Electronics and Communication Engineering - Satellite Communication

Exercise :: Satellite Communication - Section 1

11. 

To make antenna more directional, either its size must be increased or

A. the number of its feed horns must be increased
B. the frequency of its transmission must be increased
C. its effective isotropic radiated power (EIRP) must be increased
D. its footprint must be increased

Answer: Option B

Explanation:

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12. 

India's first domestic geostationary satellite 1NSAT-IA was launched on 10th April 1982 from

A. USSR
B. USA
C. UK
D. UP

Answer: Option B

Explanation:

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13. 

Satellite launch sites are invariably located on Eastern seaboards to ensure that

A. launch takes place eastward
B. expenditure of propulsion fuel is reduced during plane changing
C. the satellite achieves circular orbit quickly
D. spent rocket motor and other launcher debris falls into the sea

Answer: Option D

Explanation:

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14. 

The owner of a communication satellite is usually required to keep the spacecraft on station at its assigned place in the geosynchronous orbit with an accuracy of __________ degree.

A. 0.1
B. 1.0
C. 2.0
D. 0.5

Answer: Option A

Explanation:

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15. 

The number of days when Earth's shadow falls on a geosynchronous satellite is

A. 88
B. 277
C. 5
D. 10

Answer: Option A

Explanation:

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