rtl_fm problem with capture audio

Adam Nielsen a.nielsen at shikadi.net
Wed Nov 14 23:57:50 UTC 2012


> Thanks, realy -l 0 help me. Problem with correct frequency.
> Why it is not correct?
> When I set -f434500000 -> Tuned to 434753575 Hz
>                   -f100000000 -> Tuned to 100253575 Hz
>
> Can you explain this?
> How I can calculate right frequency?

I think it's because it tunes to an offset, to avoid the centre spike. 
The frequency you use on the command line is what is actually decoded.

I thought this is what the -E option was for, but WBFM reception sounds 
really bad when I use -E.

Cheers,
Adam.




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