[op25-dev] rx.py Airspy MASTER GAIN Setting option?????

op25 at zellners.com op25 at zellners.com
Tue Sep 8 15:05:11 UTC 2020


Quoting wllmbecks at gmail.com:

> A good tool is to take a look at your symbols and mixer plots to  
> verify if the (-q 2) is the


Thats why I use OP25 for the constellation etc. that other software  
doesn't provide. More accurate to tune.

The 2 ppm is accurate as its confirmed with other programs. Which  
start with a 0 and over time it is steady at 2ppm +- a little...


> However, I have run the calibration utility on all of my Airspy  
> devices using a GPSDO

What is the CLKIN expecting? I'd have to check to see that our GPS  
simulcast controllers put out a similar or compatible signal... and I  
might drag one to a site when I go to test with...

But the -q 2 setting is accurate as anything or more less, and nothing  
decodes, nice tight constellation.






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