bridge
We provide a number of data collections and derived models. For details on input sheets and basics of collections and models please check the manuals. The following products are currently available:

HISTMAG: a database of historical and archeological geomagnetic data

Geomagnetic field model for the past 4000 years: a field model (BIGMUDI) derived from HISTMAG. You can obtain Gauss coefficients or obtain geomagnetic time series for a location of your choice