V

Vijay Sangwan • 28.62K Points
Instructor II

Q. For a short wave radio link between two stations via the ionosphere, the ratio of the maximum usable frequency to the critical frequency ?

  • (A) Is always less than
  • (B) May be 1depending on the distance between the two stations
  • (C) Is always greater than 1
  • (D) Does not depend on the distance between the two stations
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