ATI HPSS
In civil defense sirens, the ATI High-Power Speaker Station (HPSS),[1] is an electronic outdoor warning siren manufactured by Acoustic Technology, Inc (ATI) that is used to alert citizens of air raids and natural disasters.
Systems
HPSS systems use high-powered electronic speakers, which can be independently arranged to provide directional, omnidirectional, and formerly rotational coverage. The HPSS16 has four speakers, while the HPSS32 has eight speakers. The HPSS16R and HPSS32R are former rotational models that were discontinued. They can be used as public address (PA) systems and can play programmed tones. Options include solar-powered operation and pre-recorded voice messages.
Customers
- San Francisco, California - Features the sound of the decommissioned Federal Signal STL-10 sirens that it replaced
- Casitas Dam, Ventura, California - Looks like Federal Signal Directional Speaker Array (DSA) sirens, but can have 7–8 speakers per stack, and gray caps on the speaker cones.
- Indian Point Energy Center, New York
- Israel has 300 HPSS systems as a part of its warning system.
- Sedgwick County, Kansas and the City of Wichita use 27 ATI HPSS32 units.
- Forsyth County, Georgia has mostly ATI HPSS16R and ATI HPSS32 systems.
- Allen, Texas has 26 ATI HPSS32 units.
- Fort Riley, Kansas has 2 ATI HPSS16 units.
- Del City, Oklahoma has 8 ATI HPSS16 units.
- Malmstrom AFB, MT has 6 ATI HPSS16 units.
- Pasig, Philippines has 3 ATI HPSS32 units.
- Davao City, Philippines has at least 11 ATI HPSS32 units.
- Battle Creek, Michigan has four rotating ATI HPSS16R units.
- Menominee, Michigan has three early rotating ATI HPSS16R units
- Pensacola NAS, Florida, ATI HPSS16s mostly used for tornado warnings and play the colors
- University of West Florida In Pensacola, Florida, ATI HPSS16 sirens here are used for chemical spills, weather warnings, lock downs, and they play the Westminster Chimes.
- Arnold, Missouri 7 ATI HPSS32 units.[2]
- Ketchikan, Alaska maintains a system of 3 ATI HPSS32 units.[3][4][permanent dead link]
- Hudson County, New Jersey has an unknown number of HPSS sirens.
- Chile, Antofagasta has an unknown number of HPSS32 sirens.
- Sarnia, Ontario and the surrounding communities use a system of 22 ATI HPSS32 units.
- Bandon, Oregon use 4 ATI HPSS32's.
- Palo Verde Nuclear Generating Station, Wintersburg, Arizona use over 70 HPSS32 sirens.
- Cannon Beach, Oregon Arch Cape, Oregon has 6 HPSS32 sirens
References
- ↑ "High Powered Speaker Station" (PDF). www.atisystems.com.
- ↑ CrazySirenBoy (2008-10-26). Arnold, MO ATI Tornado Siren Test. Retrieved 2025-07-22 – via YouTube.
- ↑ "Third siren added to city's hazard warning system". 26 August 2015.
- ↑ "Google Sites". Unknown parameter
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External links
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