I've always wondered, the majority of the older sirens in the system appear to be on metal tower structures. Was this more economical than the standard wooden utility pole at the time? I feel like metal towers would be more susceptible to lightning strikes. It was believed at the time that the towe...

Phone Goat wrote: ↑

Mon Apr 23, 2018 5:11 pm

Watched the video and I agree on the sense it may be a power issue. Is this a 3 phase siren?

Nope, single phase 240 volt

Bad rotator motor?

Going to have to investigate why this is happening. Possible power source issue.

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It was either that one or the one at McDonnell Elementary, as those were the only two replaced with 2001s during the system overhaul in the 90s (and into the early 2000s). I can't find a record of a siren at McDonnell. Here is a sheet used to test sirens prior to the mid 90s upgrade. McDonnell is n...

That Motorola panel is really cool. Thanks for sharing! Yep, no problem! We took the last siren off that system in 2001. If you ever watched the old 1970s show Emergency!, that tone was what our individual siren site activation tones sounded like. The whole system was a "Group Test" and w...

We installed a new 20V2T today out on Slaughter Rd. on the west side of Huntsville to replace the frozen up Thunderbeam:

Sirens 4 Cities removed the Thunderbeam and was taking it back to Atlanta. It would need a fair amount of work to restore and it would not have been cost effective for us to to do that. The blue gear assembly apparently was frozen. The whole siren was rusty. It had been refurbished 18 years ago and ...

we have Chaffee. Station 3, Davis Hills still out there.

Madison County, Alabama