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0 votes
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in Communication Systems by (48.1k points)
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Which of the following frequencies will be suitable for beyond the horizon communication using sky waves?

(a) 10 kHz 

(b) 10 MHz

(c) 1 GHz 

(d) 1000 GHz

1 Answer

+1 vote
by (48.5k points)
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Best answer

(b) 10 MHz

Frequency of 10 KHz will require very large radiating antenna while frequencies 1GHz and 1000 GHz will penetrate the ionosphere and cannot be reflected by it.

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