Results of Geomagnetic Observations, Hel Geophysical Observatory 1999
This volume contains the results of observations of the Earth magnetic field for the year 1999, carried out at the Geophysical Observatory at Hel near Gdańsk. It is a consecutive twenty-second report of similar results published since 1966.
Results of geomagnetic observations, Hel Geophysical Observatory 1999 (general information), ...3
Annual means of magnetic elements, Hel 1953-1999, ...7
Monthly and yearly mean values of magnetic elements, ...8
Three-hour-range indices K and magnetic character figures C, ...9
Hourly mean values of north, east and vertical components, ...13