radarsim1 app for iPhone and iPad

takes foreflight sentry ads-b stream and displays it in a simulated radar scope. It permits you to lock onto an aircraft, get its heading, airspeed, aspect, change zoom levels from 20NM to 80NM. It displays the aircraft altitude when you highlight a hit. It gives you the ability to designate a bullseye from which it will tell you your ownship range and bearing from as well as a locked target. It also displays your groundspeed. It also provides a simulated radar warning receiver display, which changeable range from 20 to 80 NM.