Provided by: geographiclib-tools_1.50.1-1build1_amd64 

NAME
geographiclib-get-magnetic -- a GeographicLib administrative tool
DESCRIPTION
geographiclib-get-magnetic downloads and installs the magnetic datasets used by GeographicLib,
<https://geographiclib.sourceforge.io>. For documentation, supply the -h option:
geographiclib-get-magnetic -h
By default, the datasets are installed in /usr/share/GeographicLib/magnetic and the script requires write
access to this directory.
GeographicLib geographiclib-get-magnetic(8)