Category:Rotating Sirens: Difference between revisions

From airraidsirens.net, the Internet's premiere site for siren information and discussion
Jump to navigation Jump to search
(Sirens aren't magically locked to those three speeds, removed that and cleaned up redundancy)
(Adding to sirens page)
Line 1: Line 1:
Sirens that have a narrow, unidirectional sound beam but rotate to cover more area.
Sirens that have a narrow, unidirectional sound beam but rotate to cover more area.
[[Category:Sirens]]

Revision as of 04:10, 10 March 2017

Sirens that have a narrow, unidirectional sound beam but rotate to cover more area.