The point where the antenna is mounted with respect to the parabolic

The point where the antenna is mounted with respect

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37. The point where the antenna is mounted with respect to the parabolic reflector is called 38. Using a small reflector to beam waves to the larger parabolic reflector is known as 39. Increasing the diameter of a parabolic reflector causes which of the following and 40. A helical antenna is made up of a coil and a 41. The output of a helical antenna is 42. A common omnidirectional microwave antenna is the Chapter 11: Introduction to Sat-Com 1. As the height of a satellite orbit gets lower, the speed of the satellite 2. The main functions of a communications satellite is a a(a) 3. The key electronic component in a communications satellite is the 4. A circular orbit around the equator with a 24 h period is called a(n) 5. A satellite stays in orbit because the following 2 factor are balanced 6. The height of a satellite synchronous equatorial orbit is in a 7. Most satellites operate in which frequency band? 8. The main power sources for a satellite are 9. The maximum height of an elliptical orbit is called
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©2008 Created by Kai Raimi – BHC COMMUNICATION ELECTRONIC 2 ND EDITION - FRENZEL 16 10. Batteries are used to power all satellite 11. The satellite subsystem that monitors and controls the satellite is the 12. The basic technique used to stabilize a satellite is 13. The jet thrusters are usually fired to 14. Most commercial satellite activity occurs in which bands? 15. How can multiple earth stations share a satellite on the same frequency 16. The typical bandwidth of a satellite band is 17. Which of the following is not usually a part of a transponder 18. The satellite communications channels in a transponder are defined by the 19. The HPAs in most satellites are 20. The physical location of a satellite is determined by its 21. The receive GCE system in an earth station performs what function(s)
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