{
  "@context": {
    "@vocab": "https://www.w3.org/ns/dcat#",
    "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/",
    "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#",
    "prov": "http://www.w3.org/ns/prov",
    "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
    "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
    "schema": "http://schema.org/",
    "skos": "http://www.w3.org/2004/02/skos/core#",
    "spdx": "http://spdx.org/rdf/terms#",
    "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#",
    "xsd": "http://www.w3.org/2001/XMLSchema#"
  },
  "@graph": [
    {
      "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2#temporal",
      "@type": "PeriodOfTime",
      "endDate": {
        "@type": "xsd:dateTime",
        "@value": "2004-06-11T23:59:30"
      },
      "startDate": {
        "@type": "xsd:dateTime",
        "@value": "2004-06-11T00:00:00"
      }
    },
    {
      "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2",
      "@type": "Distribution",
      "accessURL": {
        "@type": "xsd:anyURI",
        "@value": "https://epncb.oma.be/pub/RINEX/2004/163/ZYWI1630.04D.Z"
      },
      "adms:status": {
        "@id": "status:COMPLETED"
      },
      "compressFormat": "application/x-gzip",
      "dataset": {
        "@id": "https://epncb.oma.be/PID/ZYWI00POL"
      },
      "dct:checksum": {
        "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2#checksum"
      },
      "dct:conformsTo": {
        "@id": "https://gnss.be/PID/standard#hatanaka"
      },
      "dct:description": "Daily RINEX data of the GNSS station ZYWI00POL for DOY 163 of 2004",
      "dct:issued": {
        "@type": "xsd:dateTime",
        "@value": "2004-06-11T00:00:00"
      },
      "dct:license": {
        "@id": "https://epncb.oma.be/PID/ZYWI00POL#license"
      },
      "dct:modified": {
        "@type": "xsd:dateTime",
        "@value": "2014-01-24T20:14:41"
      },
      "dct:title": "ZYWI1630.04D.Z",
      "downloadURL": {
        "@type": "xsd:anyURI",
        "@value": "https://epncb.oma.be/pub/RINEX/2004/163/ZYWI1630.04D.Z"
      },
      "gnss:obsData": {
        "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2#obsdata"
      },
      "mediaType": "application/octet-stream",
      "temporal": {
        "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2#temporal"
      }
    },
    {
      "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_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/2004/163/ZYWI00POL_2004163_01D_30S_R2#obsheader"
      },
      "gnss:station": {
        "@id": "https://epncb.oma.be/PID/ZYWI00POL#station"
      }
    },
    {
      "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2#checksum",
      "@type": "dct:Checksum",
      "dct:checksumAlgorithm": "MD5",
      "dct:checksumValue": "7dd01b42582b797fb4195f6a2df154b8"
    },
    {
      "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2#receiver",
      "gnss:firmware_version": "CJ10",
      "gnss:igsModelCode": "ASHTECH UZ-12"
    },
    {
      "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2#antenna",
      "gnss:igsModelCode": "ASH701945C_M    SNOW",
      "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"
      }
    },
    {
      "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2#obsheader",
      "gnss:antenna": {
        "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2#antenna"
      },
      "gnss:interval": {
        "@type": "xsd:nonNegativeInteger",
        "@value": "30"
      },
      "gnss:issued": {
        "@type": "xsd:dateTime",
        "@value": "2004-06-11T00:00:00"
      },
      "gnss:markerName": "ZYWI00POL",
      "gnss:receiver": {
        "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2#receiver"
      },
      "gnss:rinexVersion": "2",
      "gnss:temporal": {
        "@id": "https://epncb.oma.be/PID/2004/163/ZYWI00POL_2004163_01D_30S_R2#temporal"
      }
    }
  ]
}