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callsigns
Searching in Crosswords ...
The answer CALLSIGNS has 2 possible clue(s) in existing crosswords.
Searching in Word Games ...
The word CALLSIGNS is NOT valid in any word game. (Sorry, you cannot play CALLSIGNS in Scrabble, Words With Friends etc)
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Definitions of callsigns in various dictionaries:
No definitions found
Word Research / Anagrams and more ...
Keep reading for additional results and analysis below.
Possible Crossword Clues |
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Letters read to many listeners |
They all start with 'K' and 'W' in the U.S |
Last Seen in these Crosswords & Puzzles |
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May 11 2016 New York Times |
Jul 3 2011 The Washington Post |
Callsigns might refer to |
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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 designation for a transmitter station. In the United States of America, they are used for all FCC-licensed transmitters. A call sign can be formally assigned by a government agency, informally adopted by individuals or organizations, or even cryptographically encoded to disguise a station's identity. * The use of call signs as unique identifiers dates to the landline railroad telegraph system. Because there was only one telegraph line linking all railroad stations, there needed to be a way to address each one when sending a telegram. In order to save time, two-letter identifiers were adopted for this purpose. This pattern continued in radiotelegraph operation; radio companies initially assigned two-letter identifiers to coastal stations and stations aboard ships at sea. These were not globally unique, so a one-letter company identifier (for instance, 'M' and two letters as a Marconi station) was later added. By 1912, the need to quickly identify stations operated by multiple companies in multiple nations required an international standard; an ITU prefix would be used to identify a country, and the rest of the call sign an individual station in that country. |