Tropospheric correction for InSAR using interpolated ECMWF data and GPS Zenith Total Delay from the Southern California Integrated GPS Network. - Johan S. Löfgren; Fredrik Björndahl; Angelyn W. Moore; Frank H. Webb; Eric J. Fielding; Evan F. Fishbein (IGARSS, 2010)

High-rate local sea level monitoring with a GNSS-based tide gauge. - Johan S. Löfgren; Rüdiger Haas; Jan M. Johansson (IGARSS, 2010)

Sea level measurements using multi-frequency GPS and GLONASS observations. - Johan S. Löfgren; Rüdiger Haas (EURASIP J. Adv. Signal Process., 2014)

Software-Defined Radio Direct Correlation GNSS Reflectometry by Means of GLONASS. - Thomas Hobiger; Rüdiger Haas; Johan S. Löfgren (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2016)