22:
428:
stations, and moved existing channel 1 stations to higher frequencies. Community television stations covered smaller cities and were allowed to use less radiated power. None of these stations were built before the FCC imposed a freeze on all television station construction permits in mid-1948, and
533:
Military LMR: This band is used primarily for tactical and training operations by U.S. military units for combat net radio operations that provide command and control for combat, combat support, and combat service support units. Frequencies also used for air-to-ground communications for military
193:
In the first postwar allocation in the spring of 1946, Channel 1 was moved back to 44–50 MHz, with visual at 45.25 MHz and aural at 49.75 MHz. FM was moved to its current 88–108 MHz band. But WNBT and all other existing stations were moved to other channels, because the final
510:
units for combat net radio operations that provide command and control for combat, combat support, and combat service support units. Frequencies also used for air-to-ground communications for military close air support requirements as well as some other tactical air-ground and air-air
194:
Channel 1 was reserved for low-power community stations covering a limited area. While a handful of construction permits were issued for this final version of
Channel 1, no station ever actually broadcast on it before it was removed from use in 1948.
471:
systems, channel 1 was optionally used by some providers in between channels 4 and 5 at the frequencies of 72–78 MHz (moving channel 5 and 6 allocations up by 2 MHz; however, this would prevent channels 5 and 6 from being viewed on
503:
Non-Military LMR: Extensive use of this band is for contingency response to various national disasters. Others uses are for national resources management, law enforcement, tornado tracking, and various meteorological research support.
548:
47.0-49.60 is used by LMR and then the cordless phone range. Early experiments with meteor scatter one way messaging was in the 49 - 50 range back in the early 1990s but it no longer exists due to reliable and cheaper satellite
444:
was needed for television broadcasting. Except for selected VHF frequencies in Alaska and Hawaii (and some overseas territories) the FCC-administered VHF band is primarily allocated for television broadcasting to this day.
177:
system on July 1, 1941. Channel 1 was located at 50–56 MHz, with visual carrier at 51.25 MHz and aural carrier at 55.75 MHz. At the same time, the spectrum from 42 to 50 MHz was allocated to
120:
and television broadcasters shared the same frequencies, which caused interference. This shared allocation was eventually found to be unworkable, so the FCC reallocated the
Channel 1 frequencies for
155:
between 1937 and 1940. Visual and aural carrier frequencies within the channel fluctuated with changes in overall TV broadcast standards prior to the establishment of permanent standards by the
128:
use and assigned TV channels 2–13 exclusively to broadcasters. Aside from the shared frequency issue, this part of the VHF band was (and to some extent still is) prone to higher levels of
295:
that year. As part of a consolidation of the
Elkhart and South Bend communities into a single television market, WSBT-TV was moved in 1958 to UHF channel 22, where it remains as a
437:
From 1945 to 1948 TV stations in the U.S. shared
Channel 1 and other channels with fixed and mobile services. The FCC decided in 1948 that a primary (non-shared) allocation of the
572:
Any receivers capable of tuning VHF TV 1, by necessity, operated on a lower intermediate frequency as 45.75 MHz video IF would overlap the incoming signal at 44-50 MHz.
529:
Non-Military LMR: This band is used extensively to support contingencies or ecological emergencies, some public safety requirements, MARS system, and air-quality measurements.
166:. Television's channel 1 frequency range was moved to 50–56 MHz (see table below). Experimental television stations in New York, Chicago, and Los Angeles were affected.
557:
for system M television, where receiver tuners shift and flip the incoming signal onto 41.25 MHz (analogue audio) and 45.75 MHz (analogue video) after the initial
639:, these frequencies are being vacated by TV broadcasters and allocated to "wide FM" broadcasters, relocating from mediumwave AM to an extended FM band above 90 MHz.
448:
The FCC in May 1948 formally changed the rules on TV band allocations based on propagation knowledge gained during the era of shared-user allocations. The 44–50 MHz
981:
David Ferre; Radio-Electronics magazine; March 1982; pp. 43-46, 89; “What Ever
Happened to Channel 1?”; archived on earlytelevision.org; retrieved September 22, 2023
531:
Experimental: Research is performed in various regions of the atmosphere as well as experimental development of portable space orbital debris ground radars.
521:
Military LMR: Used by the military services for tactical and training operations on a non-interference basis. (Band is otherwise non-government exclusive).
495:
Military LMR: Used by the military services for tactical and training operations on a non-interference basis. (Band is otherwise non-government exclusive).
