1. SWARM observations of equatorial electron densities and topside GPS track losses. Issue 7 (1st April 2015) Authors: Buchert, Stephan; Zangerl, Franz; Sust, Manfred; André, Mats; Eriksson, Anders; Wahlund, Jan‐Erik; Opgenoorth, Hermann Journal: Geophysical research letters Issue: Volume 42:Issue 7(2015:Apr.) Page Start: 2088 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