{
  "json_vers":"0.11",
  "id":{
    "py/object":"FloatClasses.FloatId",
    "whoi":11775,
    "dac":-1,
    "wmo":-1
  },
  "age":-999,
  "fwver":"0x0A0E0028",
  "ctdtype":"RBR",
  "profdepthsum":0.0,
  "type":"ALTO",
  "startup":{
    "gps":{
      "py/object":"FloatClasses.Gps",
      "dt_epoch":1791569640,
      "dt_str":"2026-10-09T18:14:00Z",
      "lat":47.64972,
      "lon":-122.35598,
      "cep_km":0.01,
      "idx":5,
      "ttf_sec":10,
      "nsat":6,
      "snr_min":18,
      "snr_avg":34,
      "snr_max":46,
      "hdop":1.2
    },
    "sbd":{
      "py/object":"FloatClasses.Sbd",
      "dt_epoch":1791569843,
      "dt_str":"2026-10-09T18:17:23Z",
      "lat":47.6478,
      "lon":-122.31594,
      "cep_km":3,
      "size_b":36,
      "momsn":66,
      "mtmsn":0,
      "pid":2
    }
  },
  "deployment":{
    "gps":{
      "py/object":"FloatClasses.Gps",
      "dt_epoch":-1,
      "dt_str":"",
      "lat":NaN,
      "lon":NaN,
      "cep_km":NaN,
      "idx":-1,
      "ttf_sec":-1,
      "nsat":-1,
      "snr_min":-1,
      "snr_avg":-1,
      "snr_max":-1,
      "hdop":-9.0
    },
    "sbd":{
      "py/object":"FloatClasses.Sbd",
      "dt_epoch":-1,
      "dt_str":"",
      "lat":NaN,
      "lon":NaN,
      "cep_km":NaN,
      "size_b":-1,
      "momsn":-1,
      "mtmsn":-1,
      "pid":-1
    }
  },
  "latest":{
    "gps":{
      "py/object":"FloatClasses.Gps",
      "dt_epoch":-1,
      "dt_str":"",
      "lat":NaN,
      "lon":NaN,
      "cep_km":NaN,
      "idx":-1,
      "ttf_sec":-1,
      "nsat":-1,
      "snr_min":-1,
      "snr_avg":-1,
      "snr_max":-1,
      "hdop":-9.0
    },
    "sbd":{
      "py/object":"FloatClasses.Sbd",
      "dt_epoch":1791569619,
      "dt_str":"2026-10-09T18:13:39Z",
      "lat":47.67029,
      "lon":-122.34444,
      "cep_km":2,
      "size_b":332,
      "momsn":61,
      "mtmsn":0,
      "pid":6
    },
    "cycle":0,
    "duration":-999,
    "nsbd":1,
    "depth":-999.0
  }
}