182:. Several commercial and experimental television stations operated on the 50–56 MHz Channel 1 between 1941 and 1946, including one station, WNBT (now
201:
broadcast television frequencies, channel 1 was logically the first channel. These U.S. TV stations originally broadcast on the 50–56 MHz channel 1:
1026:
291:; never began broadcasting on channel 1, but was reallocated to UHF channel 34 in the 1952 revised channel allocation table, where it went on the air as
455:
Channel 1 was reassigned to fixed and mobile services (44–50 MHz) in order to end their former shared use of other VHF TV frequencies. Rather than
235:
experimental station, billed as the first all-electric TV station in 1939. Reassigned post-war to
Channel 2, it broadcast an early form of monochrome
113:. After FM was moved to its current frequencies in 1946, TV Channel 1's last assigned band was 44 to 50 MHz. This allocation was short-lived.
79:
924:
805:
367:, licensed to a chemical company, also held a channel one construction permit; there is no indication the stations ever got on the air.
545:
46.61-46.89 is used by older cordless phone base stations. The handsets use the 49.61 - 49.89 range for transmitting to the base unit.
583:
did not start regular television broadcasts until after the U.S. had decommissioned
Channel 1 (44–50 MHz) for television use;
373:
879:
476:
television sets). Channel 1, where available, has also been mapped to 99 (frequency range 114–120 MHz) on some cable boxes.
393:
854:
1031:
627:
which is 76 to 90 MHz. Frequencies corresponding to Japan's channel 1 through 3 (90–108 MHz) are used primarily for
953:
156:
484:
As of
September 2000, the Federal Spectrum Use of the band (which is regulated by the NTIA and not the FCC) was as follows:
836:
318:
170:
65:
43:
36:
325:
By
September 1945, additional stations temporarily granted construction permits to operate on channel 1 included:
102:
623:
and other cities. The
Japanese Channel 1 was assigned to the frequency 90 to 96 MHz, just above the Japanese
906:
659:
392:
1 in July 2009, becoming the first American station to be assigned virtual channel 1 via the digital television
109:
repeatedly, with the entire band displaced upward at one point due to an early 40 MHz allocation for the
685:
519:
Used for experimental research to observe and measure currents in harbor areas in support of vessel safety.
129:
985:
672:
636:
566:
256:
396:
standard, which shows the channel as such on a digital television set. KAXT-CD's physical broadcasts on
263:
746:
360:
534:
close air support requirements as well as some other tactical air-ground and air-air communications.
143:
went on-air in 1952, the historical Channel 1 (System M) is exclusively a U.S. allocation artifact.
759:
421:
30:
932:
698:
554:
299:
91:
47:
646:
273:
767:
719:
711:
425:
198:
8:
724:
632:
248:
754:
740:
732:
613:
296:
232:
95:
883:
989:
858:
706:
680:
667:
302:
163:
117:
110:
995:
356:
held an unbuilt construction permit, and additionally given a channel 12 assignment.
980:
728:
693:
468:
456:
957:
506:
Military LMR: This band is used primarily for tactical and training operations by
493:
Primarily used by Federal agencies for mutual aid response with local communities.
773:
On digital television, their virtual channel number is 1 for historical reasons.
562:
389:
1007:
840:
459:
the TV channel table, it was decided to merely remove Channel 1 from the table.
715:
702:
663:
616:
441:
236:
642:
The following commercial television stations operated on channel 1 on analog:
1020:
592:
507:
385:
364:
210:
187:
121:
819:
558:
449:
87:
910:
600:
596:
473:
240:
221:
125:
1011:
1001:
405:
334:
310:
284:
277:
763:
349:
306:
654:
628:
417:
401:
179:
136:
792:, May 21, 1940, p. 23. "Gives Du Mont Right to Television Here",
750:
650:
624:
607:
as TV broadcasting did not start in these areas until the 1950s.
588:
584:
381:
314:
292:
288:
266:
228:
217:
140:
788:"Threat to Television Is Feared in Frequency Modulation Order",
452:
used by Channel 1 was replaced by lower-power narrowband users.
736:
689:
676:
631:
broadcasting (88–108 MHz) outside Japan and correspond to
580:
424:
channels, the FCC decided to reserve channel 1 for low-power
806:"History of Zenith Electronics Corporation – FundingUniverse"
620:
610:
604:
880:"Television stations authorized by the FCC, January 1, 1941"
309:. No full-service VHF TV allocations were made available to
400:
channel 22 cause no interference for Channel 1 physically.
