Callsign definitions

Callsign

1) Station identification 2) WKRP, WJM, or KORN
Found on https://www.crosswordclues.com/clue/callsign

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Callsign

Phrase used in radio transmissions to identify an aircraft, before proceeding to actual instructions. A callsign for a commercial aircraft may be
Found on http://airodyssey.net/reference/glossary/

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