[BC] Broadcasting sirens

[Jeffrey Kopp]

>[Willie:] In the Devon area of Milford (where WFIF is located) they have a
>similar network of sirens, only these do double duty. They use them as a
>massive public address system whenever the tide is expected to reach flood
>levels. First, they air the wailing siren sound a few times. Then an announcer
>gets on ...

There's the answer to your sunrise/sunset problem, Willie.