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Radiometric measurements of rain attenuation and estimation of rain height
P K KARMAKAR, S CHATTOPADHYAY, A K SEN, C J GIBBINS
Published in -
2000
Volume: 29
   
Issue: 3
Pages: 95 - 101
Abstract
Measurements of rain attenuation at 22.235 and 31.4 GHz have been made during 1991 in Calcutta using microwave radiometers, and compared with calculated attenuation using different rain drop-size distributions. For low rain rates, the Joss et al.'s (drizzle) distribution was found to be the most appropriate. From the radiometric measurements and calculated attenuations, estimates have been made of the rain height and compared with predictions made from the ITU-R model. For the year 1991, the rain height was estimated to be 2.7 km at 22.235 GHz and 2.3 km at 31.4 GHz, as compared to a value of 3.1 km predicted by the ITU-R model.
About the journal
JournalIndian Journal of Radio and Space Physics
Publisher-
ISSN0367-8393