Iridium but not available for general use. But there are actually more proposals then GPS and Iridium. Some might call it Piles-of-satellites. LEO stuff. $$$ Regards Paul WB8TSL
On Thu, Aug 6, 2020 at 3:48 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.
