SATELLITE COMMUNICATION QUIZ

_________ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lower its frequency.

Horn antenna

Satellite receiver

LNA

Satellite dish

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the first active satellite?

Telstar I

Sputnik I

Echo I

Early Bird

TRUE ANSWER : ?
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What is the first passive satellite transponder?

Sun

Score

Early Bird

Moon

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The most common device used as an LNA is

Shockley diode

IMPATT

Tunnel diode

Zener diode

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YOUR ANSWER : ?

A helical antenna is used for satellite tracking because of

Beamwidth

Circular polarization

Maneuverability

Gain

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A satellite cross-link means

Satellite-to-satellite link

None of these

Satellite-to-earth link

Earth-to-satellite link

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YOUR ANSWER : ?

What is the approximate path loss from satellite-to-earth station?

200 dB

150 dB

175 dB

100 dB

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A satellite batter has more power but lighter.

Leclanche

Magnesium

Hydrogen

Lithium

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

1.0 s

0.5 s

5 ms

0.25 ms

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

Isomode detector

Crystal detector

Optoisolator

Orthomode transducer

TRUE ANSWER : ?
YOUR ANSWER : ?

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