|
gptkbp:instanceOf
|
gptkb:radio_navigation_system
|
|
gptkbp:accuracy
|
hundreds of meters (LORAN-C)
|
|
gptkbp:component
|
receiver units
transmitter stations
|
|
gptkbp:developedBy
|
gptkb:United_States
|
|
gptkbp:frequency
|
90-110 kHz (LORAN-C)
|
|
gptkbp:fullName
|
gptkb:Long_Range_Navigation
|
|
gptkbp:introducedIn
|
1940s
|
|
gptkbp:legacy
|
precursor to modern navigation systems
|
|
gptkbp:notableRelease
|
gptkb:LORAN-A
gptkb:eLORAN
gptkb:LORAN-C
|
|
gptkbp:operatedBy
|
gptkb:US_Coast_Guard
|
|
gptkbp:operates
|
low frequency radio signals
|
|
gptkbp:purpose
|
gptkb:navigation
|
|
gptkbp:replacedBy
|
gptkb:GPS
|
|
gptkbp:servesArea
|
long range
|
|
gptkbp:signalPropagation
|
groundwave
skywave
|
|
gptkbp:status
|
mostly decommissioned
|
|
gptkbp:type
|
hyperbolic navigation system
pulsed radio signals
|
|
gptkbp:usedBy
|
gptkb:aircraft
ships
|
|
gptkbp:usedDuring
|
gptkb:World_War_II
|
|
gptkbp:usedIn
|
gptkb:maritime_navigation
aviation navigation
coastal navigation
|
|
gptkbp:bfsParent
|
gptkb:Rad_Lab
|
|
gptkbp:bfsLayer
|
5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
LORAN navigation system
|