450:
251:
769:
structured with a two letter prefix, a digit (which identifies geographical area), and a 2, 3 or 4 letter suffix. This suffix may be followed by a further suffix, or personal identifier, such as /P (portable), /M (mobile), /AM (aeronautical mobile) or /MM (maritime mobile). The number following the prefix is normally a single number (0 to 9). Some prefixes, such as
Djibouti's (J2), consist of a letter followed by a number. Hence, in the hypothetical Djibouti call sign, J29DBA, the prefix is
280:
signs beginning with "N". Originally, both ships and broadcast stations were assigned call signs in this series consisting of three or four letters. Ships equipped with Morse code radiotelegraphy, or life boat radio sets, aviation ground stations, broadcast stations were given four-letter call signs. Maritime coast stations on high frequency (both radiotelegraphy and radiotelephony) were assigned three-letter call signs. As demand for both
367:, and instead use the name of the aircraft manufacturer or the specific model. At times, general aviation pilots might omit additional preceding numbers and use only the last three numbers and letters. This is especially true at uncontrolled fields (those without control towers) when reporting traffic pattern positions or at towered airports after establishing two-way communication with the tower controller. For example,
1056:
4558:
750:
36:
4568:
4547:
4578:
944:. Within a standard infantry battalion, these characters represent companies, platoons and sections respectively, so that 3 Section, 1 Platoon of F Company might be F13. In addition, a suffix following the initial call sign can denote a specific individual or grouping within the designated call sign, so F13C would be the Charlie
296:
small boats have a number that is shown on both bows (i.e. port and starboard) in which the first two digits indicate the nominal length of the boat in feet. For example, Coast Guard 47021 refers to the 21st in the series of 47-foot motor lifeboats. The call sign might be abbreviated to the final two
434:
The only continuity in call signs for spacecraft have been the issuance of "ISS"-suffixed call signs by various countries in the amateur radio service as a citizen of their country has been assigned there. The first amateur radio call sign assigned to the
International Space Station was NA1SS by the
422:
Radio call signs used for communication in crewed spaceflight are not formalized or regulated to the same degree as for aircraft. The three nations currently launching crewed space missions use different methods to identify the ground and space radio stations; the United States uses either the names
407:
receive C-Ixxx call signs. In days gone by, even
American aircraft used five-letter call signs, such as KHâABC, but they were replaced prior to World War II by the current American system of civilian aircraft call signs (see below). One exception to the parallelism between registration and call sign
390:
In most countries, the aircraft call sign or "tail number"/"tail letters" (also known as registration marks) are linked to the international radio call sign allocation table and follow a convention that aircraft radio stations (and, by extension, the aircraft itself) receive call signs consisting of
279:
for ship registration, call signs for larger vessels consist of the national prefix plus three letters (for example, 3LXY, and sometimes followed by a number, e.g. 3LXY2). United States merchant vessels are given call signs beginning with the letters "W" or "K" while US naval ships are assigned call
663:
In South
America call signs have been a traditional way of identifying radio and TV stations. Some stations still broadcast their call signs a few times a day, but this practice is becoming very rare. Argentinian broadcast call signs consist of two or three letters followed by multiple numbers, the
592:
in
Chicago. American radio stations announce their call signs (except for rare cases in which would interfere with the broadcast of very long works of classical or opera music) at or near the top of each hour, as well as sign-on and sign-off for stations that do not broadcast 24 hours. Beginning in
1027:
International regulations no longer require a call sign for broadcast stations; however, they are still required for broadcasters in many countries, including the United States. Mobile phone services do not use call signs on-air because the phones and their users are not licensed, instead the cell
784:
When operating with reciprocal agreements under the jurisdiction of a foreign government, an identifying station pre-pends the call sign with the country prefix and number of the country/territory from which the operation is occurring. For example, W4/G3ABC would denote a licensed amateur from the
1074:
to an operator with whom they have communicated via radio. Callbooks have evolved to include on-line databases that are accessible via the
Internet to instantly obtain the address of another amateur radio operator and their QSL Managers. The most well known and used on-line QSL databases include
768:
call signs are in the international series and normally consist of a one or two character prefix, a digit (which may be used to denote a geographical area, class of license, or identify a licensee as a visitor or temporary resident), and a 1-, 2-, or 3-letter suffix. In
Australia, call signs are
483:
105" or "the ABC network" are not globally unique. Another station in another city or country may (and often will) have a similar brand, and the name of a broadcast station for legal purposes is normally its internationally recognised ITU call sign. Some common conventions are followed in each
315:
Originally aviation mobile stations (aircraft) equipped with radiotelegraphy were assigned five-letter call signs (e.g. KHAAQ). Land stations in aviation were assigned four-letter call signs (e.g. WEAL – Eastern Air Lines, NYC.) These call signs were phased out in the 1960s when
785:
United
Kingdom who is operating in the fourth district of the United States. There are exceptions; in the case of U.S./Canadian reciprocal operations, the country/territory identifier is, instead, appended to the call sign; e.g., W1AW/VE4, or VE3XYZ/W1.
722:
Most
European and Asian countries do not use call signs to identify broadcast stations, but Japan, South Korea, Indonesia, the Philippines and Taiwan do have call sign systems. Spanish broadcasters used call signs consisting of
1094:
291:
class SA: "Ship recreational or voluntarily equipped." Those calls follow the land mobile format of the initial letter K or W followed by 1 or 2 letters followed by 3 or 4 numbers (such as KX0983 or WXX0029).
1483:
a database of international telecommunications administrations, searchable by callsign, covering AM, FM, DAB and TV in the United States, Canada, Mexico, the United
Kingdom, Ireland, Japan and Australia
487:
Broadcast stations in North America generally use call signs in the international series. In the United States of America, they are used for all FCC-licensed transmitters. The first letter generally is
1047:. Voluntary ships (mostly pleasure and recreational) are not required to have a radio. However, ships which are required to have radio equipment (most large commercial vessels) are issued a call sign.
3374:
521:
327:
are derived from several different policies, depending upon the type of flight operation and whether or not the caller is in an aircraft or at a ground facility. In most countries, unscheduled
351:. Aircraft registration numbers internationally follow the pattern of a country prefix, followed by a unique identifier made up of letters and numbers. For example, an aircraft registered as
894:
In wartime, monitoring an adversary's communications can be a valuable form of intelligence. Consistent call signs can aid in this monitoring, so in wartime, military units often employ
976:, because frequencies below 10 kHz are not subject to international regulations. In addition, in some countries lawful unlicensed low-power personal and broadcast radio signals (
287:
Leisure craft with VHF radios may not be assigned call signs, in which case the name of the vessel is used instead. Ships in the US still wishing to have a radio license are under
395:
have a five-letter registration beginning with the letter G, which can also serve for a call sign. Canadian aircraft have a call sign beginning with CâF or CâG, such as CâFABC.
1067:
and contained the name and addressees of licensed radio stations in a given jurisdiction (country). Modern Electrics published the first callbook in the United States in 1909.
992:
are unlicensed and do not have call signs. On some personal radio services, such as CB, it is considered a matter of etiquette to create one's own call sign, which is called a
988:) are permitted; an international call sign is not issued to such stations due to their unlicensed nature. Also, wireless network routers or mobile devices and computers using
1044:
948:. Unused suffixes can be used for other call signs that do not fall into the standard call sign matrix, for example the unused 33A call sign is used to refer to the
2414:
788:
Special call signs are issued in the amateur radio service either for special purposes, VIPs, or for temporary use to commemorate special events. Examples include
2235:
716:
449:
4530:
4502:
4497:
3522:
1224:
2954:
284:
and broadcast call signs grew, gradually American-flagged vessels with radiotelephony only were given longer call signs with mixed letters and numbers.
2419:
344:
1766:
1104:
1021:
820:
617:
1712:
1247:
731:; these also ceased to be used in the 1970s. Britain has no call signs in the American sense, but allows broadcast stations to choose their own
435:
United States. OR4ISS (Belgium), DP0ISS (Germany), and RS0ISS (Russia) are examples of others, but are not all-inclusive of others also issued.
