

MCQOPTIONS
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1. |
Which range of frequencies is suitable for sky wave propagation? |
A. | \[1\,kHz\] to \[500\,kHz\] |
B. | \[1\,MHz\] to \[2\,MHz\] |
C. | \[2\,MHz\] to \[20\,MHz\] |
D. | Above \[30\,MHz\] |
Answer» D. Above \[30\,MHz\] | |