In the special circumstances that exist at the moment there will be lot of support.. if you can get 5K marching then you'll get 10K to attend a properly organised event.. people want to express their opinion & this is a way of getting a clear message out.
I am absolutely confident that in the short term Sixfields games will have poor attendances & a rival events in Cov will have a much bigger crowd.
If the Ricoh has a valid PRS/PPL license, and I'd bet it does given the music played before matches then I don't think there should be any problems with broadcasting CWR. We have a PRS license for the shop and normally have the radio on or a CD and I believe we're covered for both of those.
Yes that is the "Sky Blue Player" which is run by the Football League Interactive website that CCFC have signed up to. Not 100% sure how that would affect relaying in public, but lots of shops and pubs have the radio on, just guess it would be difficult if the Ricoh charged for admission to listen to it, unless there was a match on the pitch with the game coincidentally played at the same time!