Communication Systems

Q1: For F2 layer the critical frequency is about

A 500 MHz

B 100 MHz

C 25 MHz

D 10 MHz

ANS:D - 10 MHz

The Critical frequency for D layer is 100khz.
For E layer 3-5Mhz.
For F1 layer 5-7Mhz.
For F2 layer 10Mhz.



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