{
  "Epoch": [
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/vdc/2025/ts1_l2_efi_vdc_20250926_v1.1.0.cdf",
      "start": "2025-09-26T01:54:01.269274000Z",
      "stop": "2025-09-26T02:13:01.261461000Z",
      "note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/vdc/2025/ts1_l2_efi_vdc_20250926_v1.1.0.cdf. The most common cadence, 7812000 [ns] = PT0.007812S, occurred for 47.0861% of the 72384 timesteps.",
      "counts": [
        {
          "count": 72384,
          "duration": 7812000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.007812S",
          "fraction": 0.47086068159789757
        },
        {
          "count": 72383,
          "duration": 7813000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.007813S",
          "fraction": 0.47085417655974554
        },
        {
          "count": 23,
          "duration": 125000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.125S",
          "fraction": 0.0001496158774971215
        },
        {
          "count": 1,
          "duration": 6125000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT6.125S",
          "fraction": 6.505038152048762e-06
        }
      ]
    },
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/vdc/2026/ts1_l2_efi_vdc_20260430_v1.1.0.cdf",
      "start": "2026-04-30T08:47:32.191149000Z",
      "stop": "2026-04-30T23:43:00.204821000Z",
      "note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers1/efi/l2/vdc/2026/ts1_l2_efi_vdc_20260430_v1.1.0.cdf. The most common cadence, 7813000 [ns] = PT0.007813S, occurred for 35.6582% of the 168968 timesteps.",
      "counts": [
        {
          "count": 168968,
          "duration": 7813000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.007813S",
          "fraction": 0.3565816547256017
        },
        {
          "count": 168710,
          "duration": 7812000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.007812S",
          "fraction": 0.35603718437074633
        },
        {
          "count": 132260,
          "duration": 125000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.125S",
          "fraction": 0.2791149191208281
        },
        {
          "count": 304,
          "duration": 1000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.000001000S",
          "fraction": 0.0006415464646358063
        },
        {
          "count": 176,
          "duration": 3906000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.003906S",
          "fraction": 0.00037142163742072995
        },
        {
          "count": 169,
          "duration": 4883000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.004883S",
          "fraction": 0.0003566491859324055
        },
        {
          "count": 169,
          "duration": 2930000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.00293S",
          "fraction": 0.0003566491859324055
        },
        {
          "count": 168,
          "duration": 488000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.000488000S",
          "fraction": 0.0003545388357197877
        },
        {
          "count": 161,
          "duration": 7324000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.007324S",
          "fraction": 0.0003397663842314632
        },
        {
          "count": 160,
          "duration": 3418000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.003418S",
          "fraction": 0.00033765603401884545
        },
        {
          "count": 153,
          "duration": 1953000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.001953S",
          "fraction": 0.00032288358253052094
        },
        {
          "count": 151,
          "duration": 5371000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.005371S",
          "fraction": 0.00031866288210528535
        },
        {
          "count": 136,
          "duration": 5859000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.005859S",
          "fraction": 0.0002870076289160186
        },
        {
          "count": 135,
          "duration": 4394000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.004394S",
          "fraction": 0.00028489727870340085
        },
        {
          "count": 131,
          "duration": 8301000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.008301S",
          "fraction": 0.0002764558778529297
        },
        {
          "count": 130,
          "duration": 2441000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.002441S",
          "fraction": 0.0002743455276403119
        },
        {
          "count": 120,
          "duration": 6836000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.006836S",
          "fraction": 0.0002532420255141341
        },
        {
          "count": 112,
          "duration": 976000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.000976000S",
          "fraction": 0.0002363592238131918
        },
        {
          "count": 89,
          "duration": 6348000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.006348S",
          "fraction": 0.00018782116892298277
        },
        {
          "count": 88,
          "duration": 1464000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.001464S",
          "fraction": 0.00018571081871036497
        },
        {
          "count": 88,
          "duration": 1465000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.001465S",
          "fraction": 0.00018571081871036497
        },
        {
          "count": 88,
          "duration": 6347000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.006347S",
          "fraction": 0.00018571081871036497
        },
        {
          "count": 80,
          "duration": 2929000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.002929S",
          "fraction": 0.00016882801700942272
        },
        {
          "count": 80,
          "duration": 4882000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.004882S",
          "fraction": 0.00016882801700942272
        },
        {
          "count": 64,
          "duration": 4395000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.004395S",
          "fraction": 0.00013506241360753817
        },
        {
          "count": 64,
          "duration": 2442000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.002442S",
          "fraction": 0.00013506241360753817
        },
        {
          "count": 56,
          "duration": 5860000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.00586S",
          "fraction": 0.0001181796119065959
        },
        {
          "count": 56,
          "duration": 977000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.000977000S",
          "fraction": 0.0001181796119065959
        },
        {
          "count": 48,
          "duration": 6835000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.006835S",
          "fraction": 0.00010129681020565363
        },
        {
          "count": 45,
          "duration": 8302000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.008302S",
          "fraction": 9.496575956780028e-05
        },
        {
          "count": 40,
          "duration": 1952000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.001952S",
          "fraction": 8.441400850471136e-05
        },
        {
          "count": 40,
          "duration": 3417000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.003417S",
          "fraction": 8.441400850471136e-05
        },
        {
          "count": 40,
          "duration": 5370000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.00537S",
          "fraction": 8.441400850471136e-05
        },
        {
          "count": 18,
          "duration": 5372000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.005372S",
          "fraction": 3.798630382712011e-05
        },
        {
          "count": 17,
          "duration": 7325000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.007325S",
          "fraction": 3.587595361450232e-05
        },
        {
          "count": 8,
          "duration": 489000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.000489000S",
          "fraction": 1.688280170094227e-05
        },
        {
          "count": 1,
          "duration": 126465000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.126465S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 9450154297000,
          "duration_unit": "ns",
          "duration_iso8601": "PT2H37M30.154297S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 113769000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.113769S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 3689694336000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1H1M29.694336S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 132324000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.132324S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 3676000488000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1H1M16.000488S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 129883000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.129883S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 4007813000,
          "duration_unit": "ns",
          "duration_iso8601": "PT4.007813S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 3492025879000,
          "duration_unit": "ns",
          "duration_iso8601": "PT58M12.025879S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 3934128906000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1H5M34.128906S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 12007813000,
          "duration_unit": "ns",
          "duration_iso8601": "PT12.007813S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 3618280762000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1H18.280762S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 130371000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.130371S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 6007813000,
          "duration_unit": "ns",
          "duration_iso8601": "PT6.007813S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 3434717774000,
          "duration_unit": "ns",
          "duration_iso8601": "PT57M14.717774S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 8789000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.008789S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 8790000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.00879S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 15007813000,
          "duration_unit": "ns",
          "duration_iso8601": "PT15.007813S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 3200878906000,
          "duration_unit": "ns",
          "duration_iso8601": "PT53M20.878906S",
          "fraction": 2.110350212617784e-06
        },
        {
          "count": 1,
          "duration": 11007812000,
          "duration_unit": "ns",
          "duration_iso8601": "PT11.007812S",
          "fraction": 2.110350212617784e-06
        }
      ]
    }
  ]
}