This ATBD document describes the algorithms implemented in atmostpheric correction processor Sen2Cor.

The purpose of this document is to provide a status on the Sentinel-1A sensor and product performance for orbit repeat cycles 209 to 212, covering the period from 22 August to 9 October 2020.

The purpose of this document is to provide a status on the Sentinel-1B sensor and product performance for orbit repeat cycles 139 to 142, covering the period from 28 August to 15 October 2020.

This document provides the status of the Sentinel-2 Level-1C product quality as it stands in October 2020. It updates the information supplied in previously issued Reports.

This document provides the status of the Sentinel-2 Level-2A product quality as it stands in October 2020. It updates the information supplied in previously issued Reports.

This document lists the Input Output Data Definitions of the Sen2Cor application.

The document comes with four attachments:

• Sen2Cor_240_L2A_CAL_AC_GIPP.pdf - the Schema of L2A GIPP AC (Atmospheric Correction) File
• Sen2Cor_240_L2A_CAL_SC_GIPP.pdf - the Schema of L2A GIPP SC (Scene Classification) File
• Sen2Cor_240_L2A_GIPP.pdf - Schema of L2A GIPP File
• Sen2Cor_240_L2A_GIPP.zipp - XSD schemas of L2A GIPP AC, L2A GIPP SC, and L2A GIPP. NOTE: This file is configured as a *.zipp attachment. The attachment should be saved, and renamed as .zip to enable it to be opened.

The purpose of this note is to gather in one place all the documentation necessary to decode Sentinel-1 Level-0 products. In addition to the documentation, it provides a sample of Level-0 product with the associated RAW decoded data in order to support the users.

The purpose of this document is to provide a status on the Sentinel-1B sensor and product performance for orbit repeat cycles 135 to 138, covering the period from 11 July to 28 August 2020.

The purpose of this document is to provide a status on the Sentinel-1A sensor and product performance for orbit repeat cycles 205 to 208, covering the period from 5 July to 22 August 2020.

This document describes the technical characteristics of the S5-P/TROPOMI Level 2 products that are needed for efficient and correct use of the data contained.