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Subsequently , communication systems using a number of low - altitude satellites
were seriously considered , because the time required for a signal to reach a low
- altitude satellite and return to Earth is less than that using a synchronous ...
Communication satellites also draw widely on the electronic art . The electronic
communication circuits in a communication satellite are essentially the same as
those in an Earth - based microwave radio repeater . Certain electronic devices ...
The Caand data communication and has been used to transmit nadian
Parliament has given the Telesat Corporation , photographic information . which
was established by the Canadian government , auOther programs . NATO and
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LibraryThing ReviewUser Review - keylawk - LibraryThing
This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review