4524:
423:
given to the space vehicles, or else the project name and mission number. Russia traditionally assigns code names as call signs to individual
4519:
4509:
4489:
4291:
898:
and sometimes change them at regular intervals. In peacetime, some military stations will use fixed call signs in the international series.
1550:
4514:
4360:
3240:
3087:
664:
second and third letters indicating region. In Brazil, radio and TV stations are identified by a ZY, a third letter and three numbers.
4286:
2759:
2661:
1621:
1089:
320:(FRO) were no longer required on international flights. The Russian Federation kept FROs for the Moscow-Havana run until around 2000.
4380:
597:
288:
119:
727:
followed by two letters and up to three digits until the late 1970s. Portugal had a similar system, their callsigns beginning with
1207:
4165:
3713:
3515:
3369:
3245:
3092:
1668:
223:) was later added. By 1912, the need to quickly identify stations operated by multiple companies in multiple nations required an
4612:
4276:
3161:
1695:
250:
4271:
3822:
57:
1028:
operator is the one holding the license. However, the U.S. still assigns a call sign to each mobile-phone spectrum license.
170:. A call sign can be formally assigned by a government agency, informally adopted by individuals or organizations, or even
4296:
3379:
2808:
2795:
2376:
1651:
1516:âA search engine of all of the radio stations in the world with websites, searchable by location, frequency, and call sign
593:
the early 2000s, digital subchannels were assigned a -DT# suffix, where # is the subchannel (starting with the number 2).
267:
Merchant and naval vessels are assigned call signs by their national licensing authorities. In the case of states such as
4581:
4571:
4332:
4229:
3772:
3539:
2512:
2139:
2091:
1759:
1070:
Today, the primary purpose of a callbook is to allow amateur radio operators to send a confirmation post card, called a
100:
4561:
4068:
3508:
2617:
1817:
1726:
1675:
876:
When identifying a station by voice, the call sign may be given by simply stating the letters and numbers, or using a
72:
1486:
1179:
1063:
A directory of radio station call signs is called a callbook. Callbooks were originally bound books that resembled a
1504:
4420:
4342:
4281:
3988:
2906:
2167:
1888:
1099:
922:
219:
at sea. These were not globally unique, so a one-letter company identifier (for instance, 'M' and two letters as a
53:
3349:
1232:
4192:
4153:
3998:
3898:
3827:
3760:
3587:
3218:
1719:
969:
926:
79:
4551:
3793:
3728:
3681:
3567:
3320:
3176:
2713:
2002:
1626:
1590:
1543:
1341:
1013:
965:
797:
744:
621:
259:
1470:
4390:
4375:
4219:
4170:
4093:
3993:
3671:
3557:
3552:
3489:
3059:
2391:
1752:
1731:
1707:
910:
46:
86:
4607:
4312:
4098:
3913:
3858:
3853:
3666:
3631:
3077:
2986:
2753:
2624:
2110:
1680:
1114:
961:
949:
877:
520:
in San Antonio. All new call signs have been four-character for some decades, though there are historical
348:
317:
231:
would be used to identify a country, and the rest of the call sign an individual station in that country.
224:
203:. In order to save time, two-letter identifiers were adopted for this purpose. This pattern continued in
4214:
4018:
3983:
3903:
3883:
3805:
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3614:
2828:
1873:
1702:
1605:
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332:
1367:
781:. Others may start with a number followed by a letter, for example, Jamaican call signs begin with 6Y.
68:
4128:
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3815:
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3641:
3116:
2848:
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1690:
1685:
1663:
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1585:
444:
276:
188:
139:
2823:
1519:
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4138:
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3203:
3126:
3101:
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2158:
2134:
1646:
1641:
1636:
1573:
1536:
1134:
1064:
997:
895:
889:
873:, which would have been the shortest possible call sign issued by the Hashemite Kingdom of Jordan.
468:
Broadcasters are allocated call signs in many countries. While broadcast radio stations will often
458:
404:
310:
245:
212:
167:
2703:
4365:
4322:
4253:
4123:
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2726:
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2401:
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977:
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918:
902:
255:
408:
is ultralight airplanes in France, who are not obliged to carry a radio and indeed often don't.
1440:
Aeronautical Information Manual, Official Guide to Basic Flight Information and ATC Procedures,
4405:
4327:
4241:
4224:
4187:
4073:
4033:
3863:
3832:
3698:
3592:
3425:
3191:
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1954:
1920:
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1465:
862:
805:
513:
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428:
192:
4410:
4370:
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3718:
3577:
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3186:
3181:
3082:
3003:
2900:
2568:
2537:
2444:
2303:
2024:
1036:
1009:
937:
929:
use a mixture of tactical call signs and international call signs beginning with the letter
757:
upon request for motor vehicles owned by amateur radio operators; this road vehicle is from
469:
356:
328:
293:
1154:
4038:
3893:
3661:
3624:
3315:
3235:
3230:
3225:
3156:
3121:
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2708:
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2486:
2240:
2200:
2012:
1523:
1508:
1211:
848:
844:
220:
3636:
2996:
1008:
to be set as identifiers, but with no guarantee that this label will remain unique. Many
4236:
4108:
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4013:
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2328:
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2207:
1883:
1808:
1204:
1124:
392:
208:
204:
93:
1055:
648:. Broadcast call signs are normally four or five alpha characters in length, plus the
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4385:
4158:
4148:
4063:
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3948:
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3745:
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2429:
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1893:
1775:
1578:
1256:
836:
765:
754:
480:
372:
196:
1460:
749:
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4103:
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3878:
3777:
3767:
3619:
3464:
3452:
3402:
3396:
3391:
3250:
2944:
2890:
2885:
2838:
2772:
2698:
2688:
2667:
2611:
2545:
2496:
2424:
2358:
2343:
2338:
2333:
2308:
2283:
2273:
2180:
1961:
1779:
1443:
1084:
281:
216:
171:
135:
1744:
1035:
operating domestically are not required to have a call sign or license to operate
363:. However, in the United States a pilot of an aircraft would normally omit saying
4463:
4113:
4023:
4008:
3968:
3928:
3787:
3437:
3359:
3018:
3013:
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2929:
2843:
2833:
2693:
2651:
2646:
2463:
2439:
2381:
2348:
2318:
2298:
2293:
2268:
2258:
2225:
2220:
2036:
2017:
1971:
1966:
1847:
1017:
1005:
852:
35:
1249:
First Annual Official Wireless Blue Book of the Wireless Association of America
960:
No call signs are issued to transmitters of the long-range navigation systems (
4468:
4175:
3873:
3782:
3738:
3708:
3686:
3676:
3651:
3430:
3413:
3354:
3334:
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2919:
2866:
2862:
2790:
2606:
2573:
2506:
2409:
2353:
2175:
2129:
2086:
2041:
1992:
1925:
1905:
1868:
1842:
1798:
1793:
1109:
880:. Some countries mandate the use of the phonetic alphabet for identification.
