Thanks Bob, If it helps the switched frequencies are: 0, 10, 20, 40, 60, 80, 100, 120, 140, 160, 180, 190Hz.
John. On 24 Jan 2012, at 22:09, Bob Camp wrote: > Hi > > Sounds about right for calibrating / verifying vibrating reed frequency > readouts. > > Bob > > -----Original Message----- > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > Behalf Of John Howell > Sent: Tuesday, January 24, 2012 5:00 PM > To: Discussion of precise time and frequency measurement > Subject: [time-nuts] US Army Frequency Standard > > Hi All, > > I recently obtained a curious Low Frequency Standard dating from the late > 1950s. Its output can be switched to a number of frequencies from 10 to > 190Hz, derived from a tuning fork. It is marked "Signal Corps" and "US Army" > with a type number TS-65D/FMQ-1. > > > Does anyone have any information about this unit, in particular what it was > used for and why the strange negative going pulse output and specific > frequencies. > > Thanks in advance, > John H. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
