassau
5399:Oregon
4043:Dallas
3888:XECPAE
3591:Boston
2850:Quebec
2314:Denver
1330:Quebec
878:Quebec
113:of 50
94:Sixty
11123:South
11118:North
11079:JANET
11016:Telex
11006:Radio
10845:Nodes
10840:Links
10761:media
10339:Radio
10324:Pager
10252:Drums
10218:video
10213:image
10203:audio
9575:ZNS-1
9532:XEROK
9517:XEPRS
8539:MW DX
8306:1550
8266:1510
8233:1190
8201:1070
8128:Fate
8103:Freq.
7930:Notes
7860:1170
7792:1080
7724:1020
7665:Homer
6577:1560
6358:ZNS-1
6354:1540
6206:1530
6058:1520
5835:1500
5549:Texas
5458:1190
5231:1170
5167:Tulsa
5006:1140
4854:1130
4706:1130
4554:1110
4490:Omaha
4481:1110
4334:XEPRS
4330:1090
4257:1090
4048:Texas
4034:1080
3884:1060
3428:1010
3280:1000
3207:1000
2088:Texas
1851:XEROK
243:Coun-
177:(now
70:watts
11135:Asia
11021:UUCP
10981:ISDN
9552:XEWW
9547:XEWK
9542:XEWA
9527:XERF
9512:XEMR
9479:WWVA
9469:WWKB
9464:WTIC
9459:WTAM
9449:WSCR
9439:WRVA
9434:WPHT
9424:WOAI
9419:WMVP
9404:WLAC
9394:WHSQ
9384:WHAS
9379:WHAM
9364:WFME
9359:WFED
9354:WFAN
9349:WCKY
9344:WCCO
9329:WBBR
9324:WBBM
9319:WBAP
9314:WBAL
9309:WABC
9299:KYUK
9294:KXEL
9289:KWKH
9284:KVNT
9279:KSTP
9269:KRLD
9264:KOTZ
9259:KOTV
9254:KOKC
9249:KOAN
9239:KNZR
9229:KNWN
9224:KNOM
9219:KNBR
9214:KMOX
9209:KJNP
9204:KIRO
9199:KICY
9189:KFQD
9179:KFBK
9174:KFAR
9169:KFAB
9159:KENI
9154:KDLG
9149:KDKA
9144:KCHU
9139:KCBF
9134:KBYR
9129:KBRW
9124:KBBI
9119:KAAY
9101:CKWX
9096:CKGM
9091:CKDO
9086:CKAC
9081:CJBC
9076:CFZM
9071:CFRB
9066:CFNV
9036:CBEF
8571:2018
8492:and
8477:WABC
8449:WEAF
8373:The
8295:KSFN
8237:WOWO
8165:850
8133:540
8084:CKDO
8076:CHUC
8043:WFME
8031:KNZR
8019:CBEF
7998:CRTC
7994:CINW
7956:CKGM
7952:CINF
7864:KJNP
7796:KOAN
7728:KVNT
7660:KBBI
7656:890
7597:Nome
7592:KICY
7588:850
7524:KCBF
7520:820
7461:Nome
7456:KNOM
7452:780
7406:9.7
7388:KCHU
7384:770
7320:KFQD
7316:750
7252:KOTZ
7248:720
7184:KBYR
7180:700
7116:KBRW
7112:680
7048:KDLG
7044:670
6980:KFAR
6976:660
6912:KENI
6908:650
6844:KYUK
6840:640
6829:ion
6827:Nat-
6818:sign
6816:Call
6731:CKDO
6726:1580
6679:100
6656:XERF
6651:1570
6581:WFME
6508:KNZR
6503:1560
6433:CBEF
6428:1550
6295:Iowa
6285:KXEL
6280:1540
6220:Ohio
6210:WCKY
6137:KFBK
6132:1530
6062:WWKB
5989:KOKC
5984:1520
5914:WLAC
5909:1510
5839:WFED
5766:KSTP
5761:1500
5714:100
5686:1220
5615:WPHT
5609:1210
5538:WOAI
5532:1200
5462:XEWK
5382:1190
5311:WHAM
5305:1180
5235:WWVA
5162:KOTV
5157:1170
5097:Utah
5080:1160
5010:XEMR
4936:WRVA
4930:1140
4859:WBBR
4785:KWKH
4780:1130
4710:CKWX
4636:KMOX
4630:1120
4485:KFAB
4422:Ohio
4411:WTAM
4405:1100
4261:WBAL
4188:KAAY
4183:1090
4113:WTIC
4108:1080
4038:KRLD
3958:1070
3808:1060
3761:150
3733:1050
3673:Iowa
3656:1040
3579:1030
