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Avionics Practice Test: Satellite Communication
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Satellite Communication topics include: Satellite orbits, satellite communication syatems and subsystems, ground stations and satellite applications.

Related Test: Avionics Practice Test: Digital Communication Techniques

Avionics Practice Test: Satellite Communication
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25 Questions

1. Which frequency band is used for connecting the satellite system with the public switched telephone network?
2. Telemetry, command, and control (TC&C) subsystem allow a ground station to monitor and control conditions in the satellite.
3. The angle between the line from the earth station’s antenna to the satellite and the line between the earth station’s antenna and the earth’s horizon is called as ___________
4. Which technique uses two different antennas to reduce traffic on the same frequency?
5. Which of the following transponders convert the uplink signal to downlink signal using two mixers
6. What is the reason for carrying multiple transponders in a satellite?
7. Why is there a huge spectrum space between the transmitted and received signal in satellite communication?
8. Which of the following components receives, translates the signal frequency and re-transmits the signal in a satellite?
9. The satellite is accelerating as it orbits the earth.
10. What is the use of the band pass filter in the receiver section?
11. What is the number of satellites present in the Iridium system?
12. Which of the following are common baseband signals transmitted from the earth ground station?
13. What technique does DSP use to double the number of channels by using helical antennas?
14. What is the maximum theoretical data rate if a transponder is used for binary transmission and has a bandwidth of 36MHz?
15. Which of the following is not a part of the propulsion subsystem of a satellite?
16. Why is it not possible to provide transmit function by wideband amplifier and mixer circuits?
17. Which part of the transmitter subsystem modulates the baseband signal?
18. The period of time that elapses between the successive passes of the satellite over a given meridian of earth longitude is called as _____________
19. Which of the following is not a satellite subsystem?
20. The direction of orbit in the same direction of earth rotation is called ______
21. What percentage of the earth can communication satellites see?
22. What is the reason for shifting from c band to ku band in satellite communication?
23. Which frequency band does the direct broadcast satellite system use?
24. Which of the following bands cannot be used for satellite communication?
25. When individual up converters are used to modulate a channel, what is used to combine them into final signal?

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