353:
342:
338:
252:
244:
206:
183:
174:
575:
438:
397:
330:
260:
152:
106:
954:"NTIA Federal Long-Range Spectrum Plan - 30 to 1300 MHZ"
305:
today; channel 34 became the home of PBS member station
388:(broadcasting on physical UHF channel 22) was assigned
280:; never began broadcasting, no current VHF allocation;
259:
11 Chicago) and its channel 2 assignment was taken by
591:
signed on in 1952. This TV channel was never used in
432:
341:
ultimately built on channel 4 as commercial station
162:In 1940, the FCC reassigned 42–50 MHz to the
190:, which had a full commercial operating license.
1018:
489:43.69–46.6 Non-Military Land Mobile Radio (LMR)
479:
80:North American broadcast television frequencies
213:(1941–1946), reassigned in 1946 to channel 4;
882:. RCA Radio Travel-Log. 1941. Archived from
538:FCC (NON-Federal) allocations for the band:
553:There is also a conflict with the de facto
169:Commercial TV allocations were made by the
1027:History of television in the United States
996:Why is there no Channel One on television?
992:article of the same name by David A. Ferre
251:in 1953. Its transmitters were donated to
66:Learn how and when to remove this message
907:"Why don't US TV Sets have a Channel 1?"
374:list of experimental television stations
98:which was removed from service in 1948.
29:This article includes a list of general
576:Channel 1 in other NTSC-using countries
542:Primarily Land Mobile use from 43-46.6.
411:
105:, Channel 1 was moved around the lower
1019:
132:(RFI) than even Channel 2 (System M).
931:. Extreme Media. 2012. Archived from
794:New York Times, July 21, 1940, p. 28.
635:in North America. With the advent of
569:initially struggled to life in 1952.
525:49.6–50 Govt. FIXED MOBILE Allocation
499:46.6–47 Govt. FIXED MOBILE Allocation
429:removed the channel one allocations.
157:National Television Systems Committee
820:Zenith Enters FM and TV Broadcasting
376:for additional channel one pioneers.
247:experiments before ultimately going
15:
561:. This standard was adopted due to
462:
224:, reassigned post-war to channel 2;
13:
904:
35:it lacks sufficient corresponding
14:
1043:
974:
433:A shared (non-primary) allocation
408:stations broadcast on Virtual 1.
171:Federal Communications Commission
151:Channel 1 was allocated at 44–50
986:What ever happened to Channel 1?
103:experimental era of TV operation
20:
855:"CompassRose.org: WBKB Chicago"
660:Aomori Broadcasting Corporation
380:As a virtual channel, however,
946:
917:
898:
872:
847:
829:
812:
798:
782:
1:
1032:TV stations by channel number
776:
686:Tokai Television Broadcasting
988:- J. W. Reiser, based on a
480:Modern allocations 43–50 MHz
130:radio-frequency interference
7:
1008:What Happened to Channel 1?
673:Tohoku Broadcasting Company
567:UHF television broadcasting
345:, later moved to channel 5.
10:
1048:
619:broadcast on Channel 1 in
146:
1002:What became of Channel 1?
747:Kyushu Asahi Broadcasting
216:W6XAO/KTSL/KNXT (today's
205:W2XBS/WNBT/WRCA (today's
760:Minaminihon Broadcasting
422:public-access television
313:due to its proximity to
197:When the FCC initially
50:more precise citations.
699:Kitanihon Broadcasting
555:intermediate frequency
647:Hokkaido Broadcasting
420:and the invention of
139:in 1950 and Canada's
768:Kagoshima Prefecture
720:Tokushima Prefecture
712:Shikoku Broadcasting
515:47–49.6 Experimental
426:Community television
412:Community television
317:, making the city a
243:and conducted early
135:As Mexico signed on
913:on 3 December 2022.
725:Nihonkai Television
929:HackersCatalog.com
886:on August 18, 2012
755:Fukuoka Prefecture
741:Shimane Prefecture
733:Tottori Prefecture
637:digital television
614:public broadcaster
416:In 1946, prior to
96:television channel
990:Radio-Electronics
925:"Technical Notes"
843:on 24 March 2022.
707:Toyama Prefecture
681:Miyagi Prefecture
668:Aomori Prefecture
239:in 1951 as K2XBS
164:FM broadcast band
137:its first station
118:Land Mobile Radio
111:FM broadcast band
76:
75:
68:
1039:
969:
968:
966:
965:
956:. Archived from
950:
944:
943:
941:
940:
921:
915:
914:
909:. Archived from
902:
896:
895:
893:
891:
876:
870:
869:
867:
866:
857:. Archived from
851:
845:
844:
839:. Archived from
833:
827:
824:The Zenith Story
816:
810:
809:
802:
796:
786:
694:Aichi Prefecture
469:cable television
463:Cable television
245:color television
186:, channel 4) in
173:(FCC) under the
71:
64:
60:
57:
51:
46:this article by
37:inline citations
24:
23:
16:
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563:image frequency
549:communications.
