Satellite Communication

1.The first geostationary satellite launched in 1965 was called

ANIK EARLY BIRD (Intelsat-I) WESTAR MOLNIYA

2.Rotation of a geosynchronous satellite means its

drift from stationary position wobbling three-axis stabilization three-dimensional stabilization

3.The present total cost per watt of power generation in geosynchronous orbit is nearly Rs.

20 50 100 5

4.Noise temperature of Sun is more than __________ °K.

1000 5000 100000 500

5.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.

100 4 1 10