5805:
5815:
226:
126:
76:
35:
5794:
5825:
3434:. Regular broadcast from 30 May 1927 to May 1940 when the station went dark due to the German occupation of Holland; resumed after liberation October 1945 – 1946 when Philips and other shortwave radio stations taken over by Radio Netherlands Worldwide. Sister station PHI broadcast in Dutch to the Dutch East and West Indies from 1928 to 1930 and 1934 to 1949.
3898:
720:
The station's roots date back to 1912 when Dana McNeil, was first licensed as 9ZP. In 1916, he was licensed as 9CLS. According to the FCC's card file for the station, the broadcast license for KGFX was first issued on 15 August 1927, with the licensee listed as Dana McNeil, The station was
639:); XWA Experimental and W/T School station licence starting end of 1914, regular broadcasting test emissions starting 1 December 1919 with XWA being replaced in May 1922 by private commercial broadcasting licence CFCF; AM station CINW ceased operations on 29 January 2010.
2440:, WLS would come to stand for the World's Largest Store. Sears ran broadcasts from WMAQ studios as WBBX in March 1924. WES tests were conducted 9 to 11 April 1924. WLS would begin on 12 April and became one of 25 original 50,000 watt "Clear Channel" system stations;
721:
originally at 1180 kHz, moving to 580 kHz in 1928. In 1932, it moved to 630 kHz, where it remained until 1967.As of 2018 KGFX 1060AM continues to broadcast local content at 10 kW power in Pierre, SD. With an FM translator broadcasting at 107.1
3795:
to provide en route entertainment for train passengers but also available to anyone within signal range. Consisted of 27 stations (3 owned and operated and up to 24 "phantom stations" – time leased on affiliated radio stations.
3429:
The first shortwave station in Europe. 25 June 1926 (test transmissions began), and the first shortwave station in the world with its own dedicated programming rather than being a simulcast of an AM/MW or LW station such as
375:
Although
Australia's first officially recognised broadcast was made in 1906, some sources claim that there were transmissions in Australia in 1897, either conducted solely by Professor
4080:
Armstrong, R. (2015), "Broadcasting Policy in Canada", 2nd
Edition, University of Toronto Press, p.23; "LE RADIO – Programme du 25 juin", La Presse newspaper, Saturday 24 June 1922
4449:
5869:
1535:
48:
5777:
5749:
5744:
4769:
90:
4345:
3818:
209:
The several potential contenders for the title of "oldest radio station" are listed below, organized by sign-on date. These are not restricted to
616:
AM 940 kHz (Not original frequency). Considered by many
Canadians to be "First scheduled broadcast station;" prior call sign CFCF stood for
5771:
5766:
5756:
5736:
5538:
4006:
2832:, commercial. Was originally going to broadcast as 2EU, but the callsign was reversed prior to the licence being issued on 7 November 1924.
436:
826:
5761:
5607:
3924:
2664:
5533:
2057:
144:
100:
54:
5627:
3377:
3298:
316:
169:
62:
4561:
835:
4 December 1916 (regular Morse code weather broadcasts; first voice broadcast in
February 1919; regular programming January 1921)
5859:
5854:
5412:
4960:
4762:
4319:
4152:
3765:
3111:
1156:
Licensed to
Canadian Independent Telephone Company of Toronto (CITCO), initially as experimental license for wireless telephony.
4210:
4184:
5523:
3834:
3806:
3801:
3188:
3116:
503:
5518:
5069:
4133:
3209:
AM 160 kHz,1935 transmitter moved to
Kootwijk, 1938 also Jaarsveld 722 kHz, today FM network and 747/1251 kHz
2250:
2208:
810:
Morse code only (Despite this claimed by some to be "world's first broadcast" as transmission not aimed at specific target)
4191:, 15 February 1920, Second section, page 4. "Messrs. Williams and Devinney" were Burton P. Williams and Robert C. Devinney.
1534:
Originally on 360 meters (AM 833 kHz), moved across the dial and eventually assigned to AM 750 kHz following the
5543:
3846:
5828:
4235:
3899:
List of the initial commercial FM station assignments issued by the
Federal Communications Commission on October 31, 1940
5818:
5579:
5476:
5019:
4786:
3751:
3157:
2265:
1856:
Began testing on 450 metres on 10 April 1922, licensed for 400 metres beginning 22 June 2022. Moved to 770 kHz in 1928.
1350:
929:
793:
4738:
4117:
987:
917:
5808:
5315:
4755:
4413:
4379:
4168:
3406:
2538:
233:
4490:
1252:
419:
4030:
5667:
5589:
5528:
5235:
4506:
3893:
3881:
2871:
415:
4427:
4281:, which details the evolution of the station from Chicago, to Philadelphia, to Cleveland and back to Philadelphia.
3993:
5849:
5439:
5400:
5245:
5145:
5074:
5007:
4834:
3911:
3792:
3225:
1713:
4274:
1649:
Originally AM 833 kHz, became WMAQ at 750 kHz on 2 October 1922, moved to 670 kHz on 2 July 1923
5798:
5040:
4975:
4928:
4814:
3369:
3074:
2865:
2231:
1394:
323:
1871:
195:
4463:
2093:
5637:
5622:
5466:
5417:
5340:
5240:
4918:
4804:
4799:
3871:
2829:
2708:
937:
852:
3699:
5864:
5559:
5345:
5160:
5105:
5100:
4913:
4878:
3672:
3344:
3096:
3052:
2802:
2726:
1600:
1542:
1305:
1236:
1134:
889:
AM 833 kHz/619 kHz, then various frequencies; currently AM 950 kHz & FM 102.9 MHz
636:
380:
582:
1909, 1921 (officially granted experimental license as KQW, become commercial in 1921, and KCBS in 1949)
5461:
5265:
5230:
5150:
5130:
5052:
4940:
4861:
4670:"QUESTIONS AND ANSWERS: Time Schedule and Channels Used by KDKA's ShortWave Transmitter--Call Is W8XK",
4247:
3683:
3634:
3606:
2979:
2135:
2036:
2013:
1447:
691:
656:
446:
2675:
Summer 1925 – 1927 (experimental), license granted March 1928, Regular broadcast from 1 November 1928
896:
5375:
5335:
5305:
5062:
4997:
4888:
3707:
3599:
715:
576:
4722:
5385:
5325:
5084:
5046:
4903:
4844:
4829:
3339:
3330:
3161:
3046:
2904:
2900:
2755:
2743:
2406:
1899:
1387:
1039:
797:
450:
376:
359:
203:
5612:
5569:
5500:
5370:
5300:
5275:
5210:
5057:
4778:
3656:
3463:
830:
466:
210:
183:
916:
Made the first radiophonic broadcast in Brazil, but the first radio officially acknowledged was
2716:
1866:
1673:
AM 720 kHz, founded by C.R. Kierulff & Co., sold to Times-Mirror
Company in late 1922
5652:
5574:
5488:
5471:
5434:
5320:
5280:
5110:
5079:
4945:
4839:
4684:
4627:
4443:
4339:
3866:
3592:
3577:
2463:
2148:
2089:
1948:
1737:
1473:
1244:
586:
537:
401:
350:
187:
4615:
3565:
200 watts (initially), 1,000 watt (1937), 10,000 watt (1940), 100,000 (1967), 500,000 (1981)
3380:. Used to relay KDKA signal to AM rebroadcasters in other cities. Broadcast programming from
5657:
5617:
5597:
5564:
5493:
5451:
5365:
5220:
5205:
5180:
5155:
5115:
4965:
4824:
4819:
4809:
3861:
2975:
2586:
2279:
191:
190:
in 1895. This followed on from pioneering work in the field by a number of people including
4659:
4396:
2812:. Australia's third commercial station, and the oldest commercial station still operating.
2602:
1 April 1925 (experimental), license granted April 1926, Regular broadcast from April 1926
5285:
5140:
4908:
4871:
4494:
4278:
3888:
3876:
3292:
3288:
3249:
2786:
2621:
2451:
2144:
1806:
1 hour daily tests on 350 metres (857 kHz) AM. Full service opened: 14 November 1922
1421:
673:
669:
665:
561:
550:
546:
517:
488:
335:
310:
306:
263:
4883:
4071:"Report of the Department of the Naval Service for the Fiscal Year ending March 31, 1915"
3089:
3067:
3040:
2235:
1832:
Test TXs: 350 metres (857 kHz) AM. Full service opened 15 November 1922: 375 meters
780:
75 watts (1916), Class-A (1920–present). Began simulcasting on shortwave in 1923 as 8XS.
4089:"Union College", Education's Own Stations by S. E. Frost, Jr., PhD, 1937, pages 437–441.
5483:
5355:
5330:
5290:
5260:
5135:
4970:
4856:
4291:
3905:
3554:
2394:
2372:
2321:
2273:
2184:
1773:
995:
529:
4323:
3764:
Private commercial company made up of 26 stations by 1926. Nationalised to become the
3212:
Huizen 15 kW, Kootwijk day 15 kW, evening 120 kW, Jaarsveld 20 kW
5843:
5632:
5405:
5395:
5310:
5200:
5195:
5185:
5170:
4992:
4851:
3822:
3562:
50.26 metres, later 6050 kHz, 9745 kHz, 11775 kHz and 15155 kHz.
3526:
2639:
1919:
785:
652:
499:
479:
85:
17:
5510:
5350:
5295:
5225:
5190:
5125:
5024:
5014:
4866:
3928:
3829:
as its hub. Grew to 27 stations (WEAF and 26 affiliates) stretching from Boston to
3531:
2686:
2109:
2052:
1560:
1366:
1360:
1279:
1047:
754:
4359:
331:
213:, i.e., the transmissions were not necessarily intended to reach a wide audience.
5710:
5360:
5270:
5255:
5215:
5175:
5034:
3916:
3830:
3502:
3419:
3334:
3201:
3175:
3129:
2926:
2921:
2837:
2576:
15 December 1924 One of 25 original 50,000 watt "Clear
Channel" system stations
2544:
2494:
2490:
2214:
2168:
1616:
941:
921:
856:
597:
4305:
2861:
5715:
5422:
5120:
5029:
4985:
4955:
4933:
4923:
4898:
2792:
2761:
2596:
2469:
2412:
2333:
2288:
1989:
1823:
1587:
1121:
1022:
768:
475:
267:
3582:
18 March 1934 – July 1939. Replaced in 1944 with an FM station, now known as
5700:
5165:
4980:
3842:
3826:
3777:
3769:
3431:
3423:
3415:
3390:
to the Arctic. Merged with WBOS (1940) and became a VOA transmitter (1942).
