[time-nuts] New GPSDO on EBAY From China

Chris Albertson albertson.chris at gmail.com
Sun Dec 28 19:49:34 UTC 2014


I remember seeing this same unit here on this list some weeks ago.  As I
remember it is built from some plans that were published.   You can see
that it uses a surplus OCXO.  The seller is good to claim the specs of his
GPSDO as being "two orders of magnitude above the OCXO".  because we don't
know what surplus OCXO this unit will be shipped with.   If you just want a
low cost GPSDO you can build one for maybe $50 total and then it is
repairable and should last "forever".  If you want predictable performance
you'll have to buy a name brand commercial unit.  This Chinese built unit
looks to be aimed at someone who needs a lab bench reference to keep his
frequency counter on calibration and does not want to do any soldering.

On Sun, Dec 28, 2014 at 7:25 AM, David Smith <w6te at msn.com> wrote:

> Hello Friends,
> I found this new inexpensive GPSDO on ebay listed from a seller from
> China:
> http://www.ebay.com/itm/GPS-DISCPLINED-CLOCK-GPSDO-10M-OUTPUT-SQUARE-WAVE-/111514491254?pt=LH_DefaultDomain_0&hash=item19f6c81976
> It looks interesting and tempting BUT.... the seller doesn't give any
> spec's on the unit or osc type. The seller has 10 negative and 18 neutral
> feedback's in the past 6 months out of a total of 2110 for a feedback score
> of 99.6%; many for poor communication.
> Does anyone on the list have any experience with this GPSDO? Any advice on
> buying one?
> Best regards and Happy New Year!
>
> Dave - W6TE
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-- 

Chris Albertson
Redondo Beach, California



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