A detail help info on hackrf_transfer

Osmocom Sink has three gain,

RF gain

which is the switch for 14dB MGA-81563 amplifier.

IF gain

runs from 0 – 47 dB in osmocom_siggen runs from 0 – 40 dB in osmocom_fft

BB gain

RX: 0 – 62 dB (osmocom_fft)

So I guess the parameters of hackrf_transfer mean:

And I think we should update the help info of hackrf_transfer.

And Then

Good catch. I fixed the help in git, and I swiped -i for the IF
frequency control since it didn’t make any sense for RX VGA (baseband)
gain (which is now -g).


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