{
  "Epoch": [
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms2/fpi/fast/l2/des-momsaux/2015/09/mms2_fpi_fast_l2_des-momsaux_20150901080000_v3.4.0.cdf",
      "start": "2015-09-01T09:45:54.996628000Z",
      "stop": "2015-09-01T09:59:56.505814000Z",
      "note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms2/fpi/fast/l2/des-momsaux/2015/09/mms2_fpi_fast_l2_des-momsaux_20150901080000_v3.4.0.cdf. The most common cadence, 4500054000 [ns] = PT4.500054S, occurred for 19.7861% of the 37 timesteps.",
      "counts": [
        {
          "count": 37,
          "duration": 4500054000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500054S",
          "fraction": 0.19786096256684493
        },
        {
          "count": 36,
          "duration": 4500044000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500044S",
          "fraction": 0.1925133689839572
        },
        {
          "count": 32,
          "duration": 4500055000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500055S",
          "fraction": 0.1711229946524064
        },
        {
          "count": 29,
          "duration": 4500043000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500043S",
          "fraction": 0.15508021390374332
        },
        {
          "count": 17,
          "duration": 4500045000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500045S",
          "fraction": 0.09090909090909091
        },
        {
          "count": 10,
          "duration": 4500053000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500053S",
          "fraction": 0.053475935828877004
        },
        {
          "count": 8,
          "duration": 4500042000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500042S",
          "fraction": 0.0427807486631016
        },
        {
          "count": 7,
          "duration": 4500056000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500056S",
          "fraction": 0.0374331550802139
        },
        {
          "count": 4,
          "duration": 4500052000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500052S",
          "fraction": 0.0213903743315508
        },
        {
          "count": 4,
          "duration": 4500057000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500057S",
          "fraction": 0.0213903743315508
        },
        {
          "count": 3,
          "duration": 4500046000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500046S",
          "fraction": 0.016042780748663103
        }
      ]
    },
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms2/fpi/fast/l2/des-momsaux/2025/12/mms2_fpi_fast_l2_des-momsaux_20251227180000_v3.4.0.cdf",
      "start": "2025-12-27T18:00:03.423548000Z",
      "stop": "2025-12-27T18:00:21.423867000Z",
      "note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms2/fpi/fast/l2/des-momsaux/2025/12/mms2_fpi_fast_l2_des-momsaux_20251227180000_v3.4.0.cdf. The most common cadence, 4500071000 [ns] = PT4.500071S, occurred for 50.0000% of the 2 timesteps.",
      "counts": [
        {
          "count": 2,
          "duration": 4500071000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500071S",
          "fraction": 0.5
        },
        {
          "count": 1,
          "duration": 4500089000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500089S",
          "fraction": 0.25
        },
        {
          "count": 1,
          "duration": 4500088000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.500088S",
          "fraction": 0.25
        }
      ]
    }
  ]
}