The Siren Board

Discussion of Outdoor Warning Systems
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PostPosted: Thu Jan 14, 2021 12:16 am 
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Joined: Fri Apr 08, 2011 12:51 am
Posts: 2176
Real Name: Brendan Williamson
YouTube Username: Brendan Williamson
Discord: Brendan W.#7026
Location: Gwinnett County, GA
10V2T wrote: *
Brendan W wrote: *
10V2T wrote: *

I believe you mentioned in your map of all the Thunderbolts that it was replaced with a Mod.
Which it was, the enclosure is still up there however. I believe it had the head removed and a mod mounted to it.
Oh, that's super interesting. I wonder why they didn't remove the enclosure.
Interestingly enough, I found 2 photos of the school with the Thunderbolt (The quality is atrocious on the 2nd one).
Here's a picture with the mod.
[ img ]

1974 Model 2-120, 1983 Thunderbolt 1000B
21, Registered Skywarn spotter as of 4/29/18
Formerly TboltFan

PostPosted: Sat Jan 16, 2021 12:19 am 
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Joined: Tue Mar 10, 2020 5:36 am
Posts: 60
Real Name: Justin
YouTube Username: HX56
Discord: HX56#3539
Location: Western Sydney - Australia
Grifco - A manufacturer of sirens in Australia, went out of the siren business about 20 years ago, All of their models have under 10 remaining, and they are slowly being removed.

Model names:

I have photos of these if anyone wants these.

Your Not So Local Australian Enthusiast! || Owner of r/AirRaidSirens on Reddit.

Owner of: Soon to be Owner of an AR Timer and potentially a Klaxon SO4
Sirens near me: None. :(

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