Kp index (with ap, Ap indices) [1932 - ]


List up    Bartels musical diagram

These indices were derived and provided by Geophysical Institude, Gottingen University until the end of 1996. Since January 1997, the derivation and distribution have been moved to GeoForschungsZentrum (GFZ) Potsdam.

GFZ Potsdam Kp index page

List up the Kp index with ap and Ap indices (since 1932) / Data format

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GFZ Potsdam Kp index download page
Bartels musical diagram (GIF)