3386:
3381:
3313:
3272:
3263:
3253:
3197:
3125:
2967:
2895:
2890:
2751:
2721:
2669:
2402:
2152:
2028:
2005:
1887:
1839:
1633:
1555:
1550:
1468:
1463:
1284:
1194:
1171:
1113:
763:
758:
731:
710:
602:
571:
565:
485:
21 December 1906 (Audio tests from various locations from as early as 1900)
290:
281:
199:
4632:
3512:(later CBL) to northern Ontario, northern Manitoba and the Canadian Arctic
4487:
5695:
5685:
5602:
5427:
5250:
3471:
2782:
2561:
2428:
2377:
2118:
1895:
1768:
1708:
1662:
1657:
1608:
1517:
1489:
1416:
1269:
1215:
1175:
1094:
1070:
878:
821:
686:
607:
271:
3968:
1150:
18 April 1921 (as 9AH); 18 April 1922 (as CKCE) - closed
September 1924
5690:
5675:
3509:
3411:
2875:
2246:
2241:
2062:
1943:
1933:
originally AM 1431 kHz, now AM 1305 kHz and FM 99.8 MHz
1924:
1847:
1525:
1437:
5720:
5680:
5002:
4794:
4747:
4271:
3610:
3193:
3165:
3121:
2950:
2650:
1 February 1925 (experimental), Regular broadcast from 18 April 1926
2644:
2569:
2352:
2204:
2176:
1497:
1313:
Experimental broadcasts by Professor Robert Jack of Otago University
1223:
1199:
991:
945:
904:
860:
801:
411:
3151:
2124:
October 1922 (experimental), 26 March 1923 (official launch) – 2005
678:
Original: Technical & Training School License, Current: Class-A
4048:"Radio Station | WBCR 90.3 FM Beloit College Radio | United States"
3352:
2.5 MHz, 5 MHz, 10 MHz, 15 MHz and 20 MHz
2962:
100 Watts, 1928 1 kW. First radio station founded by Chinese.
5705:
5642:
4950:
3649:
3494:
3004:
2591:
2459:
2437:
2180:
2689:. Australia's first commercial station. Burgin Electric Company.
2485:
5647:
4236:
Radio broadcast-Volume 1-Radio Has Gripped Chicago-pages 503–511
3791:
First national radio network in North America. Developed by the
3678:
3629:
3583:
3570:
3546:
3401:
3305:
3023:
2999:
2616:
2530:
2079:
1732:
1638:
1442:
647:
4751:
4646:"WESTINGHOUSE INTERNATIONAL STATIONS: UNDER NEW CALL LETTERS",
383:
or by Prof. Bragg in conjunction with G.W. Selby of Melbourne.
4893:
4414:"Shortwave Central: The Story of Radio Broadcasting in Ceylon"
4007:"TIME LINE – ESTABLISHMENT OF WIRELESS INSTITUTE OF AUSTRALIA"
3838:
3217:
3145:
2815:
2809:
2774:
2702:
1984:
1979:
1818:
1813:
1795:
1790:
1686:
1681:
1582:
1577:
1333:
1166:
1161:
1089:
1013:
963:
220:
119:
69:
28:
3515:
6.095 MHz (primarily), 11.810 MHz, 24.380 MHz
4741:, Provincial Archives of Alberta. Retrieved 22 January 2008
4047:
3969:"Memórias de um Jornalista – Atualidades do mundo da Saúde"
3137:
AM 279 kHz, 1927 also 1004 kHz, today FM network
1016:(Marconi experimental station with a regular news service)
846:
First direct communication Australia to the United Kingdom
613:
August 1914 – 1 December 1919 – May 1922 – 29 January 2010
99:
by adding inclusion criteria, or discuss this issue on the
4129:
4127:
1509:
1328:
New Zealand's first regular broadcasts of voice and music
585:
AM 740 kHz (Originally used 15 watts modulated with
4660:
http://explorepahistory.com/hmarker.php?markerId=1-A-3A5
3518:
25 watt (initially), 200 watts (1031), 500 watts (1932)
924:). Also, it is one of the oldest stations in the world.
4572:
4570:
4518:
4516:
4099:
4097:
4095:
1078:
Summer 1920, granted broadcasting station license 1921
237:
96:
2068:
1923 (experimental), 1925 (official launch) – present
1295:
AM 560 kHz, 570 kHz, 1020 kHz (Chicago)
4674:(1923-Current file); New York, N.Y. 17 Aug 1930: 120.
930:
First Australian experiment in the broadcast of music
4118:"The 100th Anniversary of KJR Seattle, 1919 to 2019"
5729:
5666:
5588:
5552:
5509:
5450:
5384:
5093:
4785:
3134:21 July 1923, from 1930 part of Dutch Public Radio
437:
First official Morse Code transmission in Australia
260:
4360:"United States Pioneer Broadcast Service Stations"
4148:
4146:
3057:1916 sporadically, then 1919–1920 till April 1925
3393:15,210 kHz, 11,880 kHz, 6,140 kHz
4448:: CS1 maint: bot: original URL status unknown (
4035:List of Wireless-Telegraph Stations of the World
3988:
3986:
1718:18 December 1920, License granted 10 April 1922
1055:Continued daily commercial broadcast up to 1997
4550:The Magic Spark: 50 Years of Radio in Australia
2316:50 Watts (1923). First radio station in China.
1478:February 1922, some sources cite 18 March 1922
1180:21 April 1921 (as 9YK); 23 March 1922 (as WEW)
4650:(1933-1950); Jerusalem, Israel 22 Sep 1939: 7.
4430:. Archived from the original on 20 August 2008
2735:AM 1130 kHz, presently on 1300 kHz,
2521:St. John's, Newfoundland and Labrador, Canada
4763:
4544:
4542:
4540:
4538:
4536:
4534:
4532:
1697:AM 640 kHz, founded by Earle C. Anthony
1205:4 August 1921 (broadcasts date back to 1920)
549: ? kHz (approximately) now airs on 90.3
8:
3950:
3948:
3946:
3944:
3691:Originally on FM 48.5 MHz, now FM 99.5
2701:AM 870 kHz. (Wavelength later taken by
2443:Originally AM 870 kHz, AM 890 kHz
186:was made from a temporary station set up by
5778:Global telecommunications regulation bodies
3782:Canadian National Railway Radio Department
3206:1927, from 1930 part of Dutch Public radio
2798:Does not appear to have actually broadcast
2234:first private public broadcasting station.
63:Learn how and when to remove these messages
5814:
4770:
4756:
4748:
4606:, privately published Gosford NSW, page 28
4593:, privately published Gosford NSW, page 74
4580:, privately published Gosford NSW, page 47
4526:, privately published Gosford NSW, page 27
4507:"Radiopioneerit tamperelaisella ullakolla"
4140:, 26 October 1919, Sixth section, page 13.
4107:, privately published Gosford NSW, page 25
1127:27 October 1920 (Aired as 8ZZ that night)
182:It is generally recognised that the first
4685:"The Canadian Northern Messenger Service"
4159:, 25 January 1920, Fifth section, page 9.
4153:"Wireless Phone Installed by Local Firm"
3908: – List of specific models of radios
170:Learn how and when to remove this message
4380:"New Stations: Commercial Land Stations"
4169:"New Stations: Commercial Land Stations"
3727:
3246:
3154:(Irish national radio & television)
960:Doubleday-Hill radio department station
396:Experimental. Disputed in some sources.
4200:Revista Telegráfica, May 1923, Page 134
3940:
511:New York City, New York, United States
262:Experimental and early radio stations (
4441:
4344:: CS1 maint: archived copy as title (
4337:
4187:, "The Radio Amateur" by C. E. Urban,
4155:, "The Radio Amateur" by C. E. Urban,
4136:, "The Radio Amateur" by C. E. Urban,
4021:, 2002, privately published Dural, NSW
3248:Experimental or early radio stations (
1351:Australia's first experimental station
5870:History-related lists of superlatives
4604:On the Air – Australian Radio History
4591:On the Air – Australian Radio History
4578:On the Air – Australian Radio History
4552:, The Hawthorn Press, Melbourne, 1973
4524:On the Air – Australian Radio History
4248:"New KYW Opens December 3rd (page 4)"
4105:On the Air – Australian Radio History
3486:Various FM frequencies province-wide
2791:April 1924 to early 1925. One of six
1062:5 Watts initially, 500 Watts by 1921
404:, first trans-Atlantic transmission.
7:
5824:
4217:. Canadian Communications Foundation
3811:Northeast and Midwest United States
3049:February 1922 (and WARC March 1925)
1969:concurrently FM 91.9 MHz (1954–1990)
1957:450 metres (666 kHz) (ca.1923–1925),
1512:, Colorado's First Station, Class-B
532:Professor Dr. Charles Aaron Culver)
91:Manual of Style for standalone lists
3664:42.8 MHz, later 44.1 MHz
3319:6 November 1919 – 11 November 1924
2698:7 November 1924 to 6 November 1929
2507:currently AM 1116 kHz (269 m)
4253:. The Microphone. 24 November 1934
4031:"United States: Brant Rock, Mass."
3833:by the end of 1925 under the name
3508:April 1930 – 1938 – used to relay
3349:"6 months before KDKA" (May 1920)
2916:Class-B. Final broadcast in 2012.
2503:originally AM 1500 kHz (200m)
2058:Sri Lanka Broadcasting Corporation
1289:Philadelphia, Pennsylvania (1965)
25:
4037:(1 August 1907 edition), page 24.
4019:When Radio Was The Cat's Whiskers
3994:"The Nobel Prize in Physics 1909"
3378:Westinghouse Electric Corporation
1879:AM 1380 kHz (1958–present)
918:Rádio Sociedade do Rio de Janeiro
469:experimental alternator station)
143:Please discuss this issue on the
44:This article has multiple issues.
