{
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    "odrl": "http://www.w3.org/ns/odrl/2/",
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    "skos": "http://www.w3.org/2004/02/skos/core#",
    "spdx": "http://spdx.org/rdf/terms#",
    "status": "https://publications.europa.eu/resource/authority/distribution-status/",
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    "vcard": "http://www.w3.org/2006/vcard/ns#",
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        "@value": "2020-06-18T00:00:00"
      },
      "gnss:markerName": "TRDS00NOR",
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      "gnss:igsModelCode": "TRM55971.00     NONE",
      "gnss:marker-arpEastEcc": {
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      "@type": "dct:Checksum",
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      "@type": "PeriodOfTime",
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        "@value": "2020-06-18T23:59:30"
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        "@value": "2020-06-18T00:00:00"
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      "gnss:firmware_version": "5.44",
      "gnss:igsModelCode": "TRIMBLE NETR9"
    },
    {
      "@id": "https://epncb.oma.be/PID/2020/170/TRDS00NOR_2020170_01D_30S_R2#obsdata",
      "@type": "gnss:OBSData",
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      },
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      "gnss:station": {
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}