{
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    "dcat": "https://www.w3.org/ns/dcat#",
    "dcatap": "http://data.europa.eu/r5r/",
    "dct": "http://purl.org/dc/terms/",
    "dctype": "http://purl.org/dc/dcmitype/",
    "foaf": "http://xmlns.com/foaf/0.1/",
    "gnss": "https://gnss.be/vocab/2023/gnss#",
    "locn": "http://www.w3.org/ns/locn#",
    "odrl": "http://www.w3.org/ns/odrl/2/",
    "owl": "http://www.w3.org/2002/07/owl#",
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    "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
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    "spdx": "http://spdx.org/rdf/terms#",
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    "time": "http://www.w3.org/2006/time#",
    "vann": "http://purl.org/vocab/vann/",
    "vcard": "http://www.w3.org/2006/vcard/ns#",
    "voaf": "http://purl.org/vocommons/voaf#",
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        "@value": "2011-02-26T23:59:30"
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      },
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      },
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      },
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        "@type": "xsd:dateTime",
        "@value": "2014-01-20T19:22:22"
      },
      "dct:title": "WROC0570.11D.Z",
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      },
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      },
      "gnss:interval": {
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        "@value": "30"
      },
      "gnss:issued": {
        "@type": "xsd:dateTime",
        "@value": "2011-02-26T00:00:00"
      },
      "gnss:markerName": "WROC00POL",
      "gnss:receiver": {
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      },
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    {
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      "@type": "gnss:OBSData",
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      "gnss:frequency": {
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      },
      "gnss:obsHeader": {
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    },
    {
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      "gnss:firmware_version": "8.00/3.019",
      "gnss:igsModelCode": "LEICA GRX1200GGPRO"
    },
    {
      "@id": "https://epncb.oma.be/PID/2011/057/WROC00POL_2011057_01D_30S_R2#antenna",
      "gnss:igsModelCode": "LEIAT504GG      LEIS",
      "gnss:marker-arpEastEcc": {
        "@type": "xsd:float",
        "@value": "0.0"
      },
      "gnss:marker-arpNorthEcc": {
        "@type": "xsd:float",
        "@value": "0.0"
      },
      "gnss:marker-arpUpEcc": {
        "@type": "xsd:float",
        "@value": "0.0"
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}