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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.
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] The number in the call sign indicates in which of the ten U.S. radio districts the license was issued.
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 ...
In the United States, the policy on radio identification depends on the service. Station identification is usually done in the station's standard mode of operation, though the FCC considers Morse code identification to be universally acceptable no matter what mode the station is operating in.
The following is a list of FCC -licensed radio stations in the U.S. state of Pennsylvania, which can be sorted by their call signs, frequencies, cities of license, licensees, and programming formats .
There are a total of 24 private and 44 government-owned radio stations in Malaysia. Stations owned by the government operate under the Radio Televisyen Malaysia (RTM) group. Other stations such as BBC World Service, China Radio International and Voice of Vietnam are available in Malaysia via AM.
The Washington metropolitan area is currently the seventh-largest radio market in the United States. While most stations originate within Washington, D.C. proper, this list includes also stations that originate from Northern Virginia and Annapolis, Maryland.
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 ...
The following is a list of FCC-licensed AM and FM radio stations in the U.S. state of Texas, which can be sorted by their call signs, broadcast frequencies, cities of license, licensees, or programming formats.
NOAA Weather Radio ( NWR ), also known as NOAA Weather Radio All Hazards, is an automated 24-hour network of VHF FM weather radio stations in the United States that broadcast weather information directly from a nearby National Weather Service office.