Question

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 1

Answer:

option (c) 2 MHz to 20 MHz...

Answer 2

option (c) 2 MHz to 20 MHz ...

hoped its helps you