Federal Signal Modulator 5020B, 3 Minute Alert, Coppell, TX @ Samuel Blvd

Monthly test of a relatively recent Modulator install in Coppell, TX. Located off of Samuel Blvd next to the Tech High School across from St. Ann Catholic Parish.
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[@SirenArchives]

Sounds like the wind up and wind down duration have been modded.

[@SirenofTexas]

Very nice

[@NormanWeather]

No voice? Damn.