1. | For global communication, the number of satellites needed is |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |
2. | In communication satellites, the up-link normally operates at a higher frequency than the down-link because it |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
3. | Which of the following factor does NOT contribute to the drift of a geostationary satellite from its stationary position in space? |
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Answer: Option D Explanation: No answer description available for this question. Let us discuss. |
4. | In the case of a 70-MHz IF carrier for a transponder bandwidth of 36 MHz, energy must lie between MHz. |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |
5. | In satellite communication, frequency modulation is used because satellite channel has |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |
6. | The Sun blots out the transmission of a geosynchronous satellite twice a year when satellite passes directly in front of it. This outage lasts for about |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
7. | For satellite communication, standard Earth stations have antenna diameters in the range of __________ metre. |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
8. | The most effective anti jamming technique is |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |