[time-nuts] US Army Frequency Standard

Stan, W1LE stanw1le at verizon.net
Tue Jan 24 18:19:17 EST 2012


Possibly tuning up the mechanicals of a teletype set.

Stan, W1LE


On 1/24/2012 4:59 PM, John Howell wrote:
> 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.
>
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