4CRB 89.3FM Easy Listening Music. Gold Coast, Queensland, Australia Community Billboard If you would like to submit a community announcement, send us the details using the contact details below and submit at least two weeks before you want the promotion to be aired. Community announcements are usually aired twice daily at approximately 11.30am & 3.30pm. Community announcements are restricted to non-profit organisations. For further information, please contact the 4CRB office on (07) 5520 8888. Email: billboard@4crb.com  Post: PO Box 86 Burleigh Heads QLD 4220 Fax: 07 5576 3802 A list of upcoming events is included below for your convenience.