The first is having multiple antennas allows you get avoid blockage between your transmit and receiver antennas. If the camera operator walks behind a steel column, hopefully only one RF path will be blocked. You still have four paths to vote on. The fifth receive antenna is an omnidirectional antenna hung down from the middle of the JumboTron. You have great coverage when you're within the main lobe of each panel antenna, but each antenna's beam pattern is only 36 wide.
Coverage is poor in some areas.
The system is switching rapidly as the camera moves. You can try a pointer using a patch antenna aimed towards the JumboTron. The video quality improves dramatically. The number of blind spots is reduced, and the system switches less often. Antennas are placed about ten feet apart, over a total length of 50'.