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Figure Page 1 Antenna system
Simplified block diagram of the polarimeter
33 other sections not shown
active filter adjusted aluminum angle aluminum plate Amphenol amplitude antenna assembly antenna boom Antenna elements antenna rotation antenna system audio binding post BNC connector BNC panel connector bolt brackets carbon resistor chart clamp coaxial cable components connected DIA HOLE disk ceramic capacitor drip ring dual-gate FET electrolytic capacitor feed line feedline flip-flop front-panel gain hardware IC4a input installed integrated circuit ionospheric line cord lowpass filter magnets Mallory mixer mode switch mother board mounting head mounting plate noise obtained operational amplifier oscillator panel meter PC board phase meter polarimeter polarization angle potentiometer preamplifier printed-circuit board provides raypath receiver receiver/phase meter recorder reference pulses Reference switch reference-switch RF MODULES rotary joint rotating antenna rotating half satellite shaft-to-boom coupling signal and reference soldered spacers Sprague threaded tripod tuned Vanguard Model VHF signal voltage wire zener diode