Maybe this one is equivalent? <http://freqelec.com/gps_gnss/waas_for_telecom_2-07.pdf> On Fri, Aug 31, 2018 at 4:55 PM Attila Kinali <[email protected]> wrote: > > On Thu, 30 Aug 2018 18:54:17 -0700 > Brooke Clarke <[email protected]> wrote: > > > I wonder if anyone has tried using a small parabolic dish, like used for > > Free To Air satellite TV and aimed it at a GPS > > satellite track or at a WAAS geostationary satellite using a feed antenna > > with reverse polarization from a normal GPS > > antenna? > > I have somewhere a paper (which i cannot find currently, sorry) that > used a dish trained at one of the EGNOS satellites and used it as the > only source for timing. IIRC the results were promising, but not > spectacular. The problem being that all the ionospheric and tropospheric > effects limited the performance, which also could not be averaged > over several satellites. Hence most people today focus on whole > constelation systems and try to get the best out of that, even under > multipath and jamming. > > Attila Kinali > > -- > It is upon moral qualities that a society is ultimately founded. All > the prosperity and technological sophistication in the world is of no > use without that foundation. > -- Miss Matheson, The Diamond Age, Neal Stephenson > > _______________________________________________ > 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.
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