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searching for Directional siren 5 found (7 total)

Federal Signal Model 2 (660 words) [view diff] no match in snippet view article find links to article

dead link] 1. http://www.federalsignal-indust.com/product/2-omni-directional-siren 2. http://www.civildefensemuseum.org/sirens/manuals/2-5-SD10-STH10-STL10-255A154F

Canadian Line Materials (679 words) [view diff] exact match in snippet view article find links to article

of these sirens are the 5563, 5263, 5223, and 5261. The CLM omni-directional siren. The model number on this is 92763CP. It is an oddly designed 10/12

List of sirens built by Alerting Communicators of America (67 words) [view diff] exact match in snippet view article find links to article

SuperBanshee (originally called Banshee 120) was a dual-rotor omni directional siren. Most were only capable of the standard two signals, but they were

Severnside Sirens (403 words) [view diff] exact match in snippet view article find links to article

The directional siren in Lamplighters Marsh, Shirehampton. The antenna used to receive control signals is clearly visible.

Civil defense siren (13,859 words) [view diff] exact match in snippet view article find links to article

transducers facing in all directions to make an omnidirectional pattern. A directional siren may be applied where notification is only required for a defined area