{
  "Frequency": [
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers2/efi/l2/eac/2025/ts2_l2_efi_eac_20250804_v2.0.0.cdf",
      "counts": [],
      "error": "RecVariance = 'NOVARY' for DEPEND_0 = 'Frequency' variable is not 'VARY' in master."
    },
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers2/efi/l2/eac/2026/ts2_l2_efi_eac_20260430_v2.0.0.cdf",
      "counts": [],
      "error": "RecVariance = 'NOVARY' for DEPEND_0 = 'Frequency' variable is not 'VARY' in master."
    }
  ],
  "ts2_l2_eac_packet_start": [
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers2/efi/l2/eac/2025/ts2_l2_efi_eac_20250804_v2.0.0.cdf",
      "start": "2025-08-04T22:57:34.296141000Z",
      "stop": "2025-08-04T23:59:10.296141000Z",
      "note": "Counts based on variable 'ts2_l2_eac_packet_start' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers2/efi/l2/eac/2025/ts2_l2_efi_eac_20250804_v2.0.0.cdf. The most common cadence, 64000000000 [ns] = PT1M4S, occurred for 98.2456% of the 56 timesteps.",
      "counts": [
        {
          "count": 56,
          "duration": 64000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M4S",
          "fraction": 0.9824561403508771
        },
        {
          "count": 1,
          "duration": 112000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M52S",
          "fraction": 0.017543859649122806
        }
      ]
    },
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers2/efi/l2/eac/2026/ts2_l2_efi_eac_20260430_v2.0.0.cdf",
      "start": "2026-04-30T00:00:17.049559000Z",
      "stop": "2026-04-30T23:59:03.050047000Z",
      "note": "Counts based on variable 'ts2_l2_eac_packet_start' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers2/efi/l2/eac/2026/ts2_l2_efi_eac_20260430_v2.0.0.cdf. The most common cadence, 500000000 [ns] = PT0.5S, occurred for 91.8165% of the 13789 timesteps.",
      "counts": [
        {
          "count": 13789,
          "duration": 500000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.5S",
          "fraction": 0.9181648688240778
        },
        {
          "count": 1208,
          "duration": 64000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M4S",
          "fraction": 0.08043680916233853
        },
        {
          "count": 2,
          "duration": 46000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT46S",
          "fraction": 0.00013317352510320947
        },
        {
          "count": 2,
          "duration": 63999512000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M3.999512S",
          "fraction": 0.00013317352510320947
        },
        {
          "count": 2,
          "duration": 35000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT35S",
          "fraction": 0.00013317352510320947
        },
        {
          "count": 2,
          "duration": 63999023000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M3.999023S",
          "fraction": 0.00013317352510320947
        },
        {
          "count": 1,
          "duration": 49000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT49S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 64503418000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M4.503418S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 50500000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT50.5S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 22000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT22S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 61000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M1S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 19000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT19S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 38000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT38S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 41000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT41S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 626500000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT10M26.5S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 641000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT10M41S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 34000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT34S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 30000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT30S",
          "fraction": 6.658676255160474e-05
        },
        {
          "count": 1,
          "duration": 25000000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT25S",
          "fraction": 6.658676255160474e-05
        }
      ]
    }
  ],
  "Epoch": [
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers2/efi/l2/eac/2025/ts2_l2_efi_eac_20250804_v2.0.0.cdf",
      "start": "2025-08-04T22:57:34.296218000Z",
      "stop": "2025-08-04T23:59:10.795728440Z",
      "note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers2/efi/l2/eac/2025/ts2_l2_efi_eac_20250804_v2.0.0.cdf. The most common cadence, 488280 [ns] = PT0.000488280S, occurred for 99.9040% of the 59334 timesteps.",
      "counts": [
        {
          "count": 59334,
          "duration": 488280,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.000488280S",
          "fraction": 0.9990402586250442
        },
        {
          "count": 56,
          "duration": 63500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M3.50049S",
          "fraction": 0.0009429038069741207
        },
        {
          "count": 1,
          "duration": 111500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M51.50049S",
          "fraction": 1.6837567981680726e-05
        }
      ]
    },
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers2/efi/l2/eac/2026/ts2_l2_efi_eac_20260430_v2.0.0.cdf",
      "start": "2026-04-30T00:00:17.049636000Z",
      "stop": "2026-04-30T23:59:03.549634440Z",
      "note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/tracers/tracers2/efi/l2/eac/2026/ts2_l2_efi_eac_20260430_v2.0.0.cdf. The most common cadence, 488280 [ns] = PT0.000488280S, occurred for 99.9024% of the 15364437 timesteps.",
      "counts": [
        {
          "count": 15364437,
          "duration": 488280,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.000488280S",
          "fraction": 0.9990235024583121
        },
        {
          "count": 13789,
          "duration": 489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.000489560S",
          "fraction": 0.0008965857372709241
        },
        {
          "count": 1208,
          "duration": 63500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M3.50049S",
          "fraction": 7.854634640824398e-05
        },
        {
          "count": 2,
          "duration": 45500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT45.50049S",
          "fraction": 1.3004361988119865e-07
        },
        {
          "count": 2,
          "duration": 63500001560,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M3.500002S",
          "fraction": 1.3004361988119865e-07
        },
        {
          "count": 2,
          "duration": 34500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT34.50049S",
          "fraction": 1.3004361988119865e-07
        },
        {
          "count": 2,
          "duration": 63499512560,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M3.499513S",
          "fraction": 1.3004361988119865e-07
        },
        {
          "count": 1,
          "duration": 48500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT48.50049S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 64003907560,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M4.003908S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 50000489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT50.00049S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 21500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT21.50049S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 60500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT1M0.50049S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 18500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT18.50049S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 37500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT37.50049S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 40500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT40.50049S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 626000489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT10M26.00049S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 640500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT10M40.50049S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 33500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT33.50049S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 29500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT29.50049S",
          "fraction": 6.502180994059932e-08
        },
        {
          "count": 1,
          "duration": 24500489560,
          "duration_unit": "ns",
          "duration_iso8601": "PT24.50049S",
          "fraction": 6.502180994059932e-08
        }
      ]
    }
  ]
}