Consider the following statements about the maximum usable frequency ( – McqOptions

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1.	Consider the following statements about the maximum usable frequency (MUF) for radio communicationbetween two specified points using an ionospheric layer:1. MUF is equal to critical frequency2. MUF is more than the critical frequency3. MUF depends upon the height of the ionospheric layer4. MUF depends upon the distance between the two pointsWhich of these statements are correct?
A.	1, 2, 3 and 4
B.	2 and 3 only
C.	3 and 4 only
D.	2 and 4 only
Answer» E.

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