Sentry 10V2T Decomissioning + Whelen Vortex R4 Acceptance Test - Miller, MO
Sirenentest Schweiz 2020 KTG-10 (4K) Maschwanden ZH
Whelen WPS-4008 Siren Test (Best Possible Protection & Bilingual Voice), McKinney, TX
WWII Carter Air Raid Siren
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[EDIT]Playing a modulator hi-lo and alt wail on whelen vortex r4
Campbell County Modulator MOD-2008 Alternate Wail
Whelen Vortex R4 | Alert, Air Horn, and Hi-Lo | Wilmington, OH
Whelen Vortex Best Possible protection and other tones
Alternate Wail signal glitch compilation
Whelen Finback Vortex R4 Siren Test | Wail | Talmo, GA | 10/5/2022
Outdoor Warning Siren Compilation 2
Whelen WPS-4004 Nuclear Siren Test - Voice, Alert, & Fast Wail - Cedar Rapids (DAEC), IA
ATI HPSS-16R - Westminster Chimes - Medford, WI
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[6K Sub Special] Different types of sirens ep. 11: Alternate Wail!
Analog Whelen WPS-4004 Siren Test -- 8/16/24 -- Alert -- Sigourney, IA
ACA Banshee Sussex Wisconsin
Federal Signal EOWS 612 Siren Test, All Signals, Forest Hills, PA
Federal Signal Modulator Siren - Alternate Wail - Manasquan NJ - HURRICANE IRENE
Whelen Hornet - All Signals - Wisconsin Siren Meet - 8/1/2020
Grundy County Tornado Warning with Sirens 2/28/2017