John, At least you seem to have enough info to power it up safely. From its evident complexity, I think it might well be a Rb standard.
Dana On Sun, Jun 6, 2021 at 9:23 AM John Ackermann N8UR <j...@febo.com> wrote: > Looking through the junk box I came upon a metal box labeled: > > Frequency Standard > 05110-6014 > Series 330 > > It's about 4 1/2 x 5 1/2 x 3 inches and has odd voltage inputs -- -16V, > +10V, -12.6V along with a terminal for "meter switch" and 2 BNC jacks. > There are several adjustment points accessible through the box. > > Google doesn't turn up anything. Anyone know what this beast is? > > Thanks! > John > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send > an email to time-nuts-le...@lists.febo.com > To unsubscribe, go to and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.