Feltens, J. ; Angling, M. ; Jakowski, N. ; Hernández-Pajares, M. ; Zandbergen, R.
Doherty, P. ; Hernández-Pajares, M. (eds.) (2010):
GNSS Contribution to Next Generation Global Ionospheric Monitoring.
Beacon Satellite Symposium, Barcelona, Spain, 7th - 11th June 2010, [Conference or Workshop Item]

Feltens, J. ; Angling, M. ; Jakowski, N. ; Hernández-Pajares, M. ; Zandbergen, R.
Doherty, P. ; Hernández-Pajares, M. (eds.) (2010):
Global Ionospheric Monitoring and Navigation Systems.
Beacon Satellite Symposium, 07.-11.06.2010, Barcelona, Spain, [Conference or Workshop Item]

Otten, M. ; Schoenemann, E. ; Fenoglio-Marc, Luciana ; Zandbergen, R. ; Dow, J. ; Becker, M. (2008):
Improved POD for Envisat at ESOC by latest reference frame and new mean and time-variable gravity field models.
[Conference or Workshop Item]