809:
758:
732:
400:
228:
174:
163:
4453:
3918:
3733:
3442:
3305:
3067:
2959:
2719:
2434:
2117:
2051:
1997:
1944:
1939:
1812:
1491:
1129:
993:
945:
693:
549:
517:
505:
473:
424:
184:
1020:
and mobile stations (e.g., phones) by requiring them to authenticate using
1183:
715:
In Australia, broadcast call signs are optional, but are allocated by the
4448:
4438:
4355:
4180:
4003:
3459:
3447:
3408:
3386:
3277:
3166:
3111:
2934:
2733:
2193:
2146:
2105:
2076:
2064:
2007:
1987:
1949:
1910:
1501:
1455:
1071:
985:
816:
641:
629:
589:
585:
581:
577:
573:
569:
561:
557:
553:
545:
541:
537:
533:
529:
525:
501:
476:
462:
454:
324:
200:
181:
17:
909:, such as WAR, used by U.S. Army Headquarters. Fixed call signs for the
4443:
4428:
3300:
3272:
2740:
2368:
2123:
2070:
2029:
1878:
1852:
1803:
1119:
981:
940:, tactical voice communications use a system of call signs of the form
268:
4473:
4433:
3755:
3547:
3500:
3469:
3344:
2454:
1900:
1496:
866:
637:
331:
flights identify themselves using the call sign corresponding to the
272:
1520:
Broadcasting undertaking callsigns possibly available for assignment
1345:
1095:
List of aviation, avionics, aerospace and aeronautical abbreviations
4458:
4395:
3703:
3419:
3148:
3134:
3130:
1461:
United States (FCC) Call Sign Reservation and Authorization System
1054:
1040:
989:
748:
448:
249:
180:
The use of call signs as unique identifiers dates to the landline
4400:
1299:
1160:. U.S. Department of Commerce, Bureau of Navigation. May 9, 1913
1001:
509:
3504:
1748:
1532:
1513:
3646:
604:; privately owned commercial broadcast stations use primarily
565:
500:
for eastern stations. Historic exceptions in the east include
29:
1528:
1180:"CALL SIGNS/LETTERS - The Museum of Broadcast Communications"
1371:
1393:
1214:, Titanic Wireless Commemorative Group, Godalming, Surrey
1075:
QRZ.COM, IK3QAR, HamCall, F6CYV, DXInfo, OZ7C and QSLInfo.
835:
to commemorate the 90th anniversary of historic 1912 radio
371:. In commercial aviation, the callsign is usually the ICAO
1320:
403:
in Canada are eligible to receive CâHxxx call signs, and
1414:
1225:"FCC: Wireless Services: Ship Radio Stations: Licensing"
1480:
1475:
1278:
472:
themselves with plain-text names, identities such as "
461:, indicating its early location in the U.S. state of
808:'s first trans-Atlantic message, a single-character
4482:
4419:
4341:
4305:
4262:
4203:
4137:
3846:
3538:
3293:
3265:
3147:
3058:
3039:
2972:
2861:
2771:
2679:
2597:
2559:
2536:
2453:
2400:
2367:
2282:
2249:
2166:
2155:
2050:
1980:
1861:
1835:
1786:
1614:
1566:
343:). In this case, the call sign is spoken using the
60:. Unsourced material may be challenged and removed.
297:or three numbers during operations, for example:
1456:United States Call Sign Policies (Early History)
508:in Pittsburgh, while western exceptions include
1438:United States Federal Aviation Administration,
905:uses fixed station call signs which begin with
1476:Internet Radio Uniform Callsign (IRUC) program
917:, such as AIR, used by USAF Headquarters. The
3516:
1760:
1544:
869:was issued a special amateur license number,
717:Australian Communications and Media Authority
211:initially assigned two-letter identifiers to
27:Unique designation for a transmitting station
8:
719:and are unique for each broadcast station.
4531:Global telecommunications regulation bodies
4567:
3523:
3509:
3501:
3055:
2533:
2163:
1767:
1753:
1745:
1551:
1537:
1529:
1502:Fictional Story About Military Call Signs
345:International Civil Aviation Organization
120:Learn how and when to remove this message
1105:List of government and military acronyms
1022:international mobile subscriber identity
616:prefixes; and four stations licensed to
1146:
391:five letters. For example, all British
361:November-niner-seven-eight-Charlie-Papa
672:are allocated to television stations;
1059:Department of Commerce callbook, 1919
827:as a Great Britain call sign prefix,
735:call sign up to six words in length.
369:Skyhawk eight-Charlie-Papa, left base
7:
4577:
1321:"World Wide HamCall Callsign Server"
956:Transmitters requiring no call signs
58:adding citations to reliable sources
187:system. Because there was only one
1090:Glossary of military abbreviations
972:), or transmitters on frequencies
177:to disguise a station's identity.
25:
1466:FCC amateur radio operator search
624:government retain their original
598:Canadian Broadcasting Corporation
492:for stations located west of the
431:, rather than to the spacecraft.
4576:
4566:
4557:
4556:
4545:
4166:Free-space optical communication
2415:Democratic Republic of the Congo
1300:"Qsl Manager - Qsl Info on-line"
753:All U.S. states issue call sign
34:
359:flight would use the call sign
45:needs additional citations for
1497:Another Military Callsign List
1368:"DXInfo, your DX web resource"
1259:: Modern Electrics Publication
596:In Canada, the publicly owned
397:wing-in-ground-effect vehicles
195:, there needed to be a way to
1:
379:would have the flight number
4552:Telecommunication portal
4333:Telecommunications equipment
1394:"QSL Search machine by OZ7C"
644:and television stations use
524:still in use today, such as
522:three-character call letters
4069:Alexander Stepanovich Popov
1487:Military Call Sign Database
1182:. Museum.tv. Archived from
4629:
3773:Telecommunications history
3078:Imperial, royal, and noble
1342:"QSL INFORMATION by F6CYV"
1210:September 8, 2008, at the
1100:List of aviation mnemonics
923:United States Marine Corps
887:
819:, England to Signal Hill,
742:
712:are given to FM stations.
442:
415:
383:and the callsign would be
308:
243:
4540:
4381:Public Switched Telephone
4193:telecommunication circuit
4154:Fiber-optic communication
3899:Francis Blake (telephone)
3694:Optical telecommunication
3485:
3162:Imperial, royal and noble
1507:October 29, 2020, at the
1246:Gernsback, H (May 1909).
1014:base transceiver stations
927:United States Coast Guard
660:suffix where applicable.
640:), while the majority of
377:Delta Airlines Flight 744
4292:Orbital angular-momentum
3729:Satellite communications
3568:Communications satellite
2003:Maiden and married names
798:Dominion of Newfoundland
745:Amateur radio call signs
622:Dominion of Newfoundland
427:, more in the manner of
323:Currently, all signs in
299:Coast Guard zero two one
199:each one when sending a
4171:Molecular communication
3994:Gardiner Greene Hubbard
3823:Undersea telegraph line
3558:Cable protection system
3490:Category:Lists of names
1492:Military Call Sign List
911:United States Air Force
688:designate AM stations;
333:aircraft's registration
217:stations on board ships
154:âand historically as a
4613:Telecommunications law
4313:Communication protocol
4099:Charles Sumner Tainter
3914:Walter Houser Brattain
3859:Edwin Howard Armstrong
3667:Information revolution
2420:Eritrean and Ethiopian
1115:NATO phonetic alphabet
1060:
1031:In the United States,
996:(or trail name). Some
950:company sergeant major
823:in 1901) and GB90MGY (
762:
465:
264:
225:international standard
4287:Polarization-division
4019:Narinder Singh Kapany
3984:Erna Schneider Hoover
3904:Jagadish Chandra Bose
3884:Alexander Graham Bell
3615:online video platform
3350:GaltonâWatson process
2955:Ancient Tamil country
2377:Australian Aboriginal
1471:Amateur Call Prefixes
1058:
1000:protocols also allow
752:
452:
418:Spacecraft call signs
318:flight radio officers
253:
158:âor abbreviated as a
4129:Vladimir K. Zworykin
4089:Almon Brown Strowger
4059:Charles Grafton Page
3714:Prepaid mobile phone
3642:Electrical telegraph
3117:Post-nominal letters
2236:Indigenous Taiwanese
1444:Chapter 4, Section 2
1374:on November 11, 2010
1155:"Radio Call Letters"
913:stations begin with
777:, and the suffix is
636:call signs (such as
580:in Los Angeles; and
504:in Philadelphia and
445:Broadcast call signs
335:number (also called
277:flags of convenience
140:radio communications
54:improve this article
4079:Johann Philipp Reis
3838:Wireless revolution
3800:The Telephone Cases
3657:Hydraulic telegraph
3477:Surnames by country
3102:Pre-nominal letters
2159:Surnames by country
1135:Tactical designator
1065:telephone directory
998:wireless networking
896:tactical call signs
890:Military call signs
884:Military call signs
528:in Salt Lake City;
405:ultralight aircraft
311:Aviation call signs
263:with call sign UKTY
246:Maritime call signs
168:transmitter station
4277:Frequency-division
4254:Telephone exchange
4124:Charles Wheatstone
4054:Jun-ichi Nishizawa
4029:Innocenzo Manzetti
3964:Reginald Fessenden
3699:Optical telegraphy
3532:Telecommunications
3340:Endonym and exonym
3283:Calendar of saints
3266:Related traditions
3040:Manners of address
2402:Sub-Saharan Africa
1823:Nobiliary particle
1061:
942:letter-digit-digit
919:United States Navy
903:United States Army
800:call sign prefix,
763:
628:calls. In Mexico,
466:
429:aviator call signs
265:
256:nuclear icebreaker
4590:
4589:
4328:Store and forward
4323:Data transmission
4237:Network switching
4188:Transmission line
4034:Guglielmo Marconi
3999:Internet pioneers
3864:Mohamed M. Atalla
3833:Whistled language
3498:
3497:
3426:Personal identity
3261:
3260:
2968:
2967:
2909:
2857:
2856:
2818:
2811:
2804:
2762:
2743:
2736:
2729:
2722:
2670:
2641:
2634:
2627:
2620:
2522:
2515:
2210:
2203:
2196:
2189:
1981:By life situation
1934:
1742:
1741:
1235:on March 4, 2016.
