Dataset {
    Float64 /longitude_time[21];
    Float32 /depth[9];
    Float64 /depth_time[9];
    Float64 /time_fix[8];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /latitude_fix[8];
    Float64 /longitude[21];
    Float64 /latitude[19];
    Float64 /latitude_fix_time[8];
    Float64 /longitude_fix[8];
    Float64 /longitude_fix_time[8];
    Float64 /latitude_time[19];
    Float64 /time_fix_time[8];
} cell-Normal.nc4;