| Time | 
Topic: Session Chair: Dave Doelling | 
Presenter | 
VISNIR Drive | 
 | 
| 08:00 | 
Intro to the VISNIR Subgroup Session | 
David Doelling (NASA) | 
 4a | 
Virtual | 
| 08:10 | 
Globally combining new GEO Lightening Mapper sensors | 
Daile Zhang (UND) | 
4b | 
Virtual | 
| 08:30 | 
Validation and evaluation of the FY-4 Lightning Mapping Imager products | 
Wenjuan Zhang, Fuxiang Huang   (CMA) | 
4c | 
In Person | 
| 08:50 | 
Monitoring the FCI VIS-NIR and LI Radiometric Performance Using Vicarious Calibration and Inter-Calibration | 
Ali Mousivand (EUMETSAT) | 
 4d | 
In Person | 
| 09:10 | 
Break | 
 | 
 | 
In Person | 
| 09:25 | 
VIIRS DCC stability monitoring improvements and validating the scaling of Himawari-8 with VIIRS | 
David Doelling (NASA) | 
4e | 
Virtual | 
| 09:45 | 
Application  of DCC Calibration Technique  on FengYun imagers | 
zhangbei (CMA) | 
 4f | 
In Person | 
| 10:05 | 
VIS/NIR discussion | 
All | 
 4g | 
 | 
| 10:20 | 
Break | 
 | 
 | 
 | 
| 11:00 | 
Challenges and Lessons Learned in Vicarious Desert Calibration: A Critical Review | 
Ali Mousivand (EUMETSAT) | 
4i | 
prerecorded | 
| 11:20 | 
Toward the improvement of Ray-matching inter-calibration for AHIs on Himawari-8 and -9 | 
Masaya Takahashi (JMA) | 
4j | 
In Person | 
| 11:40 | 
Future of the EUM VIS-NIR GSICS products | 
Mounir Lekouara (EUMETSAT) | 
4k | 
In Person | 
| 12:00 | 
Lunch | 
 | 
 | 
 |