SATELLITE COMMUNICATION QUIZ

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

CDMA

FDMA

TDMA

ANIK-D

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What kind of battery used by older satellites?

Magnesium

Lithium

Leclanche

Hydrogen

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A satellite cross-link means

Earth-to-satellite link

Satellite-to-satellite link

Satellite-to-earth link

None of these

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Which of the following is the first commercial satellite?

Explorer

Courier

Telstar

Early Bird

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Most mobile satellite array uses ___________ in transforming 50 to 150 Ω impedance.

Stub

Quarter-wavelength transformer

Microstrip tapers

Balun

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Satellite engine uses

Liquid fuel

Ion propulsion system

Jet propulsion

Solar jet

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What circuit is responsible in activating and deactivating adjacent antenna elements in a mobile satellite array?

Radial multiplexer

Divider/combiner

Radial divider

Radial combiner

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The location of AsiaSat I.

105.5˚ East

170.5˚ East

151.5˚ East

115.5˚ East

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

Satellite dish

Horn antenna

LNA

Satellite receiver

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

0.5 s

1.0 s

0.25 ms

5 ms

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