I have an elderly Trimble Thunderbolt that I use primarily as a frequency reference. The date has never been correct (today, it reads Aug 15, 1999), which probably resulted from the last rollover. Should I anticipate any additional problems with the upcoming rollover? This Thunderbolt has Application software version 3.0, and GPS Core version 10.02. The Board serial number is 81737225, date of manufacture is 10/26/4. Are there updates that fix the date? Thanks,   - John

Hi Pretty much all of the GPSDO’s on eBay are long past their “end of support” date. In a lot of cases, even when “in support” free updates were not available, even to OEM customers. The simple answer with the TBolt is to run it into something (like Lady Heather ) that understands what’s going on. The display software then corrects for the issue and (more or less) all is well. In some cases a manual “update the date” process will fix the problem. That generally holds as long as power to the unit is not lost. Once power cycles, you get to manually enter the date again. My preference is to let LH deal with this sort of stuff. In this case “all is well” includes that the TBolt keeps putting out a proper PPS at the top of each second. The 10 MHz is properly disciplined. What happens around a leap second is up to LH since the PPS really does not care about UTC / GPS time. Bob > On Mar 31, 2019, at 1:05 PM, John Reilly <reillyjf@comcast.net> wrote: > > I have an elderly Trimble Thunderbolt that I use primarily as a frequency reference. The date has never been correct (today, it reads Aug 15, 1999), which probably resulted from the last rollover. Should I anticipate any additional problems with the upcoming rollover? > > This Thunderbolt has Application software version 3.0, and GPS Core version 10.02. The Board serial number is 81737225, date of manufacture is 10/26/4. Are there updates that fix the date? > > Thanks, > - John > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there.

FWIW UNAVCO now lists some actual hardware models with issues/no-issues and links to further material: https://kb.unavco.org/kb/article/preparing-gps-gnss-receivers-and-hardware-for-the-april-6-2019-gps-week-number-rollover-wnro-867.html On Sun, Mar 31, 2019 at 10:00 PM Bob kb8tq <kb8tq@n1k.org> wrote: > Hi > > Pretty much all of the GPSDO’s on eBay are long past their “end of > support” date. In a lot of cases, even > when “in support” free updates were not available, even to OEM customers. > The simple answer with the > TBolt is to run it into something (like Lady Heather ) that understands > what’s going on. The display software > then corrects for the issue and (more or less) all is well. > > In some cases a manual “update the date” process will fix the problem. > That generally holds as long as > power to the unit is not lost. Once power cycles, you get to manually > enter the date again. My preference > is to let LH deal with this sort of stuff. > > In this case “all is well” includes that the TBolt keeps putting out a > proper PPS at the top of each second. > The 10 MHz is properly disciplined. What happens around a leap second is > up to LH since the PPS really > does not care about UTC / GPS time. > > Bob > > > On Mar 31, 2019, at 1:05 PM, John Reilly <reillyjf@comcast.net> wrote: > > > > I have an elderly Trimble Thunderbolt that I use primarily as a > frequency reference. The date has never been correct (today, it reads Aug > 15, 1999), which probably resulted from the last rollover. Should I > anticipate any additional problems with the upcoming rollover? > > > > This Thunderbolt has Application software version 3.0, and GPS Core > version 10.02. The Board serial number is 81737225, date of manufacture is > 10/26/4. Are there updates that fix the date? > > > > Thanks, > > - John > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@lists.febo.com > > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. >

Hi One device on that list is the NetRS. If you have one and are not on the latest firmware, the upgrade is free and fairly easy to do. TBolt’s show up as “non-compliant / no fix / end of life long past”. There are a number of other devices from various outfits that also fall into this “no solution” category. On some of the other gear the cost to do the upgrade could well be into the “yikes” range. For most outfits there is a per device upgrade fee. You actually are coming up to date on the entire firmware, not just patching the week number issue. Bob > On Apr 2, 2019, at 1:43 PM, Anders Wallin <anders.e.e.wallin@gmail.com> wrote: > > FWIW UNAVCO now lists some actual hardware models with issues/no-issues and > links to further material: > https://kb.unavco.org/kb/article/preparing-gps-gnss-receivers-and-hardware-for-the-april-6-2019-gps-week-number-rollover-wnro-867.html > > > On Sun, Mar 31, 2019 at 10:00 PM Bob kb8tq <kb8tq@n1k.org> wrote: > >> Hi >> >> Pretty much all of the GPSDO’s on eBay are long past their “end of >> support” date. In a lot of cases, even >> when “in support” free updates were not available, even to OEM customers. >> The simple answer with the >> TBolt is to run it into something (like Lady Heather ) that understands >> what’s going on. The display software >> then corrects for the issue and (more or less) all is well. >> >> In some cases a manual “update the date” process will fix the problem. >> That generally holds as long as >> power to the unit is not lost. Once power cycles, you get to manually >> enter the date again. My preference >> is to let LH deal with this sort of stuff. >> >> In this case “all is well” includes that the TBolt keeps putting out a >> proper PPS at the top of each second. >> The 10 MHz is properly disciplined. What happens around a leap second is >> up to LH since the PPS really >> does not care about UTC / GPS time. >> >> Bob >> >>> On Mar 31, 2019, at 1:05 PM, John Reilly <reillyjf@comcast.net> wrote: >>> >>> I have an elderly Trimble Thunderbolt that I use primarily as a >> frequency reference. The date has never been correct (today, it reads Aug >> 15, 1999), which probably resulted from the last rollover. Should I >> anticipate any additional problems with the upcoming rollover? >>> >>> This Thunderbolt has Application software version 3.0, and GPS Core >> version 10.02. The Board serial number is 81737225, date of manufacture is >> 10/26/4. Are there updates that fix the date? >>> >>> Thanks, >>> - John >>> >>> _______________________________________________ >>> time-nuts mailing list -- time-nuts@lists.febo.com >>> To unsubscribe, go to >> http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com >>> and follow the instructions there. >> >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@lists.febo.com >> To unsubscribe, go to >> http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com >> and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there.