PlanePlotter NGDC Error

Mark Daniels

Administrator
Staff member
#1
Users are likely to experience the following error on starting PlanePlotter:

WARNING - TIME EXTENDS BEYOND MODEL 5-YEAR LIFE SPAN CONTACT NGDC FOR PRODUCT UPDATES: National Geophysical Data Center

This is because the conversion matrix from true headings/bearings to magnetic has to be replaced every 5 years because of geophysical changes. The last one released was 2010 so as from Jan 01, it is no longer valid.

To fix the error right-click on this link: http://www.coaa.co.uk/WMM.COF and Save/Download the file

The next release of PlanePlotter will include this fix