Quick question. I am looking at the netrs and do not believe it can act as a NTP server. I do see the ntp client settings. Am I missing something? Thanks Paul WB8TSL
On Tue, Mar 22, 2022 at 3:09 PM paul swed <paulsw...@gmail.com> wrote: > Did get the "convert to rinex" working. I actually seemed to have a bad > exe. I found a newer one on the actual trimble site not unavco and that > installed and operated correctly. I can see why a rinex file is useful. Its > readable. > Regards > Paul > WB8TSL > > On Mon, Mar 21, 2022 at 6:25 PM paul swed <paulsw...@gmail.com> wrote: > >> Well Bob >> There you go changing the game just a bit. I saw the NTP settings and was >> thinking for some reason it might want to access a NTP server. I can see I >> have it backwards. Just may add a IP. I would have gotten there given time. >> But I will take a short cut any day. >> The Net RS is reasonably low power at 12V @ .35A or 4.5W. Its not >> apparent in the unit that the power coming in hits an inverter. I think >> its a linear regulator. Nothing looked like a choke for conversion. >> Did stick the antenna out of the window for a clearer view of the sky and >> picked up 8-10 db. The house blocks to the north. >> Regards >> Paul >> WB8TSL >> >> On Mon, Mar 21, 2022 at 5:50 PM Bob kb8tq <kb...@n1k.org> wrote: >> >>> Hi >>> >>> More NetRS trivia: >>> >>> One of the features of the NetRS is that it will act as an NTP server. >>> It’s not the most modern device so I very much would not want to >>> serve a ton of clients off of one. It also has been a *long* time since >>> the OS was patched. If you are looking for “modern” features or >>> security patches, maybe not the best thing to use. It certainly isn’t >>> going to compete with the Leo Bodnar NTP in terms of size or >>> power consumption. You won’t get a steady stream of updates and >>> patches like you would on something cool from Meinberg. >>> >>> That said, for a “shop for a while” sub $150 sort of price, they would >>> be a reasonable deal. Not many packaged NTP products on eBay >>> that you “just plug in” and that run multi-band GPS. You would get >>> the frequency monitoring and RTK base station stuff “for free”. >>> >>> Can you / could you / might you upgrade the OS? Since there really >>> isn’t much info on what the hardware looks like, that could be >>> exciting. The cards are “locked down” (though not encrypted) as >>> received so even poking around to try this or that isn’t trivial. How >>> much was done (if anything) to keep the OS “out of the way” of the >>> GPS code …. who knows …. >>> >>> Fun !! >>> >>> Bob >>> >>> >>> >>> > On Mar 21, 2022, at 1:01 PM, John Ackermann N8UR <j...@febo.com> wrote: >>> > >>> > You can stream data out of the receiver via either TCP or serial port >>> without storing to disk, so that's probably the best bet to save CF wear >>> and tear. I'm not sure if it's more difficult to turn the >>> > >>> > But for now I'm doing as you suggest -- I have one "T00" format >>> session logging to disk in 24 hour files, with the "autodelete" function >>> turned on to delete oldest files first when the disk gets nearly full. >>> > >>> > However, I've been collecting data now for almost 4 months, and have >>> used 68.5 MB, with 770 MB still available, so I won't need to delete >>> anything for quite a long while. >>> > >>> > John >>> > ---- >>> > >>> > On 3/21/22 11:22, Skip Withrow wrote: >>> >> Hello Time-Nuts, >>> >> Seems like there has been a lot of interest in the NetRS lately >>> >> because of their availability at reasonable prices (sometimes). >>> >> They use a Compact Flash card to store the operating system and logged >>> >> data files. I'm not very knowledgeable about Linux, but I would guess >>> >> that there is no wear leveling implemented in this receiver. >>> >> So, when considering how best to use the data logging area it would >>> >> seem that instead of collecting some data, downloading it, deleting >>> >> file(s), and repeating the best strategy would be to collect data and >>> >> let the data logging area fill up before deleting (the files could be >>> >> read anytime). >>> >> This would minimize the number of writes to any one area of the CF >>> >> card I believe (except perhaps the directory structure). >>> >> However, even if you were deleting data often, you still may not be >>> >> able to get to the life of the CF card. The good news is that even if >>> >> a card does go bad you can reconstruct a new one from the image of >>> >> version 1.3-2 of the software that is floating around. I have tried >>> >> it and it works. >>> >> If there is better insight into the operation of this receiver, or >>> >> best practices strategy I'm all ears. >>> >> Regards, >>> >> Skip Withrow >>> >> _______________________________________________ >>> >> time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe >>> send an email to time-nuts-le...@lists.febo.com >>> >> To unsubscribe, go to and follow the instructions there. >>> > _______________________________________________ >>> > time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe >>> send an email to time-nuts-le...@lists.febo.com >>> > To unsubscribe, go to and follow the instructions there. >>> _______________________________________________ >>> time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe >>> send an email to time-nuts-le...@lists.febo.com >>> To unsubscribe, go to and follow the instructions there. >> >> _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.