{
  "utc_start": "13:14",
  "duration_s": 1174.2500010936055,
  "imu_offset_in_gnss_s": 729.5,
  "Hm0_m": 2.5026894727286453,
  "H13_m": 2.2839463680922862,
  "H110_m": 2.9328016517129702,
  "Hmax_m": 4.051960886981641,
  "Tp_s": 9.481481481481481,
  "Tm01_s": 5.568191603986197,
  "Tm02_s": 5.146781038687105,
  "Tz_s": 5.217937224590524,
  "n_waves": 223,
  "rms_vertical_accel_g": 0.12099946203848616,
  "Hm0_window_min_m": 1.3844566643581184,
  "Hm0_window_max_m": 2.94591062548104,
  "bands": [
    {
      "name": "swell 7-14 s",
      "f_lo": 0.07,
      "f_hi": 0.14,
      "Hm0_m": 1.522586031421712,
      "pct_energy": 37.01261320271082
    },
    {
      "name": "wind sea 4-7 s",
      "f_lo": 0.14,
      "f_hi": 0.25,
      "Hm0_m": 1.6227833348719074,
      "pct_energy": 42.04430176980144
    },
    {
      "name": "short < 4 s",
      "f_lo": 0.25,
      "f_hi": 0.5,
      "Hm0_m": 1.05224188399962,
      "pct_energy": 17.677353053534834
    }
  ],
  "band_hz": [
    0.07,
    0.5
  ],
  "note": "heave of a hand-held phone; periods are encounter periods"
}