I thought I was going good in my area with a Amp, FA Ant and filter.
my setup: https://flightaware.com/adsb/stats/user/wnypoker
A brand new setup nearby: https://flightaware.com/adsb/stats/user/wb2fxy
Their 240 to 300 mile stats are like my 120-180 mile stats.
Their coverage is amazing.