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    "EARTH SCIENCE>CRYOSPHERE",
    "EARTH SCIENCE>CRYOSPHERE>SNOW/ICE",
    "EARTH SCIENCE>AGRICULTURE",
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  "sci:citation": "European Space Agency, 2023, FDR4ALT Fundamental Data Records for Radiometry. Version 1.0.",
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      "name": "FedEO",
      "url": "https://fedeo.ceos.org/readme.html"
    }
  ],
  "summaries": {
    "processing:level": ["L1"],
    "instruments": [
      "MWR",
      "MWR",
      "RA-2"
    ],
    "platform": [
      "ERS-1",
      "ERS-2",
      "Envisat"
    ]
  }
}