Figure 7.27 Atmospheric Attenuation Due to the Rain and Fog Figure 7.28 Penetration Depth as a Function of the Frequency for Snow [Ulaby et al. 1982] Microwave Power Transmission The electrical power transmission by means of electromagnetic wave beams was introduced by P.E. Glaser in 1968. The first experiment of beaming electrical power over several kilometers by micro wave dates back to 1975. [Brown, 1984a]
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