DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department
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Dataset Progress Status
Data Update Frequency:
Include more observatories into Geomagnetic 3-hour range index and makes better use
of understanding of Geomagnetism than earlier indices
While every effort has been made to ensure that these data are accurate and reliable
within the limits of the current state of the art, NOAA cannot assume liability for
any damages caused by any errors or omissions in the data, nor as a result of the
failure of the data to function on a particular system. NOAA makes no warranty, expressed
or implied, nor does the fact of distribution constitute such a warranty.
1868-01-01 to 2012-01-01
Spatial Bounding Box Coordinates:
Spatial Coverage Map:
Geomagnetism; Space Physics; Climatology, Solid Earth Geophysics