Sydney's community radio station north of the Harbour for all lovers of great music! Northside Broadcasting Co-operative (2NSB) is a community radio station based in Chatswood, north of Sydney. Playing more music you can't hear anywhere else, music that is not played on other radio stations. More local news, views and matters of local interest.It operates on the FM99.3 frequency and is referred to as the North Shore’s FM99.3 on-air and for business purposes. From January 2010 the station began restructuring its programs and music content to reflect the expressed wishes of the North Shore