Observations

The Sodankylä Geophysical Observatory has been in operation since 1914.

Geomagnetic observations	Geomagnetic observations have been carried out regularly since 1914.	(Data)
Seismic observations	Seismic observations have been carried out at Sodankylä since 28th June 1956.	(Data)
Ionospheric soundings	At Sodankylä regular vertical ionospheric soundings are carried out since 1st August 1957.	(Data)
Cosmic ray measurements	Neutron monitor of the Oulu Cosmic Ray Station has been in routine operation since 1964.	(Data)
Riometer measurements	Riometer measurements at Sodankylä began in 1970, and now SGO maintains the whole Finnish Riometer Chain.	(Data)
ELF-VLF campaigns	ELF-VLF observations have been carried out only during special campaigns since 1989.	(Data)
Pulsation measurements	Pulsation observations at Sodankylä began in 1971. The Finnish Pulsation Magnetometer Chain is operated by SGO since 1999.	(Data)
All-Sky Camera	Aurora Borealis observations with digital All-Sky Camera are done since November 2000.	(Data)
Ionospheric Tomography	The Ionospheric Tomography Chain has been in operation since November 2002.	(Data)
AARDDVARK	SGO operates three narrow-band VLF receiver stations within the AARDDVARK Network.
Infrasound	SGO hosts one of the stations of the Swedish-Finnish Infrasound Network. The station was moved from Uppsala in October 2006.	(Data)
SLICE Meteor Radar	Sodankylä-Leicester Ionospheric Coupling Experiment: a SKiYMET meteor radar of Leicester University at SGO since December 2008.
Meteorological observations	Meteorological observations by SGO from 1914 to 1948. From 1949 there were continued by the Sodankylä Observatory (now Arctic Research Centre) of the Finnish Meteorological Institute.