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Assume a satellite communication system based upon a highly elliptical polar orbit approximately centered over the...

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Physics

Assume a satellite communication system based upon a highlyelliptical polar orbit approximately centered over the AtlanticOcean. Communication is to be maintained between a U.S. station andone in the United Kingdom. The frequency of operation is a 435-MHzuplink and 145-MHz downlink.

Discuss the type of antennas that might be used for both uplinkand downlink. What are the implications—pros and cons—of each type?Will tracking or positioning equipment be needed? If so, for whichtypes of antennas? Will communication ever be interrupted; if so,when?

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