{
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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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    "vann": "http://purl.org/vocab/vann/",
    "vcard": "http://www.w3.org/2006/vcard/ns#",
    "voaf": "http://purl.org/vocommons/voaf#",
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  },
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      "gnss:firmware_version": "Nav 4.41 / Boot 4.18",
      "gnss:igsModelCode": "TRIMBLE NETR5"
    },
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      "@type": "Distribution",
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      },
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      },
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        "@value": "2012-08-15T00:00:00"
      },
      "dct:license": {
        "@id": "https://epncb.oma.be/PID/USDL00POL#license"
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      "dct:modified": {
        "@type": "xsd:dateTime",
        "@value": "2014-01-18T18:48:34"
      },
      "dct:title": "USDL2280.12D.Z",
      "downloadURL": {
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        "@value": "https://epncb.oma.be/pub/RINEX/2012/228/USDL2280.12D.Z"
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      "@type": "gnss:OBSData",
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      },
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      },
      "gnss:frequency": {
        "@id": "http://purl.org/cld/freq/daily"
      },
      "gnss:obsHeader": {
        "@id": "https://epncb.oma.be/PID/2012/228/USDL00POL_2012228_01D_30S_R2#obsheader"
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      "gnss:station": {
        "@id": "https://epncb.oma.be/PID/USDL00POL#station"
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      "gnss:antenna": {
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      },
      "gnss:interval": {
        "@type": "xsd:nonNegativeInteger",
        "@value": "30"
      },
      "gnss:issued": {
        "@type": "xsd:dateTime",
        "@value": "2012-08-15T00:00:00"
      },
      "gnss:markerName": "USDL00POL",
      "gnss:receiver": {
        "@id": "https://epncb.oma.be/PID/2012/228/USDL00POL_2012228_01D_30S_R2#receiver"
      },
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}