Abstract
Rain attenuation is an important aspect of signal propagation mainly above 10 GHz frequency. It has also been found that the rain rate and attenuation profiles along the vertical and slant propagation path, especially at a higher rain rates and at tropical location. In this study, a simple approach is taken to study rain attenuation at various frequencies from propagation data and ground based radar measurements at Kolkata, INDIA. The ITU-R Model and the SAM Model has been utilized to provide an estimate of the slant rain rate and total attenuation from the vertical rain rate profiles.
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