Radar, what it is |
Contents
UNDERLYING PRINCIPLES CHAPTER 4 HOW GROUND TROOPS USED | 35 |
ing Distance by Sound 2 Why the EarlyWarning Use of Radar 36 | 44 |
THE BASIC RADAR SET 9 Fire Control 49 Radar Radar Watches | 51 |
Copyright | |
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Common terms and phrases
accuracy aircraft altitude antiaircraft apparatus azimuth baseline beam of radio bomb bombers cathode-ray tube coarse scope course defense detect determined developed device direction distance echo returns echo signal elapsed electrical electron beam elevation enemy feet fire control flying frequency German GLIDE PATH Ground-Controlled Approach Ground-Controlled Intercept gun director horizontal horn indicated installations instant interceptor interceptor planes intervals land light waves located loop miles Loran marker pips maximum range means microseconds moving nautical miles navigator observer pilot pip appears plane platform position PPI scope PPI screen PPI tube Racon radar antenna radar beam radar equipment radar operator radar set radar system radiated radio energy radio waves range and azimuth range scope receiver rotating scan Scharnhorst scope screen searchlights ships shown in Fig sound wave space speed spot of light started station target pip tenna timer tion transmitter U-boats vertical yards