radio compass


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radio compass:

see radio rangeradio range,
geographically fixed radio transmitter that radiates coded signals in all directions to enable aircraft and ships to determine their bearings. An aircraft or ship can determine its line of position and drift if it knows its bearing relative to the radio transmitter
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radio compass

[′rād·ē·ō ′käm·pəs]

radio compass

radio compass
Plane of the loop aerial at right angle to the incoming signal
radio compass
Plane of the loop aerial in line with the incoming signal
radio compassclick for a larger image
An airborne direction finder operating in a medium frequency in conjunction with nondirectional beacons or radio stations operating in a medium wave. The system consists essentially of a loop aerial superimposed with a selsyn system to remove 180° ambiguity.
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