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Training of Operators
Other Electronic Navigation Systems
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accuracy accurate aircraft amplitude angle appear beam width bearing resolution buoy cathode-ray tube cause Chapter circuit cloud echoes corner reflector Course Line Decca detected determined device direction distance distance measuring equipment distortion echo box electronic F-layer Flight Path frequency ground wave horizontal identify interference interval ionosphere land light lines-of-position lobe echoes long range loran indicator loran lines loran stations marker maximum range measured microseconds miles minor lobe nautical miles navigation objects obtained pattern pilot plane position PPI scope present r-f energy racon radar antenna radar beam radar equipment radar indicator radar operation radar scope radar set radio direction finders radio waves ramark range and bearing range resolution range scale reading receiver gain reflected relative screen sea return ship ship's shore line signals sky wave slave slave station spacing spot surface sweep target tion trace usually vacuum tubes vertical voltage yards