{
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    "adms": "http://www.w3.org/ns/adms#",
    "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/",
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    "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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    "skos": "http://www.w3.org/2004/02/skos/core#",
    "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#",
    "xsd": "http://www.w3.org/2001/XMLSchema#"
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        "@type": "xsd:dateTime",
        "@value": "2018-09-03T08:29:13"
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      "dct:title": "HOFJ1720.18D.Z",
      "downloadURL": {
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      "gnss:igsModelCode": "LEICA GR50"
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      "@type": "PeriodOfTime",
      "endDate": {
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        "@value": "2018-06-21T23:59:30"
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      "gnss:igsModelCode": "LEIAR25.R4      LEIT",
      "gnss:marker-arpEastEcc": {
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        "@value": "0.0"
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      "@id": "https://epncb.oma.be/PID/2018/172/HOFJ00DEU_2018172_01D_30S_R2#obsdata",
      "@type": "gnss:OBSData",
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      "gnss:obsHeader": {
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      "gnss:station": {
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}