A FS STL-10 in Bala Cynwyd, PA 1979.

https://www.youtube.com/watch?v=FhMlO2KgzGA

This is the worst 3T22 I have heard.. I told the fire chief about the issue. Siren is a 3T22B. Appears the brushes are the actual cause of the issue.

Found this in one of my Facebook groups. HOR in Brooklyn, NY. Late 1960's. https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-9/fr/cp0/e15/q65/131717992_3787440864620026_3141573394475033966_o.jpg?_nc_cat=110&ccb=2&_nc_sid=ca434c&efg=eyJpIjoidCJ9&_nc_ohc=RzmARtHzLxkAX-vXWT2&_nc_ht=sconte...

Orange wrote: ↑

Wed Dec 16, 2020 3:48 am

Sorry if I’m going off topic, but what type of sirens are they?

2001-SRNBs, 2001-130s, and 3 Modulators.

Here is a video of my Thunderbolt 1000 being activated my smartphone!



https://www.youtube.com/watch?v=oBBko1fl6Rs

I just found out that VC Summer near Newberry, SC will be decommissioning their nuclear sirens in 2021 because they are replacing them with WEAs (Wireless Emergency Alerts). Once was I told by the Newberry EMA back March 2020. I told EMA that it's wrong to decommission nuclear sirens. The EMA then s...

Here is a statewide map of sirens in South Carolina that Brendan W. and I have been working on for a while now. Brendan W. is the creater of the map. If you know any siren locations that are not listed on the map, please let us know. Thanks.


https://goo.gl/maps/i74TdHNabmLYiPUX6

I know everything here knows that I have a Thunderbolt 1000B that is active as an emergency warning siren for my area and Spartanburg County, SC. I am doing upgrades to the Thunderbolt controls. It's almost done. Once it's done, Thunderbolt will be fully WiFi controlled or app controlled. Here are t...

Here's a vintage photo of a Thunderbolt at the airport near Washington, DC from the Washington, DC Cold War Siren System.

Highest pitch T-128 I ever watched. I guess they rebuilt the siren motor, but with less windings than the amount required for normal rpm.