How does QPSK31 bandwidth compare with BPSK31 bandwidth?
AnswerIts bandwidth is approximately the same as BPSK31.
The official G8A06 source states that QPSK31 occupies approximately the same bandwidth as BPSK31.
General · FCC ELEMENT 3
G8A06-C
General · FCC Element 3 · tap to reveal · auto reveal optional