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511:communications.
505:
502:
494:
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435:
414:
390:virtual channel
149:
72:
61:
55:
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42:Please help to
41:
25:
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12:
11:
5:
1045:
1035:
1034:
1029:
1015:
1014:
1005:
999:
993:
983:
976:
975:External links
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828:
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790:New York Times
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735:(also serving
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617:NHK General TV
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565:problems when
551:
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442:radio spectrum
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1004:- Jeff Miller
1003:
1000:
998:- Cecil Adams
997:
994:
991:
987:
984:
982:
979:
978:
960:on 2009-10-18
959:
955:
949:
935:on 2014-07-14
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905:Cooper, Bob.
901:
885:
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861:on 2015-06-08
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593:Latin America
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508:U.S. military
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386:San Francisco
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365:West Virginia
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188:New York City
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144:
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141:first station
138:
133:
131:
127:
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122:public safety
119:
114:
112:
108:
104:
99:
97:
93:
89:
86:was a former
85:
81:
70:
67:
59:
49:
45:
39:
38:
32:
27:
18:
17:
962:. Retrieved
958:the original
948:
937:. Retrieved
933:the original
928:
919:
911:the original
900:
888:. Retrieved
884:the original
874:
863:. Retrieved
859:the original
849:
841:the original
831:
823:
814:
800:
793:
789:
784:
772:
641:
609:
579:
571:
559:RF amplifier
552:
537:
524:
514:
498:
488:
483:
466:
454:
447:
436:
415:
379:
371:
370:
324:
196:
192:
168:
161:
150:
134:
116:Until 1948,
115:
107:VHF spectrum
100:
92:over-the-air
83:
77:
62:
56:January 2024
53:
34:
633:cable 95–97
601:Philippines
597:South Korea
474:cable-ready
241:Phonevision
222:Los Angeles
126:land mobile
101:During the
48:introducing
1021:Categories
1012:Snopes.com
964:2009-11-08
939:2016-08-12
890:August 12,
865:2008-11-15
837:"Timeline"
777:References
603:excluding
406:Azteca Uno
361:Charleston
335:Cincinnati
319:UHF island
311:South Bend
285:South Bend
278:California
31:references
764:Kagoshima
762:(MBC) in
749:(KBC) in
727:(NKT) in
716:Tokushima
714:(JRT) in
701:(KNB) in
688:(THK) in
675:(TBC) in
662:(RAB) in
649:(HBC) in
372:See also
350:Iowa City
303:affiliate
274:Riverside
199:allocated
88:broadcast
84:channel 1
655:Hokkaido
629:FM radio
611:Japanese
599:and the
457:renumber
418:cable TV
404:and all
402:XHDF-TDT
233:Zenith's
180:FM radio
826:(1954).
751:Fukuoka
729:Tottori
651:Sapporo
625:FM band
382:KAXT-CD
329:W8XCT (
315:Chicago
297:digital
293:WSBT-TV
289:Indiana
267:WBBM-TV
264:O&O
229:Chicago
218:KCBS-TV
147:History
44:improve
737:Matsue
703:Toyama
690:Nagoya
677:Sendai
664:Aomori
581:Canada
359:W8XGZ
348:W9RUI
283:WSBE,
272:KARO,
237:pay-TV
227:W9XZV
33:, but
621:Tokyo
605:Japan
892:2012
589:CBLT
587:and
585:CBFT
472:non-
450:band
394:PSIP
354:Iowa
343:WLWT
339:Ohio
307:WNIT
253:WTTW
249:dark
207:WNBC
184:WNBC
175:NTSC
124:and
822:",
467:On
439:VHF
398:UHF
384:in
331:WLW
300:CBS
261:CBS
257:PBS
220:),
209:),
153:MHz
78:In
1023::
1010:-
927:.
766:,
753:,
739:,
731:,
718:,
705:,
692:,
679:,
666:,
653:,
595:,
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333:)
287:,
276:,
231:,
159:.
94:)
82:,
967:.
942:.
894:.
868:.
818:"
808:.
743:)
527::
517::
491::
321:.
269:.
255:(
90:(
69:)
63:(
58:)
54:(
40:.
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