I have been running my flight tracker for a year in the Washington, DC metro area off of my apartment balcony:
- Raspberry Pi Zero
- FlightAware ProStick Plus
- FlightAware 1090 MHz ADS-B Antenna - 66 cm
In Washington, I was averaging somewhere around 150-200 aircraft at any one time. I recently moved to Austin, TX, and am now setting up my receiver on my new apartment blacony in the same configuration. Now, it only seems I am able to pick up 3-5 aircraft max at any given time, and many times no aircraft at all. I have tried messing with gain but to no avail. The fact that I am getting some aircraft leads me to believe that the receiver is indeed working, but I would expect to be getting far more, at least 30 or so I would think. Unfortunately I cannot find much info online about how to resolve a tracking station that only picks up very few aircraft. Any advice is appreciated and I am happy to provide more info on request. I have gain currently set to -10 for the auto select, and it seems dump1090 is picking 49.6 dB once it starts. This is how I run dump1090:
./../dump1090-fa/dump1090 --net --interactive --forward-mlat --json-location-accuracy 2 --write-json ../dumpfiles/ --lat REDACTED --lon REDACTED --gain -10
I run dump1090 myself since on the side I harvest the data myself for other uses in addition to sending it to FlightAware.