| 1. | A helical antenna is used for satellite tracking because of _________ |
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Answer: (a).Circular polarization
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| 2. | Repeaters inside communications satellites are known as ___________ |
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Answer: (b).Transponders
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| 3. | ___________ is the geographical representation of a satellite antenna radiation pattern. |
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Answer: (a).Footprint
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| 4. | The smallest beam of a satellite antenna radiation pattern is ________ |
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Answer: (c).Spot beam
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| 5. | _________ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lowers its frequency. |
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Answer: (b).LNA
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| 6. | A satellite signal transmitted from a satellite transponder to earth’s station is _________ |
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Answer: (b).Downlink
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| 7. | __________ is a loss of power of a satellite downlink signal due to earth’s atmosphere. |
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Answer: (b).Path loss
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| 8. | Which of the following is the point on the satellite orbits closest to the Earth? |
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Answer: (b).Perigee
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| 9. | What kind of battery panels are used in some advanced satellites? |
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Answer: (d).Gallium Arsenide solar panel array
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| 10. | A satellite battery has more power but lighter _________ |
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Answer: (a).Lithium
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