1. A comprehensive assessment of ionospheric gradients observed in Ecuador during 2013 and 2014 for ground based augmentation systems. Issue 8 (15th April 2017) Authors: Sánchez-Naranjo, S.; Rincón, W.; Ramos-Pollán, R.; González, F.A.; Soley, S. Journal: Advances in space research Issue: Volume 59:Issue 8(2017) Page Start: 1992 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