Macmillan S, Turbitt C, Thomson A. Ascension and Port Stanley geomagnetic observatories and monitoring the South Atlantic Anomaly. Ann. Geophys. [Internet]. 2009 Jan. 25 [cited 2026 May 25];52(1):83-95. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/4632