rootbrowseIAC-21B1session 33. Earth Observation Sensors and TechnologyPapers4. Absolute Radiometric Reference Instrument (ARRI)5. EagleEye telescope for VLEO applications6. Small Satellites potential for Greenhouse Gas and CO2 Monitoring9. Small Satellite L Band SAR System as a Constellation Building Block14. SARsat Arabia: Earth Observation Constellation for the MENA Region1003. Phase 2 Results: Calibration and Validation of KhalifaSat1007. Decennial Time Series Estimates of Tropopause heights on global scale by measurements of bending angles suffered by GNSS signals through the atmosphere1008. ONERA accelerometers for future gravity mission1011. Status Update for the GNSS Reflectometry Mission of Triton Satellite in Taiwan1013. The Design of a 3U CubeSat to Monitor the Great Pacific Garbage Patch following a Systems Engineering Approach1015. Analysis and comparison of leading AI Optimized Industrial Single Board Computers for use onboard nanosatellites in LEO and Earth Observation Missions