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What is are the advantages of satellite communication over the other communication system? Satellite communication systems are very dependable due to the unlikelyhood of an interruption of the flow of energized communication when compared to other systems, notably terristial radio. Satellite communication systems can be interrupted at those frequencies where rain drops are near the size length of the wavelength of the RF, but otherwise clouds nor darkness interfere.
Too, the satellite systems must be in line of sight from the ground station and the satellite unless the one satellite can relay to another distant satellite in a chain of two or more to move the communication beyond line of sight and around the globe. The receive station must be in line of sight of the satellite, too, but not in line with the sending station.
Further, the bandwidth is generally greater than most other systems. Terrestial radio systems that wish to perform beyond the horizon are unreliable due to the changes in the height of the ionosphere, all kinds of radio noise, and variations in RF power and antenna productivity. Due to shared use of the radio spectrum, radio bandwidth is limited compared to satellite systems. Wire communication systems are only very effective when the wire is continuous between the sender and receiver not cut and if the electric power in the wire is great enough to travel by wire over expected distances.
Amplifiers can be used to relay a weak wire signal, amplify it, and send it on down the wire. Wire has limited bandwidth, but fiber optic systems equal or exceed satellites in bandwidth. Signal flags semiphore and manual waving, flashing lights in Morse code, yelling by amplified or natural voice, drums and other natural non electrical methods are also useful in communication over distances, but have their obvious limitations.
SOLUTION MANUAL OF SATELLITE COMMUNICATION BY DENNIS RODDY PDF
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