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C-7 (128) Results of Geomagnetic Observations, Hel Geophysical Observatory 1971-1975

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Results of geomagnetic observations, Hel Geophysical Observatory 1971-1975 - general information, 3

Annual means of magnetic elements D, H, I, X, Y, Z and F, Hel 1901-1975, 9

Results of geomagnetic observations, Hel Geophysical Observatory 1971, 11

Monthly and yearly mean values of magnetic elements for 1971, 12

Mean hourly values for declination, horizontal intensity and vertical intensity for 1971, 13

Diurnal inequalities of magnetic declination, horizontal intensity, and vertical intensity for 1971, 49

Results of geomagnetic observations, Hel Geophysical Observatory 1972, 59

Monthly and yearly mean values of magnetic elements for 1972, 60

Mean hourly values for declination, horizontal intensity and vertical intensity for 1972, 61

Diurnal inequalities of magnetic declination, horizontal intensity, and vertical intensity for 1972, 97

Results of geomagnetic observations, Hel Geophysical Observatory 1973, 107

Monthly and yearly mean values of magnetic elements for 1973, 108

Mean hourly values for declination, horizontal intensity and vertical intensity for 1973, 109

Diurnal inequalities of magnetic declination, horizontal intensity, and vertical intensity for 1973, 145

Results of Geomagnetic Observations, Hel Geophysical Observatory 1974, 155

Monthly and yearly mean values of magnetic elements for 1974, 156

Mean hourly values for declination, horizontal intensity and vertical intensity for 1974, 157

Diurnal inequalities of magnetic declination, horizontal intensity, and vertical intensity for 1974, 180

Results of geomagnetic observations, Hel Geophysical Observatory 1975, 203

Monthly and yearly mean values of magnetic elements for 1975, 204

Mean hourly values for declination, horizontal intensity and vertical intensity for 1975, 205

Diurnal inequalities of magnetic declination, horizontal intensity, and vertical intensity for 1975, 238

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