{"columns":["dive","ascent_dt_epoch","ascent_dt_str","ascent_duration_s","descent_dt_epoch","descent_dt_str","descent_duration_s","drift_dt_epoch","drift_dt_str","drift_duration_s","surface_dt_epoch","surface_dt_str","surface_duration_s","total_duration_s"],"data":[[-8,-1,"",null,-1,"",null,-1,"",null,-1,"",null,0.0],[-7,-1,"",null,-1,"",null,-1,"",null,-1,"",null,0.0],[17,-1,"",null,-1,"",null,-1,"",null,-1,"",null,0.0],[18,-1,"",null,-1,"",null,-1,"",null,-1,"",null,0.0]]}