radionavigation land station
A station in the radionavigation service not intended to be used while in motion. [NTIA] [RR]
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Description
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radionavigation mobile station
A station in the radionavigation service intended to be used while in motion or during halts at unspecified points. [NTIA] [RR]
radionavigation-satellite service
A radiodetermination-satellite service used for the purpose of radionavigation. This service may also include feeder links necessary for its operation. [NTIA] [RR]
radiosonde
An automatic radio transmitter in the meteorological aids service usually carried on an aircraft, free balloon, kite, or parachute, and which transmits meteorological data. [NTIA] [RR]
radiotelegram
A telegram, originating in or intended for a mobile station or a mobile Earth station transmitted on all or part of its route over the radiocommunication channels of the mobile service or of the mobile-satellite service. [NTIA] [RR]
radiotelemetry
Telemetry by means of radio waves. [NTIA] [RR]
radiotelephone call
A telephone call, originating in or intended for a mobile station or a mobile Earth station, transmitted on all or part of its route over the radiocommunication channels of the mobile service or of the mobile-satellite service. [NTIA] [RR]
radiotelephone distress frequency
An international distress and calling frequency for mobile radiotelephone stations, survival craft, and emergency position-indicating radio beacons.
Note: An example of a radiotelephone distress frequency is 2180 kHz. [From Weik '89]
radiotelex call
A telex call, originating in or intended for a mobile station or a mobile Earth station, transmitted on all or part of its route over the radiocommunication channels of the mobile service or the mobile-satellite service. [NTIA] [RR]
RADIUS
Remote Authentication Dial In User Service
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