tar1090 is very valuable. If you had the chart prior to failure or remember the circles that gives you the range and then you can compare to what you have now. Do you remember the range? You could have the same range but fewer flights tracked. Are you in USA? flights are dropping from govt. shutdown. Fewer flights. I did notice I was at 150 wings prior and now at 130-135 with new unit, but I think its signal competition between you and other ads-b receivers. My range is about the same for planes and I”m tracking a lot for my area.