1. Remote Sensing Technology, School of Engineering and Design, Technical University of Munich, 80333 Munich, Germany
2. German Aerospace Center (DLR), Remote Sensing Technology Institute, 82234 Wessling, Germany
3. Belgian Institute for Space Aeronomy (BIRA-IASB), 1180 Brussels, Belgium
4. Royal Netherlands Meteorological Institute (KNMI), 3731 De Bilt, The Netherlands
5. Atmospheric Data Synergies, Atmospheric Reactive Gases, Royal Belgian Institute for Space Aeronomy (BIRA-IASB), 1180 Brussels, Belgium