[time-nuts] UCCM GPSDO

William H. Fite omniryx at gmail.com
Sun Dec 4 18:49:50 EST 2016


Unbelievably Crude Clock Mechanism    :)

On Sunday, December 4, 2016, Bryan _ <bpl521 at outlook.com> wrote:

> I think the designation "UCCM" actually applies to the Symmetricom GPSDO
> boards. Since most of these tend to come salvaged from China, tongue in
> cheek I suspect "Unusable, Crushed, Cr_p, Mangled"
>
>
> Do the Trimble units report UCCM from the serial port?
>
>
>
> -=Bryan=-
>
>
>
>
> ________________________________
> From: time-nuts <time-nuts-bounces at febo.com <javascript:;>> on behalf of
> Tim Lister <listertim at gmail.com <javascript:;>>
> Sent: December 4, 2016 3:00 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] UCCM GPSDO
>
> On Sun, Dec 4, 2016 at 2:50 PM, Larry McDavid <lmcdavid at lmceng.com
> <javascript:;>> wrote:
> > Does anyone know the origin of the "UCCM" designation for the Trimble
> GPSDO
> > boards recently popular here?
> >
> > Is "UCCM" a valid model number, is it an acronym or is it something else?
> >
> > I've packaged several of these Trimble boards and I've seen about four
> > others, none of which was marked "UCCM." I've seen one on-line picture
> of a
> > packaged board that shows a separate label with "UCCM" marked.
> >
> > GPSCon already supports these "UCCM" boards and the next release of Lady
> > Heather is expected to support them also, so there is some acceptance of
> > this "UCCM" designation. But, what is the origin of this term and is it
> > valid?
>
> That's what the command prompt says when you connect to it over serial
> and it shows up in various places in response to commands such as
> SYST:STAT? I haven't taken my reboxed GPSDO apart to see if it says
> UCCM anywhere else on the board.
>
> >
> > --
> > Best wishes,
> >
> > Larry McDavid W6FUB
>
> Cheers,
> Tim
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