WAeronautical earth stationWAeronautical stationWAircraft earth stationWAmateur radio stationWBase earth stationWBase stationWCoast earth stationWCoast radio stationWEmergency position-indicating radiobeacon stationWFeeder linkWAtmospheric satelliteWInstrument landing systemWInstrument landing system glide pathWInstrument landing system localizerWLand earth stationWLand mobile earth stationWLand stationWMarker beaconWMobile earth stationWMobile radio stationWPort stationWPrimary radarWRadarWRadar beaconWRadio astronomyWRadio beaconWRadio direction-finding stationWRadiolocation land stationWRadionavigation land stationWSatellite emergency position-indicating radiobeacon stationWSatellite linkWSatellite radio systemWSecondary surveillance radarWShip earth stationWShip stationWRadiosondeWSpace radio stationWSpace radio systemWStandard frequency and time signal station
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