SATELLITE COMMUNICATION QUIZ

The first satellite to receive and transmit simultaneously

Intelsat I

Syncorn I

Telstar I

Agila I

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Repeaters inside communications satellites are known as

Trancievers

Transponders

TWT

Transducers

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A satellite beam that covers almost 42.4% of the earths surface.

Hemispheric beam

Global beam

Spot beam

Zone beam

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What is the frequency range of C-band?

27.5 to 31 GHz

3.4 to 6.425 GHz

8.5 to 12.5 GHz

12.95 to 14.95 GHz

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A helical antenna is used for satellite tracking because of

Circular polarization

Beamwidth

Gain

Maneuverability

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What is a device that detects both vertically and horizontally polarized signals simultaneously?

Isomode detector

Optoisolator

Orthomode transducer

Crystal detector

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What is the local oscillator (mixer) frequency of the satellite with an uplink frequency in GHz band?

2225 MHz

2555 MHz

4500 MHz

3500 MHz

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What is the delay time for satellite transmission from earth transmitter to earth receiver?

0.5 s

5 ms

0.25 ms

1.0 s

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The smallest beam of a satellite antenna radiation pattern

Global beam

Hemispheric beam

Zone beam

Spot beam

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What band does VSAT first operate?

C-band

X-band

Ku-band

L-band

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