{
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    "dcatap": "http://data.europa.eu/r5r/",
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    "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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    "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
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    "status": "https://publications.europa.eu/resource/authority/distribution-status/",
    "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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      "gnss:igsModelCode": "LEIAT504GG      NONE",
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      "@type": "Distribution",
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        "@value": "https://epncb.oma.be/pub/RINEX/2015/123/CASC1230.15D.Z"
      },
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      },
      "dct:description": "Daily RINEX data of the GNSS station CASC00PRT for DOY 123 of 2015",
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        "@value": "2015-05-03T00:00:00"
      },
      "dct:license": {
        "@id": "https://epncb.oma.be/PID/CASC00PRT#license"
      },
      "dct:modified": {
        "@type": "xsd:dateTime",
        "@value": "2015-07-16T11:35:51"
      },
      "dct:title": "CASC1230.15D.Z",
      "downloadURL": {
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        "@value": "https://epncb.oma.be/pub/RINEX/2015/123/CASC1230.15D.Z"
      },
      "gnss:obsData": {
        "@id": "https://epncb.oma.be/PID/2015/123/CASC00PRT_2015123_01D_30S_R2#obsdata"
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      "mediaType": "application/octet-stream",
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      "@id": "https://epncb.oma.be/PID/2015/123/CASC00PRT_2015123_01D_30S_R2#receiver",
      "gnss:firmware_version": "8.51/3.054",
      "gnss:igsModelCode": "LEICA GRX1200GGPRO"
    },
    {
      "@id": "https://epncb.oma.be/PID/2015/123/CASC00PRT_2015123_01D_30S_R2#obsdata",
      "@type": "gnss:OBSData",
      "gnss:compressFormat": {
        "@id": "https://gnss.be/PID/standard/hatanaka"
      },
      "gnss:format": {
        "@id": "https://gnss.be/PID/standard/RINEX"
      },
      "gnss:frequency": {
        "@id": "http://purl.org/cld/freq/daily"
      },
      "gnss:obsHeader": {
        "@id": "https://epncb.oma.be/PID/2015/123/CASC00PRT_2015123_01D_30S_R2#obsheader"
      },
      "gnss:station": {
        "@id": "https://epncb.oma.be/PID/CASC00PRT#station"
      }
    },
    {
      "@id": "https://epncb.oma.be/PID/2015/123/CASC00PRT_2015123_01D_30S_R2#checksum",
      "@type": "dct:Checksum",
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    {
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      "@type": "PeriodOfTime",
      "endDate": {
        "@type": "xsd:dateTime",
        "@value": "2015-05-03T23:59:30"
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      "startDate": {
        "@type": "xsd:dateTime",
        "@value": "2015-05-03T00:00:00"
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}