Before revision: ), The ARRL Operating Manual for Radio Amateurs, American Radio Relay League, 2007,, page 6-4 Implementation Typically this is a network in the Intermediate Frequency section of the receiver; when a pulse of noise passes through the IF amplifiers, it is usually of greater amplitude than the desired signal.
After revision: ), The ARRL Operating Manual for Radio Amateurs, American Radio Relay League, 2007,, page 6-4 Implementation Typically this is a network in the intermediate frequency section of the receiver; when a pulse of noise passes through the IF amplifiers, it is usually of greater amplitude than the desired signal.