FAQ
Q
How SGLI Ensures Accurate Observations
A
For the target accuracy of SGLI products, please refer to the following pages:
Standard products
Research products
The accuracy of these products is continuously maintained through regular monitoring and parameter updates.
For the results of validation (accuracy assessment), please see:
Validation results
Currently, we are investigating a case where the target accuracy is not fully maintained. However, the impact is considered to be minor.
Standard products
Research products
The accuracy of these products is continuously maintained through regular monitoring and parameter updates.
For the results of validation (accuracy assessment), please see:
Validation results
Currently, we are investigating a case where the target accuracy is not fully maintained. However, the impact is considered to be minor.
- Affected product: L1 (POL product)
- Issue: A slight degradation in geometric accuracy in the along-track (AT) direction has been observed. While the standard accuracy (RMSE ≤ 0.5 pixel) is still met, the target accuracy (RMSE ≤ 0.3 pixel) is not consistently maintained.
- Period: Since 2021 (Northern Hemisphere) / 2022 (Southern Hemisphere)
- Planned response: To be addressed in the algorithm update scheduled for November 2025
Last update: 2025/05/23