Hard to believe, but the Quadro QRS 250G Tracker story gets bigger by the minute. I hope you're seated as I describe this. That photo was then taken to what appeared, to the uninitiated person, to be a Canon copier.
Science marches on.
I believe that the user can unconsciously influence the movement of the antenna. The unit is intricately balanced and can be moved from right to left with the slightest tilt of the hand. Mr. Fielder, my compliments. You have done what numerous highly-educated academics, chiefs of police, school principals and journalists have found to be beyond their abilities.