Maximum usable frequency (MUF) in $F$-region layer is $x$, when the critical frequency is $60\ MHz$ and the angle of incidence is $70{^\circ}$. Then $x$ is

Question

Dr. Abubacker · Accepted Answer

(c) $MUF = \frac{f_{c}}{\cos	heta} = \frac{60}{\cos{70{^\circ}}} = 175\ MHz$

Q. Maximum usable frequency (MUF) in $F$-region layer is $x$, when the critical frequency is $60\ MHz$ and the angle of incidence is $70{^\circ}$. Then $x$ is

Explanation

Reviewed by Dr. Abubacker

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