Dataset {
    Float64 /longitude_time[4];
    Float32 /depth[3];
    Float64 /depth_time[3];
    Float64 /time_fix[3];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /latitude_fix[3];
    Float64 /longitude[4];
    Float64 /latitude[4];
    Float64 /latitude_fix_time[3];
    Float64 /longitude_fix[3];
    Float64 /longitude_fix_time[3];
    Float64 /latitude_time[4];
    Float64 /time_fix_time[3];
} cell-Normal.nc4;