Dataset {
    Float64 /longitude_time[53];
    Float32 /depth[20];
    Float64 /depth_time[20];
    Float64 /time_fix[31];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /latitude_fix[31];
    Float64 /longitude[53];
    Float64 /latitude[53];
    Float64 /latitude_fix_time[31];
    Float64 /longitude_fix[31];
    Float64 /longitude_fix_time[31];
    Float64 /latitude_time[53];
    Float64 /time_fix_time[31];
    Int32 /DeadReckonUsingMultipleVelocitySources/velocity_source[32777];
    Float64 /DeadReckonUsingMultipleVelocitySources/velocity_source_time[32777];
} cell-Normal.nc4;