Prior to installation of gqrx make sure pulseaudio is available during build by installing the following:
git clone https://github.com/csete/gqrx.git
sudo make install
Typical device strings:
For the b200:
For the X310 with LFRX in slot 2:
For the X310 with WBX in slot 1:
When switching between devices in gqrx the gain control changes will segfault the application. Fix this by deleting the “gains” section in:
Sending gqrx audio to fldigi:
Install fldigi with yum
Configure fldigi sound card to use pulseaudio, leaving server string empty
Launch pulseaudio volume control, and under recording tab, fldigi capture from monitor of built-in audio analog stereo, and set level to 0 dB.
Adjust fldigi waterfall upper signal level and signal range.