[time-nuts] Another Trimble Thunderbolt-like GPS?

Robert Darlington rdarlington at gmail.com
Mon Dec 19 21:20:31 UTC 2011


It looks like he laid out paper to use as a background and the PCB is just
under the edge of one sheet.

-Bob

On Mon, Dec 19, 2011 at 1:49 PM, <aartmolsen at comcast.net> wrote:

> I think the PCB cut off at ebay # 300628220912 is an image artifact. If
> you look carefully you'll see the "cut" extend into the gray area on the
> right. Fluke-L (it's "L", not i) wouldn't foist a sawn-off board to
> sophisticated buyers.
>
>
> Aart Olsen
>
> ----- Original Message -----
> From: "Ed Palmer" <ed_palmer at sasktel.net>
> To: "Discussion of precise time and frequency measurement" <
> time-nuts at febo.com>
> Sent: Monday, December 19, 2011 9:16:32 AM
> Subject: Re: [time-nuts] Another Trimble Thunderbolt-like GPS?
>
> It's not paranoia if it's true! :-)
>
> Take a look at the pictures for # 270725678037 . These boards don't
> have the connector cut off of the corner of the board. Good eyes.
>
> Ed
>
>
> On 12/19/2011 12:47 AM, Peter Bell wrote:
> > Most of the parts (and their grouping) seem the same as the NTPX26AB -
> > which based on my quick play with one seems to have basically the same
> > hardware as a Thunderbolt. The only strange thing I noticed was that
> > although it would work with the Trimble tbolt software Lady Heather
> > couldn't recognize it.
> >
> > Maybe I'm being paranoid, but looking at that photo it looks like part
> > of the board has been cut off - this would also explain the slightly
> > evasive "I'll tell you where the power goes after you buy it". Of
> > course, this won't necessarily stop it from working, but it might be
> > worth checking.
> >
> > Regards,
> >
> > Pete
> >
> >
> > On Mon, Dec 19, 2011 at 12:41 PM, Chris Albertson
> > <albertson.chris at gmail.com> wrote:
> >> There are some Trimble GPS receivers on eBay. They say "10Mhz 1pps"
> >> but they are not Thunderbolts. These are an A4 sized PCB, no
> >> enclosure. The seller says it takes 48VDC to run. Seems reasonable
> >> as there is a large DC/DC power converter in the board.
> >>
> >> Anyone know more? How to they compare to the Thunderbolt?
> >>
> >> Good photos at Auction #300628220912
> >> --
> >>
> >> Chris Albertson
> >> Redondo Beach, California
>
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