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Federal
Geomagnetic Principal Magnetic Storms recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The abbreviations used for observatory names are as follows: GEOMAGNETIC OBSERVATORIES Code Station Geomagnetic Latitude ABG Alibag AMS Martin de Vivie. These data... -
Federal
Geomagnetic Storm Sudden Commencements recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Storm Sudden Commencements (ssc) 1868 to present: STORM1 and STORM2 Lists: (Some text here is taken from the International Association of Geomagnetism and Aeronomy... -
Federal
Geomagnetic Kn, Ks, Km Indices recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
A full description of the indices Kn, Ks, Km is given in a monography,"Indices Kn, Ks et Km, 1964-1967", edited in 1968 by the Centre National de la Recherche...