| Time | 
Session Chair: Mounir Lekouara and Tom Stone | 
Presenter | 
  | 
 | 
| 13:30 | 
Global Pseudo-Invariant Pixels (GPIPs) Selection: A Big Data Approach for Radiometric Calibration | 
Junwei Wang (CMA) | 
 2a | 
In Person | 
| 13:50 | 
FY-3F MERSI-III Reflective Solar Band On-orbit Calibration Methodology and Performance | 
Ling Wang (CMA) | 
 2b | 
In Person | 
| 14:10 | 
Current status of KMA VIS/NIR Calibration: Long-term Analysis of Five years | 
Hanbyul Lee (KMA) | 
 2c | 
Virtual | 
| 14:30 | 
Current status of transition from MODIS to VIIRS for AHI vicarious calibration | 
Misaki Eiki (JMA) | 
 2d | 
In Person | 
| 14:50 | 
Harmonization of SPOT-VGT1, SPOT-VGT2, and PROBA-V Time Series, Including Per-Pixel Uncertainty: Status of the FDR4VGT Project | 
S. Sterckx (ESA) | 
 2e | 
Virtual | 
| 15:10 | 
Break | 
 | 
 | 
 | 
| 15:30 | 
TRUTHS mission  | 
Nigel Fox (NPL) | 
 2f | 
Virtual | 
| 15:40 | 
Intro to the Lunar Subgroup Session + Update on MLO-LUSI  | 
Tom Stone (USGS) | 
 2g | 
Virtual | 
| 15:50 | 
Challenges to calibrate MTG/FCI VIS/NIR channels with lunar observations | 
Sebastien Wagner (EUMETSAT) | 
 2h | 
Virtual | 
| 16:10 | 
Update on LSICS Development | 
Tom Stone (USGS) | 
 2i | 
Virtual | 
| 16:30 | 
LESSR v2.0: an advanced new lunar reflectance model for monitoring spaceborne instruments with moon observations | 
Matthijs Krijger (Earth Space Solutions) | 
 2j | 
Virtual | 
| 16:50 | 
Lunar Discussion | 
All | 
2k | 
 | 
| 17:10 | 
END of Day 1 | 
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