Uploaded July 2014 | Updated September 2026, 3 hours ago

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Here is my Video of one my counties federal signal modulators.
Voice starts at 0:13
Chester,MN 2001-130 Starts at 1:29 and listen for Rochester's 2001s Growl right after the 2001-130 starts. the rochester sirens are 9 miles away from the modulator. Modulator Alert Starts at 2:45