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Which frequency band is used for connecting the satellite system with the public switched telephone network?(a) L band(b) Ku band(c) C band(d) Ka band |
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Answer» The correct answer is (d) Ka band To explain: The satellites communicate with ground stations called gateways that connect the system to the public switched telephone network. The satellites also communicate among themselves. Both gateway and intersatellite communication takes place over Ka band frequencies. |
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