{
  "url": "https://openlegislation.uk/eu-decision-2018-620/annex-V/division-5/division-5.1",
  "json_url": "https://openlegislation.uk/eu-decision-2018-620/annex-V/division-5/division-5.1.json",
  "legislation": "eudn/2018/620",
  "legislation_title": "Commission Implementing Decision (EU) 2018/620 of 20 April 2018 on the technical specifications for the Copernicus service component pursuant to Regulation (EU) No 377/2014 of the European Parliament and of the Council (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2018-620",
  "path": "annex/V/division/5/division/5.1",
  "kind": "division",
  "number": "5.1",
  "heading": "Satellites-Based Observations",
  "text": "C3S shall use operational and past satellite-based instruments to provide products for climatology, reanalysis and validation purposes.\nThe C3S shall use the following types of data:\n(a) radiometer and spectrometer data acquired in the domain covering the infrared to the microwave wavelengths to measure brightness temperature and then derive several geophysical parameters (wind vector, ozone, surface temperature);\n(b) GPS-radio occultation data to derive information on the atmosphere's temperature, pressure and water vapour content;\n(c) scatterometer data to measure near-surface wind speed and direction;\n(d) altimeter data to derive ocean wave height.\nThe service shall be also supported by data and products from the Sentinel satellites.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2018/620/annex/V/division/5/division/5.1",
    "retrieved_at": "2026-11-01T15:13:07.991242+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}