https://drive.google.com/open?id=1Sgo98VjqGDLHaX_mh7kilUeiuzpPbKni&usp=sharing - zerg90 map of fire stations - created February 11 2020
http://forums.radioreference.com/pennsylvania-radio-discussion-forum/87135-lancaster-county-dumps-ma-com-opensky-system-3.html#post1494211 - OpenSky 800 Mhz dumped - 2010 - in favor over 506 Mhz