Amateur Extra · FCC ELEMENT 4

E8C01

Amateur Extra · FCC Element 4 · answer reveals automatically

What is Quadrature Amplitude Modulation or QAM?

AnswerTransmission of data by modulating the amplitude of two carriers of the same frequency but 90 degrees out of phase

Quadrature Amplitude Modulation carries data by modulating two carriers of the same frequency that are 90 degrees out of phase.