STH-10C
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San Jose California Civil defense system.

Tue Feb 14, 2023 3:01 am

some of you might know that san Jose has a civil defense system, i have learned that the siren types that are there are model 5's SD-10's and scream masters, i am looking to learn it installation date. so if anyone has info please let me know.

nvanw27
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Re: San Jose California Civil defense system.

Tue Feb 14, 2023 3:52 pm

Post moved to correct Subforum
-Nik VW
3.6 roentgen - Not Great, not terrible.

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