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Satellite Communication

Satellite Communication
AsiaSat I covers how many countries in Asia?

15
10
38
28

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Satellite Communication
The most common device used as an LNA is

Tunnel diode
Shockley diode
Zener diode
IMPATT

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Satellite Communication
A helical antenna is used for satellite tracking because of

Gain
Circular polarization
Beamwidth
Maneuverability

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Satellite Communication
Which of the following is the first active satellite?

Early Bird
Sputnik I
Telstar I
Echo I

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

Isomode detector
Optoisolator
Crystal detector
Orthomode transducer

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Satellite Communication
A method of multiple accessing where a given RF channel bandwidth is divided inot smaller frequency band.

TDMA
CDMA
ANIK-D
FDMA

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