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Exelon Calvert Cliffs Nuclear ASC T-128 Siren Test - June 1, 2020

Tue Jun 02, 2020 3:33 am

Here is a T-128 near the Calvert Cliffs Nuclear Power Plant sounding for its semi-annual 3 minute test. Sounds like this particular siren may have run off of its DC battery backup supply for this test; a different way to test considering this is a T-128AC/DC, but it does makes sure the DC backup supply works.

Calvert Cliffs Nuclear tests on the 1st Monday of every month at noon; sounding for 3 minutes in June & December, and is growled all other months. Enjoy!



https://www.youtube.com/watch?v=Q5OIIhhgsG8
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nvanw27
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Re: Exelon Calvert Cliffs Nuclear ASC T-128 Siren Test - June 1, 2020

Tue Jun 02, 2020 1:46 pm

That is an excellent recording! I sure do like the pitch of T-128s running on battery power.
-Nik VW
3.6 roentgen - Not Great, not terrible.

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