Tristan Da Cunha (TDC) observatory

IAGA code	TDC
Location	Tristan Da Cunha
Country	Tristan da Cunha (United Kingdom)
Open-Close	2009-
INTERMAGNET member (view)

Website	http://www.gfz-potsdam.de/en/section/earths-magnetic-field/infrastructure/observatories/tristan-da-cunha

Altitude	42 m

Geographic coordinates		Geomagnetic coordinates (IGRF-13 2020.5)		Corrected geomagnetic coordinates (IGRF-13 2020.5)
Latitude	Longitude	Latitude	Longitude	Latitude	Longitude
-37.067°N	347.685°E	-31.84°N	54.92°E	-40.89°N	50.69°E

				K=9 lower limit	278 nT