3508:KDKA
3502:1020
3432:CFRB
3354:1010
3284:XEOY
3211:WMVP
3137:KNWN
3131:1000
3057:990
2909:940
2840:CFNV
2788:100
2690:CKBI
2537:WHSQ
2384:CJBC
2231:WHAS
2154:WCCO
2077:WBAP
1997:810
1775:WBBM
1698:WABC
1468:CFZM
1389:730
1320:CKAC
1162:710
1093:KIRO
1028:Ohio
941:XEWW
937:690
868:CKGM
792:KNBR
715:WSCR
638:WFAN
479:640
358:150
335:XEWA
331:540
245:try
231:sign
229:Call
190:CKOT
183:WKBW
179:WUFO
163:WNZK
11026:WAN
10996:NGN
10986:LAN
10267:Fax
10208:DCT
9584:By
9557:XEX
9537:XEW
9522:XEQ
9507:XEG
9497:XEB
9474:WWL
9454:WSM
9444:WSB
9429:WOR
9414:WLW
9409:WLS
9399:WJR
9389:WHO
9374:WGY
9369:WGN
9339:WBZ
9334:WBT
9304:KYW
9274:KSL
9244:KOA
9234:KNX
9194:KGO
9184:KFI
9164:KEX
9061:CBY
9056:CBW
9051:CBR
9046:CBN
9041:CBK
8927:KML
8482:680
8471:in
8469:KOB
8441:NBC
8416:in
8414:WLW
8395:WLW
8270:KGA
8205:CBA
8137:CBT
8107:kHz
8066:in
8064:CBJ
7990:CBM
7988:to
7973:CBL
7971:'s
7948:CBF
7946:to
7814:10
7746:10
7678:10
7610:50
7542:10
7338:50
7270:10
7202:10
7134:10
7066:10
6998:10
6930:50
6862:10
6832:kW
6811:kHz
6754:10
6604:50
6456:10
6381:50
6308:50
6233:50
6160:50
6085:50
6012:50
5937:50
5862:50
5789:50
5691:XEB
5639:50
5562:50
5412:50
5388:KEX
5335:50
5258:50
5185:50
5110:50
5086:KSL
5033:50
4960:50
4883:50
4808:50
4733:50
4660:50
4583:50
4559:WBT
4508:50
4435:50
4358:50
4284:50
4211:50
4136:50
4061:50
3988:50
3964:KNX
3838:50
3814:KYW
3738:XEG
3686:50
3662:WHO
3609:50
3585:WBZ
3532:50
3455:50
3382:50
3359:CBR
3234:50
3161:50
3084:10
3061:CBY
2988:CBW
2983:990
2936:30
2913:XEQ
2863:50
2835:940
2765:XEW
2760:900
2713:10
2685:900
2638:50
2614:WLS
2608:890
2561:50
2531:880
2484:50
2460:WWL
2454:870
2407:50
2379:860
2332:50
2308:KOA
2302:850
2255:50
2225:840
2178:50
2148:830
2101:50
2071:820
2024:50
2001:WGY
1951:50
1927:KGO
1921:810
1874:50
1846:800
1769:780
1722:50
1692:770
1645:50
1621:WJR
1615:760
1568:50
1544:WSB
1538:750
1491:50
1463:740
1393:XEX
1343:50
1315:730
1268:50
1244:WGN
1238:720
1191:50
1167:WOR
1116:50
1088:710
1041:50
1017:WLW
1011:700
891:50
863:690
816:50
786:680
739:50
709:670
662:50
632:660
585:50
561:WSM
555:650
508:50
484:KFI
433:10
410:CBN
405:640
285:50
262:CBK
257:540
248:kW
224:kHz
77:in
75:XEW
11219::
9006:AM
8882:21
8880:.
8857:21
8855:.
8833:21
8831:.
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8562:.
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8072:FM
43:AM
37:A
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11149:(
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8105:(
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7713:)
7645:)
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5220:)
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