Cloud Attenuation in Millimeter Wave and Microwave Frequencies for Satellite Applications over Equatorial Climate |
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Authors: | J S Mandeep and S I S Hassan |
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Institution: | (1) School of Electrical and Electronic Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Seberang Perai Selatan, Pulau Pinang, Malaysia |
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Abstract: | A propagation experiment has been carried out at Penang using the SUPERBIRD-C satellite beacon. Cloud occurrences were observed
during different months and it is seen that the low cloud occurrences over Penang is very significant from October to January.
The cloud attenuation results that are presented, which include the testing of models, have been obtained from the data gathered
over five years. The specific attenuation of radio wave due to clouds at various frequencies 12 GHz, 20 GHz, 75 GHz, 50 GHz
and 100 GHz has been estimated whereby the values varies from 0.14 dB/km at 12 GHz to 10.1 dB/km at 100 GHz. |
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Keywords: | Cloud attenuation Millimeter wave Equatorial climate |
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