Summary Technical Report of the Committee on Propagation, NDRC, Volume 1
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ADRDE altitude Anomalous Propagation antenna attenuation azimuth Committee on Propagation computed constant coverage diagram CUDWR curvature curve decrease Dielectric Dielectric Constant diffraction diffraction region distance Division 14 Report duct earth effect elevation equation equipment experiments factor field intensity field strength Figure free space frequency functions gradient ground H. G. Booker height horizontal humidity index of refraction JEIA JMRP July Laboratory land layer lobe angles maximum measurements meteorological method Microwave miles modes moisture NDRC NRSL obtained OCSO Operational OSRD permanent echoes phase plane polarization problem Radar Cross Section radiation Radio Propagation Radio Waves radius range reflection coefficient refractive index region Research S-Band Sept signal strength Snell's law standard atmosphere superrefraction surface target temperature inversion tion transmission transmitter trapping Tropospheric variations vertical Wave Propagation wavelength weather X band zone