Exactly and at night you have groundwave and skywave. In reality both exist all of the time its just the strength changes. This is why LORAN C radios have ability to reduce the effects of skywave. It has to do with the structure of teh transmitted signal. Paul
On Fri, Aug 7, 2020 at 6:25 PM Gilles Clement <[email protected]> wrote: > Would’nt 100khz carrier propagate mostly by ground wave (during day time) > ? So following earth curvature ? > Gilles. > > > > Le 7 août 2020 à 21:34, paul swed <[email protected]> a écrit : > > > > Taka > > Yes it does. More ionosphere than air. It would be skywave or indirect > > path. I mentioned that earlier. > > Now silly thought would a huge antenna work especially if you are at the > > antipode. Further would it be gray line propagation. > > Thats just silly talk. But something to think about. > > Regards > > Paul. > > > >> On Fri, Aug 7, 2020 at 2:01 PM Taka Kamiya via time-nuts < > >> [email protected]> wrote: > >> > >> Wouldn't such a long distance propagation result in less precision? The > >> signal will have to go through distance through air which isn't > constant in > >> dialectic values. Wouldn't it be problematic for level of accuracy we > >> pursue? > >> > >> --------------------------------------- > >> (Mr.) Taka Kamiya > >> KB4EMF / ex JF2DKG > >> > >> > >> On Friday, August 7, 2020, 9:14:23 AM EDT, paul swed < > >> [email protected]> wrote: > >> > >> I believe South Korea is indeed building new eLORAN chains. I have seen > >> mention of it. > >> With respect to distance In the US I could occasionally receive the > >> European West chain at night and in the winter. Thats about 3200 miles. > It > >> would also be by skywave so that deteriorates accuracy. > >> Regards > >> Paul > >> WB8TSL > >> > >>> On Fri, Aug 7, 2020 at 5:26 AM Björn <[email protected]> wrote: > >>> > >>> Are not South Korea are building one? new eLoran chain? Are they > >>> transmitting? But don’t underestimate the distances from south east > Asia > >> to > >>> the far side of Australia. > >>> > >>> /Björn > >>> > >>> Sent from my iPhone > >>> > >>>> On 7 Aug 2020, at 10:24, Poul-Henning Kamp <[email protected]> > wrote: > >>>> > >>>> -------- > >>>> Hugh Blemings writes: > >>>> > >>>>> Been following this thread with the usual mixture of joy, awe and > >>> wonder > >>>>> (truly!) - fantastic stuff :) > >>>>> > >>>>> My read of the situation is that there is next to no chance of > >>> receiving > >>>>> any meaningful signal at the VLF frequencies in question down here in > >>>>> Melbourne - a great circle path of some 10,000 mi / 16000 km ? > >>>> > >>>> You might be able to pick out the Chinese Loran chains, I believe > >>> they're still up. > >>>> > >>>> (Use sdr.dh web-sdr's to find out ?) > >>>> > >>>> -- > >>>> Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > >>>> [email protected] | TCP/IP since RFC 956 > >>>> FreeBSD committer | BSD since 4.3-tahoe > >>>> Never attribute to malice what can adequately be explained by > >>> incompetence. > >>>> > >>>> _______________________________________________ > >>>> 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.
