Dataset {
    Float64 /longitude_time[15];
    Float32 /depth[12];
    Float64 /depth_time[12];
    Float64 /time_fix[7];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /latitude_fix[7];
    Float64 /longitude[15];
    Float64 /latitude[20];
    Float64 /latitude_fix_time[7];
    Float64 /longitude_fix[7];
    Float64 /longitude_fix_time[7];
    Float64 /latitude_time[20];
    Float64 /time_fix_time[7];
} cell-Normal.nc4;