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
|