[Linrad] Re: swap i/q data

[Leif Asbrink <sm5bsz.com; leif@xxxxxxxxxxxxxxxx>]

Hi Rob,

> Is it possible to swap te I/Q data in linrad when using the sdr-iq or
> perseus? I have a icom receiver with an if output of 10.7MHz but this
> output is inverted.
Yes. Change users.c around line 174:

// This routine is responsible for setting
// int fg.passband_direction = -1 or +1 depending on whether the
// hardware local oscillator is above or below the desired signal.
//************************************************************
// This routine is responsible for setting
// int fft1_direction = fg.passband_direction

then rename to users_hwaredriver.c for Linux or wusers_hwaredriver.c
for Windows. Then run configure and make.

73

Leif

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