Radiofrequency Noise Measurements in Urban Areas at 480 and 950 Megahertz |
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28 V dc 90 percent 950 megahertz antenna elevation Attenuator automobile ignition noise average noise power bandwidth characteristically impulsive Cleveland Coaxial relay Congested intersection dB above KTB distribution about average due to antenna eight-cylinder engine running extrapolated Figure heavy and light High-voltage distribution station impulsive and random included residential areas kilohertz KTB for 90 Lewis Research Center Light industry major street intersections man-made noise monitor NASA Noise count noise data obtained noise discrimination due Noise distribution noise figure noise levels obtained noise measuring system noise observed Noise probability distribution noise recording noise standard observed was characteristically Ohio oscillator Oscillator frequency Oscilloscope Performing Organization portable Radiofrequency noise data radiofrequency noise measuring radiofrequency rf record the root-mean-square recordings at urban Reference channel Reference count rf noise surveys self-powered radiofrequency noise signal crest factor sites included residential Tape recorder UHF noise Ultrahigh frequency urban quiet noise urban RF noise various urban sites very-high-frequency
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Page 16 - of the Advisory Committee for Land Mobile Radio Services from Working Group 3,