San Francisco has changed much since I was stationed and then went to University in the Bay area.The first fog signal was a cannon fired manually.It was displayed at TRACEN ALAMEDA, Government Island, improperly mounted on a faux naval carriage.
The scrapping of the old foghorn was just one more insult to a lost culture of white gloved women and a clarity of public behaviour.

Um, "nautical mile"...

;-)

LOL! Love your spirit. Gettin' old here, too, so I'll try to keep up with ya...