New Compass Version Updates Magnetic Declination Models

January 13, 2015
Compass Cave Viewer.

Compass Cave Viewer. Screengrab via Compass

A recent update to Compass, the popular cave survey software, extends the magnetic declination models, the angle between true and magnetic north, to 2020.

Compass can now calculate declination for any date between 1900 and 2020. The new data is specifically important as it has improved accuracy for dates between 2010 and 2015.

This update applies to both the main Compass distribution package and the Dem Reader.

Available for Windows, Compass is free to try, and full registration is only $25.00.

For more information or to try it out, visit the Compass Cave Survey Software website.

Update – 1-10-15 [Compass]

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