A 6km radius would fit quite well with schemes like Community Radio in the UK: http://consumers.ofcom.org.uk/tv-radio/radio/a-guide-to-community-radio/ http://

A 6km radius would fit quite well with schemes like Community Radio in the UK: http://consumers.ofcom.org.uk/tv-radio/radio/a-guide-to-community-radio/ http://consumers.ofcom.org.uk/tv-radio/radio/a-guide-to-comm... ...still need a licence, of course.