Nightforce NX8 2.5 20x50 F1 Mil XT Mil Rad Ill Zero Stop tormek stone 300 saved fit activities Navigation 300 saved fit activities Navigation Routes 250 Stored contacts 250 dogs Group management Yes Sensors GPS Yes Galileo Yes Barometric altimeter Yes Compass Yes (tilt compensated 3 axis) High sensitivity receiver Yes Daily Smart Features Compatible with Garmin Messenger app Yes Safety and Tracking Features LiveTrack Yes Tactical Features XERO™ Locations Yes Outdoor Recreation Point to point navigation Yes Area calculation Yes FISH FORECAST Yes Sun and moon information Yes Custom maps compatible Yes inReach® Features Interactive SOS Yes Send and receive text messages to SMS and email Yes Send and receive text messages to other inReach device Yes Exchange locations with other inReach device Yes Virtual keyboard for custom messaging Yes Send waypoints to MapShare during trip Yes Send route selection to MapShare during trip Yes Radio Features Frequency band VHF Channels 5 Range TT 15 T 5 dry surface usually no more than a multiple of five or six (for example It just might be the only riflescope you will ever need