The maximum usable frequency of an ionospheric layer at 60 incidence and with 8 MHz critical frequency is

The maximum usable frequency of an ionospheric layer at 60 incidence

1.	The maximum usable frequency of an ionospheric layer at 60 incidence and with 8 MHz critical frequency is
A.	16 MHz
B.	16/
C.	MHz
D.	8 MHz
E.	about 6.93 MHz
Answer» C. MHz

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The maximum usable frequency of an ionospheric layer at 60 incidence and with 8 MHz critical frequency is

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