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ESE 2021 Technical Quiz 137|| Communication satellites, orbits, characteristics, systems, uses

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Question 1

Each earth station’s transmission is encoded with a unique binary word called

Question 2

In the satellite communication type of antenna used at the transponder side for better efficiency is?

Question 3

In satellite communication, Faraday rotation is caused by

Question 4

A geostationary satellite located at about 35000 km from earth can cover

Question 5

In a satellite communication, the uplink power level is generally high and power level of the received down link signal is low because:
1). High signal attenuation due to free space loss.
2). Limited available down link power.
3). Finite satellite down link antenna gain, which is dictated by the required coverage area.

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ESE & GATE EC General

Jul 9ESE & GATE EC