Compass Navigator — Open Source Navigation App

Android based app with auto declination adjustments using GPS location. Declination information calculated using the latest 2025 WMM data available from https://www.ngdc.noaa.gov/geomag/WMM/DoDWMM.shtml.

• Auto declination adjustments using GPS
• Manual declination adjustments
• Degree's and NATO mils modes
• Night modes available (red and green night modes)
• Four compass roses available (two in degrees, two in NATO mils)
• Displays the current bearing as well as the reverse bearing
• Displays the current auto calculated declination or manual declination
• Bezel bearing reset button