Distances near the skip distance should be used for sky-wave propagati – McqOptions

MCQOPTIONS

1.	Distances near the skip distance should be used for sky-wave propagation
A.	to avoid the Faraday effect
B.	to avoid tilting
C.	to prevent sky-wave and upper ray interference
D.	so as to exceed the critical frequency
Answer» D. so as to exceed the critical frequency

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