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
|