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Federal
Worldwide Instantaneous Values of Geomagnetic Components D, H, and Z or X, Y, and Z at 2.5-minute Intervals from 1964 to 1974
National Oceanic and Atmospheric Administration, Department of Commerce —
This data file is comprised of instantaneous values of the geomagnetic components D, H, and Z or X, Y, and Z at 2.5-minute intervals. These values were derived from... -
Federal
Geomagnetic Absolute Mean Values at Hourly Intervals from 220 Observatories Worldwide
National Oceanic and Atmospheric Administration, Department of Commerce —
This file is comprised of absolute mean hourly values of the geomagnetic components D, H and Z or X, Y and Z. These values, on magnetic tape, are available from... -
Federal
Instantaneous Absolute Values of the Geomagnetic Components D, H, and Z or X,Y, and Z at 1-minute Intervals for 50 Observatories Database
National Oceanic and Atmospheric Administration, Department of Commerce —
The file is comprised of instantaneous absolute values of the geomagnetic components D, H, and Z or X, Y, and Z at 1-minute intervals. These values were derived... -
Federal
Values of the Earth's Magnetic Field Components X, Y, and Z Recorded in Finland
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set was generated by the Finish Academy of Science from magnetic data collected during the International Magnetospheric Study, 1976-1978. The data were...