TY - JOUR A1 - Schmidt, T. A1 - Heise, S. A1 - Wickert, J. A1 - Beyerle, G. A1 - Reigber, C. T1 - GPS radio occultation with CHAMP and SAC-C: global monitoring of thermal tropopause parameters JO - Atmos. Chem. Phys. J1 - ACP VL - 5 IS - 6 SP - 1473 EP - 1488 Y1 - 2005/06/15 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/5/1473/2005/ L1 - https://acp.copernicus.org/articles/5/1473/2005/acp-5-1473-2005.pdf DO - 10.5194/acp-5-1473-2005 ER -