The Siren Board - Index page - Air Raid Sirens
4 days ago · Main Outdoor Warning Sirens Board. This is "the siren board", the main siren discussion forum, for discussion of all things related to Outdoor Warning Sirens. 8155 Topics. 90418 Posts. Last post Re: Whelen 4004 vs 4003. by Bloomblueberrymuffin Mon Nov 11, 2024 12:57 am. Videos and Media. This area is for posting any siren-related media.
The Official U.S.A. Siren Map - The Siren Board - Air Raid Sirens
Mar 12, 2022 · After many years of hard work thanks to lots of hard working contributors, I give you the "Official U.S.A. Siren Map" Over 50,000+ across all 50 states. Please note that the map is still being worked on, however if you find any mistakes or missing location, please don't hesitate to reach out to one of the editors, or use the google form linked ...
Ports, Frequencies, Pitches, Resultants @ 3450 rpm (updated)
Jun 3, 2006 · If the H.O.R. is 3450 rpm, 7-port is G - 402.5 Hz. That G is 10 Hz. sharp above a tempered (tuned) G, (392 Hz). Plus, the 10-port D5 - 575 Hz, is 12.3 Hz flat below a tuned D (587.3 Hz) So this makes a pure fifth which is narrower than a tuned fifth.
Master list of State/Country siren maps - The Siren Board - Air …
Nov 1, 2021 · Master list of State/Country siren maps. Mon Nov 01, 2021 1:33 am. This thread lists exhaustive siren maps for each US state or other countries around the world. No county/city/siren type maps.
The Official Australian Outdoor Warning Sirens Map
Feb 12, 2022 · The Official Australian Outdoor Warning Sirens Map. Decided to release this the Australian Siren Map that Me, HX56 and Lightningfun64 have been working on. We spent 8 months mapping out sirens making this is the most accurate Australian siren map around! It is complete with sirens sorted in layers of what state they are in including external ...
The Official Pennsylvania Siren Map - The Siren Board - Air Raid …
Jan 15, 2021 · The Official Pennsylvania Siren Map. Fri Jan 15, 2021 1:31 pm. Hello all. I have this map to share with you all. Me, Luke and sirens are cool have made this map of PA. It is still a WIP, we are finishing up power plants such as Three Mile Island and Beaver Valley and checking some fire stations. I started in around August, as you can see we ...
Yamaha Music Sirens - The Siren Board - Air Raid Sirens
Oct 25, 2023 · After development, Yamaha went on to sell 12 units of the 2nd generation music sirens. The sirens were developed and manufactured by Yamaha in Hamamatsu City starting in the early 1950’s just before the end of the war. Production ended in …
San Diego Mystery Sirens - The Siren Board
Mar 10, 2022 · San Diego Mystery Sirens. Thu Mar 10, 2022 4:45 am. As mentioned by other board members, there isn't much info on San Diego's Civil Defense Siren System. Growing up in San Diego, I can tell you the system was modern and very extensive throughout the city. Sirens were tested at noon each Monday...While there are no still photos of the sirens, I ...
UK Siren Map - The Siren Board - Air Raid Sirens
May 7, 2018 · UK Siren Map. Another brilliant brainchild of mine made possible with the aid of Glist and Chem-Boffin whoever he is. We'll just call him Alfie. If you have locations we don't have, do drop them below. Thanks! Last edited by Synther on …
Siren Manuals - The Siren Board - Air Raid Sirens
Jul 15, 2009 · Re: Siren Manuals Thu Jul 16, 2009 11:16 pm If anyone is willing to convert a TBolt manual into a TXT or DOC file, and either post it or send it to me, I'd greatly appreciate it, because my screen reader does a dismal job with PDF's.