Atmospheric noise or static is not a great problem A. at frequencies below 20 MHz B. at frequencies below 5 MHz C. at frequencies above 30 MHz D. at frequencies above 1 MHz

Atmospheric noise or static is not a great problem
A. at frequencies below 20 MHz
B. at frequencies below 5 MHz
C. at frequencies above 30 MHz
D. at frequencies above 1 MHz
by

1 Answer

Answer :

C. at frequencies above 30 MHz
by

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