Determine a formula relating the range r from the satellite

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Reference no: EM131864821

Problem

1. A fixed satellite terminal has a 10-m parabolic dish with 60% efficiency and a system noise temperature of 70°K. Fmd the GIT ratio of this terminal at 4 GHz. Suppose it was a terrestrial mobile radio using an omnidirectional antenna. What would you expect the equivalent noise temperature of the mobile antenna to be?

2. For a geostationary satellite at altitude h (36,000 km), determine a formula relating the range r from the satellite to an earth station to the satellite elevation 0 relative to the earth station. (Let Re = 6400 km be the radius of the Earth.)

Reference no: EM131864821

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