5823:
5813:
5804:
5803:
5792:
5413:Free-space optical communication
4689:Wavescan (Adventist World Radio)
4215:History of Canadian Broadcasting
3922:
3766:British Broadcasting Corporation
3688:1939, 20 November 1940 as W2XOY
1853:22 June 1922 — 1 September 1933
1301:AM 1060 kHz (Philadelphia)
224:
124:
74:
33:
3835:Broadcasting Company of America
3807:Broadcasting Company of America
3031:30 June 1928 (GOW, now RTHK 3)
1782:AM 1160 kHz(1941–present)
1357:Radio Journal de la Tour Eiffel
1297:AM 1020 kHz (Philadelphia)
1000:28 October 1919 (Experimental),
827:University of Wisconsin–Madison
358:Broadcast across his garden in
135:inclusion or exclusion of items
52:or discuss these issues on the
3841:in 1926 and merged with RCA's
2505:later AM 1223 kHz (245 m)
2209:Instituto Mexicano de la Radio
672:, & moved in 1983 to 89.7
1:
4272:KYW Newsradio Station History
4185:"Radiophone Concert Schedule"
3847:National Broadcasting Company
3374:November 1920 – December 1939
2332:12 December 1923. One of six
2287:23 November 1923. One of six
1429:1420 kHz (1942–present)
1299:AM 1100 kHz (Cleveland))
257:AM on mediumwave and longwave
5799:Telecommunication portal
5580:Telecommunications equipment
3752:British Broadcasting Company
3185:NDO, 50% time KRO, 50% NCRV
2760:13 October 1924. One of six
2411:26 January 1924. One of six
520: ? kHz (approximately)
491:50 kHz (approximately)
5316:Alexander Stepanovich Popov
4729:, 1 December 1940, page 76.
3821:-owned radio stations with
3671:W2XDA (Schenectady)/W2XOY (
3407:Radio Netherlands Worldwide
2858:Bataviase Radio Vereniging
2539:Unione Radiofonica Italiana
2276:; 2BL as from 1 March 1924
1756:AM 1150 kHz (1941—present)
1406:AM 1230 kHz 1941–1952
982:(Experimental Czech tests)
974:Currently AM 1410 kHz
813:converted ship transmitter
749:(see also Lee de Forest .)
668:, switched in 1975 to 90.9
579:/San Francisco, California
5886:
5020:Telecommunications history
4709:Clarricoats, John (1967).
4468:Radio Prague International
4175:, 1 November 1921, page 2.
3894:FM broadcasting in the USA
3882:Extended AM broadcast band
3484:AM 580 kHz (Edmonton)
3476:(broadcast province-wide)
3449:Caterham, Surrey, England
3174:AM 380 kHz, and from
3060:? – later on 833 kHz
2572:, Colorado, United States
2173:Český rozhlas Radiožurnál
1404:AM 1200 kHz 1928–1941
1341:Charles Maclurcan; Sydney
86:precise inclusion criteria
5787:
5628:Public Switched Telephone
5440:telecommunication circuit
5401:Fiber-optic communication
5146:Francis Blake (telephone)
4941:Optical telecommunication
4711:World at their fingertips
4292:"Robert Jack (physicist)"
4134:"Telephone Downtown Soon"
3971:(in Brazilian Portuguese)
3912:Oldest television station
3793:Canadian National Railway
3589:51.4 & 41.0 MHz
3148:(Irish Free State radio)
2874:, Dutch East Indies (now
2071:"Long wave" 375 kHz
1714:Charlotte, North Carolina
1277:Chicago, Illinois (1921)
968:Pittsburgh, Pennsylvania
897:Rádio Clube de Pernambuco
5539:Orbital angular-momentum
4976:Satellite communications
4815:Communications satellite
4713:, pub. RSGB, pp. 130–132
4397:"Radio Service Bulletin"
4386:, April 1, 1922, page 2.
4189:Pittsburgh Gazette Times
4157:Pittsburgh Gazette Times
4138:Pittsburgh Gazette Times
3541:10 kW (originally)
3370:Pittsburgh, Pennsylvania
3112:HDO, later ANDO and AVRO
3075:City College of New York
2556:AM 705 (425m) kHz
2468:4 June 1924. One of six
2083:William Knox BrookVille
1971:(now FM 101.9 MHz)
1965:AM 1510 kHz (1933–1941),
1959:AM 1120 kHz (1925–1930),
1872:Everett, Washington, USA
1785:Class A (Clear channel)
1691:Los Angeles, California
1667:Los Angeles, California
1402:AM 618 kHz (1922–?)
1395:Rapid City, South Dakota
1253:San Nicolás de los Garza
1075:Los Angeles, California
990:(Petřín Lookout Tower),
420:St. John's, Newfoundland
324:Roberto Landell de Moura
5860:Timelines of mass media
5855:Lists of radio stations
5418:Molecular communication
5241:Gardiner Greene Hubbard
5070:Undersea telegraph line
4805:Cable protection system
3872:History of broadcasting
2094:Whitewater Broadcasting
1967:AM 1490 kHz (1941–1990)
1961:AM 930 kHz (1930–1933),
1800:London, United Kingdom
1754:AM 1120 kHz (1933–1941)
1750:AM 1120 kHz (1930–1931)
5560:Communication protocol
5346:Charles Sumner Tainter
5161:Walter Houser Brattain
5106:Edwin Howard Armstrong
4914:Information revolution
4493:10 August 2013 at the
4488:About XEB (in Spanish)
4384:Radio Service Bulletin
4277:7 January 2007 at the
4173:Radio Service Bulletin
3958:, Australia Post, 1991
3593:Apex (ultra-shortwave)
3437:30.2 metres shortwave
3376:Owned and operated by
3345:Fort Collins, Colorado
3322:Narrow-band FM, 570 m
3285:Transmission frequency
3140:500 W, 1927 5 kW
3097:New Rochelle, New York
3053:Medford, Massachusetts
2803:Arthur William Jarrett
2727:Grand Rapids, Michigan
2194:292 kHz (1025 m)
2112:(Chile Radio Company)
2101:AM 1000 kHz 24/7
1752:AM 630 kHz (1931–1933)
1748:AM 880 kHz (1925–1930)
1745:410 metres (1922–1925)
1413:9-BC, 9-XR, 9-BY, WOC
1379:115 kHz (2600 m)
381:University of Adelaide
303:Transmission frequency
5534:Polarization-division
5266:Narinder Singh Kapany
5231:Erna Schneider Hoover
5151:Jagadish Chandra Bose
5131:Alexander Graham Bell
4862:online video platform
4723:"Carnival Atmosphere"
4464:"Czech Radio history"
4428:"Czech Radio history"
3729:Early radio networks
3684:Schenectady, New York
3635:Hartford, Connecticut
3607:Paxton, Massachusetts
3384:, and also broadcast
2980:Chatham-Kent, Ontario
2037:San Juan, Puerto Rico
2014:Yankton, South Dakota
1963:AM 915 kHz (c. 1933),
1448:Saint Paul, Minnesota
1319:Dunedin, New Zealand
1282:, Pennsylvania (1934)
724:Various frequencies,
692:Schenectady, New York
657:Schenectady, New York
447:Queenscliff, Victoria
338:and Alto de Santana)
5376:Vladimir K. Zworykin
5336:Almon Brown Strowger
5306:Charles Grafton Page
4961:Prepaid mobile phone
4889:Electrical telegraph
3956:Golden Days of Radio
3817:Regional network of
3708:Nashville, Tennessee
3626:W1XPW, briefly W65H
2399:3RN, Radio National
2383:19 September 1924.;
2326:2RN, Radio National
1776:, Utah and vicinity
716:Pierre, South Dakota
664:Various Frequencies
577:San Jose, California
238:adding missing items
97:improve this article
89:as described in the
18:Oldest radio station
5326:Johann Philipp Reis
5085:Wireless revolution
5047:The Telephone Cases
4904:Hydraulic telegraph
4120:. 24 December 2019.
3730:
3482:500-watt (Original)
3468:CKUA Radio Network
3452:11 September 1927.
3257:
3158:General Post Office
2905:Quebec City, Quebec
2901:Quebec City, Quebec
2756:Victoria, Australia
2407:Victoria, Australia
2358:22 December 1923.;
2201:CYB "El Buen Tono"
1882:Class B (Regional)
1474:Ridgewood, New York
1040:LOR Radio Argentina
988:Petřínská rozhledna
794:General Post Office
786:Irish rebel station
502:(laboratory in the
451:Devonport, Tasmania
377:William Henry Bragg
275:
204:James Clerk Maxwell
139:length of this list
5524:Frequency-division
5501:Telephone exchange
5371:Charles Wheatstone
5301:Jun-ichi Nishizawa
5276:Innocenzo Manzetti
5211:Reginald Fessenden
4946:Optical telegraphy
4779:Telecommunications
4672:The New York Times
4648:The Palestine Post
3728:
3657:Alpine, New Jersey
3396:40 kW (1937)
3387:Northern Messenger
3247:
2931:Kaunas, Lithuania
2864:stations (part of
2748:774 ABC Melbourne
2732:16 September 1924
2433:Chicago, Illinois
2369:19 September 1924
2220:23 September 1923
1905:12 September 1922
1738:Hamilton, Ontario
1643:Chicago, Illinois
1249:Same as original.
1229:19 September 1921
1220:Same as original.
1118:same as original.
1099:Detroit, Michigan
977:Currently Class D
901:same name as well
831:Madison, Wisconsin
467:Reginald Fessenden
261:
236:; you can help by
211:radio broadcasting
196:André-Marie Ampère
184:radio transmission
137:from this list or
5837:
5836:
5575:Store and forward
5570:Data transmission
5484:Network switching
5435:Transmission line
5281:Guglielmo Marconi
5246:Internet pioneers
5111:Mohamed M. Atalla
5080:Whistled language
4739:CNR Company Fonds
4509:. 21 August 2013.
3867:Timeline of radio
3853:
3852:
3721:
3720:
3578:Buffalo, New York
3559:25 December 1931
3536:12 February 1931
3479:27 November 1927
3455:23 and 33 metres
3364:WPIT (1939-1940)
3362:W8XK (1929-1939),
3240:
3239:
3231:27 February 1935
2959:AM 1071 kHz
2937:AM 1961 kHz
2826:AM 1025 kHz
2795:system stations.
2764:system stations;
2566:same as original
2486:Radio Bloemendaal
2472:system stations;
2464:Western Australia
2415:system stations;
2336:system stations;
2313:AM 1500 kHz
2291:system stations;
2223:AM 1220 kHz
2149:Dutch East Indies
2090:Richmond, Indiana
2033:same as original
2018:25 November 1922
2010:same as original
1995:15 November 1922
1992:, United Kingdom
1949:Kingston, Ontario
1892:same as original
1826:, United Kingdom
1721:AM 1110 kHz
1613:same as original
1522:Same as original
1494:same as original
1322:17 November 1921
1292:11 November 1921
1274:same as original
1261:AM 1420 kHz
1232:AM 1030 kHz
1208:AM 1310 kHz
1130:AM 1020 kHz
1081:AM 1070 kHz
1028:23 February 1920
1025:, Essex, England
971:19 November 1919
883:Seattle, WA, USA
777:AM 1020 kHz
696:20 February 1922
610:, Quebec, Canada
587:Carbon microphone
538:Beloit, Wisconsin
402:Guglielmo Marconi
351:Guglielmo Marconi
254:
253:
188:Guglielmo Marconi
180:
179:
172:
162:
161:
118:
117:
83:This list has no
67:
16:(Redirected from
5877:
5850:History of radio
5827:
5826:
5817:
5816:
5807:
5806:
5797:
5796:
5795:
5668:Notable networks
5658:Wireless network
5598:Cellular network
5590:Types of network
5565:Computer network
5452:Network topology
5366:Thomas A. Watson
5221:Oliver Heaviside
5206:Philo Farnsworth
5181:Daniel Davis Jr.
