Dataset {
    Float64 /longitude_time[6];
    Float32 /depth[5];
    Float64 /depth_time[5];
    Float64 /time_fix[3];
    String /trajectory_id[15];
    Float32 /trajectoryNameLen[15];
    Float64 /latitude_fix[3];
    Float64 /longitude[6];
    Float64 /latitude[6];
    Float64 /latitude_fix_time[3];
    Float64 /longitude_fix[3];
    Float32 /NavChart/height_above_sea_floor[1480];
    Float64 /NavChart/height_above_sea_floor_time[1480];
    Float64 /longitude_fix_time[3];
    Float64 /latitude_time[6];
    Float64 /time_fix_time[3];
    Int32 /DeadReckonUsingMultipleVelocitySources/velocity_source[1877];
    Float64 /DeadReckonUsingMultipleVelocitySources/velocity_source_time[1877];
} hotspot-Normal.nc4;