I suppose these are PLL LNB's
When I listen on beacon, I have small variations in freq ( not drift ), and I think coming from these LNB's, since when I changed to Inverto PLL, it has reduced a lot.
recieving with SDR Radio, or SDR Uno, with RSP1a, or Pluto, Or HackRF, the Freq wobbulation stays the same
I have attached a video
Does anyboy has this phenomenon, with the Octagons..
Anything to do about it ?
I suppose it is coming from internal PLL Loop regulation.. so If I would inject 25 Mc with GPSDO, it would be the same, since it is not drift