20:
34:
It was first licensed, with sequentially issued call letters, in early 1921, and was constructed at the company's
Cleveland plant on West 58th Street and Bulkey Boulevard (later Memorial Shoreway). KDPM initially was not a broadcasting station, and instead was used for point-to-point communication
38:
In the early 1920s
Westinghouse established a number of broadcasting stations. The company was interested in linking them together for simultaneous network programming, but wanted to avoid the expense of leasing long-distance telephone lines. It was decided to test the use of
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in
Hastings, Nebraska. KDPM reverted to its original use for company interplant communication, although its authorization for entertainment broadcasts was not formally removed until early 1926. The station soon ended its remaining operations, and was removed in late 1927.
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in East
Pittsburgh. In early 1923 KDPM was issued an additional authorization to transmit on the standard "entertainment" broadcasting wavelength of 360 meters (833 kHz), and beginning on March 4 it was used as the primary station for the initial tests.
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The shortwave relay used by KDPM was judged to be successful, however
Westinghouse soon decided to move its relay target to the geographical center of the United States, and switched to a newly constructed station,
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For these tests KDKA, in addition to its normal operation on 360 meters, transmitted on shortwave wavelengths from 80 to 100 meters (3750 to 3000 kHz), for local rebroadcasts on 360 meters by both KDPM and
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146:"Stations Broadcasting Market or Weather Reports and Music, Concerts, Lectures, Etc. Alphabetically by Call Letters, Licensed Up to March 1, 1923"
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23:
Diagram of shortwave links used by KDKA in East
Pittsburgh for rebroadcasts by KDPM in Cleveland and WBZ East Springfield, Massachusetts (1923)
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in East
Springfield, Massachusetts. During its time as a broadcasting station, almost all of KDPM's programming originated at KDKA.
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transmissions, to distribute programming originating from
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162:"Is Short-wave Relaying a Step Toward National Broadcasting Stations?"
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with
Westinghouse's headquarters at East Pittsburgh, Pennsylvania.
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Experimental shortwave radio station in
Cleveland, Ohio (1921–1927)
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112:"Condon's Column: Retiring Engineer Recalls Early Days" by
197:, February 15, 1925, Dramatic-Feature section, page 9.
207:"Broadcasting Stations: Strike Out All Particulars"
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32:Westinghouse Electric & Manufacturing Co.
242:Pioneer Short-Wave Station Historical Marker
1461:Defunct radio stations in the United States
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1476:Radio stations disestablished in 1927
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30:was a radio station operated by the
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1466:Radio stations established in 1921
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1431:with extended nighttime coverage.
1272:Cleveland Guardians Radio Network
235:
180:by D. G. Little and F. Falknor,
1412:List of mass media in Cleveland
216:
81:"Broadcast Relay on 100 Meters"
1456:1927 disestablishments in Ohio
1417:List of radio stations in Ohio
1262:Cleveland Browns Radio Network
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136:, December 31, 1926, page 30.
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229:, November 30, 1927, page 7.
184:, January 1924, pages 25-30.
7:
1471:Radio stations in Cleveland
1451:1921 establishments in Ohio
213:, January 30, 1926, page 7.
168:, June 1923, pages 119-122.
130:"Important Events in Radio"
10:
1497:
1481:Defunct mass media in Ohio
87:, November 1923, page 674.
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152:, April 2, 1923, page 14.
103:, March 1, 1921, page 2.
83:by Howard Allen Duncan,
1429:Clear-channel stations
278:Radio stations in the
227:Radio Service Bulletin
211:Radio Service Bulletin
195:Cleveland Plain Dealer
150:Radio Service Bulletin
134:Radio Service Bulletin
118:Cleveland Plain Dealer
101:Radio Service Bulletin
24:
85:Science and Invention
22:
1388:Other nearby regions
1267:Cavaliers AudioVerse
244:(explorehistory.com)
182:The Electric Journal
178:"Radio Station KFKX"
1354:Radio stations in
193:"'Dope' on KDPM",
164:by W. W. Rodgers,
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120:, June 11, 1960.
