The oldest routine task of SGO is the regular measurement of the geomagnetic field. The measurements began on 1st January 1914 and continue until today. The only gap in the time series is between 16th September 1944 and 1st January 1947 due to the destruction of the observatory during the war.
The analog La Cour was in operation until 31st December 1995. Nowadays digital data is produced in the variation room of the observatory by a Polish torsion photoelectric magnetometer (TPM), a Russian TPM magnetometer and a Danish fluxgate magnetometer (FGE). Weekly measurements of the absolute magnetic field provide the base line control.
Co-ordinates: Geographic: 67° 22' N, 26° 38' E (67.37° N, 26.63° E) Geomagnetic: 63.8°, 120.0°, -26.7°, dip = 76.7° Corrected geomagnetic: 64.0°, 107.2°, L-value 5.3 Altitude a.s.l.(N60): 180 metres
Observer in charge:
- Tero Raita
- Sodankylä Geophysical Observatory
- Tähteläntie 62
- FIN-99600 Sodankylä, Finland
- Phone: +358-(0)294-480864
- Fax: +358-(0)16-610248
- e-mail: to Tero Raita
Last modified: 28 August 2015, 11:29:07.