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The performance of earth-to-satellite link largely depends on variousenvironmental factors like rain, fog, cloud, and atmospheric effects likeionospheric and tropospheric scintillation. In this paper, the troposphericscintillation of Bangladesh, a subtropical country, is predicted based onmeasured climatic parameters, like relative humidity, temperature. In thisprediction, ITU scintillation model are used. Four major cities, named Dhaka,Chittagong, Rajshahi and Sylhet, of Bangladesh are selected for prediction ofscintillation. From the simulation result, Rajshahi is found to be the mostbadly affected region by the scintillation fade depth (SFD), which is followedby Chittagong and the SFD is minimum in Dhaka and Sylhet. The difference inSFDs among the considered cities does not vary heavily. It is also found thatthe SFD varies from 3 dB to 13 dB depending on the frequency in used. Moreover,higher scintillation is found in rainy season of Bangladesh. During thisperiod, the scintillation becomes double of the average figure.

The Tropospheric Scintillation Prediction based on measured data for earth-to-satellite link for Bangladeshi climatic condition