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Bethany is a small town in Oklahoma County that has a system of 4 2001-130's and a single P-15. Bethany's old system consisted Allertor 125's and 3T22's. The P-15 is the last siren remaining of their old system. The P-15 is single tone and reverse wired.

The sirens are tested every Saturday at noon, sometimes even mildly bad weather/rain.