The traditional remedy has been to reduce power allotments on frequencies that may interfere with other services. For example, this was done with the low end of the FM band to prevent channel 6 interference. Eliminating use of channel 51 looks more like a claw back. Next up, the channel 51 frequencies will go to cellular services and channel 50 will be eliminated...
At 20 I had a good mind. At 40 I had money. At 60 I've lost my mind and my money. Oh, to be 20 again. --Scary