Check out this post. Different people talk about making and trying different antennas. I make my own and they work pretty good.
ads-b-flight-tracking-f21/built-my-first-antenna-and-doubled-my-coverage-t19517.html
Check out this post. Different people talk about making and trying different antennas. I make my own and they work pretty good.
ads-b-flight-tracking-f21/built-my-first-antenna-and-doubled-my-coverage-t19517.html