Magnetic declination
Magnetic declination is the difference between magnetic and geographic north. The difference between magnetic north and grid north is referred to as magnetic variation.
Federal Office of Topography swisstopo
Seftigenstrasse 264
P.O. Box
3084 Wabern
P.O. Box
3084 Wabern
- Tel.
- +41 58 469 01 11
Technical support