Wow, thanks! You answered all my questions, and very quickly. -- Jamie --- Jason Rabel <[EMAIL PROTECTED]> wrote:
> Hi Jamie, > > The VP is the top of the line model. I bought one of > the VP models from > midnight_seller on eBay, it is running the latest > firmware (10), has an > onboard battery, right angle MCX, and has all the > features enabled (IBC), > position hold, 1PPS and all that jazz. I asked Randy > @ Synergy what that > code meant and he said the following: > > The options go like this: > I: TRAIM > B: Basic "plain vanilla receiver" > C: Carrier phase > > The UT+ is the timing model, it uses a subset of the > VP commands. It also > only works in the Motorola Binary format, it can not > switch to NMEA mode. It > also has TRAIM and position hold. Besides the 1PPS > output, it can also do a > 100PPS output. I bought a couple of these from > sales3600 on eBay, they do > NOT have a battery, have a straight MCX connector, > and they were running > firmware 3.1, which the latest is 3.2, I again asked > Randy @ Synergy what > the difference was and he said 3.2 had a fix for > 100PPS. He would update a > receiver for $25 each, but since I'm not using > 100PPS I have no real reason > to upgrade it since it works fine as-is. > > The GT models are more for navigation, not timing. > They do not have position > hold or TRAIM. They do have 1PPS but it is not as > accurate as the VP or UT+ > models. > > For the prices on eBay I would get the VP receiver, > unless you specifically > want/need the 100PPS, which you would still have to > update the firmware. > > Once you start considering costs for everything else > you will need, i.e. > adapter for power & RS232 signals, antenna, etc... > You could just also spend > a little more and get a M12M Timing (newer model) > Starter Kit from Synergy > Systems. > > Now, about the Rockwell Jupiter 8 boards... > > The TU30D140 is 5V powered (Antenna can be passive, > 5V or 12V) > The TU30D160 is 3.3V powered (Antenna can be > passive, 5V or 12V) > > Both boards have 10 KHz output. That's about it... > > Any of the above units will work with NTP, in their > native binary modes. I > know with the Jupiter 8 if you switch it to nmea > mode then the time will be > 1-2 seconds behind always in the nmea sentences. > I've experienced the same > issue with an old sirf receiver, and a superstar II. > I haven't tried my > motorola in nmea mode so I don't know what it would > do. As far as support > goes, the motorola has the most options in NTP. > > I'm listing a couple jupiter boards on eBay, and I > would be willing to sell > them direct for less than what I'm listing them. > > If you dig around in the time-nuts archives, you can > a discussion on these > boards within the past couple months I believe. > > I have loads of PDFs for all the above Motorola & > Rockwell stuff. Too much > to email but I can throw it online and you can > download whatever you need or > want. > > If you want a frequency reference, someone has been > selling Brandywine GPS-4 > units on eBay for $355, I don't know how many he has > left or when the next > batch will be listed. You can go to their website > for more info, but it's a > GPS unit with an OCXO and everything. > > Jason > > > Hello all > > > > I am looking for information on the different > > Motorola Oncore GPS's. Would like to know what > the > > difference is between the UT+ and VP, and the > > differences between the different model numbers. > > Advantages of one over the other? Stuff like > that. > > The links from TAPRs page to Motorola is no longer > > valid. Can anyone point me to a good source of > basic > > information like that? Maybe someone had an > e-version > > of the specs for these? Looking at different ones > on > > ebay and not sure which one to get for building a > > frequency reference like the one by Brooks Shera. > > > > > Also, I found some Rockwell Jupiter's, models > TU30D140 > > and TU30D160. What is the difference between > them? I > > believe the TU30D140 has the 10KHz output. Is > that > > true? > > > > Thanks in advance! --Jamie > > > _______________________________________________ > time-nuts mailing list > time-nuts@febo.com > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > Fedora Core 4 Linux ____________________________________________________________________________________ Do you Yahoo!? Everyone is raving about the all-new Yahoo! Mail beta. http://new.mail.yahoo.com _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
