SATELLITE COMMUNICATION QUIZ

The location of AsiaSat I.

151.5˚ East

170.5˚ East

115.5˚ East

105.5˚ East

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A helical antenna is used for satellite tracking because of

Maneuverability

Beamwidth

Gain

Circular polarization

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The switching from one element to the other element in a typical mobile satellite array.

Radial

Matrix

Shunt

Series

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What kind of battery used by older satellites?

Lithium

Hydrogen

Magnesium

Leclanche

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As the height of a satellite orbit gets lower, the speed of the satellite ___________.

None of these

Decreases

Remains the same

Increases

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

Balun

Stub

Quarter-wavelength transformer

Microstrip tapers

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The radiation patterns of earth coverage antennas have a beamwidth of approximately

21˚

17˚

5˚

35˚

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What kind of battery panels are used in some advance satellites

Galium Arsenide solar panel array

Galium Phosphate solar panel array

Germanium based panels

Silicon based panel

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The first Philippine Mabuhay satellite has how many channels?

50

30

24

48

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