| F3 | F5 |
---|---|---|
Software | Bernese GNSS Software Version 5.0 | Bernese GNSS Software Version 5.2 |
Satellites | GPS | GPS |
Reference frame | ITRF2005 (IGS05) | ITRF2014 (IGb14) |
Orbit and EOP | Steigenberger et al. (2006) (~ 2006-11-04) IGS final (2006-11-05 ~) | IGS repro2 (~ 2015-02-14) IGS final (2015-02-15 ~) |
Phase center correction | GSI original models | GSI original models |
Elevation cutoff angle | 15 degree | 15 degree |
Solid earth tide | IERS2003 | IERS2010 |
Ocean tide loading | GOTIC2 (Matsumoto et al. 2001) | GOTIC2 (Matsumoto et al. 2001) |
Ionosphere | 1st order: eliminated by forming the ionosphere-free linear combination, 2nd or higher order: IGS global ionosphere model | 1st order: eliminated by forming the ionosphere-free linear combination, 2nd or higher order: IGS global ionosphere model |
Troposphere | NMF / Saastamoinen (1973) | VMF1 / ECMWF |
Troposphere time step | 3Â h (ZTD) 24Â h (gradients) | 1Â h (ZTD) 3Â h (gradients) |