1186:on March 14, 2016
1012:systems identify
974:below 10 kHz
878:phonetic alphabet
847:aboard the famed
514:Norfolk, Nebraska
494:Mississippi River
349:phonetic alphabet
193:railroad stations
172:cryptographically
164:unique identifier
146:(also known as a
130:
129:
122:
104:
16:(Redirected from
4620:
4580:
4579:
4570:
4569:
4560:
4559:
4550:
4549:
4548:
4421:Notable networks
4411:Wireless network
4351:Cellular network
4343:Types of network
4318:Computer network
4205:Network topology
4119:Thomas A. Watson
3974:Oliver Heaviside
3959:Philo Farnsworth
3934:Daniel Davis Jr.
3909:Charles Bourseul
3869:John Logie Baird
3578:Data compression
3573:Computer network
3525:
3518:
3511:
3502:
3311:Anthropomorphism
3056:
3004:Buddhist surname
2905:
2814:
2807:
2800:
2760:Hispanic America
2758:
2739:
2732:
2725:
2718:
2666:
2637:
2630:
2625:African-American
2623:
2616:
2534:
2518:
2511:
2482:Ashkenazi Jewish
2287:and Western Asia
2252:and Central Asia
2206:
2199:
2192:
2185:
2164:
2025:Placeholder name
1930:
1874:Double-barrelled
1769:
1762:
1755:
1746:
1553:
1546:
1539:
1530:
1426:
1425:
1423:
1421:
1411:
1405:
1404:
1402:
1400:
1390:
1384:
1383:
1381:
1379:
1370:. Archived from
1364:
1358:
1357:
1355:
1353:
1348:on July 20, 2011
1344:. Archived from
1338:
1332:
1331:
1329:
1327:
1317:
1311:
1310:
1308:
1306:
1296:
1290:
1289:
1287:
1285:
1275:
1269:
1268:
1266:
1264:
1254:
1243:
1237:
1236:
1231:. Archived from
1229:wireless.fcc.gov
1221:
1215:
1202:
1196:
1195:
1193:
1191:
1176:
1170:
1169:
1167:
1165:
1159:
1151:
1016:by implementing
1010:mobile telephony
938:British military
773:, the number is
600:uses the prefix
357:general aviation
339:in the U.S., or
329:general aviation
294:U.S. Coast Guard
213:coastal stations
125:
118:
114:
111:
105:
103:
62:
38:
30:
21:
4628:
4627:
4623:
4622:
4621:
4619:
4618:
4617:
4593:
4592:
4591:
4586:
4546:
4544:
4536:
4478:
4415:
4337:
4301:
4258:
4207:
4199:
4140:
4133:
4039:Robert Metcalfe
3894:Tim Berners-Lee
3842:
3662:Information Age
3534:
3529:
3499:
3494:
3481:
3316:Personification
3289:
3257:
3143:
3045:
3041:
3035:
3031:Theophoric name
2964:
2869:
2853:
2767:
2675:
2593:
2555:
2532:
2461:
2449:
2396:
2363:
2286:
2278:
2251:
2245:
2157:
2151:
2046:
2013:Posthumous name
1976:
1857:
1831:
1782:
1773:
1743:
1738:
1610:
1562:
1557:
1524:Industry Canada
1509:Wayback Machine
1452:
1435:
1433:Further reading
1430:
1429:
1419:
1417:
1413:
1412:
1408:
1398:
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1391:
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1377:
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1298:
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1281:
1277:
1276:
1272:
1262:
1260:
1252:
1245:
1244:
1240:
1223:
1222:
1218:
1212:Wayback Machine
1203:
1199:
1189:
1187:
1178:
1177:
1173:
1163:
1161:
1157:
1153:
1152:
1148:
1143:
1081:
1053:
1033:voluntary ships
958:
892:
886:
845:Marconi station
804:to commemorate
747:
741:
536:in Des Moines;
447:
441:
420:
414:
375:. For example,
313:
307:
248:
242:
237:
221:Marconi station
209:radio companies
126:
115:
109:
106:
63:
61:
51:
39:
28:
23:
22:
15:
12:
11:
5:
4626:
4624:
4616:
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4610:
4605:
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4425:
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4414:
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4408:
4403:
4398:
4393:
4388:
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4378:
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4368:
4363:
4358:
4353:
4347:
4345:
4339:
4338:
4336:
4335:
4330:
4325:
4320:
4315:
4309:
4307:
4303:
4302:
4300:
4299:
4294:
4289:
4284:
4279:
4274:
4272:Space-division
4268:
4266:
4260:
4259:
4257:
4256:
4251:
4250:
4249:
4244:
4234:
4233:
4232:
4222:
4217:
4211:
4209:
4201:
4200:
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4196:
4195:
4185:
4184:
4183:
4173:
4168:
4163:
4162:
4161:
4151:
4145:
4143:
4135:
4134:
4132:
4131:
4126:
4121:
4116:
4111:
4109:Camille Tissot
4106:
4101:
4096:
4091:
4086:
4084:Claude Shannon
4081:
4076:
4074:Tivadar PuskĂĄs
4071:
4066:
4061:
4056:
4051:
4046:
4044:Antonio Meucci
4041:
4036:
4031:
4026:
4021:
4016:
4014:Charles K. Kao
4011:
4006:
4001:
3996:
3991:
3989:Harold Hopkins
3986:
3981:
3976:
3971:
3966:
3961:
3956:
3951:
3946:
3941:
3936:
3931:
3926:
3921:
3916:
3911:
3906:
3901:
3896:
3891:
3889:Emile Berliner
3886:
3881:
3876:
3871:
3866:
3861:
3856:
3850:
3848:
3844:
3843:
3841:
3840:
3835:
3830:
3828:Videotelephony
3825:
3820:
3819:
3818:
3813:
3803:
3796:
3791:
3785:
3780:
3775:
3770:
3765:
3764:
3763:
3758:
3753:
3743:
3742:
3741:
3731:
3726:
3724:Radiotelephone
3721:
3716:
3711:
3706:
3701:
3696:
3691:
3690:
3689:
3679:
3674:
3669:
3664:
3659:
3654:
3649:
3644:
3639:
3634:
3629:
3628:
3627:
3622:
3617:
3612:
3610:Internet video
3602:
3601:
3600:
3595:
3590:
3585:
3575:
3570:
3565:
3560:
3555:
3550:
3544:
3542:
3536:
3535:
3530:
3528:
3527:
3520:
3513:
3505:
3496:
3495:
3493:
3492:
3486:
3483:
3482:
3480:
3479:
3474:
3473:
3472:
3467:
3462:
3457:
3456:
3455:
3440:
3435:
3434:
3433:
3423:
3416:
3411:
3406:
3399:
3394:
3389:
3384:
3383:
3382:
3377:
3372:
3364:
3363:
3362:
3352:
3347:
3342:
3337:
3332:
3327:
3326:
3325:
3324:
3323:
3308:
3303:
3297:
3295:
3291:
3290:
3288:
3287:
3286:
3285:
3275:
3269:
3267:
3263:
3262:
3259:
3258:
3256:
3255:
3254:
3253:
3248:
3246:Ecclesiastical
3238:
3233:
3228:
3223:
3222:
3221:
3216:
3206:
3201:
3196:
3195:
3194:
3189:
3184:
3179:
