Fri Jan 10, 2014 1:59 am
They were, but apparently there was at least one or two that hadn't been taken down thereafter for whatever reason, but still were decommissioned. A few years after the new system has been in place, they decided to purchase three more sirens to integrate with the current system. Whomever installed the MOD 2 probably happened to have saw an existing "former" location next to an attraction spot where it could be most effective.