Multipath propagation issues? http://en.wikipedia.org/wiki/Multipath_propagation
We can certainly throw computational power against that wall but I think that this would be an issue for TV stations. AM should be better DaveH > -----Original Message----- > From: time-nuts-boun...@febo.com > [mailto:time-nuts-boun...@febo.com] On Behalf Of Chris Albertson > Sent: Monday, March 05, 2012 9:27 AM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] Loran in the US > > The best and by far lowest cost solution is to pay TV stations and > maybe AM broadcast stations to add a timing pulse a few times per > second. No transmitters to build. The receivers would be more > complete but that is OK in 2012. In the "old days" it was to > expensive to put a complex computer inside a radio but now that is > routine. So I can imagine a receivers that can listen to 20 or 30 > broadcast stations, look of the latitude and longitude of each one and > compute a best fit to the delays. Actually that is how GPS works but > only in L1 > > Traditionally the main problem with using comercail radios for > navigation has been then they don't issue a station ID frequenty > enough so you have to listen for a long time to know what station > you've tuned. But radio with a computer inside would know the > station by it's frequency and the approx. location of the receiver. > > > On Sun, Mar 4, 2012 at 1:02 PM, Charles P. Steinmetz > <charles_steinm...@lavabit.com> wrote: > > Antonio wrote: > > > >> Now, that the Loran C ressurection seems to be probable > > > > > > I suspect that it is not yet anywhere near probable -- more > likely there is > > now some remote possibility of a ressurection if many difficult > > preconditions (including Congressional action) are all met. > > > > Best regards, > > > > Charles > > > > > > > > > > > > > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > > > -- > > Chris Albertson > Redondo Beach, California > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