5156:Charles Bourseul
5116:John Logie Baird
4825:Data compression
4820:Computer network
4772:
4765:
4758:
4749:
4742:
4736:
4730:
4720:
4714:
4707:
4701:
4700:
4698:
4696:
4681:
4675:
4668:
4662:
4657:
4651:
4644:
4638:
4637:
4628:"History of RTÉ"
4624:
4618:
4613:
4607:
4600:
4594:
4587:
4581:
4574:
4565:
4559:
4553:
4546:
4527:
4520:
4511:
4510:
4503:
4497:
4485:
4479:
4478:
4476:
4474:
4460:
4454:
4453:
4447:
4439:
4437:
4435:
4424:
4418:
4417:
4416:. 10 April 2012.
4410:
4404:
4403:
4401:
4393:
4387:
4377:
4371:
4370:
4368:
4366:
4356:
4350:
4349:
4343:
4335:
4333:
4331:
4322:. Archived from
4316:
4310:
4309:
4302:
4296:
4295:
4288:
4282:
4269:
4263:
4262:
4260:
4258:
4252:
4244:
4238:
4233:
4227:
4226:
4224:
4222:
4207:
4201:
4198:
4192:
4182:
4176:
4166:
4160:
4150:
4141:
4131:
4122:
4121:
4114:
4108:
4101:
4090:
4087:
4081:
4078:
4072:
4069:
4063:
4062:
4060:
4058:
4044:
4038:
4028:
4022:
4015:
4009:
4004:
3998:
3997:
3990:
3981:
3980:
3978:
3976:
3965:
3959:
3952:
3929:Radio portal
3927:
3926:
3925:
3862:History of radio
3731:
3613:, Massachusetts
3414:Laboratories at
3258:
3178:AM612 kHz,
3162:O'Connell Street
3077:, New York City
3013:AM 711 kHz
2988:AM 630 kHz
2976:Chatham, Ontario
2944:XOH, later COHB
2922:Lietuvos Radijas
2913:AM 800 kHz
2851:AM 594 kHz
2823:26 January 1925
2767:AM 175 kHz
2729:, United States
2587:Statsradiofonien
2531:VOWR - Knowledge
2475:AM 240 kHz
2418:AM 625 kHz
2386:AM 684 kHz
2361:AM 729 kHz
2339:AM 273 kHz
2307:Shanghai, China
2294:AM 855 kHz
2280:ABC Radio Sydney
2255:1 November 1923
2127:AM 660 kHz
2044:AM 580 kHz
2041:3 December 1922
2021:AM 570 kHz
1908:AM 730 kHz
1900:Montreal, Québec
1625:AM 870 kHz
1596:AM 700 kHz
1569:AM 610 kHz
1510:www.KLZradio.com
1481:AM 833 kHz
1455:AM 770 kHz
1452:13 January 1922
1347:AM 214 kHz
1226:, Massachusetts
1183:AM 770 kHz
1147:Toronto, Canada
1105:AM 950 kHz
1059:AM 857 kHz
1031:AM 107 kHz
1005:AM ??? kHz
913:AM 720 kHz
838:AM 970 kHz
798:Sackville Street
699:AM 810 kHz
540:, United States
482:, United States
276:
249:
246:
228:
227:
221:
192:Alessandro Volta
175:
168:
157:
154:
148:
128:
127:
120:
113:
110:
104:
78:
77:
70:
59:
37:
36:
29:
21:
5885:
5884:
5880:
5879:
5878:
5876:
5875:
5874:
5840:
5839:
5838:
5833:
5793:
5791:
5783:
5725:
5662:
5584:
5548:
5505:
5454:
5446:
5387:
5380:
5286:Robert Metcalfe
5141:Tim Berners-Lee
5089:
4909:Information Age
4781:
4776:
4746:
4745:
4737:
4733:
4721:
4717:
4708:
4704:
4694:
4692:
4683:
4682:
4678:
4669:
4665:
4658:
4654:
4645:
4641:
4626:
4625:
4621:
4614:
4610:
4601:
4597:
4588:
4584:
4575:
4568:
4564:, shtong.gov.cn
4560:
4556:
4547:
4530:
4521:
4514:
4505:
4504:
4500:
4495:Wayback Machine
4486:
4482:
4472:
4470:
4462:
4461:
4457:
4440:
4433:
4431:
4426:
4425:
4421:
4412:
4411:
4407:
4399:
4395:
4394:
4390:
4378:
4374:
4364:
4362:
4358:
4357:
4353:
4336:
4329:
4327:
4320:"Archived copy"
4318:
4317:
4313:
4304:
4303:
4299:
4290:
4289:
4285:
4279:Wayback Machine
4270:
4266:
4256:
4254:
4250:
4246:
4245:
4241:
4234:
4230:
4220:
4218:
4209:
4208:
4204:
4199:
4195:
4183:
4179:
4167:
4163:
4151:
4144:
4132:
4125:
4116:
4115:
4111:
4102:
4093:
4088:
4084:
4079:
4075:
4070:
4066:
4056:
4054:
4046:
4045:
4041:
4029:
4025:
4017:Bernard Harte,
4016:
4012:
4005:
4001:
3992:
3991:
3984:
3974:
3972:
3967:
3966:
3962:
3954:Mimi Colligan,
3953:
3942:
3937:
3923:
3921:
3889:FM broadcasting
3877:AM broadcasting
3858:
3758:United Kingdom
3726:
3485:
3483:
3475:
3375:
3363:
3361:
3360:XS (1921-1929),
3355:HF (Shortwave)
3299:Broadcast class
3286:
3275:
3271:
3266:
3262:
3245:
3243:FM or shortwave
3196:(transmitter),
3171:1 January 1926
3124:(transmitter),
2985:September 1927
2956:1 October 1926
2787:South Australia
2622:Portland, Maine
2579:AM850 kHz
2573:
2553:6 October 1924
2550:
2506:
2504:
2497:
2193:
2092:
2082:
1970:
1968:
1966:
1964:
1962:
1960:
1958:
1954:7 October 1922
1930:4 October 1922
1876:26 August 1922
1755:
1753:
1751:
1749:
1746:
1563:, Pennsylvania
1422:Davenport, Iowa
1405:
1403:
1378:
1358:
1300:
1298:
1296:
1288:
1283:
1278:
1258:9 October 1921
1124:, Pennsylvania
1102:20 August 1920
1053:27 August 1920
1001:
868:AM 21 kHz
771:, Pennsylvania
748:
504:Parker Building
336:Paulista Avenue
317:Broadcast class
304:
293:
289:
284:
280:
259:
250:
244:
241:
225:
219:
176:
165:
164:
163:
158:
152:
149:
142:
129:
125:
114:
108:
105:
94:
79:
75:
38:
34:
23:
22:
15:
12:
11:
5:
5883:
5881:
5873:
5872:
5867:
5862:
5857:
5852:
5842:
5841:
5835:
5834:
5832:
5831:
5821:
5811:
5801:
5788:
5785:
5784:
5782:
5781:
5774:
5769:
5764:
5759:
5754:
5753:
5752:
5747:
5739:
5733:
5731:
5727:
5726:
5724:
5723:
5718:
5713:
5708:
5703:
5698:
5693:
5688:
5683:
5678:
5672:
5670:
5664:
5663:
5661:
5660:
5655:
5650:
5645:
5640:
5635:
5630:
5625:
5620:
5615:
5610:
5605:
5600:
5594:
5592:
5586:
5585:
5583:
5582:
5577:
5572:
5567:
5562:
5556:
5554:
5550:
5549:
5547:
5546:
5541:
5536:
5531:
5526:
5521:
5519:Space-division
5515:
5513:
5507:
5506:
5504:
5503:
5498:
5497:
5496:
5491:
5481:
5480:
5479:
5469:
5464:
5458:
5456:
5448:
5447:
5445:
5444:
5443:
5442:
5432:
5431:
5430:
5420:
5415:
5410:
5409:
5408:
5398:
5392:
5390:
5382:
5381:
5379:
5378:
5373:
5368:
5363:
5358:
5356:Camille Tissot
5353:
5348:
5343:
5338:
5333:
5331:Claude Shannon
5328:
5323:
5321:Tivadar Puskás
5318:
5313:
5308:
5303:
5298:
5293:
5291:Antonio Meucci
5288:
5283:
5278:
5273:
5268:
5263:
5261:Charles K. Kao
5258:
5253:
5248:
5243:
5238:
5236:Harold Hopkins
5233:
5228:
5223:
5218:
5213:
5208:
5203:
5198:
5193:
5188:
5183:
5178:
5173:
5168:
5163:
5158:
5153:
5148:
5143:
5138:
5136:Emile Berliner
5133:
5128:
5123:
5118:
5113:
5108:
5103:
5097:
5095:
5091:
5090:
5088:
5087:
5082:
5077:
5075:Videotelephony
5072:
5067:
5066:
5065:
5060:
5050:
5043:
5038:
5032:
5027:
5022:
5017:
5012:
5011:
5010:
5005:
5000:
4990:
4989:
4988:
4978:
4973:
4971:Radiotelephone
4968:
4963:
4958:
4953:
4948:
4943:
4938:
4937:
4936:
4926:
4921:
4916:
4911:
4906:
4901:
4896:
4891:
4886:
4881:
4876:
4875:
4874:
4869:
4864:
4859:
4857:Internet video
4849:
4848:
4847:
4842:
4837:
4832:
4822:
4817:
4812:
4807:
4802:
4797:
4791:
4789:
4783:
4782:
4777:
4775:
4774:
4767:
4760:
4752:
4744:
4743:
4731:
4715:
4702:
4691:. 4 March 2018
4676:
4663:
4652:
4639:
4619:
4608:
4602:Carty, Bruce,
4595:
4589:Carty, Bruce,
4582:
4576:Carty, Bruce,
4566:
4554:
4528:
4522:Carty, Bruce,
4512:
4498:
4480:
4455:
4419:
4405:
4388:
4372:
4351:
4326:on 26 May 2011
4311:
4297:
4283:
4264:
4239:
4228:
4202:
4193:
4177:
4161:
4142:
4123:
4109:
4103:Carty, Bruce,
4091:
4082:
4073:
4064:
4039:
4023:
4010:
3999:
3982:
3960:
3939:
3938:
3936:
3933:
3932:
3931:
3919:
3914:
