Dataset {
    Float64 /longitude_time[257];
    Float32 /depth[499];
    Float64 /depth_time[499];
    Float64 /time_fix[63];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /latitude_fix[63];
    Float64 /longitude[257];
    Float64 /latitude[263];
    Float64 /latitude_fix_time[63];
    Float64 /longitude_fix[63];
    Float64 /longitude_fix_time[63];
    Float64 /latitude_time[263];
    Float64 /time_fix_time[63];
} cell-Normal.nc4;