3174:
3169:
3159:
3153:
3151:
3145:
3144:
3142:
3141:
3140:
3139:
3138:
3137:
3124:
3114:
3104:
3099:
3098:
3097:
3096:
3095:
3093:Ecclesiastical
3085:
3080:
3075:
3064:
3062:
3053:
3037:
3036:
3034:
3033:
3028:
3023:
3022:
3021:
3011:
3006:
3001:
3000:
2999:
2994:
2989:
2982:Christian name
2978:
2976:
2970:
2969:
2966:
2965:
2963:
2962:
2957:
2952:
2947:
2942:
2937:
2932:
2927:
2922:
2917:
2912:
2911:
2910:
2898:
2893:
2888:
2883:
2877:
2875:
2872:Southeast Asia
2859:
2858:
2855:
2854:
2852:
2851:
2846:
2841:
2836:
2831:
2826:
2821:
2820:
2819:
2812:
2805:
2796:Eastern Slavic
2793:
2788:
2783:
2777:
2775:
2769:
2768:
2766:
2765:
2764:
2763:
2751:
2746:
2745:
2744:
2737:
2730:
2723:
2711:
2706:
2701:
2696:
2691:
2685:
2683:
2677:
2676:
2674:
2673:
2672:
2671:
2659:
2654:
2649:
2644:
2643:
2642:
2635:
2628:
2621:
2609:
2603:
2601:
2595:
2594:
2592:
2591:
2586:
2581:
2576:
2571:
2565:
2563:
2557:
2556:
2554:
2553:
2548:
2542:
2540:
2531:
2530:
2525:
2524:
2523:
2516:
2504:
2499:
2494:
2489:
2484:
2479:
2474:
2468:
2466:
2451:
2450:
2448:
2447:
2442:
2437:
2432:
2427:
2422:
2417:
2412:
2406:
2404:
2398:
2397:
2395:
2394:
2389:
2384:
2379:
2373:
2371:
2365:
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2326:
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2311:
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2271:
2266:
2261:
2255:
2253:
2247:
2246:
2244:
2243:
2238:
2233:
2228:
2223:
2218:
2213:
2212:
2211:
2204:
2197:
2190:
2178:
2172:
2170:
2161:
2153:
2152:
2150:
2149:
2144:
2143:
2142:
2137:
2127:
2120:
2115:
2114:
2113:
2103:
2096:
2095:
2094:
2089:
2084:
2074:
2067:
2061:
2059:
2048:
2047:
2045:
2044:
2039:
2034:
2033:
2032:
2022:
2021:
2020:
2015:
2005:
2000:
1995:
1990:
1984:
1982:
1978:
1977:
1975:
1974:
1969:
1964:
1959:
1958:
1957:
1947:
1942:
1937:
1936:
1935:
1923:
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1913:
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1828:
1827:
1826:
1825:
1815:
1801:
1796:
1790:
1788:
1784:
1783:
1776:Personal names
1774:
1772:
1771:
1764:
1757:
1749:
1740:
1739:
1737:
1736:
1735:
1734:
1724:
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1671:
1669:United Kingdom
1666:
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1499:
1494:
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1484:
1478:
1473:
1468:
1463:
1458:
1451:
1450:External links
1448:
1447:
1446:
1434:
1431:
1428:
1427:
1406:
1385:
1359:
1333:
1312:
1291:
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1216:
1197:
1171:
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1139:
1138:
1137:
1132:
1127:
1125:Procedure word
1122:
1117:
1112:
1107:
1102:
1097:
1092:
1087:
1080:
1077:
1052:
1049:
978:Citizen's Band
957:
954:
888:Main article:
885:
882:
837:distress calls
755:license plates
743:Main article:
740:
737:
564:in Nashville;
556:in Charlotte;
443:Main article:
440:
437:
416:Main article:
413:
410:
393:civil aircraft
309:Main article:
306:
303:
244:Main article:
241:
238:
236:
235:Transportation
233:
205:radiotelegraph
189:telegraph line
128:
127:
42:
40:
33:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
4625:
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4611:
4609:
4608:Broadcast law
4606:
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4598:
4583:
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4324:
4321:
4319:
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4310:
4308:
4304:
4298:
4297:Code-division
4295:
4293:
4290:
4288:
4285:
4283:
4282:Time-division
4280:
4278:
4275:
4273:
4270:
4269:
4267:
4265:
4261:
4255:
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4248:
4245:
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4228:
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4223:
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4218:
4216:
4213:
4212:
4210:
4208:and switching
4206:
4202:
4194:
4191:
4190:
4189:
4186:
4182:
4179:
4178:
4177:
4174:
4172:
4169:
4167:
4164:
4160:
4159:optical fiber
4157:
4156:
4155:
4152:
4150:
4149:Coaxial cable
4147:
4146:
4144:
4142:
4136:
4130:
4127:
4125:
4122:
4120:
4117:
4115:
4112:
4110:
4107:
4105:
4102:
4100:
4097:
4095:
4092:
4090:
4087:
4085:
4082:
4080:
4077:
4075:
4072:
4070:
4067:
4065:
4064:Radia Perlman
4062:
4060:
4057:
4055:
4052:
4050:
4047:
4045:
4042:
4040:
4037:
4035:
4032:
4030:
4027:
4025:
4022:
4020:
4017:
4015:
4012:
4010:
4007:
4005:
4002:
4000:
3997:
3995:
3992:
3990:
3987:
3985:
3982:
3980:
3977:
3975:
3972:
3970:
3967:
3965:
3962:
3960:
3957:
3955:
3954:Lee de Forest
3952:
3950:
3949:Thomas Edison
3947:
3945:
3942:
3940:
3939:Donald Davies
3937:
3935:
3932:
3930:
3927:
3925:
3924:Claude Chappe
3922:
3920:
3917:
3915:
3912:
3910:
3907:
3905:
3902:
3900:
3897:
3895:
3892:
3890:
3887:
3885:
3882:
3880:
3877:
3875:
3872:
3870:
3867:
3865:
3862:
3860:
3857:
3855:
3852:
3851:
3849:
3845:
3839:
3836:
3834:
3831:
3829:
3826:
3824:
3821:
3817:
3814:
3812:
3809:
3808:
3807:
3804:
3802:
3801:
3797:
3795:
3792:
3789:
3786:
3784:
3781:
3779:
3776:
3774:
3771:
3769:
3768:Smoke signals
3766:
3762:
3759:
3757:
3754:
3752:
3749:
3748:
3747:
3746:Semiconductor
3744:
3740:
3737:
3736:
3735:
3732:
3730:
3727:
3725:
3722:
3720:
3717:
3715:
3712:
3710:
3707:
3705:
3702:
3700:
3697:
3695:
3692:
3688:
3685:
3684:
3683:
3680:
3678:
3675:
3673:
3670:
3668:
3665:
3663:
3660:
3658:
3655:
3653:
3650:
3648:
3645:
3643:
3640:
3638:
3635:
3633:
3630:
3626:
3623:
3621:
3618:
3616:
3613:
3611:
3608:
3607:
3606:
3605:Digital media
3603:
