The WDC Geomagnetism, Edinburgh has a comprehensive set of digital geomagnetic data as well as indices of geomagnetic activity supplied from a worldwide network of magnetic observatories. The data and services at the WDC are available for scientific use without restrictions.
WDC geomagnetism, Edinburgh is part of the ICSU World Data System (WDS. The Geomagnetic Data Master Catalogue, containing digital minute and hourly mean data, was formerly hosted within the WDC for Geomagnetism (Copenhagen) at the Danish Meteorological Institute. Responsibility for maintaining and operating this Geomagnetic Data Master Catalogue passed to the British Geological Survey in 2007 and has been incorporated into the WDC for Geomagnetism (Edinburgh).