Geomagnetic Indices Bulletin

Example Bulletin

Geomagnetic Indices Bulletin is a prompt monthly information publication that is distributed within two weeks after final geomagnetic indices are received for the observational month. For each month this 2-page circular tabulates the three hour Kp indices, daily Ap index, Cp index, An,As,Am index and provisional aa indices.

The "bulletin" can be accessed through FTP.