Distinguish between 'sky wave' and 'space wave modes of propagation in a communication system.
Distinguish between 'sky wave' and 'space wave modes of propagation in a communication system.
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| S.No | Sky wave | Space Wave |
| (i) | Restricted up to a few MHz frequency (30 to 40 MHz) | Can take place (even) beyond 40 MHz frequency |
| (ii) | Waves are reflected back from ionosphere | Space waves travel in a straight line, either direct from transmiting antenna to receiving through satellite |
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