3909:
3906:List of radios
3903:
3902:
3901:
3896:
3886:
3885:
3884:
3874:
3869:
3864:
3857:
3854:
3851:
3850:
3825:radio station
3815:
3812:
3809:
3804:
3798:
3797:
3789:
3786:
3783:
3780:
3774:
3773:
3762:
3759:
3756:
3754:
3748:
3747:
3744:
3741:
3738:
3735:
3725:
3722:
3719:
3718:
3715:
3713:
3710:
3705:
3702:
3696:
3695:
3692:
3689:
3686:
3681:
3676:
3675:), later WGFM
3668:
3667:
3665:
3662:
3659:
3654:
3652:
3646:
3645:
3643:
3640:
3637:
3632:
3627:
3623:
3622:
3619:
3617:
3614:
3604:
3602:
3596:
3595:
3590:
3587:
3580:
3575:
3573:
3567:
3566:
3563:
3560:
3557:
3555:Quito, Ecuador
3552:
3549:
3543:
3542:
3539:
3537:
3534:
3529:
3524:
3520:
3519:
3516:
3513:
3506:
3500:
3497:
3491:
3490:
3487:
3480:
3477:
3469:
3466:
3460:
3459:
3456:
3453:
3450:
3447:
3445:
3441:
3440:
3438:
3435:
3427:
3409:
3404:
3398:
3397:
3394:
3391:
3372:
3367:
3365:
3357:
3356:
3353:
3350:
3347:
3342:
3337:
3333:US Government
3327:
3326:
3323:
3320:
3317:
3316:, Netherlands
3311:
3308:
3302:
3301:
3296:
3283:
3280:
3279:City/location
3277:
3268:
3244:
3241:
3238:
3237:
3235:
3234:1287 kHz
3232:
3229:
3223:
3220:
3214:
3213:
3210:
3207:
3204:
3191:
3186:
3182:
3181:
3179:
3172:
3169:
3155:
3149:
3142:
3141:
3138:
3135:
3132:
3119:
3114:
3107:
3106:
3104:
3102:
3099:
3094:
3092:
3086:
3085:
3083:
3081:
3078:
3072:
3070:
3064:
3063:
3061:
3058:
3055:
3050:
3043:
3037:
3036:
3034:
3032:
3029:
3026:
3021:
3017:
3016:
3014:
3011:
3008:
3007:, South Korea
3002:
2997:
2993:
2992:
2989:
2986:
2983:
2973:
2970:
2964:
2963:
2960:
2957:
2954:
2948:
2945:
2941:
2940:
2938:
2935:
2932:
2929:
2924:
2918:
2917:
2914:
2911:
2908:
2898:
2893:
2887:
2886:
2884:
2882:
2879:
2869:
2859:
2855:
2854:
2852:
2849:
2848:22 March 1925
2846:
2843:
2840:
2834:
2833:
2827:
2824:
2821:
2818:
2813:
2806:
2805:
2799:
2796:
2789:
2780:
2777:
2771:
2770:
2768:
2765:
2758:
2749:
2746:
2740:
2739:
2736:
2733:
2730:
2724:
2719:
2713:
2712:
2706:
2699:
2696:
2693:
2690:
2683:
2682:
2679:
2676:
2673:
2667:
2662:
2658:
2657:
2654:
2653:"Medium wave"
2651:
2648:
2642:
2637:
2633:
2632:
2630:
2627:
2624:
2619:
2614:
2610:
2609:
2606:
2603:
2600:
2594:
2589:
2583:
2582:
2580:
2577:
2574:
2567:
2564:
2558:
2557:
2554:
2551:
2547:
2542:
2534:
2533:
2528:
2525:
2522:
2519:
2516:
2512:
2511:
2508:
2501:
2498:
2488:
2483:
2479:
2478:
2476:
2473:
2466:
2457:
2456:720 ABC Perth
2454:
2448:
2447:
2444:
2441:
2434:
2431:
2426:
2422:
2421:
2419:
2416:
2409:
2400:
2397:
2391:
2390:
2387:
2384:
2381:
2375:
2373:Radio Belgrade
2370:
2366:
2365:
2362:
2359:
2356:
2350:
2347:
2346:Radio Ibérica
2343:
2342:
2340:
2337:
2330:
2327:
2324:
2318:
2317:
2314:
2311:
2310:November 1923
2308:
2305:
2302:
2298:
2297:
2295:
2292:
2285:
2282:
2277:
2262:
2261:
2259:
2256:
2253:
2244:
2238:
2228:
2227:
2224:
2221:
2218:
2212:
2202:
2198:
2197:
2195:
2190:
2187:
2185:Czechoslovakia
2174:
2171:
2165:
2164:
2162:
2159:
2156:
2142:
2139:
2131:
2130:
2128:
2125:
2122:
2116:
2113:
2106:
2105:
2102:
2099:
2096:
2087:
2084:
2076:
2075:
2072:
2069:
2066:
2060:
2055:
2049:
2048:
2045:
2042:
2039:
2034:
2031:
2025:
2024:
2022:
2019:
2016:
2011:
2008:
2002:
2001:
1999:
1996:
1993:
1987:
1982:
1976:
1975:
1972:
1955:
1952:
1946:
1941:
1937:
1936:
1934:
1931:
1928:
1927:, New Zealand
1922:
1917:
1913:
1912:
1909:
1906:
1903:
1893:
1890:
1884:
1883:
1880:
1877:
1874:
1869:
1864:
1860:
1859:
1857:
1854:
1851:
1845:
1842:
1836:
1835:
1833:
1830:
1827:
1821:
1816:
1810:
1809:
1807:
1804:
1801:
1798:
1793:
1787:
1786:
1783:
1780:
1777:
1774:Salt Lake City
1771:
1766:
1762:
1761:
1758:
1743:
1740:
1735:
1730:
1726:
1725:
1722:
1719:
1716:
1711:
1706:
1702:
1701:
1698:
1695:
1694:16 April 1922
1692:
1689:
1684:
1678:
1677:
1674:
1671:
1670:13 April 1922
1668:
1665:
1660:
1654:
1653:
1650:
1647:
1646:13 April 1922
1644:
1641:
1636:
1630:
1629:
1626:
1623:
1622:31 March 1922
1620:
1614:
1611:
1605:
1604:
1597:
1594:
1593:23 March 1922
1591:
1585:
1580:
1574:
1573:
1570:
1567:
1566:17 March 1922
1564:
1558:
1553:
1547:
1546:
1539:
1532:
1531:15 March 1922
1529:
1523:
1520:
1514:
1513:
1507:
1504:
1503:10 March 1922
1501:
1495:
1492:
1486:
1485:
1482:
1479:
1476:
1471:
1466:
1460:
1459:
1456:
1453:
1450:
1445:
1440:
1434:
1433:
1430:
1427:
1424:
1419:
1414:
1410:
1409:
1407:
1400:
1397:
1392:
1390:
1384:
1383:
1380:
1375:
1372:
1371:Paris, France
1369:
1364:
1354:
1353:
1348:
1345:
1342:
1339:
1336:
1330:
1329:
1326:
1323:
1320:
1317:
1314:
1310:
1309:
1302:
1293:
1290:
1275:
1272:
1266:
1265:
1262:
1259:
1256:
1250:
1247:
1241:
1240:
1233:
1230:
1227:
1221:
1218:
1212:
1211:
1209:
1206:
1203:
1197:
1192:
1188:
1187:
1184:
1181:
1178:
1169:
1164:
1158:
1157:
1154:
1151:
1148:
1145:
1143:
1139:
1138:
1131:
1128:
1125:
1119:
1116:
1110:
1109:
1106:
1103:
1100:
1097:
1092:
1086:
1085:
1082:
1079:
1076:
1073:
1068:
1064:
1063:
1060:
1057:
1051:
1045:
1042:
1036:
1035:
1032:
1029:
1026:
1019:
1017:
1010:
1009:
1006:
1003:
998:
996:Czechoslovakia
985:
983:
979:
978:
975:
972:
969:
966:
961:
957:
956:
954:
951:
950:8 August 1919
948:
935:
932:
926:
925:
914:
911:
908:
907:, Pernambuco,
902:
899:
893:
892:
890:
887:
884:
881:
876:
872:
871:
869:
866:
863:
850:
847:
843:
842:
839:
836:
833:
824:
819:
815:
814:
811:
808:
807:24 April 1916
805:
791:
788:
782:
781:
778:
775:
772:
766:
761:
751:
750:
745:
742:
739:
738:New York City
736:
734:
728:
727:
725:
722:
718:
713:
708:
704:
703:
700:
697:
694:
689:
684:
680:
679:
676:
662:
659:
650:
645:
641:
640:
633:
614:
611:
605:
600:
594:
593:
590:
583:
580:
574:
569:
562:FN/SJN/6XF/6XE
558:
557:
554:
544:
541:
535:
533:
530:Beloit College
525:
524:
521:
515:
512:
509:
507:
496:
495:
492:
486:
483:
473:
470:
462:
461:
458:
456:
453:
443:
440:
432:
431:
428:
426:
425:December 1901
423:
414:, Cornwall to
408:
405:
398:
397:
394:
392:
389:
387:
384:
372:
371:
368:
366:
363:
356:
353:
347:
346:
344:
342:
339:
329:
326:
320:
319:
314:
301:
298:
297:City/location
295:
286:
258:
255:
252:
251:
231:
229:
218:
215:
178:
177:
160:
159:
132:
130:
123:
116:
115:
82:
80:
73:
68:
42:
41:
39:
32:
24:
14:
13:
10:
9:
6:
4:
3:
2:
5882:
5871:
5868:
5866:
5865:Oldest things
5863:
5861:
5858:
5856:
5853:
5851:
5848:
5847:
5845:
5830:
5822:
5820:
5812:
5810:
5802:
5800:
5790:
5789:
5786:
5779:
5775:
5773:
5770:
5768:
5765:
5763:
5760:
5758:
5755:
5751:
5748:
5746:
5743:
5742:
5740:
5738:
5735:
5734:
5732:
5728:
5722:
5719:
5717:
5714:
5712:
5709:
5707:
5704:
5702:
5699:
5697:
5694:
5692:
5689:
5687:
5684:
5682:
5679:
5677:
5674:
5673:
5671:
5669:
5665:
5659:
5656:
5654:
5651:
5649:
5646:
5644:
5641:
5639:
5636:
5634:
5631:
5629:
5626:
5624:
5621:
5619:
5616:
5614:
5611:
5609:
