That Thunderbolt was replaced in 2015 for "Repairs" and was replaced with a reverse wired white 1000T.FirenadoEAS wrote: ↑Sat Feb 08, 2020 10:53 pmSaint Paul, Nebraska has a Thunderbolt 1003 that does Alternate Wail as a fire signal and is tested every month.
That looks like a one-sided sterling, doesn't look dual headed so it wouldn't really be possible for dual tone
As I have said 6 times, the entire system is inactive, and will never be active again.Purring Cat wrote: ↑Sun Nov 17, 2019 5:30 pmThe 1003 may still be active, but it has no blower and therefore only has a chopper.