The Siren Board

Discussion of Outdoor Warning Systems
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PostPosted: Wed Nov 06, 2019 6:24 pm 
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Joined: Fri Apr 08, 2011 12:51 am
Posts: 2032
Real Name: Brendan Williamson
YouTube Username: Brendan Williamson
Discord: Brendan W.#5159
Location: Gwinnett County, GA
Sorry if this is the wrong forum, but me and a few other users are starting a serial number registry for the pre-1976 thunderbolts (ones with T-XXXX-D or T-XXXX) and I wanted to post it in case anyone wanted to submit info, etc. for thunderbolts of this vintage. Here is what we have so far: ... edit#gid=0

The point of this is mainly to keep track of units but also to help get a better production estimate as to how many Thunderbolts have been built total as that figure is currently unknown, however I am sure it can be figured out in time and with a lot of research and adding up and all that too. Thanks!

1974 Model 2-120 (turned 240), 1983 Thunderbolt 1000BSC (head only)
20, Registered Skywarn spotter as of 4/29/18
Formerly TboltFan

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