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Amateur Extra · FCC ELEMENT 4

E2E04-A

Amateur Extra · FCC Element 4 · answer reveals automatically

EXTRAE2 · Operating Procedures
E2E04-A

What modulation method is characteristic of FST4?

AnswerFour-tone Gaussian frequency shift keying.

The official E2E04 source identifies four-tone Gaussian frequency shift keying as an FST4 characteristic.