My colleague 055166k is spot on.
RT loading is indeed a significant issue and one not taken seriously enough IMHO.
The only thing that will change this is a Flood of MORs from Pilots, or (hopefully not) an Emergency Situation that is adversely affected by high RT loading. I hope the first would prevent the second.
There have been a few papers on RT loading. The one that has been refered to also recommended that there should be an 8 second gap (yes EIGHT!) between controller transmissions. I can't really go along with that, as we'd never get anything done, but there should be time for a least a 2-3 sec gap i would suggest.
thoughts anyone?
Rgds BEX