Science: Shoran in Korea

Unlike the radar bombsight, which has to "see" its target by means of radar waves, Shoran (Short Range Air Navigation) can put bombs on a target that has not been seen at all. It needs nothing but an accurate map with the target marked. Last week the Air Force announced that it has begun to use Shoran in Korea.

A bomber equipped to use Shoran carries a radio transmitter that sends out short pulses of ultra high frequency (above 300 megacycles) waves. Two ground stations at well-separated points behind friendly lines pick up the airplane's pulses and echo them back greatly...

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