{
  "epoch": [
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/imap/swapi/l3a/proton-sw/2026/imap_swapi_l3a_proton-sw_20260428_v001.0029.cdf",
      "start": "2026-04-28T00:00:26.129000000Z",
      "stop": "2026-04-28T23:59:26.054000000Z",
      "note": "Counts based on variable 'epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/imap/swapi/l3a/proton-sw/2026/imap_swapi_l3a_proton-sw_20260428_v001.0029.cdf. The most common cadence, 60000000000 [ns] = PT1M, occurred for 94.7880% of the 1364 timesteps.",
      "counts": [
        {
          "count": 1364,
          "duration": 60000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M",
          "fraction": 0.9478804725503822
        },
        {
          "count": 75,
          "duration": 59999000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT59.999S",
          "fraction": 0.05211952744961779
        }
      ]
    },
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/imap/swapi/l3a/proton-sw/2026/imap_swapi_l3a_proton-sw_20260428_v001.0029.cdf",
      "start": "2026-04-28T00:00:26.129000000Z",
      "stop": "2026-04-28T23:59:26.054000000Z",
      "note": "Counts based on variable 'epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/imap/swapi/l3a/proton-sw/2026/imap_swapi_l3a_proton-sw_20260428_v001.0029.cdf. The most common cadence, 60000000000 [ns] = PT1M, occurred for 94.7880% of the 1364 timesteps.",
      "counts": [
        {
          "count": 1364,
          "duration": 60000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M",
          "fraction": 0.9478804725503822
        },
        {
          "count": 75,
          "duration": 59999000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT59.999S",
          "fraction": 0.05211952744961779
        }
      ]
    }
  ]
}