Hi The Russians put up the Gloanss system many years ago. It took a while to get all the kinks out of it. It has been running pretty well for over a decade:
https://en.wikipedia.org/wiki/GLONASS <https://en.wikipedia.org/wiki/GLONASS> The European Union is in the process of fleshing out the Galileo system: https://en.wikipedia.org/wiki/Galileo_(satellite_navigation) <https://en.wikipedia.org/wiki/Galileo_(satellite_navigation)> The Chinese have their BeiDou system still in the “getting going” phase (with some level of functionality being delivered for a number of years): https://en.wikipedia.org/wiki/BeiDou <https://en.wikipedia.org/wiki/BeiDou> All are aimed at being world wide / stand alone “competitors” to GPS. All deliver timing along with navigation. Bob > On Aug 6, 2020, at 12:17 PM, Taka Kamiya via time-nuts > <[email protected]> wrote: > > Someone in this thread mentioned "at least 2 satellite time and frequency > solutions" exists already. I only know of GPS (GNSS) constellations. What's > the other? > > --------------------------------------- > (Mr.) Taka Kamiya > KB4EMF / ex JF2DKG > > > On Thursday, August 6, 2020, 12:01:27 PM EDT, paul swed > <[email protected]> wrote: > > Magnus > Its honestly by luck that I know anything. From the bits I have read Europe > seems far closer to eLORAN then we are. Perhaps 6 months ago the US > performed a series of tests 2 eLoran solutions and something like 6 or more > satellite solutions. I know the old Iridium satellites were in the tests > and some other LEO satellites. > But thats about it. > What we need is a cheap SDR LORAN C sniffer. Low power runs 24 X 7 and > turns a LED on if the stations active. > Oh well another project in the someday pile. > Regards > Paul > WB8TSL > > On Thu, Aug 6, 2020 at 2:42 AM Magnus Danielson <[email protected]> wrote: > >> Hi Paul, >> >> I only ask as you seem to track this thing the best here on time-nuts, >> as far as I have seen, such that it is your emails that keeps me best up >> to date with the progress. >> >> Cheers, >> Magnus >> >> On 2020-08-05 19:21, paul swed wrote: >>> Hi Magnus been a while since have emailed. >>> Its one site that was a test transmitter. Its in New Jersey, USA. >>> The goal of the testing I believe is to establish the viability of an >>> alternate PNT reference to GPS. Additionally the ability to communicate >>> some level of message broadcast. This should be identical to proposals I >>> have heard of in Europe. >>> But I have no direct relationship to any of this. Like you, a very >>> interested observer and hope that eLORAN wins the battle. >>> Unfortunately there are many alternate proposals such as using other >>> satellites. Hmmm if I wanted to advance my career in the Air Force or >> Space >>> Force (Yes thats actually real now). >>> Would I select the lowly reliable as heck eLORAN at sub $100 M/year to >>> operate. Or the glorious space based proposals in $B region. Never mind >>> that at least 3 countries now have demonstrated killer satellites. >>> Sorry for that editorial. >>> Regards >>> Paul >>> WB8TSL >>> >>> On Wed, Aug 5, 2020 at 11:04 AM Magnus Danielson <[email protected]> >> wrote: >>> >>>> Hi, >>>> >>>> Do you know that they would do test with two actual transmitter sites? >>>> >>>> Cheers, >>>> Magnus >>>> >>>> On 2020-08-05 16:00, paul swed wrote: >>>>> Hello to fellow time nuts. >>>>> Warm up those old Austrons. eLORAN out of New Jersey has been on the >> air >>>>> intermittently prior to a test run next week. Due to the storm they >> have >>>>> lost power and should have it back today or tomorrow. >>>>> The intention will be on the air operation till the 20th. That's a long >>>>> run. Nice. >>>>> Seems the Austron 2100s can be had for reasonable money these days >> also. >>>>> Enjoy. >>>>> Paul >>>>> WB8TSL >>>>> _______________________________________________ >>>>> time-nuts mailing list -- [email protected] >>>>> To unsubscribe, go to >>>> http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com >>>>> and follow the instructions there. >>>> _______________________________________________ >>>> time-nuts mailing list -- [email protected] >>>> To unsubscribe, go to >>>> http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com >>>> and follow the instructions there. >>>> >>> _______________________________________________ >>> time-nuts mailing list -- [email protected] >>> To unsubscribe, go to >> http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com >>> and follow the instructions there. >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com >> and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
