Magnetic Declination
Magnetic Declination Calculator - A Practical Guide
Inversion of high-amplitude magnetic total field anomaly: an application to the Mengku iron-ore deposit, northwest China | Scientific Reports
Sailtrain: Navigation and Chartwork, Compass Deviation.
Magnetic declination - Wikipedia
Towards an Improvement of Magnetic Compass Accuracy and Adjustment | The Journal of Navigation | Cambridge Core
Sailtrain: Navigation and Chartwork, Compass Variation.
Nautical Calculator Pro - Apps on Google Play
The Marine Compass - Sailtrain
True and magnetic north – DS & YM – Penzance Sailing Club
Sailtrain: Navigation and Chartwork, Compass Variation.
How to Plot Latitude and Longitude on a Nautical Chart | Learn to Sail Sailing Tips You Need Beyond Sailing School!
Unlock the Mystery of Magnetic Variation! | Learn to Sail Sailing Tips You Need Beyond Sailing School!
Marine navigation courses: compass
Online calculator: Compass, magnetic and true course calculator
Compass Variation and Deviation - how to calculate them - Building The Best Powerboat Company In Britain
Understand and use magnetic variation well
Nautical chart - Wikipedia
Performance Calculations
Compass Calculator - Apps on Google Play
Sailings Calculators
