Once you have your declination, adjust your compass with your fingers or a tool ... Turn your body (not just the compass) so ...

In the days since GPS was invented, many of us have lost the skill of navigating by a good old compass and map. As a family ...

One of the tricky parts of navigating with a compass is that magnetic north isn't the same as true north. The angle between the two--known as the declination--varies depending on your location.

Want to learn how to read a compass? Our wilderness expert's guide will teach the parts of a compass, and how to use this valuable tool.

One of the tricky parts of navigating with a compass is that magnetic north isn’t the same as true north. The angle between the two—known as the declination—varies with your location.

The Fairbanks declination I set on my works-with-no-battery handheld compass in 2003 adjusted for a geographic north reading that was 24 degrees west of magnetic north.

In order to transfer this information back to your map you need to subtract the declination from your magnetic bearing compass bearing to create the proper map bearing.

This compass includes a sighting hole and notch so you can get accurate bearings, as well as a clinometer and a declination adjustment tool. The TruArc needle tilts up to 20° for balanced use ...

Each also shows a declination diagram in its legend. In Maine, magnetic declination currently varies between 14-1/2 and 17 degrees west of true north, depending on your location.

THE Meteorologische Zeitschrift for April contains an interesting article by Prof. G. Hellmann on the knowledge of the magnetic declination before the time of Christopher Columbus. Some years ago ...