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TV and DT: Commercial television was introduced in the United States in July 1941, and initially TV stations were assigned standard unique four-letter call signs. In August 1946 the "-TV" suffix was introduced, [ 11 ] which, like "-FM", included the restriction that paired stations had to have the same owners and be in the same community.
Historically, stations to the east of the Mississippi River were given call signs beginning with the letter W, stations to the west K. However, there are exceptions. See the article on North American call signs for more information. List of television stations in the United States by call sign (initial letter K) List of television stations in ...
This is divided between only 67 different three-letter calls, because in many cases the same call sign is used by more than one station, although a given call sign is never assigned to more than one AM, FM or TV station. These 67 different three-letter call signs are currently grouped as follows: 25 assigned only to an AM station
This is a list of full-power television stations in the United States having call signs which begin with the letter K. Stations licensed to transmit under low-power specifications—ex., KAJN-CD, K35OY-D and KXJB-LD—have not been included.
In Mexico, AM radio stations use XE call signs (such as XEW-AM), while the majority of FM radio and television stations use XH.Broadcast callsigns are normally four or five letters in length, plus the -FM or -TV suffix where applicable, though several older stations have only three letters.
List of television stations in the United States by call sign (initial letter W) List of television stations in North America by media market; List of United States over-the-air television networks; Free-to-air#North America - Satellite; List of radio stations in Massachusetts
KTLA, KFWB, KTTV, KNX — you know the call letters of local radio and TV stations and probably have a jingle or two stuck in your head. But where did this broadcasting alphabet soup originate?
Mexican broadcast stations are assigned call signs beginning with "XE" (for mediumwave and shortwave stations) or "XH" (for FM radio and television stations), followed by one and up to five letters and a suffix according to the band in which they broadcast, these suffixes are: "-AM", "-OC" (shortwave or Onda Corta), "-FM" and "-TDT ...