{
  "ts1_l2_ehf_snapshot_start": [
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/highfrequency/2025/ts1_l2_efi_ehf_20250926_v1.1.0.cdf",
      "start": "2025-09-26T01:54:33.000000000Z",
      "stop": "2025-09-26T02:12:41.000000000Z",
      "note": "Counts based on variable 'ts1_l2_ehf_snapshot_start' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/highfrequency/2025/ts1_l2_efi_ehf_20250926_v1.1.0.cdf. The most common cadence, 16000000000 [ns] = PT16S, occurred for all 68 timesteps.",
      "counts": [
        {
          "count": 68,
          "duration": 16000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT16S",
          "fraction": 1.0
        }
      ]
    },
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/highfrequency/2026/ts1_l2_efi_ehf_20260430_v1.1.0.cdf",
      "start": "2026-04-30T09:10:44.000000000Z",
      "stop": "2026-04-30T23:40:21.000000000Z",
      "note": "Counts based on variable 'ts1_l2_ehf_snapshot_start' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/highfrequency/2026/ts1_l2_efi_ehf_20260430_v1.1.0.cdf. The most common cadence, 16000000000 [ns] = PT16S, occurred for 94.3750% of the 151 timesteps.",
      "counts": [
        {
          "count": 151,
          "duration": 16000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT16S",
          "fraction": 0.94375
        },
        {
          "count": 1,
          "duration": 11547000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT3H12M27S",
          "fraction": 0.00625
        },
        {
          "count": 1,
          "duration": 5721000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1H35M21S",
          "fraction": 0.00625
        },
        {
          "count": 1,
          "duration": 5756000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1H35M56S",
          "fraction": 0.00625
        },
        {
          "count": 1,
          "duration": 11137000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT3H5M37S",
          "fraction": 0.00625
        },
        {
          "count": 1,
          "duration": 5290000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1H28M10S",
          "fraction": 0.00625
        },
        {
          "count": 1,
          "duration": 3495000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT58M15S",
          "fraction": 0.00625
        },
        {
          "count": 1,
          "duration": 1744000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT29M4S",
          "fraction": 0.00625
        },
        {
          "count": 1,
          "duration": 3311000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT55M11S",
          "fraction": 0.00625
        },
        {
          "count": 1,
          "duration": 1760000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT29M20S",
          "fraction": 0.00625
        }
      ]
    }
  ],
  "Epoch": [
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/highfrequency/2025/ts1_l2_efi_ehf_20250926_v1.1.0.cdf",
      "start": "2025-09-26T01:54:33.000077000Z",
      "stop": "2025-09-26T02:12:41.000896150Z",
      "note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/highfrequency/2025/ts1_l2_efi_ehf_20250926_v1.1.0.cdf. The most common cadence, 50 [ns] = PT0.000000050S, occurred for 99.9940% of the 1130427 timesteps.",
      "counts": [
        {
          "count": 1130427,
          "duration": 50,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.000000050S",
          "fraction": 0.9999398493580246
        },
        {
          "count": 68,
          "duration": 15999180850,
          "duration_unit": "ns",
          "duration_iso8601": "PT15.999181S",
          "fraction": 6.0150641975417845e-05
        }
      ]
    },
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/highfrequency/2026/ts1_l2_efi_ehf_20260430_v1.1.0.cdf",
      "start": "2026-04-30T09:10:44.000077000Z",
      "stop": "2026-04-30T23:40:21.000896150Z",
      "note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/highfrequency/2026/ts1_l2_efi_ehf_20260430_v1.1.0.cdf. The most common cadence, 50 [ns] = PT0.000000050S, occurred for 99.9939% of the 2637663 timesteps.",
      "counts": [
        {
          "count": 2637663,
          "duration": 50,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.000000050S",
          "fraction": 0.9999393439211046
        },
        {
          "count": 151,
          "duration": 15999180850,
          "duration_unit": "ns",
          "duration_iso8601": "PT15.999181S",
          "fraction": 5.724417445749772e-05
        },
        {
          "count": 1,
          "duration": 11546999180850,
          "duration_unit": "ns",
          "duration_iso8601": "PT3H12M26.999181S",
          "fraction": 3.791004930960114e-07
        },
        {
          "count": 1,
          "duration": 5720999180850,
          "duration_unit": "ns",
          "duration_iso8601": "PT1H35M20.999181S",
          "fraction": 3.791004930960114e-07
        },
        {
          "count": 1,
          "duration": 5755999180850,
          "duration_unit": "ns",
          "duration_iso8601": "PT1H35M55.999181S",
          "fraction": 3.791004930960114e-07
        },
        {
          "count": 1,
          "duration": 11136999180850,
          "duration_unit": "ns",
          "duration_iso8601": "PT3H5M36.999181S",
          "fraction": 3.791004930960114e-07
        },
        {
          "count": 1,
          "duration": 5289999180850,
          "duration_unit": "ns",
          "duration_iso8601": "PT1H28M9.999181S",
          "fraction": 3.791004930960114e-07
        },
        {
          "count": 1,
          "duration": 3494999180850,
          "duration_unit": "ns",
          "duration_iso8601": "PT58M14.999181S",
          "fraction": 3.791004930960114e-07
        },
        {
          "count": 1,
          "duration": 1743999180850,
          "duration_unit": "ns",
          "duration_iso8601": "PT29M3.999181S",
          "fraction": 3.791004930960114e-07
        },
        {
          "count": 1,
          "duration": 3310999180850,
          "duration_unit": "ns",
          "duration_iso8601": "PT55M10.999181S",
          "fraction": 3.791004930960114e-07
        },
        {
          "count": 1,
          "duration": 1759999180850,
          "duration_unit": "ns",
          "duration_iso8601": "PT29M19.999181S",
          "fraction": 3.791004930960114e-07
        }
      ]
    }
  ]
}