This document describes the organization of the Copernicus Sentinel data quality functions  (calibration,  validation,  algorithms)  funded  by  the  EU  Copernicus  programme  and under the responsibility of the Sensor Performance, Products and Algorithms(SPPA) section of the Earth Observation Mission Management and Product Quality Division (EOP-GM) in the EO Mission Management and Ground Segments Department (EOP-G).

The document is part of the Copernicus Technical Baseline package and complements the other  documents  providing  the  Copernicus  operations  baseline.  It  is  applicable  to  all  EO  Copernicus Sentinel missions operated by ESA. 

The document does not provide the specific mission data quality requirements, which can be found in other documents, in particular in the Sentinel product list document [RD-5].

The  present  document  constitutes  the  1st  version  of  the  Data  Quality  Functional  Baseline  document;  it  will  be  updated  in  2021  in  order  to  consolidate  the  various  interfaces  and  to  integrate  it  in  a  consolidated  context.  It  is  therefore  expected  than  the  2nd  version  will  be  published by the mid- 2021.