{
  "@type": "dcat:Dataset",
  "accessLevel": "public",
  "bureauCode": [
    "026:00"
  ],
  "contactPoint": {
    "@type": "vcard:Contact",
    "fn": "NASA Space Physics Data Facility",
    "hasEmail": "mailto:NASA-SPDF-Support@nasa.onmicrosoft.com"
  },
  "description": "This ASCII data set contains 30-min count rates for \n21 \"pulse-counting\" channels from a Cerenkov counter (which measures,\nvia 3 discrimination levels, electrons >6 MeV plus nuclei >480 MeV/n,\nelectrons >9 MeV plus nuclei >550 MeV/n, and electrons >13 MeV plus \nnuclei >650 MeV/n), an electron scatter detector (nuclei >80 MeV/n\nand electrons >0.16, >0.255, >0.46 MeV), and a minimizing ionizing \nparticle counter (nuclei >80 MeV and electrons >35 MeV.  The data set \nalso contains 30-min averaged currents from the Cerenkov counter and \ntwo scintillators, spacecraft position and attitude data, and various \nother statistical and housekeeping data.  The electrometer-based currents \ndata are not reliable.  The data are all for mission cruise phases and \nnot planetary encounters.",
  "distribution": [
    {
      "@type": "dcat:Distribution",
      "downloadURL": "ftps://spdf.gsfc.nasa.gov/pub/data/pioneer/pioneer11/particle/trd/ip_30min_ascii/",
      "format": "BIN",
      "mediaType": "application/octet-stream"
    },
    {
      "@type": "dcat:Distribution",
      "downloadURL": "https://helio.data.nasa.gov/dataset/Pioneer11_TRD_PT30M",
      "format": "BIN",
      "mediaType": "application/octet-stream"
    },
    {
      "@type": "dcat:Distribution",
      "downloadURL": "https://hpde.io/NASA/NumericalData/Pioneer11/TRD/PT30M",
      "format": "BIN",
      "mediaType": "application/octet-stream"
    },
    {
      "@type": "dcat:Distribution",
      "downloadURL": "https://spdf.gsfc.nasa.gov/pub/data/pioneer/pioneer11/particle/trd/ip_30min_ascii/",
      "format": "BIN",
      "mediaType": "application/octet-stream"
    },
    {
      "@type": "dcat:Distribution",
      "downloadURL": "https://spdf.gsfc.nasa.gov/pub/data/pioneer/pioneer11/particle/trd/ip_30min_ascii/voldesc.sfdu",
      "format": "BIN",
      "mediaType": "application/octet-stream"
    }
  ],
  "identifier": "https://doi.org/10.48322/15dg-3164",
  "keyword": [
    "energeticparticles"
  ],
  "landingPage": "https://doi.org/10.48322/15dg-3164",
  "license": "https://www.usa.gov/government-works",
  "modified": "2026-09-08",
  "programCode": [
    "026:000"
  ],
  "publisher": {
    "@type": "org:Organization",
    "name": "SPDF"
  },
  "theme": [
    "Heliophysics"
  ],
  "title": "Pioneer 11 Trapped Radiation Detector (TRD) 30-m Count Rate Summary Data"
}