1. Systematic errors in atmospheric profiles obtained from Abelian inversion of radio occultation data: effect of large-scale horizontal gradients;Ahmad;J. Geophys. Res.,1999
2. Global climate monitoring based on CHAMP/GPS radio occultation data;Foelsche,2003
3. Gobiet, A., Kirchengast, G., 2002. Sensitivity of atmospheric profiles retrieved from GNSS occultation data to ionospheric residual and high-altitude initialization errors. Technical Report for ESA/ESTEC No. 1/2002, Institute for Geophysics, Astrophysics, and Meteorology, University of Graz, Austria
4. GRAS-SAG, 1998. The GRAS instrument on METOP, ESA/EUMETSAT Report (ESA No. VR/3021 /PI, EUM.No. EPS/MIS/IN/9), ESA/ESTEC, Noordwijk, Netherlands, 38p
5. Radio occultation bending angle and impact parameter errors caused by horizontal refractivity index gradients in the troposphere: a simulation study;Healy;J. Geophys. Res.,2001