5606:
5604:
5601:
5599:
5596:
5595:
5593:
5591:
5587:
5581:
5578:
5576:
5573:
5571:
5568:
5566:
5563:
5561:
5558:
5557:
5555:
5551:
5545:
5544:Code-division
5542:
5540:
5537:
5535:
5532:
5530:
5529:Time-division
5527:
5525:
5522:
5520:
5517:
5516:
5514:
5512:
5508:
5502:
5499:
5495:
5492:
5490:
5487:
5486:
5485:
5482:
5478:
5475:
5474:
5473:
5470:
5468:
5465:
5463:
5460:
5459:
5457:
5455:and switching
5453:
5449:
5441:
5438:
5437:
5436:
5433:
5429:
5426:
5425:
5424:
5421:
5419:
5416:
5414:
5411:
5407:
5406:optical fiber
5404:
5403:
5402:
5399:
5397:
5396:Coaxial cable
5394:
5393:
5391:
5389:
5383:
5377:
5374:
5372:
5369:
5367:
5364:
5362:
5359:
5357:
5354:
5352:
5349:
5347:
5344:
5342:
5339:
5337:
5334:
5332:
5329:
5327:
5324:
5322:
5319:
5317:
5314:
5312:
5311:Radia Perlman
5309:
5307:
5304:
5302:
5299:
5297:
5294:
5292:
5289:
5287:
5284:
5282:
5279:
5277:
5274:
5272:
5269:
5267:
5264:
5262:
5259:
5257:
5254:
5252:
5249:
5247:
5244:
5242:
5239:
5237:
5234:
5232:
5229:
5227:
5224:
5222:
5219:
5217:
5214:
5212:
5209:
5207:
5204:
5202:
5201:Lee de Forest
5199:
5197:
5196:Thomas Edison
5194:
5192:
5189:
5187:
5186:Donald Davies
5184:
5182:
5179:
5177:
5174:
5172:
5171:Claude Chappe
5169:
5167:
5164:
5162:
5159:
5157:
5154:
5152:
5149:
5147:
5144:
5142:
5139:
5137:
5134:
5132:
5129:
5127:
5124:
5122:
5119:
5117:
5114:
5112:
5109:
5107:
5104:
5102:
5099:
5098:
5096:
5092:
5086:
5083:
5081:
5078:
5076:
5073:
5071:
5068:
5064:
5061:
5059:
5056:
5055:
5054:
5051:
5049:
5048:
5044:
5042:
5039:
5036:
5033:
5031:
5028:
5026:
5023:
5021:
5018:
5016:
5015:Smoke signals
5013:
5009:
5006:
5004:
5001:
4999:
4996:
4995:
4994:
4993:Semiconductor
4991:
4987:
4984:
4983:
4982:
4979:
4977:
4974:
4972:
4969:
4967:
4964:
4962:
4959:
4957:
4954:
4952:
4949:
4947:
4944:
4942:
4939:
4935:
4932:
4931:
4930:
4927:
4925:
4922:
4920:
4917:
4915:
4912:
4910:
4907:
4905:
4902:
4900:
4897:
4895:
4892:
4890:
4887:
4885:
4882:
4880:
4877:
4873:
4870:
4868:
4865:
4863:
4860:
4858:
4855:
4854:
4853:
4852:Digital media
4850:
4846:
4843:
4841:
4838:
4836:
4833:
4831:
4828:
4827:
4826:
4823:
4821:
4818:
4816:
4813:
4811:
4808:
4806:
4803:
4801:
4798:
4796:
4793:
4792:
4790:
4788:
4784:
4780:
4773:
4768:
4766:
4761:
4759:
4754:
4753:
4750:
4740:
4735:
4732:
4728:
4724:
4719:
4716:
4712:
4706:
4703:
4690:
4686:
4680:
4677:
4673:
4667:
4664:
4661:
4656:
4653:
4649:
4643:
4640:
4635:
4634:
4629:
4623:
4620:
4617:
4612:
4609:
4605:
4599:
4596:
4592:
4586:
4583:
4579:
4573:
4571:
4567:
4563:
4558:
4555:
4551:
4545:
4543:
4541:
4539:
4537:
4535:
4533:
4529:
4525:
4519:
4517:
4513:
4508:
4502:
4499:
4496:
4492:
4489:
4484:
4481:
4469:
4465:
4459:
4456:
4451:
4445:
4429:
4423:
4420:
4415:
4409:
4406:
4398:
4392:
4389:
4385:
4381:
4376:
4373:
4361:
4355:
4352:
4347:
4341:
4325:
4321:
4315:
4312:
4307:
4301:
4298:
4293:
4287:
4284:
4280:
4276:
4273:
4268:
4265:
4249:
4243:
4240:
4237:
4232:
4229:
4216:
4212:
4206:
4203:
4197:
4194:
4190:
4186:
4181:
4178:
4174:
4170:
4165:
4162:
4158:
4154:
4149:
4147:
4143:
4139:
4135:
4130:
4128:
4124:
4119:
4113:
4110:
4106:
4100:
4098:
4096:
4092:
4086:
4083:
4077:
4074:
4068:
4065:
4053:
4049:
4043:
4040:
4036:
4032:
4027:
4024:
4020:
4014:
4011:
4008:
4003:
4000:
3995:
3989:
3987:
3983:
3970:
3964:
3961:
3957:
3951:
3949:
3947:
3945:
3941:
3934:
3930:
3920:
3918:
3915:
3913:
3910:
3907:
3904:
3900:
3897:
3895:
3892:
3891:
3890:
3887:
3883:
3880:
3879:
3878:
3875:
3873:
3870:
3868:
3865:
3863:
3860:
3859:
3855:
3848:
3844:
3840:
3836:
3832:
3828:
3824:
3823:New York City
3820:
3816:
3813:
3810:
3808:
3805:
3803:
3800:
3799:
3794:
3790:
3787:
3784:
3781:
3779:
3776:
3775:
3771:
3767:
3763:
3760:
3757:
3755:
3753:
3750:
3749:
3745:
3742:
3739:
3736:
3733:
3732:
3723:
3716:
3714:
3712:1941 to 1951
3711:
3709:
3706:
3703:
3701:
3698:
3697:
3693:
3690:
3687:
3685:
3682:
3680:
3677:
3674:
3670:
3669:
3666:
3663:
3660:
3658:
3655:
3653:
3651:
3648:
3647:
3644:
3641:
3638:
3636:
3633:
3631:
3628:
3625:
3624:
3620:
3618:
3615:
3612:
3608:
3605:
3603:
3601:
3598:
3597:
3594:
3591:
3588:
3585:
3581:
3579:
3576:
3574:
3572:
3569:
3568:
3564:
3561:
3558:
3556:
3553:
3550:
3548:
3545:
3544:
3540:
3538:
3535:
3533:
3530:
3528:
3527:Vatican Radio
3525:
3522:
3521:
3517:
3514:
3511:
3507:
3504:
3501:
3498:
3496:
3493:
3492:
3488:
3481:
3478:
3473:
3470:
3467:
3465:
3462:
3461:
3457:
3454:
3451:
3448:
3446:
3443:
3442:
3439:
3436:
3433:
3428:
3425:
3421:
3417:
3413:
3410:
3408:
3405:
3403:
3400:
3399:
3395:
3392:
3389:
3388:
3383:
3379:
3373:
3371:
3368:
3366:
3359:
3358:
3354:
3351:
3348:
3346:
3343:
3341:
3338:
3336:
3332:
3329:
3328:
3324:
3321:
3318:
3315:
3312:
3309:
3307:
3304:
3303:
3300:
3297:
3294:
3290:
3284:
3281:
3278:
3274:
3269:
3265:
3260:
3259:
3255:
3251:
3242:
3236:
3233:
3230:
3227:
3224:
3221:
3219:
3216:
3215:
3211:
3208:
3205:
3203:
3199:
3195:
3192:
3190:
3187:
3184:
3183:
3180:
3177:
3173:
3170:
3167:
3163:
3159:
3156:
3153:
3150:
3147:
3144:
3143:
3139:
3136:
3133:
3131:
3127:
3123:
3120:
3118:
3115:
3113:
3109:
3108:
3105:
3103:
3100:
3098:
3095:
3093:
3091:
3088:
3087:
3084:
3082:
3079:
3076:
3073:
3071:
3069:
3066:
3065:
3062:
3059:
3056:
3054:
3051:
3048:
3044:
3042:
3039:
3038:
3035:
3033:
3030:
3027:
3025:
3022:
3019:
3018:
3015:
3012:
3009:
3006:
3003:
3001:
2998:
2995:
2994:
2990:
2987:
2984:
2981:
2977:
2974:
2971:
2969:
2966:
2965:
2961:
2958:
2955:
2952:
2949:
2946:
2943:
2942:
2939:
2936:
2934:26 June 1926
2933:
2930:
2928:
2925:
2923:
2920:
2919:
2915:
2912:
2910:1 April 1926
2909:
2906:
2902:
2899:
2897:
2894:
2892:
2889:
2888:
2885:
2883:
2881:16 June 1925
2880:
2878:, Indonesia)
2877:
2873:
2870:
2867:
2863:
2860:
2857:
2856:
2853:
2850:
2847:
2845:Tokyo, Japan
2844:
2841:
2839:
2836:
2835:
2831:
2828:
2825:
2822:
2819:
2817:
2814:
2811:
2808:
2807:
2804:
2800:
2797:
2794:
2790:
2788:
2784:
2781:
2778:
2776:
2773:
2772:
2769:
2766:
2763:
2759:
2757:
2753:
2750:
2747:
2745:
2742:
2741:
2737:
2734:
2731:
2728:
2725:
2723:
2720:
2718:
2715:
2714:
2711:, commercial
2710:
2707:
2704:
2700:
2697:
2694:
2691:
2688:
2685:
2684:
2680:
2677:
2674:
2671:
2668:
2666:
2665:Radio Romania
2663:
2660:
2659:
2655:
2652:
2649:
2646:
2643:
2641:
2638:
2635:
2634:
2631:
2628:
2625:
2623:
2620:
2618:
2615:
2612:
2611:
2607:
2604:
2601:
2598:
2595:
2593:
2590:
2588:
2585:
2584:
2581:
2578:
2575:
2571:
2568:
2565:
2563:
2560:
2559:
2555:
2552:
2548:
2546:
2543:
2540:
2536:
2535:
2532:
2529:
2526:
2524:24 July 1924
2523:
2520:
2517:
2514:
2513:
2509:
2502:
2500:15 June 1924
2499:
2496:
2492:
2489:
2487:
2484:
2481:
2480:
2477:
2474:
2471:
2467:
2465:
2461:
2458:
2455:
2453:
2450:
2449:
