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Standard broadcasters may use these call signs with a suffix; what is now WVBX operated as WWVB-FM from 2008 through 2009. NOAA Weather Radio stations operating between 162.4 and 162.55 MHz have call signs consisting of a "K" or "W" followed by two letters, and two digits. The "K" and "W" prefixes are used on both sides of the Mississippi River ...
For the EEG electrode placement system, see 10–20 system (EEG). Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project ...
United States. The earliest identification, used in the 1910s and into the early 1920s, was arbitrary. The U.S. government began requiring stations to use three-letter call signs around 1912, but they could be chosen at random. This system was replaced by the basic form of the current system in the early 1920s.
Callsign Frequency City of license WCAB: 590 AM: Rutherfordton, North Carolina: WCAM: 1590 AM: Camden, South Carolina: WCAO: 600 AM: Baltimore, Maryland: WCAP: 980 AM
An amateur operator's call sign is composed of a prefix, a separating numeral and a suffix. The prefix can be composed of letters or numbers, the separating numeral is between 0 and 9, and a suffix is from one to four characters, usually letters. [ 5 ] Examples of call signs and their constituent parts are as follows:
For example, in the early days of the CB radio, the term "Good buddy" was widely used. [2] Nicknames or call signs given or adopted by CB radio users are known as "handles". [2] [3] Many truck drivers will call each other "Hand," [4] or by the name of the company for which they drive. [citation needed]
Military call signs are call signs (or callsigns) or specialized form of nickname assigned as unique identifiers to military communications. 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 tactical call signs ...
In broadcasting and radio communications, a call sign (also known as a call name or call letters —and historically as a call signal —or abbreviated as a call) is a unique identifier for a transmitter station. A call sign can be formally assigned by a government agency, informally adopted by individuals or organizations, or even ...