3599:
3596:
3594:
3591:
3589:
3586:
3584:
3581:
3580:
3579:
3576:
3574:
3571:
3569:
3566:
3564:
3561:
3559:
3556:
3554:
3551:
3549:
3546:
3545:
3543:
3541:
3537:
3533:
3526:
3521:
3519:
3514:
3512:
3507:
3506:
3503:
3491:
3488:
3487:
3484:
3478:
3475:
3471:
3468:
3466:
3463:
3461:
3458:
3454:
3451:
3450:
3449:
3446:
3445:
3444:
3441:
3439:
3436:
3432:
3429:
3428:
3427:
3424:
3422:
3421:
3417:
3415:
3412:
3410:
3407:
3405:
3404:
3400:
3398:
3395:
3393:
3390:
3388:
3385:
3381:
3378:
3376:
3373:
3371:
3368:
3367:
3365:
3361:
3358:
3357:
3356:
3353:
3351:
3348:
3346:
3343:
3341:
3338:
3336:
3333:
3331:
3328:
3322:
3319:
3318:
3317:
3314:
3313:
3312:
3309:
3307:
3304:
3302:
3299:
3298:
3296:
3292:
3284:
3281:
3280:
3279:
3276:
3274:
3271:
3270:
3268:
3264:
3252:
3249:
3247:
3244:
3243:
3242:
3239:
3237:
3234:
3232:
3229:
3227:
3224:
3220:
3217:
3215:
3212:
3211:
3210:
3207:
3205:
3202:
3200:
3197:
3193:
3190:
3188:
3185:
3183:
3180:
3178:
3175:
3173:
3170:
3168:
3165:
3164:
3163:
3160:
3158:
3155:
3154:
3152:
3150:
3146:
3136:
3132:
3128:
3125:
3123:
3120:
3119:
3118:
3115:
3113:
3110:
3109:
3108:
3105:
3103:
3100:
3094:
3091:
3090:
3089:
3086:
3084:
3081:
3079:
3076:
3074:
3071:
3070:
3069:
3066:
3065:
3063:
3061:
3057:
3054:
3052:
3048:
3044:
3038:
3032:
3029:
3027:
3026:Mandaean name
3024:
3020:
3017:
3016:
3015:
3012:
3010:
3007:
3005:
3002:
2998:
2995:
2993:
2990:
2988:
2987:Biblical name
2985:
2984:
2983:
2980:
2979:
2977:
2975:
2971:
2961:
2958:
2956:
2953:
2951:
2948:
2946:
2943:
2941:
2938:
2936:
2933:
2931:
2928:
2926:
2923:
2921:
2918:
2916:
2913:
2908:
2904:
2903:
2902:
2899:
2897:
2894:
2892:
2889:
2887:
2884:
2882:
2879:
2878:
2876:
2873:
2868:
2864:
2860:
2850:
2847:
2845:
2842:
2840:
2837:
2835:
2832:
2830:
2827:
2825:
2822:
2817:
2813:
2810:
2806:
2803:
2799:
2798:
2797:
2794:
2792:
2789:
2787:
2784:
2782:
2779:
2778:
2776:
2774:
2770:
2761:
2757:
2756:
2755:
2752:
2750:
2747:
2742:
2738:
2735:
2731:
2728:
2724:
2721:
2717:
2716:
2715:
2712:
2710:
2707:
2705:
2702:
2700:
2697:
2695:
2692:
2690:
2687:
2686:
2684:
2682:
2678:
2669:
2665:
2664:
2663:
2660:
2658:
2655:
2653:
2650:
2648:
2645:
2640:
2636:
2633:
2629:
2626:
2622:
2619:
2615:
2614:
2613:
2610:
2608:
2605:
2604:
2602:
2600:
2596:
2590:
2587:
2585:
2582:
2580:
2577:
2575:
2572:
2570:
2567:
2566:
2564:
2562:
2558:
2552:
2549:
2547:
2544:
2543:
2541:
2539:
2535:
2529:
2526:
2521:
2517:
2514:
2513:Ancient Greek
2510:
2509:
2508:
2505:
2503:
2500:
2498:
2495:
2493:
2490:
2488:
2485:
2483:
2480:
2478:
2475:
2473:
2470:
2469:
2467:
2465:
2460:
2459:North America
2456:
2452:
2446:
2443:
2441:
2438:
2436:
2433:
2431:
2428:
2426:
2423:
2421:
2418:
2416:
2413:
2411:
2408:
2407:
2405:
2403:
2399:
2393:
2390:
2388:
2385:
2383:
2380:
2378:
2375:
2374:
2372:
2370:
2366:
2360:
2357:
2355:
2352:
2350:
2347:
2345:
2342:
2340:
2337:
2335:
2332:
2330:
2327:
2325:
2322:
2320:
2317:
2315:
2312:
2310:
2307:
2305:
2302:
2300:
2297:
2295:
2292:
2291:
2289:
2285:
2281:
2275:
2272:
2270:
2267:
2265:
2262:
2260:
2257:
2256:
2254:
2250:Northern Asia
2248:
2242:
2239:
2237:
2234:
2232:
2229:
2227:
2224:
2222:
2219:
2217:
2214:
2209:
2205:
2202:
2198:
2195:
2191:
2188:
2184:
2183:
2182:
2179:
2177:
2174:
2173:
2171:
2169:
2165:
2162:
2160:
2154:
2148:
2145:
2141:
2138:
2136:
2133:
2132:
2131:
2128:
2126:
2125:
2121:
2119:
2116:
2112:
2109:
2108:
2107:
2104:
2102:
2101:
2100:Nom de guerre
2097:
2093:
2090:
2088:
2085:
2083:
2080:
2079:
2078:
2075:
2073:
2072:
2068:
2066:
2063:
2062:
2060:
2057:
2053:
2049:
2043:
2040:
2038:
2035:
2031:
2028:
2027:
2026:
2023:
2019:
2016:
2014:
2011:
2010:
2009:
2006:
2004:
2001:
1999:
1996:
1994:
1991:
1989:
1986:
1985:
1983:
1979:
1973:
1970:
1968:
1965:
1963:
1960:
1956:
1953:
1952:
1951:
1948:
1946:
1943:
1941:
1938:
1933:
1929:
1928:
1927:
1924:
1922:
1919:
1917:
1914:
1912:
1909:
1907:
1904:
1902:
1899:
1895:
1892:
1890:
1887:
1885:
1882:
1881:
1880:
1877:
1875:
1872:
1870:
1867:
1866:
1864:
1860:
1854:
1851:
1849:
1846:
1844:
1841:
1840:
1838:
1834:
1824:
1821:
1820:
1819:
1816:
1814:
1810:
1807:
1806:
1805:
1802:
1800:
1797:
1795:
1792:
1791:
1789:
1787:Personal name
1785:
1781:
1777:
1770:
1765:
1763:
1758:
1756:
1751:
1750:
1747:
1733:
1730:
1729:
1728:
1727:South America
1725:
1721:
1718:
1714:
1711:
1710:
1709:
1706:
1705:
1704:
1701:
1697:
1696:United States
1694:
1692:
1689:
1687:
1684:
1682:
1679:
1678:
1677:
1676:North America
1674:
1670:
1667:
1665:
1662:
1661:
1660:
1657:
1653:
1650:
1648:
1645:
1643:
1640:
1638:
1635:
1634:
1633:
1630:
1628:
1625:
1623:
1620:
1619:
1617:
1613:
1607:
1604:
1602:
1599:
1597:
1594:
1592:
1591:Amateur radio
1589:
1587:
1584:
1580:
1577:
1576:
1575:
1572:
1571:
1569:
1565:
1561:
1554:
1549:
1547:
1542:
1540:
1535:
1534:
1531:
1525:
1521:
1518:
1515:
1514:Radio-Locator
1512:
1510:
1506:
1503:
1500:
1498:
1495:
1493:
1490:
1488:
1485:
1482:
1479:
1477:
1474:
1472:
1469:
1467:
1464:
1462:
1459:
1457:
1454:
1453:
1449:
1445:
1441:
1437:
1436:
1432:
1416:
1410:
1407:
1395:
1389:
1386:
1373:
1369:
1363:
1360:
1347:
1343:
1337:
1334:
1322:
1316:
1313:
1301:
1295:
1292:
1280:
1274:
1271:
1258:
1251:
1250:
1242:
1239:
1234:
1230:
1226:
1220:
1217:
1213:
1209:
1206:
1201:
1198:
1185:
1181:
1175:
1172:
1156:
1150:
1147:
1140:
1136:
1133:
1131:
1128:
1126:
1123:
1121:
1118:
1116:
1113:
1111:
1108:
1106:
1103:
1101:
1098:
1096:
1093:
1091:
1088:
1086:
1083:
1082:
1078:
1076:
1073:
1068:
1066:
1057:
1050:
1048:
1046:
1042:
1038:
1034:
1029:
1025:
1023:
1019:
