Selcal

GPTKB entity

Statements (18)
Predicate Object
gptkbp:instanceOf aviation communication system
gptkbp:administeredBy gptkb:International_Civil_Aviation_Organization
gptkbp:alerts audio chime or light
gptkbp:assignee unique code to each aircraft
gptkbp:benefit reduces need for continuous radio monitoring
gptkbp:codeFormat four-letter code
gptkbp:fullName gptkb:Selective_Calling
https://www.w3.org/2000/01/rdf-schema#label Selcal
gptkbp:introducedIn 1950s
gptkbp:operates VHF radio
HF radio
gptkbp:purpose alert crew to incoming radio messages
gptkbp:region global
gptkbp:usedBy gptkb:aircraft
air traffic control
gptkbp:usedFor long-range communications
gptkbp:bfsParent gptkb:Aviation_Communication
gptkbp:bfsLayer 7