# Commission Implementing Decision (EU) 2018/621 of 20 April 2018 on the technical specifications for the Copernicus space component pursuant to Regulation (EU) No 377/2014 of the European Parliament and of the Council (Text with EEA relevance), Division: Sentinel Core Ground Stations (CGS)

Extent: E+W+S+N.I.

ESA shall manage the overall network of X-band Core Ground Stations. A dedicated infrastructure shall allow to do the following:
(a) acquire Sentinel Data Downlinks;
(b) demodulate and Store the Instrument Source Packets (ISP) data;
(c) provide ISP to the Level-0 processor and to EUMETSAT for Sentinel-3;
(d) send the L0 data to the Processing and Archiving Centres;
(e) perform Near Real Time L1/L2 production and make the data available to users and the PACs.

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Source: https://www.legislation.gov.uk/eudn/2018/621/annex/division/3/division/3.3/division/3.3.3/division/1 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-621/annex/division-3/division-3.3/division-3.3.3/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.