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Is it necessary to use satellite for lon...

Is it necessary to use satellite for long distance T.V. transmission? Give reasons.

Text Solution

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The T.V. transmission involves the television
signal waves having the frequency range 54
MHz to 890 MHz. These waves neither follow
the curvature of earth nor they get reflected by
ionosphere. Therefore, their communication via
ground wave or sky wave is not possible. The
reception of television signals is possible either
(i) by using communication geostationary
satellite which reflects the television signals
back to earth or (ii) by using tall receiver antenna
which may directly intercept the signals.
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