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Call sign
CHF 61.50
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SKU
NTM0VU8NNBN
Geliefert zwischen Mi., 19.11.2025 und Do., 20.11.2025
Details
In broadcasting and radio communications, a call sign is a unique designation for a transmitting station. In some countries they are used as names for broadcasting stations, but in many other countries they are not. 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 callsigns 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 was later added.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130606978
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Sprache Englisch
- Größe H220mm x B151mm x T17mm
- Jahr 2010
- EAN 9786130606978
- Format Fachbuch
- ISBN 978-613-0-60697-8
- Titel Call sign
- Untertitel ITU prefix, Callsigns in North America, List of New Zealand radio station callsigns, Airline codes, Soviet spacecraft call signs, Maritime Mobile Service Identity, Pseudonym, Station identification
- Gewicht 240g
- Herausgeber Alphascript Publishing
- Anzahl Seiten 152
- Genre Politikwissenschaft
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