Question

wch mode of propagation is used for shortwave broadcast service

Answer 1

hich mode of propagation is used by shortwave broadcast services having frequency
communicationsystem , cbse
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prasanna  Sep '16
created
Sep '16 last reply
Sep '16 1
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user (i) Which mode of propagation is used by shortwave broadcast services having frequency range from a few MHz upto 30 MHz ? Explain diagrammatically how long distance communication can be achieved by this mode.
(ii) Why is there an upper limit to frequency of waves used in this mode ?