Anomalies in attenuation and emission by rain at 37 GHz (8.1 mm)

Anomalies in attenuation and emission by rain at 37 GHz (8.1 mm)

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Comparisons of rain-attenuation measurements at 37 GHz, obtained by using the Sun as a source, with those inferred from sky-emission observations, show that large errors can arise in the latter technique owing to variation of the apparent absorber temperature. This is possibly because of strong scattering associated with a nonuniform distribution of attenuation across the sky.


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