In practice, “QCN tracking” means monitoring the position of a moving object (vehicle, drone, surveyor, robot, etc.) with using QZSS CLAS signals.
: Switches (Congestion Points) monitor queue occupancy and send feedback messages ( Fbcap F sub b qcn tracking
These are not scannable in Canada. They will likely just show up in your mailbox eventually without further updates once they leave China. 4. What to Do if Your Package is Stuck qcn tracking
In this context, means: