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  2. Call signs in the United States - Wikipedia

    en.wikipedia.org/wiki/Call_signs_in_the_United...

    Amateur stations. Map showing the numeral codes for amateur radio call signs in the United States. The region in which the operator was licensed determines the numeral. United States amateur radio call signs consist of one or two letters, followed by a single digit, and closing with one to three more letters. [21]

  3. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by law enforcement and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code.

  4. Lists of radio stations in the United States - Wikipedia

    en.wikipedia.org/wiki/Lists_of_radio_stations_in...

    List of AM radio stations in the United States by call sign (initial letters KA–KF) List of AM radio stations in the United States by call sign (initial letters KG–KM) List of AM radio stations in the United States by call sign (initial letters KN–KS) List of AM radio stations in the United States by call sign (initial letters KT–KZ)

  5. Numbers station - Wikipedia

    en.wikipedia.org/wiki/Numbers_station

    A numbers station is a shortwave radio station characterized by broadcasts of formatted numbers, which are believed to be addressed to intelligence officers operating in foreign countries. Most identified stations use speech synthesis to vocalize numbers, although digital modes such as phase-shift keying and frequency-shift keying , as well as ...

  6. Police code - Wikipedia

    en.wikipedia.org/wiki/Police_code

    A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include "10 codes" (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes, or other status ...

  7. List of channel numbers assigned to FM frequencies in North ...

    en.wikipedia.org/wiki/List_of_channel_numbers...

    FM channel numbers are commonly used for listing FM Station Allotments, which are the FM station assignments designated for individual communities. In the United States they are also used in the callsigns of low-powered FM translators relaying AM or FM station signals.

  8. List of North American broadcast station classes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    Station class descriptions. All domestic (United States) AM stations are classified as A, B, C, or D. [1] A (formerly I) — clear-channel stations10 kW to 50 kW, 24 hours. Class A stations are only protected within a 750-mile (1,207-kilometer) radius of the transmitter site.

  9. Station identification - Wikipedia

    en.wikipedia.org/wiki/Station_identification

    Station identification ( ident, network ID, channel ID or bumper) is the practice of radio and television stations and networks identifying themselves on-air, typically by means of a call sign or brand name (sometimes known, particularly in the United States, as a "sounder" or "stinger", more generally as a station or network ID).

  10. List of urban-format radio stations in the United States

    en.wikipedia.org/wiki/List_of_urban-format_radio...

    KIPR / KFOG – Power 92 Jams – Urban contemporary. KHTE-FM - 96.5 The Box - Urban contemporary. KOKY – 102.1 KOKY – Urban adult contemporary. KPZK – Praise 102.5 – Urban contemporary gospel. KZTS - Rejoice 1380/105.5/103.3 - Urban Gospel. KWCP-LP - KWCP-LP 98.9 The Mix - Urban Adult Contemporary / Classic Hip Hop.

  11. Standard frequency and time signal service - Wikipedia

    en.wikipedia.org/wiki/Standard_frequency_and...

    10 MHz RWM: Moscow, Russia 4.996, 9.996, 14.996 MHz ITU-R TF.768-5: WWV: Fort Collins, Colorado, United States 2.5, 5, 10, 15, & 20 MHz ITU-R TF.768-5: WWVH: Kekaha, Kauai, Hawaii, United States 2.5, 5, 10, & 15 MHz ITU-R TF.768-5: YVTO: Caracas, Venezuela: 5 MHz Time signal stations on non-standard frequencies: CHU: Ottawa, Ontario, Canada