{
  "epoch": [
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/imap/mag/l2/norm-srf/2026/imap_mag_l2_norm-srf_20260428_v001.0006.cdf",
      "start": "2026-04-28T00:00:00.000000000Z",
      "stop": "2026-04-28T23:59:59.500000000Z",
      "note": "Counts based on variable 'epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/imap/mag/l2/norm-srf/2026/imap_mag_l2_norm-srf_20260428_v001.0006.cdf. The most common cadence, 500000000 [ns] = PT0.5S, occurred for all 172799 timesteps.",
      "counts": [
        {
          "count": 172799,
          "duration": 500000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.5S",
          "fraction": 1.0
        }
      ]
    },
    {
      "url": "https://cdaweb.gsfc.nasa.gov/sp_phys/data/imap/mag/l2/norm-srf/2026/imap_mag_l2_norm-srf_20260428_v001.0006.cdf",
      "start": "2026-04-28T00:00:00.000000000Z",
      "stop": "2026-04-28T23:59:59.500000000Z",
      "note": "Counts based on variable 'epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/imap/mag/l2/norm-srf/2026/imap_mag_l2_norm-srf_20260428_v001.0006.cdf. The most common cadence, 500000000 [ns] = PT0.5S, occurred for all 172799 timesteps.",
      "counts": [
        {
          "count": 172799,
          "duration": 500000000,
          "duration_unit": "ns",
          "duration_iso8601": "PT0.5S",
          "fraction": 1.0
        }
      ]
    }
  ]
}