ATIS Telecom Glossary
Tuesday, September 30, 2014

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indefinite call sign
A call sign that represents a group of facilities, commands, authorities, activities, or units rather than one of these. 2. In radio communications, a call sign that does not identify a station and that is used in the call-up signal or in a message that has the station call sign encrypted in the text. [From Weik '89]

 

 

 

 

 

 

 

 

 

 



 
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