About the same if they drop in a draw I loose them some but I carry a short antenna I made that I put on and it usually will pick them right back up long range I can get 6+ miles out of it.
6+ miles

do tell........ i am lucky to get a thousand yards
3 db gain External antenna tuned to 152.5 mhz, with a SMF connector to attach it to your Astro 220.