Université de Neuchâtel Groupe de Géomagnétisme

Mathematical representation of the main geomagnetic field of Switzerland
Enter topographic coordinates and epoch here. Geographic coordinates (longitude & latitude) can be transformed at the Swisstopo site:

Nord X:

 [m]

Est Y:

 [m]

Epoch:

 [year]

 Add declination anomaly

  Data ready

Submit

D:

°' Declination
Dk [sexag.]:

°' Dec. vs. map N
Dk[Gon]:

gon Dec. vs. map N
Dk[A0/00]:

o/oo Dec. vs. map N
I :

°' Inclination
F :

[nTesla] Total field
X :

[nTesla] North comp.
Y :

 [nTesla] East comp.
Z :

 [nTesla] Vert. comp.
H :

 [nTesla] Horiz. comp.
Local magnetic anomalies can be accounted for in declination by using interpolated values from the 1994 anomaly map. Areas with uncertain magnetic data are shown in green:

Secular variation:
dD :

[sexag.'/y]
dI :

[sexag.'/y]
dF :

[nT/y]