Friends…
i’ve been workin out examples using GRC. tried to build a fm demod based
on
the kd7lmo nbfm decoder, for using with
nws_nbfm_4_stations_256k_complex.dat. i generated the filter coefficents
using normal gr firdes method and pasted the coefficients into the tap
field… i’m unable to hear the stations, althou fft sink shows me four
peaks
as mentioned in the webpage. i was able to decode and hear the same
using
the nbfm decoder code put in kd7lmo website.
pls do look into the generated xml and tell me where i’ve done wrong.
btw, is there any other way to invoke firdes methods inside grc ??
thanks…
jon
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