I'd like to know, but I'm not sure it is possible with a USB SDR stick. My solution in build is to use a high sample rate stereo soundcard with one channel capt

I'd like to know, but I'm not sure it is possible with a USB SDR stick. My solution in build is to use a high sample rate stereo soundcard with one channel capturing the audio from an analogue receiver and the second capturing a GPS time sync pulse.