Seem to recall they may be rs422. On Sat, Dec 25, 2010 at 10:37 AM, Pete Lancashire <p...@petelancashire.com>wrote:
> I knew I was not the first :-) ! > > I was willing to sacrifice this one since it was marked intermittent > and I have a total of five. Three of the other four > are still in sealed bags. > > As to powering up, I've not yet located any of the cables. I do have > foggy memories of there being some at least > 50' maybe 100'. > > Their GPS need was only 1 PPS, why the special I don't know. > > Thanks ! > > -pete > > On Sat, Dec 25, 2010 at 2:08 AM, Robert Atkinson <robert8...@yahoo.co.uk> > wrote: > > Hi Pete, > > That is the same case as the Palisade. I've opened one before. It looks > like it should unclip but does not. The two halves do clip together, but > there is a "gutter" inside the circumference of the lower half that a molded > edge of the top fits into. They fill the gutter with epoxy before clipping > them together. I had to cut through the top to open it. It had a curved > crossed dipole antenna and a GPS RX on a PCB. All highly inegrated. Have you > tried powering it up using the Palisade / accutime connection info and > montitoring the data pins? > > > > Happy Holidays, > > Robert G8RPI. > > > > --- On Fri, 24/12/10, Pete Lancashire <p...@petelancashire.com> wrote: > > > > > > From: Pete Lancashire <p...@petelancashire.com> > > Subject: [time-nuts] how to open a Trimble mushroom ? > > To: "Discussion of precise time and frequency measurement" < > time-nuts@febo.com> > > Date: Friday, 24 December, 2010, 22:00 > > > > > > More goodies from storage > > > > I have a few 'special' Trimble mushroom GPS's. I'm trying to open one up > > but can't seem to get very far. I've pulled all the tabs out but still > can't pry > > the case open. > > > > They interface between the two sections doesn't look welded or glued. > > > > Here a couple picts > > > > http://petelancashire.com/gallery/main.php?g2_itemId=21208 > > > > The data on these guys was trashed long ago when the company closed > > up. I could not locate it anywhere. > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > > > > > > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.