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97:"New Stations"
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1397:Vacationland
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539:Translators
1445:Categories
1381:Youngstown
1311:oWOW Radio
69:References
1376:Cleveland
1366:Ashtabula
837:Call sign
280:Cleveland
41:shortwave
1408:See also
1392:Mid-Ohio
1299:Defunct
1224:WSAV-LP
1219:WRUW-FM
1202:WOVU-LP
1192:WOBC-FM
1107:WKRK-FM
1043:WGAR-FM
1038:WFHM-FM
996:WCRF-FM
827:107.9-2
822:107.9-1
817:107.3-1
812:106.5-2
807:106.5-1
802:105.7-2
797:105.7-1
792:104.9-4
787:104.9-3
782:104.9-2
777:104.9-1
772:104.1-2
767:104.1-1
762:102.1-1
757:100.7-2
752:100.7-1
654:Digital
429:WOBC-FM
1402:Toledo
1371:Canton
1282:Silent
1255:Sports
1182:WNG698
920:W299CJ
915:W295DE
910:W291BV
905:W287DQ
900:W279BT
895:W273DG
890:W268CO
885:W266CJ
880:W262DM
875:W256BT
870:W255CW
865:W245CY
860:W233CG
855:W224CD
850:W206CH
747:99.5-1
742:98.5-2
737:98.5-1
732:96.5-2
727:96.5-1
722:93.1-3
717:93.1-2
712:93.1-1
707:92.3-3
702:92.3-2
697:92.3-1
692:90.3-3
687:90.3-2
682:90.3-1
677:89.7-4
672:89.7-3
667:89.7-2
662:89.7-1
644:162.55
1424:Notes
1361:Akron
845:KHB59
639:162.5
617:107.7
612:106.9
607:106.1
602:105.3
597:103.7
592:102.5
587:101.5
582:101.1
577:100.3
506:107.9
501:107.3
496:106.5
491:105.7
486:104.9
481:104.1
476:103.3
471:102.1
466:100.7
420:91.5
380:88.3
1341:WWIZ
1336:WWGK
1331:WJTB
1326:WDBK
1321:WBOE
1316:WATJ
1306:KDPM
1290:WCCD
1234:WZAK
1229:WTAM
1207:WQAL
1197:WOBL
1187:WNWV
1170:WNCX
1158:WMMS
1146:WMJI
1124:WKSU
1102:WKNR
1097:WKHR
1092:WJMO
1087:WJCU
1082:WINT
1077:WHWN
1065:WHLK
1060:WHKW
1033:WERE
1028:WEOL
1016:WENZ
1011:WDOK
1006:WDLW
1001:WCSB
974:WCPN
957:WCLV
952:WCCR
947:WBWC
942:WARF
930:WAKS
925:WABQ
631:NOAA
572:99.1
567:98.9
562:96.9
557:94.5
552:92.7
547:89.1
529:95.9
524:93.7
516:LPFM
461:99.5
456:98.5
451:96.5
446:95.5
441:93.1
436:92.3
424:WKHR
416:91.1
411:90.3
406:89.7
401:89.3
396:88.7
389:WHWN
384:WBWC
363:1490
358:1460
353:1420
348:1380
343:1350
338:1330
333:1320
328:1300
323:1260
318:1220
313:1100
284:Ohio
62:KFKX
45:KDKA
28:KDPM
1427:1.
1244:HD3
1239:HD2
1212:HD2
1175:HD2
1163:HD2
1151:HD2
1139:HD4
1134:HD3
1129:HD2
1117:HD3
1112:HD2
1070:HD2
1055:WHK
1048:HD2
1021:HD2
989:HD4
984:HD3
979:HD2
967:HD3
962:HD2
935:HD2
308:930
303:850
54:WBZ
1447::
373:FM
295:AM
282:,
225:,
209:,
148:,
132:,
116:,
99:,
271:e
264:t
257:v
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