CEOS Cal/Val Portal explanation

The CEOS Cal/Val Portal:
Calibration and Validation activities
around space-borne sensors.
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The CEOS CalVal portal serves as the main forum for exchange and information sharing for the CEOS Working Group on Calibration and Validation. In additions, it provides access to agreed good practices and Cal/Val protocols to the wider Earth Observation community within CEOS and beyond. It connects users to reference data and networks and provides reliable, up-to-date and user friendly information useful for Cal/Val tasks, facilitating data interoperability and performance assessment through an operational CEOS coordinated & internationally harmonised Cal/Val infrastructure consistent with QA4EO principles.


Back TSIS-1 HSRS solar irradiance reference spectrum

TSIS-1 HSRS solar irradiance reference spectrum


CEOS WGCV recommends the Total and Spectral Solar Irradiance Sensor-1 (TSIS-1) Hybrid Solar Reference Spectrum (HSRS) as the new solar irradiance reference spectrum. This statement has been agreed during the latest WGCV#50 Plenary Meeting.

Details for TSIS-1 HSRS are available at: