In communication satellites, the up-link normally operates at a higher frequency than the down-link because it-A-gives a narrow beam shining into spaceB-results in lesser signal attenuationC-gives better beam shapingD-is easier to polarize a high frequency beam-A-gives a narrow beam shining into space

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A gives a narrow beam shining into space Obviously, the radius of the satellite is much smaller than the earth so use a narrow concentrated beam for uplink.

Satellite Communication

In communication satellites, the up-link normally operates at a higher frequency than the down-link because it

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Satellite Communication

In communication satellites, the up-link normally operates at a higher frequency than the down-link because it

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