These data are intended for use by the academic community. We ask that the data not be used for commercial purposes, nor in any project in which you, your organisation, or your collaborators are in a commercial agreement with any third party.
1-second and 1-minute mean values are available on application.
In its role as World Data Centre for Geomagnetism (Edinburgh) we make available the following data for scientific research. If the data are used in publications and presentations, the data suppliers and this WDC should be acknowledged. For commercial applications of these data, please contact the relevant institute directly.