Dataset {
    Float32 /trajectoryNameLen[15];
    String /trajectory_id[15];
    Float64 /latitude_time[81];
    Float64 /longitude[86];
    Float64 /longitude_time[86];
    Float64 /latitude[81];
    Float32 /depth[115];
    Float64 /depth_time[115];
} cell-Normal.nc4;