| radi | omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received |
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| radi | an announcer whose voice is broadcast on radio |
| radi | omnidirectional antenna comprising the part of a radio receiver by means of which radio signals are received |
| radi | the branch of astronomy that detects and studies the radio waves emitted by celestial bodies |
| radi | a radio station that broadcasts a directional signal for navigational purposes |
| radi | a characteristic signal emitted by a transmitter used for navigation |
| radi | a signal transmitted along a narrow path |
| radi | the strength of a radio wave picked up by a radio telescope |
| radi | a broadcast via radio |
| radi | a chassis for a radio receiver |
| radi | a direction finder that gives a bearing by determining the direction of incoming radio signals |
| radi | measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects |