INTERMAGNET Preliminary Data -
Instructions
Note: This application will not work if your
browser is using a proxy server. We are working to resolve this
problem.
This service allows the download of preliminary
geomagnetic data. By default data for the previous day are
shown, but data for any date can be selected using the drop down
menus. Note that only observatories that have data for the selected
date range will be shown.
