A little experiment I tried this past weekend at my model railway club's operating session.
All in all, I think it turned out quite well, although I missed part of the first half of the session when the camera battery died and had to be recharged. It was good to go again after lunch, so luckily I didn't miss too much of the action.
So here is (not quite) a full session of action at the main switching yard on the club layout: