Word: azimuth
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Dates: during 1940-1949
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...precision system is the heart of G.C.A. It consists of two radars which "scan" the approach area with fixed antennae. The elevation beam shows the plane's altitude and its rate of descent. The azimuth beam shows the direction of the plane's approach and its distance from the landing field. In both indicators, the plane's air track appears on calibrated error meters-with a hairline representing the ideal approach. On the basis of these meter readings, the pilot gets such verbal instructions as "Change course to 064 degree heading" or "Increase rate of descent...
...shooting, once he took up mortars. On Guadal he boasted he could lob a shell down a chimney, and did. When a Jap cruiser closed in to shore, Lou lobbed a few shells at it (like firing bee-bees at a bomber), explained, "I wanted to check my azimuth and it's just right." Many a mortar crew in the Solomons was Diamond-polished...