2026.02.18

Radiometic Correction Version 4

Radiometric Correction Version 4 has been released.
This update improves vertical stripe in low radiance of VNIR image.
This version will be applied to future products released on Tellus. And they will also be replaced sequentially for currently available products. Please check the processing date of the product granule ID.
Details are available on the Product/CalVal page.

2025.12.26

Termination of HISUI operation

HISUI operation will terminate in March 2026.
The ground processing of acquired image data will continue after operation ends and all HISUI data is planed for release via Tellus by the end of December 2026.

2022.10.12

HISUI products are now available.

Archived HISUI products are now available for distribution to the public through the Tellus satellite data platform.

2022.10.12

HISUI Project web site is now open.

We will update with information about the HISUI project.