1015:
1011:
1007:
1006:MAC addresses
1003:
999:
995:
991:
987:
983:
979:
975:
971:
967:
963:
955:
953:
951:
947:
943:
939:
934:
932:
928:
924:
920:
916:
912:
908:
904:
899:
897:
891:
883:
881:
879:
874:
872:
868:
864:
859:
857:
856:
851:luxury liner
850:
846:
842:
838:
834:
830:
826:
822:
818:
814:
811:
807:
803:
799:
795:
791:
786:
782:
780:
776:
772:
767:
766:Amateur radio
760:
756:
751:
746:
739:Amateur radio
738:
736:
734:
730:
726:
720:
718:
713:
711:
707:
703:
699:
695:
691:
687:
683:
679:
675:
671:
667:
661:
659:
655:
651:
647:
643:
639:
635:
632:stations use
631:
627:
623:
619:
615:
611:
607:
603:
599:
594:
591:
587:
583:
579:
575:
571:
567:
563:
559:
555:
551:
547:
543:
539:
535:
531:
527:
523:
519:
515:
511:
507:
503:
499:
495:
491:
485:
482:
478:
475:
471:
464:
460:
456:
451:
446:
438:
436:
432:
430:
426:
419:
411:
409:
406:
402:
398:
394:
388:
386:
382:
378:
374:
373:Flight number
370:
366:
362:
358:
355:conducting a
354:
350:
346:
342:
338:
334:
330:
326:
321:
319:
312:
304:
302:
300:
295:
290:
285:
283:
278:
274:
270:
262:
261:
257:
252:
247:
239:
234:
232:
230:
226:
222:
218:
214:
210:
206:
202:
198:
194:
190:
186:
183:
178:
176:
173:
169:
165:
161:
157:
153:
149:
145:
141:
137:
132:
124:
121:
113:
102:
99:
95:
92:
88:
85:
81:
78:
74:
71: â
70:
66:
65:Find sources:
59:
55:
49:
48:
43:This article
41:
37:
32:
31:
19:
4264:Multiplexing
4139:Transmission
4104:Nikola Tesla
4094:Henry Sutton
4049:Samuel Morse
3979:Robert Hooke
3944:Amos Dolbear
3879:John Bardeen
3798:
3778:Telautograph
3682:Mobile phone
3637:Edholm's law
3620:social media
3553:Broadcasting
3465:Signum manus
3453:Royal cypher
3418:
3403:Nomen nescio
3401:
3397:Nomenclature
3392:Naming taboo
3329:
3204:Professional
3047:of authority
2997:Saint's name
2662:Scandinavian
2284:Muslim world
2122:
2098:
2069:
1921:Occupational
1780:anthroponymy
1559:
1439:
1420:November 24,
1418:. Retrieved
1409:
1399:November 24,
1397:. Retrieved
1388:
1378:November 24,
1376:. Retrieved
1372:the original
1362:
1352:November 24,
1350:. Retrieved
1346:the original
1336:
1326:November 24,
1324:. Retrieved
1315:
1305:November 24,
1303:. Retrieved
1294:
1284:November 24,
1282:. Retrieved
1273:
1261:. Retrieved
1248:
1241:
1233:the original
1228:
1219:
1200:
1188:. Retrieved
1184:the original
1174:
1162:. Retrieved
1149:
1085:Brevity code
1069:
1062:
1032:
1030:
1026:
959:
941:
935:
930:
914:
906:
900:
893:
875:
870:
863:King Hussein
860:
854:
840:
832:
828:
824:
812:
801:
793:
789:
787:
783:
778:
774:
770:
764:
728:
724:
721:
714:
709:
705:
701:
697:
692:is used for
689:
685:
681:
677:
673:
669:
665:
662:
657:
653:
649:
645:
633:
625:
613:
609:
605:
601:
595:
568:in Buffalo;
544:in Detroit;
497:
489:
486:
467:
439:Broadcasting
433:
421:
389:
384:
380:
376:
368:
364:
360:
352:
340:
336:
322:
314:
298:
286:
282:marine radio
275:, which are
266:
258:
191:linking all
179:
159:
155:
152:call letters
151:
147:
143:
136:broadcasting
133:
131:
116:
107:
97:
90:
83:
76:
64:
52:Please help
47:verification
44:
4464:NPL network
4176:Radio waves
4114:Alfred Vail
4024:Hedy Lamarr
4009:Dawon Kahng
3969:Elisha Gray
3929:Yogen Dalal
3854:Nasir Ahmed
3788:Teleprinter
3652:Heliographs
3438:Proper name
3360:Name change
3214:Educational
3192:Substantive
3131:decorations
3014:Jewish name
3009:Dharma name
2974:By religion
2639:Hongkongese
2464:Australasia
2304:Azerbaijani
2037:Regnal name
2018:Temple name
1848:Middle name
1836:By sequence
1813:Matrilineal
1809:Patrilineal
1720:New Zealand
1652:Middle East
1481:FCCData.org
560:in Boston;
532:in Denver;
412:Spaceflight
341:tail number
207:operation;
156:call signal
69:"Call sign"
4603:Call signs
4597:Categories
4510:Antarctica
4469:Toasternet
4391:Television
3874:Paul Baran
3806:Television
3790:(teletype)
3783:Telegraphy
3761:transistor
3739:Phryctoria
3709:Photophone
3687:Smartphone
3677:Mass media
3431:Identifier
3414:Onomastics
3355:Legal name
3335:Deadnaming
3231:Diplomatic
3187:Subsidiary
3182:Hereditary
3073:Diplomatic
2992:Papal name
2901:Indonesian
2867:South Asia
2863:Indosphere
2829:Macedonian
2802:Belarusian
2709:Portuguese
2551:Lithuanian
2445:Zimbabwean
2241:Vietnamese
2201:Generation
2168:East Asian
2156:By culture
2130:Stage name
2087:Hypocorism
2052:Pseudonyms
2042:Slave name
1993:Birth name
1945:Teknonymic
1926:Patronymic
1906:Matronymic
1869:Diminutive
1843:First name
1799:Given name
1794:Birth name
1713:television
1627:Antarctica
1606:Spacecraft
1560:Call signs
1263:August 14,
1141:References
1110:ITU prefix
1037:VHF radios
849:White Star
821:St. John's
815:sent from
810:Morse code
759:California
733:trade mark
696:stations;
618:St. John's
425:cosmonauts
401:hovercraft
229:ITU prefix
110:March 2013
80:newspapers
4494:Americas
4483:Locations
4454:Internet2
4215:Bandwidth
3919:Vint Cerf
3816:streaming
3794:Telephone
3734:Semaphore
3625:streaming
3443:Signature
3330:Call sign
3306:Anonymity
3241:Religious
3167:Chivalric
3088:Religious
3083:Judiciary
3068:Honorific
3051:of honour
2950:Sinhalese
2940:Pakistani
2925:Malaysian
2920:Cambodian
2824:Kashubian
2816:Ukrainian
2781:Bulgarian
2720:Praenomen
2657:Icelandic
2528:Hungarian
2329:Pakistani
2264:Mongolian
2118:Ring name
2111:Heteronym
2077:Nicknames
1998:Code name
1950:Toponymic
1940:Sobriquet
1916:Mononymic
1911:Metonymic
1853:Last name
1732:Argentina
1708:Australia
1586:Broadcast
1415:"QSLInfo"
1279:"QRZ.COM"
1130:Pseudonym
1051:Callbooks
986:ISM bands
946:fire team
861:The late
694:shortwave
550:Cleveland
484:country.
