Test plan and preliminary report of airborne electromagnetic environment survey over U.S.A. urban areas 0.4 to 18.0 GHz
National Aeronautics and Space Administration, 1975 - Science - 73 pages
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2MHz 35 mm film 470 MHz band 50 mile path Adjust spectrum aerial survey aircraft altitude analyzer to band analyzer to examine ASN-115A SG Horn band land mobile bandwidth cavity-backed spiral antenna Cessna Chicago Chicago Chicago EIRP emitter end of run equipment rack ERTS Flight Profile examine smaller frequency exposure Final Report flight paths Flight Profile Map FLIGHT REQUIREMENTS SUMMARY frequency band frequency scan fuselage high altitude balloon horizon horizon-looking antenna horizon-looking H-1498 antenna HP-8445B preselector input identification on tape instrumentation land mobile band land mobile survey LOCATION metropolitan areas MHz Figure nadir-looking antenna NASA Notch Filter operation Palestine Palestine Palestine Philadelphia Preamplifier RADIO ASTRONOMY RADIO HORIZON RCA Service Company Readjust spectrum analyzer regions see Table Run Sample Frame scan width Scientific Atlanta smaller frequency regions statute miles Switch camera timer tape recorder microphone test plan Texas tn HC U.S. urban areas wide-band horn antenna York City