Dataset {
    Float64 /longitude_time[9];
    Float32 /depth[20];
    Float64 /depth_time[20];
    Float64 /time_fix[24];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /latitude_fix[24];
    Float64 /longitude[9];
    Float64 /latitude[5];
    Float64 /latitude_fix_time[24];
    Float64 /longitude_fix[24];
    Float64 /longitude_fix_time[24];
    Float64 /latitude_time[5];
    Float64 /time_fix_time[24];
} cell-Normal.nc4;