2445:
2442:
2439:
2438:Sears Roebuck
2435:
2432:
2430:
2427:
2424:
2423:
2420:
2417:
2414:
2410:
2408:
2404:
2401:
2398:
2396:
2393:
2392:
2388:
2385:
2382:
2379:
2376:
2374:
2371:
2368:
2367:
2363:
2360:
2357:
2354:
2351:
2348:
2345:
2344:
2341:
2338:
2335:
2331:
2328:
2325:
2323:
2320:
2319:
2315:
2312:
2309:
2306:
2303:
2300:
2299:
2296:
2293:
2290:
2286:
2283:
2281:
2278:
2275:
2271:
2267:
2264:
2263:
2260:
2257:
2254:
2252:
2248:
2245:
2243:
2239:
2237:
2233:
2230:
2229:
2225:
2222:
2219:
2216:
2213:
2210:
2206:
2203:
2200:
2199:
2196:
2191:
2188:
2186:
2182:
2178:
2175:
2172:
2170:
2167:
2166:
2163:
2160:
2157:
2154:
2150:
2146:
2143:
2140:
2137:
2136:Malabar Radio
2133:
2132:
2129:
2126:
2123:
2120:
2117:
2114:
2111:
2110:Radio Chilena
2108:
2107:
2103:
2100:
2097:
2095:
2091:
2088:
2085:
2081:
2078:
2077:
2073:
2070:
2067:
2064:
2061:
2059:
2056:
2054:
2051:
2050:
2046:
2043:
2040:
2038:
2035:
2032:
2030:
2027:
2026:
2023:
2020:
2017:
2015:
2012:
2009:
2007:
2004:
2003:
2000:
1997:
1994:
1991:
1988:
1986:
1983:
1981:
1978:
1977:
1973:
1956:
1953:
1950:
1947:
1945:
1942:
1939:
1938:
1935:
1932:
1929:
1926:
1923:
1921:
1918:
1915:
1914:
1910:
1907:
1904:
1901:
1897:
1894:
1891:
1889:
1886:
1885:
1881:
1878:
1875:
1873:
1870:
1868:
1865:
1862:
1861:
1858:
1855:
1852:
1849:
1846:
1843:
1841:
1838:
1837:
1834:
1831:
1828:
1825:
1822:
1820:
1817:
1815:
1812:
1811:
1808:
1805:
1802:
1799:
1797:
1794:
1792:
1789:
1788:
1784:
1781:
1778:
1775:
1772:
1770:
1767:
1764:
1763:
1759:
1757:
1744:
1741:
1739:
1736:
1734:
1731:
1728:
1727:
1723:
1720:
1717:
1715:
1712:
1710:
1707:
1704:
1703:
1699:
1696:
1693:
1690:
1688:
1685:
1683:
1680:
1679:
1675:
1672:
1669:
1666:
1664:
1661:
1659:
1656:
1655:
1651:
1648:
1645:
1642:
1640:
1637:
1635:
1632:
1631:
1627:
1624:
1621:
1618:
1615:
1612:
1610:
1607:
1606:
1602:
1601:Clear channel
1598:
1595:
1592:
1589:
1586:
1584:
1581:
1579:
1576:
1575:
1571:
1568:
1565:
1562:
1559:
1557:
1554:
1552:
1549:
1548:
1544:
1543:Clear channel
1540:
1537:
1533:
1530:
1527:
1524:
1521:
1519:
1516:
1515:
1511:
1508:
1505:
1502:
1499:
1496:
1493:
1491:
1488:
1487:
1483:
1480:
1477:
1475:
1472:
1470:
1467:
1465:
1462:
1461:
1457:
1454:
1451:
1449:
1446:
1444:
1441:
1439:
1436:
1435:
1431:
1428:
1425:
1423:
1420:
1418:
1415:
1412:
1411:
1408:
1401:
1398:
1396:
1393:
1391:
1389:
1386:
1385:
1381:
1376:
1373:
1370:
1368:
1365:
1362:
1356:
1355:
1352:
1349:
1346:
1343:
1340:
1337:
1335:
1332:
1331:
1327:
1325:experimental
1324:
1321:
1318:
1315:
1312:
1311:
1307:
1306:Clear channel
1303:
1294:
1291:
1287:, Ohio (1956)
1286:
1281:
1276:
1273:
1271:
1268:
1267:
1263:
1260:
1257:
1255:, Nuevo León
1254:
1251:
1248:
1246:
1243:
1242:
1238:
1237:Clear channel
1234:
1231:
1228:
1225:
1222:
1219:
1217:
1214:
1213:
1210:
1207:
1204:
1201:
1198:
1196:
1193:
1190:
1189:
1185:
1182:
1179:
1177:
1173:
1170:
1168:
1165:
1163:
1160:
1159:
1155:
1152:
1149:
1146:
1144:
1141:
1140:
1136:
1135:Clear channel
1132:
1129:
1126:
1123:
1120:
1117:
1115:
1112:
1111:
1107:
1104:
1101:
1098:
1096:
1093:
1091:
1088:
1087:
1083:
1080:
1077:
1074:
1072:
1069:
1066:
1065:
1061:
1058:
1056:
1052:
1049:
1046:
1043:
1041:
1038:
1037:
1033:
1030:
1027:
1024:
1020:
1018:
1015:
1012:
1011:
1007:
1004:
999:
997:
993:
989:
986:
984:
981:
980:
976:
973:
970:
967:
965:
962:
959:
958:
955:
952:
949:
947:
943:
939:
936:
933:
931:
928:
927:
923:
919:
915:
912:
909:
906:
903:
900:
898:
895:
894:
891:
888:
885:
882:
880:
877:
874:
873:
870:
867:
864:
862:
858:
854:
851:
848:
845:
844:
840:
837:
834:
832:
828:
825:
823:
820:
817:
816:
812:
809:
806:
803:
799:
795:
792:
789:
787:
784:
783:
779:
776:
773:
770:
767:
765:
762:
760:
756:
753:
752:
746:
743:
740:
737:
735:
733:
730:
729:
726:
723:
719:
717:
714:
712:
709:
706:
705:
701:
698:
695:
693:
690:
688:
685:
682:
681:
677:
675:
671:
667:
663:
660:
658:
654:
653:Union College
651:
649:
646:
643:
642:
638:
637:Clear channel
634:
631:
627:
623:
619:
615:
612:
609:
606:
604:
601:
599:
596:
595:
591:
588:
584:
581:
578:
575:
573:
570:
567:
563:
560:
559:
555:
552:
548:
545:
542:
539:
536:
534:
531:
527:
526:
522:
519:
516:
513:
510:
508:
505:
501:
500:Lee de Forest
498:
497:
493:
490:
487:
484:
481:
480:Massachusetts
477:
474:
471:
468:
464:
463:
460:Experimental
459:
457:
454:
452:
448:
444:
441:
438:
434:
433:
430:Experimental
429:
427:
424:
421:
417:
413:
409:
406:
403:
400:
399:
395:
393:
390:
388:
385:
382:
378:
374:
373:
370:Experimental
369:
367:
364:
361:
357:
354:
352:
349:
348:
345:
343:
340:
337:
333:
330:
327:
325:
322:
321:
318:
315:
312:
308:
302:
299:
296:
292:
287:
283:
278:
277:
273:
269:
265:
256:
248:
245:December 2017
239:
235:
232:This list is
230:
223:
222:
216:
214:
212:
207:
205:
201:
197:
193:
189:
185:
174:
171:
156:
146:
140:
136:
131:
122:
121:
112:
109:November 2019
102:
98:
92:
88:
87:
81:
72:
71:
66:
64:
57:
56:
51:
50:
45:
40:
31:
30:
27:
19:
5511:Multiplexing
5386:Transmission
5351:Nikola Tesla
5341:Henry Sutton
5296:Samuel Morse
5226:Robert Hooke
5191:Amos Dolbear
5126:John Bardeen
5045:
5025:Telautograph
4929:Mobile phone
4884:Edholm's law
4867:social media
4800:Broadcasting
4734:
4727:Broadcasting
4726:
4718:
4710:
4705:
4695:29 September
4693:. Retrieved
4688:
4679:
4671:
4666:
4655:
4647:
4642:
4631:
4622:
4611:
4603:
4598:
4590:
4585:
4577:
4557:
4549:
4548:R R Walker,
4523:
4501:
4483:
4471:. Retrieved
4467:
4458:
4432:. Retrieved
4422:
4408:
4391:
4383:
4375:
4363:. Retrieved
4354:
4328:. Retrieved
4324:the original
4314:
4300:
4286:
4267:
4255:. Retrieved
4242:
4231:
4219:. Retrieved
4214:
4205:
4196:
4188:
4180:
4172:
4164:
4156:
4137:
4112:
4104:
4085:
4076:
4067:
4055:. Retrieved
4051:
4042:
4034:
4026:
4018:
4013:
4002:
3973:. Retrieved
3963:
3955:
3845:to form the
3673:New Scotland
3661:1939 – 1946
3532:Vatican City
3385:
3335:Time Service
3228:, Australia
2678:"Long wave"
2640:Radio Poland
2629:"Long wave"
2605:"Long wave"
2549:Rome, Italy
2269:
2189:18 May 1923
2169:Radiojournal
2065:, Sri Lanka
2053:Radio Ceylon
1829:17 May 1922
1803:11 May 1922
1747:
1619:, Louisiana
1561:Philadelphia
1367:France Inter
1361:Eiffel Tower
1280:Philadelphia
1054:
1050:, Argentina
1048:Buenos Aires
1002:20 May 1920
629:
625:
621:
617:
568:/"San Jose"
242:
208:
181:
166:
153:January 2020
150:
141:is disputed.
138:
134:
106:
84:
60:
53:
47:
46:Please help
43:
26:
5711:NPL network
5423:Radio waves
5361:Alfred Vail
5271:Hedy Lamarr
5256:Dawon Kahng
5216:Elisha Gray
5176:Yogen Dalal
5101:Nasir Ahmed
5035:Teleprinter
4899:Heliographs
4616:黑龙江省志 广播电视志
4306:"NZHistory"
4211:"CKCE (AM)"
3917:Time signal
3831:Kansas City
3772:) in 1927.
