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By Amphibious Technologies, LLC

This app is only available on the App Store for iOS devices.


Find your current magnetic declination based on the World Magnetic Mode.

Specify your position via GPS, lat/lon coordinates, UTM coordinates, or browse the world map.

Use Declination to verify and update your local magnetic declination for all your maps before you enter the backcountry!

Requires iOS4.3+

What's New in Version 8.15.0

Support for 2015 WMM (World Magnetic Model) for more accurate values until 2020.


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This app is designed for both iPhone and iPad
  • Free
  • Category: Reference
  • Updated:
  • Version: 8.15.0
  • Size: 15.8 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 5.1.1 or later. Compatible with iPhone, iPad and iPod touch.

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