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Transmission Experiments over Massachusetts Bay
Transmission Experiments near San Diego
Transmission Experiments in Arizona
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absorption aireraft altitude amplitudes angle of arrival antenna atmosphere average balloon band bandwidth calculated cent centimeter cireuit computed correlation critical wavelengths cross section curve decibels decrease deficit determine diameter dielectric constant drop size distribution duct width echo effect elevation equation equipment experimental field strength Figure fluctuation forecasting free space frequency given gradient GRAZING ANGLE ground humidity index of refraction lapse rate layer liquid water maximum measurements ments meteorological meter microwave miles modified index NDRC observed obtained occur one-way path precipitation rate propagation pulse Radiation Laboratory radio radiosonde rain range ratio receiver record reflection coefficient refractive index Report Researeh S-band sea level sea surface shows signal strength soundings standard surface ducts Table targets temperature inversion theoretical tion transmission transmitter trapping values vapor pressure variation velocity water drops water vapor wave wavelength weather wind speed X band