Noise temperature of Sun is more than __________ °K.

More Questions from Satellite Communication

• In the case of a 70-MHz IF carrier for a transponder bandwidth of 36 MHz, energy must lie between MHz.
• As compared to 17.34° antenna, the total increase in the signal relayed by 4.5° antenna of INTELSAT-IV is
• The INTELSAT-IV satellite launched in 1974 had two earth coverage antenna and two narrower-angle antennas subtending 4.5°. The signal from narrow-angle antenna was stronger than that from earth- coverage antenna by a factor of
• Power received from Sun per m2 surface area of a geosynchronous satellite in nearly __________ watt.
• At present, the radio-frequency band mainly used by most satellites is
• A transponder is a satellite equipment which
• Which one of the following statement is correct?
• In communication satellites, the up-link normally operates at a higher frequency than the down-link because it
• In a stop-and-wait ARQ system, the transmitting terminal
• The angle subtended by earth at geostationary communication satellite is

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