{
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    "adms": "http://www.w3.org/ns/adms#",
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    "time": "http://www.w3.org/2006/time#",
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    "vcard": "http://www.w3.org/2006/vcard/ns#",
    "voaf": "http://purl.org/vocommons/voaf#",
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      },
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      },
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      },
      "gnss:interval": {
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      "gnss:markerName": "GRAZ00AUT",
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      },
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      "gnss:igsModelCode": "LEIAR25.R4      LEIT",
      "gnss:marker-arpEastEcc": {
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        "@value": "0.0"
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      "gnss:marker-arpNorthEcc": {
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        "@value": "0.0"
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      "@type": "PeriodOfTime",
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        "@value": "2020-11-03T23:59:30"
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      "@id": "https://epncb.oma.be/PID/2020/308/GRAZ00AUT_2020308_01D_30S_R2#obsdata",
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      },
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      "gnss:frequency": {
        "@id": "http://purl.org/cld/freq/daily"
      },
      "gnss:obsHeader": {
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      "gnss:station": {
        "@id": "https://epncb.oma.be/PID/GRAZ00AUT#station"
      }
    },
    {
      "@id": "https://epncb.oma.be/PID/2020/308/GRAZ00AUT_2020308_01D_30S_R2#receiver",
      "gnss:firmware_version": "5.2.0",
      "gnss:igsModelCode": "SEPT POLARX5"
    }
  ]
}