[time-nuts] US Army Frequency Standard

[J. Forster]

Google:

 "FMQ-1" Test Set

The -24P Parts Manual w/ exploded parts ID is in many places and has a
drawing of the front panel. It has no schematics.

The full manual will be -15 to -45 Depot Maintenance Manual, per standard
Army nomenclature. The last digit will be 5, without a following P.

-John

============



> Hi John:
>
> Is there a photo of the freq std on line?
>
> Have Fun,
>
> Brooke Clarke
> http://www.PRC68.com
> http://www.end2partygovernment.com/Brooke4Congress.html
>
>
> John Howell wrote:
>> 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-bounces at febo.com [mailto:time-nuts-bounces at 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.
>>>
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