On Wednesday, June 12, 2013 2:46:25 PM UTC-4, K wrote:
On Wednesday, June 12, 2013 12:07:08 PM UTC-6, wrote: Just imagine the response when some CD calls and asks for a NOTAM "protecting" airspace over an area of 100 miles by 150 miles. The laughter would be deafening. It is possible and common to temporarily close an airport to permit grid and launch, but that is about all one can do. UH Actually this is not all one can do. Further, a CD can only "Issue" a local notam (with the concent of an airport manager). ATC can issue Notams for glider , balloon, model rockets and any other activity as they see fit. Kind of like the old days when you had to report towing activity in a control zone. Why do you find this amusing?

Many contest organizers do make their activity known to ATC or maybe the closest local tower. It certainly is a good idea. My comment was mostly aimed at the idea that this provides "protection". It may well be that at sites that work closely with their local ATC, traffic may be diverted. I know that where I fly in southeastern New York that if we called Boston Center and asked them to steer jets going into Newark around us, the response would simply be turn on your transponder and stay out of the way.
Fortunately they are still pretty high going over us.
UH