3503:Bowmanville
3422:, moved to
3420:Netherlands
3267:(original)
3202:Netherlands
3130:Netherlands
3080:1913; 1920
2972:same as is
2927:LRT Radijas
2862:RRI Jakarta
2842:same as is
2545:Rai Radio 1
2495:Netherlands
2491:Bloemendaal
2266:Australia's
2215:Mexico City
2192:"Long wave"
2158:5 May 1923
2086:Same as is
1779:6 May 1922
1742:1 May 1922
1617:New Orleans
1506:AM 560 kHZ
1500:, Colorado
1377:"Long wave"
1153:450 metres
1034:15 kW
942:Ernest Fisk
920:(actually,
857:Ernest Fisk
416:Signal Hill
285:(original)
5844:Categories
5757:Antarctica
5716:Toasternet
5638:Television
5121:Paul Baran
5053:Television
5037:(teletype)
5030:Telegraphy
5008:transistor
4986:Phryctoria
4956:Photophone
4934:Smartphone
4924:Mass media
4434:27 January
4365:21 January
3975:25 January
3935:References
3837:, Sold to
3814:1923–1926
3802:WEAF chain
3788:1923–1933
3761:1922–1926
3737:Full name
3505:, Ontario
3458:1 kW
3276:(current)
3200:(studio),
3168:, Ireland
3128:(studio),
3028:Hong Kong
2793:Sealed Set
2762:Sealed Set
2672:, Romania
2599:, Denmark
2597:Copenhagen
2515:VOWR/8WMC
2470:Sealed Set
2413:Sealed Set
2334:Sealed Set
2289:Sealed Set
2161:Long wave
1998:Not known
1990:Birmingham
1824:Manchester
1588:Cincinnati
1528:, Georgia
1363:Newsreel)
1122:Pittsburgh
1023:Chelmsford
804:, Ireland
769:Pittsburgh
707:9ZP, 9CLS
476:Brant Rock
360:Pontecchio
294:(current)
268:mediumwave
234:incomplete
49:improve it
5741:Americas
5730:Locations
5701:Internet2
5462:Bandwidth
5166:Vint Cerf
5063:streaming
5041:Telephone
4981:Semaphore
4872:streaming
3843:WJZ chain
3778:CNR Radio
3770:BBC Radio
3740:Location
3642:102.9 FM
3474:, Alberta
3426:in 1933.
3424:Hilversum
3416:Eindhoven
3314:The Hague
3273:call-sign
3264:call-sign
3254:shortwave
3198:Hilversum
3126:Hilversum
3020:GOW, ZBW
2982:, Canada
2907:, Canada
2752:Melbourne
2670:Bucharest
2647:, Poland
2436:Owned by
2403:Melbourne
2380:, Serbia
2272:station.
2232:Finland's
2217:, Mexico
2153:Indonesia
1951:, Canada
1902:, Canada
1898:, Quebec/
1850:, Canada
1599:Class-A (
1541:Class-A (
1538:treaties
1304:Class-A (
1285:Cleveland
1235:Class-A (
1172:St. Louis
1133:Class-A (
1021:Writtle,
922:Rádio MEC
635:Class-A (
362:, Italy.
334:(between
332:São Paulo
291:call-sign
282:call-sign
200:Georg Ohm
145:talk page
101:talk page
55:talk page
5809:Category
5696:Internet
5686:CYCLADES
5603:Ethernet
5553:Concepts
5477:terminal
5428:wireless
5251:Bob Kahn
5094:Pioneers
4919:Internet
4810:Cable TV
4562:第一节 无线广播
4491:Archived
4444:cite web
4340:cite web
4275:Archived
4221:9 August
4057:17 March
3856:See also
3819:AT&T
3724:Networks
3717:Unknown
3694:Unknown
3621:Unknown
3472:Edmonton
3293:FM radio
3289:AM radio
3226:Tamworth
2991:Class-B
2953:, China
2783:Adelaide
2738:Class-B
2541:), 1-RO
2510:various
2446:Class-A
2378:Belgrade
2355:, Spain
2270:official
2251:Tavastia
2121:, Chile
2119:Santiago
2104:Class B
2047:Class-B
1974:Class-A
1911:Class-A
1896:Montreal
1760:Class B
1724:Class-A
1700:Class-A
1676:Class-A
1652:Class-A
1628:Class A
1572:Class-B
1484:Class-A
1458:Class-D
1432:Class-B
1264:Class-B
1202:, Texas
1186:Class-D
1176:Missouri
1108:Class-B
1084:Class-A
875:7AC/7XC
841:Class-B
744:Unknown
702:Class-A
628:anada's
620:anada's
608:Montreal
592:Class-B
311:FM radio
307:AM radio
272:longwave
217:Stations
5829:Commons
5819:Outline
5772:Oceania
5691:FidoNet
5676:ARPANET
5489:circuit
5058:digital
4787:History
4330:30 July
4257:14 July
3785:Canada
3743:On air
3412:Philips
3282:On air
3270:Station
3261:Station
3045:became
2876:Jakarta
2872:Batavia
2830:B Class
2820:Sydney
2709:B Class
2695:Sydney
2527:800 AM
2518:800 AM
2329:Sydney
2284:Sydney
2258:AM kHz
2247:Tampere
2242:Tampere
2145:Bandung
2074:1500 W
2063:Colombo
1944:CFRC-FM
1925:Dunedin
1848:Toronto
1590:, Ohio
1526:Atlanta
1338:
747:Unknown
632:inest.
379:of the
300:On air
288:Station
279:Station
95:Please
5767:Europe
5737:Africa
5721:Usenet
5681:BITNET
5618:Mobile
5494:packet
5003:MOSFET
4998:device
4795:Beacon
4633:RTÉ.ie
3849:(NBC)
3746:Notes
3611:Boston
3194:Huizen
3166:Dublin
3122:Huizen
2951:Harbin
2645:Warsaw
2570:Denver
2353:Madrid
2268:first
2205:XEB-AM
2177:Prague
1498:Denver
1245:XEH-AM
1224:Boston
1200:Dallas
1008:?? kW
992:Prague
946:Sydney
905:Recife
861:Sydney
802:Dublin
624:irst,
412:Poldhu
5750:South
5745:North
5706:JANET
5643:Telex
5633:Radio
5472:Nodes
5467:Links
5388:media
4966:Radio
4951:Pager
4879:Drums
4845:video
4840:image
4830:audio
4473:9 May
4400:(PDF)
4251:(PDF)
3734:Name
3700:W47NV
3650:W2XMN
3639:1939
3616:1937
3600:W1XOJ
3551:HCJB
3499:CRCX
3495:VE9GW
3444:G2NM
3101:1916
3010:1927
3005:Seoul
2996:JODK
2626:1925
2613:WCSH
2592:DR P1
2537:URI (
2460:Perth
2240:3NB,
2181:Kbely
2151:(now
2134:PKX (
2115:CB66
2098:1923
1863:KFBL
1844:none
1729:CKOC
1536:NARBA
1426:1922
1399:1922
1374:1921
1344:1921
1067:6ADZ
910:1919
886:1919
865:1918
790:none
774:1916
741:1916
661:1915
543:1907
514:1907
455:1906
445:from
410:from
391:1897
365:1895
341:1893
5762:Asia
5648:UUCP
5608:ISDN
4697:2020
4475:2020
4450:link
4436:2007
4367:2020
4346:link
4332:2008
4259:2010
4223:2024
4059:2022
4052:WBCR
3977:2019
3827:WEAF
3704:N/A
3679:WRVE
3630:WHCN
3584:WTSS
3571:W8XH
3547:HCJB
3523:HVJ
3510:CRCT
3464:CKUA
3432:KDKA
3402:PCJJ
3382:KDKA
3325:N/A
3310:N/A
3306:PCGG
3252:and
3222:2TM
3176:Cork
3110:NSF/
3024:RTHK
3000:HLKA
2968:CFCO
2947:n/a
2896:CHRC
2891:CHRC
2838:JOAK
2801:see
2779:n/a
2722:WOOD
2717:WEBK
2692:n/a
2681:N/A
2661:N/A
2656:N/A
2636:N/A
2617:WZAN
2608:N/A
2482:N/A
2425:WES
2389:N/A
2364:N/A
2349:N/A
2304:n/a
2301:XRO
2226:N/A
2141:n/a
2080:WKBV
2029:WKAQ
2006:WNAX
1940:9BT
1888:CKAC
1867:KRKO
1840:CFCA
1765:KZN
1733:CKOC
1705:4XD
1639:WSCR
1556:WTEL
1469:WEPN
1443:KUOM
1388:WCAT
1382:N/A
1316:4XD
1195:KTCK
1191:WRR
1142:9AH
1114:KDKA
1044:LOR
934:n/a
849:n/a
818:9XM
764:KDKA
711:KGFX
683:2XI
648:WRUC
644:2YU
603:CINW
572:KCBS
556:? W
523:? W
494:? W
442:n/a
407:n/a
386:n/a
355:n/a
328:n/a
270:and
202:and
133:The
5653:WAN
5623:NGN
5613:LAN
4894:Fax
4835:DCT
3839:RCA
3340:WWV
3331:WWV
3218:2TM
3189:NPO
3164:),
3152:RTÉ
3146:2RN
3117:NPO
3090:2ZK
3068:2XN
3047:WGI
3041:1XE
2866:RRI
2816:2UE
2810:2UE
2775:5MA
2744:3LO
2705:.)
2703:2GB
2687:2BE
2562:KOA
2452:6WF
2429:WLS
2395:3AR
2322:2FC
2274:2SB
2236:3NB
1985:5IT
1980:5IT
1920:4XD
1916:DN
1819:2ZY
1814:2ZY
1796:2LO
1791:2LO
1769:KSL
1709:WBT
1687:KFI
1682:KFI
1663:KHJ
1658:KHJ
1634:WGU
1609:WWL
1583:WLW
1578:WLW
1551:WIP
1518:WSB
1490:KLZ
1464:WHN
1438:WLB
1417:WOC
1334:2CM
1270:KYW
1216:WBZ
1167:WEW
1162:9YK
1095:WWJ
1090:8MK
1071:KNX
1014:2MT
964:KQV
953:AM
938:AWA
879:KJR
853:AWA
822:WHA
759:8ZZ
755:8XK
732:2XG
687:WGY
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