| radi | an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m |
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| radi | an electromagnetic wave frequency between audio and infrared |
| radi | radio telescope that uses interference patterns from two antennas instead of a parabolic antenna |
| radi | a two-way radio communication system (usually microwave) |
| radi | a radio broadcast of news |
| radi | static at radio wavelengths |
| radi | an observation made with a radio telescope |
| radi | someone who operates a radio transmitter |
| radi | an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m |
| radi | an electronic receiver that detects and demodulates and amplifies transmitted signals |
| radi | astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extra-terrestrial sources |
| radi | an electronic receiver that detects and demodulates and amplifies transmitted signals |