It might well be so; "S." might stand for his sister's Christian name.
The first explanation is that they stand for the band's name: the first symbol is two intertwined threes representing "30".
The crook stands for the community's name (from German Bischof - bishop).
The initials stand for the Israeli military's official name, the Israeli Defense Forces.
The third said, 'Ba'al, too,' and the last note stands for your name.
The call letters stand for Dean's name.
It stands for the town's former name, Brodselden (the name Stadtprozelten first crops up in 1319).
The crown stands for the community's name (Königsfeld in German means "king's field").
The callsign KTOK actually stands for the original owner's name at the time the call letters were changed.
"Joe DiMaggio," he said, "would never tolerate and stand for his name being used on a public facility where you charge children to use the pool there."