Collaborating institutes

aa, am & CK-days
	Ecole et Observatoire des Sciences de la Terre 5, rue René Descartes 67084 Strasbourg Cedex FRANCE Contact :

Dst & AE
	World Data Center for Geomagnetism, Kyoto Data Analysis Center for Geomagnetism and Space Magnetism Graduate School of Science, Kyoto University Kitashirakawa-Oiwake Cho, Sakyo-ku Kyoto 606-8502 JAPAN Contact :

SC & SFE
	Observatori de l'Ebre Horta Alta, 38 43520 Roquetes SPAIN Contact :

Kp & Q-days, D-days
	Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum Adolf-Schmidt-Observatorium Lindenstr. 7 14823 Niemegk GERMANY Contact :

PC
	Arctic and Antarctic Research Institute Department of geophysics 38 Bering str. St.Petersburg, 199397 RUSSIAN FEDERATION Contact :
	DTU Space National Space Institute Centrifugevej, building 356 DK-2800 Kgs. Lyngby DENMARK Contact :