Federal Signal DSA6x4 ThunderDSA, Voice, Full Alert, Addison, Texas

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At 1:00, Wednesday. August 7, 2019, Addison conducted their monthly test of their emergency sirens. This was an old video I just decided to upload. This was brand new at the time I recorded the video. This DSA is running a Thunderbolt chopper level 6. Addison’s sirens are a mix of sounds, some with Thunderbolt tones and some with 2t22.

Видео Federal Signal DSA6x4 ThunderDSA, Voice, Full Alert, Addison, Texas канала NTXstorms