Instructables user [rog8811] was looking to build a fog horn that resembled hand-pumped units found on small ships in the early to mid 1900s. His budget was a bit limited, so he set off to build the ...

SAN MATEO — A foghorn atop the San Mateo Bridge will be replaced after some San Mateo residents who live nearby complained that it was sounding continually. Caltrans determined last month that the ...

It’s been awfully quiet on foggy nights in Provincetown. Too quiet. At least, that’s how two different readers who submitted questions to the Banner’s reader-driven series Provincetown Pulse felt. The ...

Think back to a time before public address systems. You have an event that needs an announcer – an auction, sporting event, or rodeo. What you need is someone with a very loud voice – loud enough to ...

SAN FRANCISCO (KCBS) — While most San Franciscans are fond of the iconic sound of Golden Gate Bridge's fog horn, many residents were not so pleased when a malfunction caused it to blast—non stop—early ...

A new, loud noise blared in ocean beach during the dense fog. 10News reveals why some residents didn't recognize the sound. "It was all day every day," said Kara Roach. It went off, almost non-stop.