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What is rainfade?
Rainfade is a signal degredation due to the interference of rainfall or clouds.
C band satellite frequencies have the best resistance to rainfade, Ku band satellite frequencies have the next best performance, and Ka band frequencies are the most susceptible to rainfade.
Satellite systems which transmit at higher power are more resistant to rainfade. Because of this, Ka and Ku band transponders tend to transmit at significantly higher power than C band transponders.
Some satellite terminals are able to adjust their transmit power to work around rainfade.
In all other variables are equal, a larger satellite antenna will have better performance against rainfade.
Rainfade is also known as rain attenuation.
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