Operation, Echo Box TS-488A/UP.Headquarters, Department of the Army, 1991 - 14 pagina's |
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adjust the METER Agcy ANALYSIS OF RESULTS antenna and tune antenna bracket antenna rotating appropriate radar manual automatic frequency control azimuths BACKGROUND NOISE box output meter box to resonance Comd controls and indicators controls for maximum coupling loss CRYSTAL TUNING controls db.down yds decibels detuned echo box METER echo box output Echo Box TS-488A/UP figure 2-7A Frequency modulation GRASS NORMAL local oscillator megacycles METER SENSITIVITY control minima multiple decay trace NOISE OR SNOW observed ringtime oscillator Paragraph 2-20 pick-up antenna Place the radar Plan Position Indicator PPI indicator PPI screen pulse r-f energy radar antenna radar directional coupler radar equipment radar indicator RADAR PERFORMANCE CHECK radar set radar system receiver band width resonant cavity retune the echo Ringtime Indications RINGTIME MEASUREMENT shown in figure SPECTRUM ANALYSIS standing waves Stop the radar T-R box recovery temperature transmitter frequency pulling tune the echo TUNING and CRYSTAL TUNING DIAL SETTING type A indicator