385:Delta 744
185:telegraph
148:call name
144:call sign
18:Call-sign
4562:Category
4449:Internet
4439:CYCLADES
4356:Ethernet
4306:Concepts
4230:terminal
4181:wireless
4004:Bob Kahn
3847:Pioneers
3672:Internet
3563:Cable TV
3460:Khelrtva
3448:Monogram
3409:Misnomer
3387:Namesake
3321:National
3278:Name day
3236:Judicial
3226:Business
3219:Honorary
3209:Academic
3199:Military
3172:Courtesy
3157:Academic
3122:Academic
3112:Emeritus
2915:Javanese
2896:Filipino
2881:Balinese
2849:Suffixes
2786:Croatian
2749:Romanian
2734:Cognomen
2632:Canadian
2618:American
2599:Germanic
2584:Scottish
2502:Georgian
2492:Estonian
2477:Armenian
2472:Albanian
2430:Ghanaian
2387:Hawaiian
2324:Mandaean
2231:Okinawan
2216:Japanese
2187:Courtesy
2147:Username
2140:Mononyms
2106:Pen name
2092:Monarchs
2065:Art name
2008:Necronym
1988:Aptronym
1901:Eponymic
1862:By trait
1681:Barbados
1615:By place
1601:Military
1596:Maritime
1579:Airlines
1574:Aircraft
1505:Archived
1257:New York
1208:Archived
1190:March 5,
1079:See also
1072:QSL card
1024:(IMSI).
817:Cornwall
642:FM radio
630:AM radio
612:through
463:Maryland
455:QSL card
365:November
337:N-number
325:aviation
305:Aviation
254:Russian
240:Maritime
201:telegram
182:railroad
4582:Commons
4572:Outline
4525:Oceania
4444:FidoNet
4429:ARPANET
4242:circuit
3811:digital
3540:History
3380:Surname
3301:Acronym
3294:Related
3273:Baptism
2907:Chinese
2891:Burmese
2886:Bengali
2839:Serbian
2809:Russian
2754:Spanish
2741:Agnomen
2704:Occitan
2699:Italian
2689:Catalan
2681:Romance
2668:Swedish
2612:English
2569:Cornish
2546:Latvian
2520:Cypriot
2497:Finnish
2410:Ashanti
2369:Oceania
2359:Turkish
2339:Persian
2334:Pashtun
2309:Bengali
2274:Tibetan
2181:Chinese
2124:Shikona
2030:Notname
1962:Patrial
1955:Surname
1932:Surname
1879:Epithet
1818:Affixes
1804:Surname
1703:Oceania
1567:By type
1205:GB90MGY
1164:May 19,
1120:Pan-pan
1018:cell ID
982:Part 15
936:In the
855:Titanic
806:Marconi
620:by the
453:A 1940
347:(ICAO)
269:Liberia
260:Arktika
197:address
175:encoded
162:) is a
94:scholar
4520:Europe
4490:Africa
4474:Usenet
4434:BITNET
4371:Mobile
4247:packet
3756:MOSFET
3751:device
3548:Beacon
3470:Tughra
3375:Middle
3345:Family
3149:Titles
3135:medals
3133:, and
3127:Orders
3107:Suffix
3060:Styles
3019:Hebrew
2945:Sindhi
2930:Indian
2844:Slovak
2834:Polish
2773:Slavic
2694:French
2652:Gothic
2647:German
2561:Celtic
2538:Baltic
2487:Basque
2455:Europe
2440:Yoruba
2382:Fijian
2349:Somali
2344:Sindhi
2319:Coptic
2314:Berber
2299:Arabic
2294:Afghan
2259:Kalmyk
2226:Manchu
2221:Korean
2208:Titles
1972:Virtue
1967:Unisex
1889:Common
1884:Animal
1691:Mexico
1686:Canada
1664:Russia
1659:Europe
1622:Africa
1442:2004.
1043:or an
994:handle
980:(CB),
925:, and
867:Jordan
843:, the
708:, and
684:, and
638:XEW-AM
590:WLS-TV
546:WJW-TV
516:, and
353:N978CP
273:Panama
166:for a
96:
89:
82:
75:
67:
4503:South
4498:North
4459:JANET
4396:Telex
4386:Radio
4225:Nodes
4220:Links
4141:media
3719:Radio
3704:Pager
3632:Drums
3598:video
3593:image
3583:audio
3420:-onym
3370:Given
3366:List
3251:Papal
3177:False
2791:Czech
2727:Nomen
2714:Roman
2607:Dutch
2589:Welsh
2574:Irish
2507:Greek
2392:MÄori
2354:Tatar
2269:Sakha
2176:Amami
1894:Plant
1647:Korea
1642:Japan
1637:India
1253:(PDF)
1158:(PDF)
1045:EPIRB
1041:radar
1002:SSIDs
990:Wi-Fi
970:Omega
966:Alpha
962:Decca
839:from
796:as a
656:, or
470:brand
381:DL744
227:; an
101:JSTOR
87:books
4515:Asia
4401:UUCP
4361:ISDN
3043:List
2960:Thai
2870:and
2579:Manx
2462:and
2435:Igbo
2135:List
2082:list
2071:BugĹ
2056:list
1778:and
1632:Asia
1422:2010
1401:2010
1380:2010
1354:2010
1328:2010
1307:2010
1286:2010
1265:2018
1192:2016
1166:2019
901:The
853:RMS
831:and
790:VO1S
668:and
658:-TDT
608:and
588:and
576:and
540:and
518:WOAI
510:WJAG
506:KDKA
496:and
481:Rock
479:", "
474:Cool
457:for
399:and
215:and
160:call
142:, a
138:and
73:news
4406:WAN
4376:NGN
4366:LAN
3647:Fax
3588:DCT
2935:Lao
2425:Ewe
2194:Art
1004:or
984:or
933:.
871:JY1
865:of
858:).
841:MGY
833:MGY
794:VO1
779:DBA
710:ZYU
706:ZYM
702:ZYD
698:ZYC
690:ZYG
686:ZYK
682:ZYL
678:ZYJ
674:ZYI
670:ZYB
666:ZYA
654:-TV
650:-FM
586:WLS
582:WGN
578:KHJ
574:KNX
570:KFI
566:WGR
562:WSM
558:WBZ
554:WBT
548:in
542:WJR
538:WWJ
534:WHO
530:KOA
526:KSL
512:in
502:KYW
459:WWV
289:FCC
271:or
150:or
134:In
56:by
4599::
3129:,
2457:,
1255:.
1227:.
1039:,
968:,
964:,
952:.
921:,
829:90
825:GB
771:J2
704:,
700:,
680:,
676:,
652:,
646:XH
634:XE
626:VO
614:CK
610:CH
606:CF
602:CB
584:,
572:;
552:;
477:FM
387:.
301:.
4533:)
4529:(
3524:e
3517:t
3510:v
3049:/
2874:)
2865:(
2058:)
2054:(
1811:/
1768:e
1761:t
1754:v
1552:e
1545:t
1538:v
1522:â
1424:.
1403:.
1382:.
1356:.
1330:.
1309:.
1288:.
1267:.
1194:.
1168:.
931:N
915:A
907:W
813:S
802:S
792:(
775:9
761:.
729:C
725:E
498:W
490:K
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117:(
112:)
108:(
98:¡
91:¡
84:¡
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