[time-nuts] Chinese GPSDOs

[Paul Alfille]

Leo Bodnar (Great Britain) makes some nice GPSDO devices for reasonable
prices, albeit TXCO.
http://www.leobodnar.com/shop/index.php?main_page=product_info&cPath=107&products_id=234

On Fri, Apr 17, 2020 at 10:53 AM Tobias Pluess <tpluess at ieee.org> wrote:

> I wonder why the only (or at least, most of the) GPSDOs one can find on
> eBay are from China. Is there a reason for that?
> I would like to buy used GPSDOs and OCXOs from other sources because the
> stuff from China is often of doubtful pedigree and I would never 100% trust
> one of those. They often look like they were treated very badly and I have
> the impression that it is often unqualified personnel who pulls out the
> GPSDOs from whatever equipment they have there.
> The same is for Rb standards. I would already have one, but I can only find
> Chinese sources, so I better keep my money than I buy a Rb standard from
> which I don't know whether it was treated properly when removed from some
> electronic equipment.
>
> Having said that I can add that I do have one of those dubious GPSDOs from
> there; however not the particular model you mentioned. The GPSDO works but
> I don't know whether it can be trusted. I once compared it to a Trimble
> Thunderbolt, but I am not sure whether it was the Trimble which was
> unstable or my own unit. It looks like the seller has made some
> modifications to it and I don't know why. Also, there is no measurement
> data available.
>
>
> Tobias
> HB9FSX
>
>
> On Fri, Apr 17, 2020 at 4:05 PM Steve - Home <steve-krull at cox.net> wrote:
>
> > There are some Chinese GPSDOs currently on eBay, containing a Symmetricom
> > 10MHz oscillator and a Furuno GT-8031 GPS receiver. Has anyone had any
> > experience with them? It’s hard to tell from the pictures what the power
> > requirements are. I know the GT-8031 is an older 8-channel receiver. I
> was
> > considering one for a portable 10MHz reference. Anyone checked these out
> > yet?
> >
> > Steve
> > WB0DBS
> >
> >
> >
> >
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