2.2.8 spase://SMWG/Observatory/Ground/Tristan.da.Cunha Tristan Da Cunha Geophysical Observatory Observatory Station Code: TDC 2019-05-05T12:34:56Z Tristan Da Cunha (TDC) Geophysical Observatory Please acknowledge: DTU Space, Denmark spase://SMWG/Person/Claudia.Stolle PrincipalInvestigator spase://SMWG/Person/Juergen.Matzka PrincipalInvestigator spase://SMWG/Person/Lee.Frost.Bargatze MetadataContact THEMIS Fluxgate Ground-based Magnetometer (GMAG) Web Site http://themis.ssl.berkeley.edu/instrument_gmags.shtml THEMIS makes data available from GMAG stations in the United States, Canada, Denmark, Greenland, Norway, Sweden, Iceland, and Russia, and Antarctica. Technical University of Danmark https://www.space.dtu.dk/English/Research/Scientific_data_and_models/Magnetic_Ground_Stations.aspx Introduction to the DTU magnetometer data, plots, maps, etc. spase://SMWG/Observatory/Ground/Tristan.Da.Cunha spase://SMWG/Observatory/Ground/WDC spase://SMWG/Observatory/Ground/INTERMAGNET spase://SMWG/Observatory/Ground/GFZ Earth.Surface GEO -37.1 347.7 45.0 2009-09-01T00:00:00.000 2016-10-31T23:59:59