So, today I successfully added UAT978 to my RPI setup and I have to say I’m very disappointed. First of all, I had a little fan blowing on the SDR dongles to keep them cool - big mistake. See below. Lots of interference from the fan noise. But when I successfully added 978 to my setup, I lost a TON of range from my 1090 setup. You can see the pictures I’ve attached. Turning off the fan certainly decreased the noise. But it wasn’t until I stopped dump978-fa that I really gained back my 1090 data. I don’t know what was happening, but I can say that the second I killed the dump978-fa process, my reception went through the roof (at least back to where it was before adding dump978-fa).
I killed the fan at about 14:20
I stopped dump978-fa at about 16:10
Thoughts? Although killing my fan decreased radio noise, it seems that the bigger effect was stopping the dump978-fa process entirely.