This signal was then delayed so that it was ... radio transmitter and used to obtain a measurement of the waveform transmitted by the radar. The other is pointing towards the opposite direction ...

Radar worked by sending out a radio wave and analyzing the reflected wave after it bounced off any objects in the air. The rectifier's job was to translate the reflected signal into the direct ...

[Glenn] is building his ground penetrating radar with a bare minimum of parts. A Baofeng VHF/UHF My First Radio™ serves as the signal generator, the controller is just an optoisolator ...