Key documents

Document name Version Issue date Download
User Requirements Document (URD) 1.0 Oct. 13, 2025
Product Specification Document (PSD) 1.1 Oct. 28, 2025
Algorithm Theoretical Baseline Document (ATBD) 1.0 June 17, 2026
End-to-End ECV Uncertainty Budget (E3UB) 1.1 July 27, 2026
System Specification Document (SSD) 1.0 June 19, 2026
Climate Research Data Package (CRDP) Release Note 1.0 July 15, 2026