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1.
…………… is considered as the unsolved problem in satellite system.
2.
As the height of a satellite orbit gets lower, the speed of the satellite……………
3.
A satellite beam that covers almost 42.4% of the earth’s surface is called ……………
4.
A geosynchronous satellite
5.
A transponder is a satellite equipment which
6.
The INTELSAT-IV satellite launched in 1974 had two earth coverage antenna and two narrower-angle antennas subtending 4.5°. The signal from narrow-angle antenna was stronger than that from earth- coverage antenna by a factor of ……………
7.
The angle subtended by earth at geostationary communication satellite is……………
8.
The discussing sharing of a communication satellite by many geographically dispersed Earth station, DAMA means
9.
A 20 m antenna gives a certain uplink gain at frequencies of 4/6 GHz. For getting same gain in the 20/30 GHz band, antenna size required is ……… metre.
10.
Of the four INSAT-I satellites planned by India so for, only…………… has proved to be successful.