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WG | Frequencies at the time were in the range of 43 to 49 MHz, and the two-digit frequency code was obtained by dropping the "4" and the decimal point; thus W81SP was on 48.1 MHz in Springfield, Massachusetts. It became clear that unique identifiers, organized by national origin, were needed in order to determine exactly which vessel was in danger when a distress call was being received. This is a list of FM radio stations in the United States having call signs beginning with the letters KD through KF. WR | In 1922, predominantly four-letter calls were issued. This became the first case of a station with a -TV suffix not affiliated with an AM station. This allocated call signs to various countries (see this document, issued by the Bureau over Chamberlain's name), and while the US got all the letters N and W, it was given only the block of K signs beginning KD to the end. KS | For these, a new type of call sign was developed, resembling the frequency-based call signs of the 1940s. In 1987 a change in the rules was made, and stations with -FM and -TV suffixes no longer have to be under the same ownership or in the same market as AM stations with the corresponding call. ), In this Wiki, only those stations in these categories are shown which ultimately developed into standard broadcasting stations. WF | Every station and operator along a telegraph line was assigned a short "call" or "signal." KF | These were published in books issued at intervals, called "Merchant Vessels of the United States.". KH | WHPR-FM. It should be noted that the frequency itself does not appear but is coded, so if the frequency is 88.1 + x, the numeric appearing in the call sign is 201 + 5x. During this era there were few standards, and as call signs were self-assigned, this often resulted in problems when, for example, two or more ships chose the same call. KV | KK | As a result, the supply of three-letter calls became quickly exhausted, and the U. S. Government began issuing four-letter calls. WZ. KN | Land stations, less numerous, continued to be given three-letter calls, and the number of available three-letter calls was augmented by two groups of calls formerly assigned to ships: because of superstitions, calls of ships that had sunk were not re-issued; in addition, ships which were sold to another country had their call retired. Each ship would set up a group of four flags that identified it; each of the flags was designated by a letter, and no letter could be repeated because ships carried only one of each flag for signaling. It is only because of this policy change that was effective for less than a year that KDKA got its unusual call; it would have received a three-letter W call if its license had been granted a few months earlier or later. This list is complete and up to date as of, Lists of radio stations in the United States (by call sign), AM radio stations by call sign (starting with KA–KF), AM radio stations by call sign (starting with WA–WF), AM radio stations by call sign (starting with KG–KM), AM radio stations by call sign (starting with WG–WM), AM radio stations by call sign (starting with KN–KS), AM radio stations by call sign (starting with WN–WS), AM radio stations by call sign (starting with KT–KZ), AM radio stations by call sign (starting with WT–WZ), FM radio stations by call sign (starting with KA–KC), FM radio stations by call sign (starting with WA–WC), FM radio stations by call sign (starting with KD–KF), FM radio stations by call sign (starting with WD–WF), FM radio stations by call sign (starting with KG–KJ), FM radio stations by call sign (starting with WG–WJ), FM radio stations by call sign (starting with KK–KM), FM radio stations by call sign (starting with WK–WM), FM radio stations by call sign (starting with KN–KP), FM radio stations by call sign (starting with WN–WP), FM radio stations by call sign (starting with KQ–KS), FM radio stations by call sign (starting with WQ–WS), FM radio stations by call sign (starting with KT–KV), FM radio stations by call sign (starting with WT–WV), FM radio stations by call sign (starting with KW–KZ), FM radio stations by call sign (starting with WW–WZ), https://en.wikipedia.org/w/index.php?title=List_of_AM_radio_stations_in_the_United_States_by_call_sign_(initial_letters_KA–KF)&oldid=979386621, Lists of radio stations in the United States, Short description is different from Wikidata, Articles containing potentially dated statements from May 2020, Creative Commons Attribution-ShareAlike License, This page was last edited on 20 September 2020, at 12:52. In the US, the Revenue Cutter Service (now the U. S. Coast Guard) adopted calls consisting of RC and a third letter, and on November 20, 1909, the U. S. Navy switched to three-letter calls starting with N from a wide range of two-letter calls. Adult … Ship call letter assignments prior to 1912. KD | There were still however, as late as 1912, many ships using one- and two-letter calls, and a dearth of international coordination. An international set of flags was used at sea to identify individual ships. WD | The US Government established a policy that three letters in a row could not be used in a call letter assignment, so the first four-letter broadcast station assignment (other than KDKA, KDPM, and KDPT) was WAAB, assigned to a station whose license application was submitted by the New Orleans Times-Picayune on April 4, 1922. This has led to stations with -FM and -TV suffixes unrelated to AM stations with the same call. As commercial license call letters were issued under international conventions that were first developed for ship calls, the history of these assignments is presented here first. Find Radio Stations by U.S. State. List of United States AM frequency allocations, Miscellaneous unorganized material/WSOC-TV, Miscellaneous unorganized material/KVII-TV, Miscellaneous unorganized material/KAMR-TV, Miscellaneous unorganized material/WRAL-TV, Miscellaneous unorganized material/WGN-TV, Miscellaneous unorganized