San Francisco : Architect and Engineer, Inc · leaf 420
a signal fromthe broadcasting tower is picked up by manyhome sets scattered throughout the country, whilein radar the transmitting and receiving stationsare located in the same place. RADAR MAP Southwest tip of Walesshown at night on cath-ode-ray tube of H2Sapparatus in an R. A. F.plane. It was… … SEPTEMBER, 1946 29 In fact, a single antenna is commonly used inradar to do both jobs of sending and receiving.First, a short burst of energy is sent out from theantenna while it is hooked up to the transmitter.Then after a fraction of a second of silence thereceiver picks up the return signal. The…
Architecture · Building
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![An illustration from Famous airmen and their equipment [electronic resource] : with some notes on first-aid in emergencies (1912)](https://img.insideoutlibrary.com/img/200/ia-b20457716-15-12.webp)
