mgd77magref(1gmt) on Linux
The text e05b59a55cb3, as Debian 8 (Jessie) shipped it.
Evaluate the IGRF or CM4 magnetic field models
Flags it lists
-
-: -
-A -
-C -
-D -
-E -
-F -
-G -
-H -
-L -
-Sc -
-Sl -
-V -
-bi -
-bo -
-m