material/KFDA-TV, Call letter assignment history pages by country, this document, issued by the Bureau over Chamberlain's name, the above-mentioned publication of the Bureau, U. S. Department of Commerce Radio Service Bulletin #135, June 30, 1928, https://broadcasting.fandom.com/wiki/United_States_call_letter_assignments?oldid=24005. choose a state or territory from the list below: KY | WY | KE | click on a state above, or. (KH calls were reserved in 1927 for a new service category, so KG calls were followed by KI.) Originally, the FCC required FM and TV stations to have unique call letters, so the FM station owned by WHN was WHNF and the TV station owned by WCBS was WCBW. (See this list of K calls and this list of W calls.) We have links to over 16,600 radio stations' web pages and over 12,100 stations' audio streams from radio stations in the U.S. and around the world. In 1912, shortly after this assignment of new call signs was made, the London International Radiotelegraphic Convention was signed. KQ | It was apparently expected that the United States would be given the right to assign call letters beginning with the letters K and W, so call letters beginning with K were used for Atlantic- and Gulf-based ships and those beginning with W were assigned to Pacific-based ships. WX | KT | The first digit was used to indicate a region of the country (See the sections labeled "Amateur Stations" and "Special Classes of Stations" in this document). KB | KP | WJ | WU | Also in 1912, a new Radio Act was passed, giving the Bureau of Navigation the right to license ship and land radio stations, and thus the right to control the call letters of land stations (which to that point had not been regulated). Radio-TV Broadcast History is a FANDOM TV Community. Eugene Tyler Chamberlain, head of the Bureau of Navigation, was concerned because call letters which had been adopted by the various ships did not conform to the convention, and often duplicated (he issued a report in 1911 which pointed out that "In some instances three letters of the alphabet are used, in others a letter and a number, and in others a number alone. KJ | WQ | WV | It initially intended to follow the same plan as for ships for call letters (K prefixes in the east, W in the west), according to the above-mentioned publication of the Bureau, but the actual assignments were the reverse. WK | KZ, WA | Most stations in Germany had adopted 3-letter calls as early as 1905; Marconi-operated stations used station calls beginning with an M, mostly having converted by 1908. Initially after the 1906 agreements on call letter assignments, three-letter calls were issued to ships and shore stations that communicated with them. They are discussed below. KM | WT | Recently, a new category of FM stations, rebroadcasting local AM stations in areas where reception is poor, known as FM translator stations, has been established. Originally all stations with -FM or -TV suffixes were affiliates of AM stations, but when WJZ in New York City became WABC in 1953, Westinghouse, which had originally started WJZ, requested the right to restore those call letters, and eventually, after over five years, was granted the right to use WJZ-TV for its Baltimore station on channel 13. Each ship would set up a group of four flags that identified it; each of the flags was designated by a letter, and no letter could be repeated because ships carried only one of each flag for signaling. Radio transmitter calls were assigned following the landline telegraph practice. In many cases, shore stations which had two-letter calls simply had a K or W prefixed, while those with three-letter calls had the first letter changed to K or W as appropriate. KO | After a few years, the FCC allowed the stations to use five- or six-letter calls consisting of the three- or four-letter call of the affiliated AM station followed by an -FM or -TV suffix. Also, four-letter calls could be requested out of their alphabetical sequence if they were not already in use. The four letter calls were all issued with K prefixes, and it was decided that the first letter after the K should be a vowel, so KE, KI, KO, and KU calls were issued to ships, generally in alphabetical sequence. This is a list of FM radio stations in the United States having call signs beginning with the letters KD through KF. Because the call letter includes a code for the frequency, whenever the frequency changes, a new call sign is required. The last call assigned was KDJZ, (to a ship, Montgomery City), so the next call in alphabetical sequence was KDKA. About this time, the Bureau of Navigation decided to cease making a distinction between land and sea station call letters, and began to assign KD calls to all new stations. Users are encouraged to consult our FCC CALL SIGN POLICIES AND REGULATIONS before using this system. During that period from June 1920 to April 1921, two other stations, KDPM, Cleveland, Ohio, and KDPT, San Diego, California (originally non-broadcasting service stations but later transferred to the broadcasting service) were licensed, but they did not survive. (Note that the document did not, however, contemplate assigning four-letter calls to ships and shore stations. WB | WC | Find Phone Numbers and Websites for Commercials you heard On The Radio!!! Originally FM and television stations were considered experimental, and stations in those services had experimental calls, the first letter being W or K, then a digit denoting the geographic area, then an X and two more letters. In addition, N calls were reserved for government stations, and those beginning WU, WV, WX, WY, and WZ for the Army, so only KD to KZ, WA to WT, and WW calls were available. Since KA through KC were still assigned to Germany, the first available four-letter calls of the form K+consonant+two more letters, alpabetically, were KD calls. For example, see K243BG and K244CS. (In fact, it was not until 1929 that the KA-KC letters were assigned to the United States.)

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