FIDUCEO project: Product user guide –HIRS FCDR release 1.0

This document describes the v1.0 HIRS “easy” FCDR data files released in the autumn of 2019. The released data record contains nearly 40 years of data and can be considered the initial version of the FCDR, i.e. a data record long enough to generate climate data records (CDRs) for climate research. This guide gives: 1. An overview of the specifications of the data record; 2. Scientific records on the generation, definition, and algorithms of the data record; 3. Information on limitations of the current version of the data record; 4. Technical details on the format and on how to access the data