The picture is not of a Predator, it's a Global Hawk, a much larger aircraft.
Didier KO4BB On Jun 28, 2012 11:47 AM, "Brooke Clarke" <[email protected]> wrote: > Hi Dave: > > The article shows a photo of a Predator, yet what the UoT guys did was > hack a toy helicopter that used only the L1 civilian GPS signal. > My guess is that they used a home made 3rd generation GPS simulator with a > moderate power amp and antenna. > http://www.prc68.com/I/5001A.**html <http://www.prc68.com/I/5001A.html><- > first generation single satellite single signal > http://www.prc68.com/I/**NTgpsSTR2760.shtml<http://www.prc68.com/I/NTgpsSTR2760.shtml><- > second generation multi satellite and multi signal > > Note that all GPS satellites transmit on the same frequency and so in a > sense interfere with each other. > But because of the orthogonally of the codes the receiver can process each > signal. > When a higher power signal is received the "capture" effect eliminates the > weaker signals so a high power signal can easily "capture" the receiver. > > Have Fun, > > Brooke Clarke > http://www.PRC68.com > http://www.**end2partygovernment.com/**2012Issues.html<http://www.end2partygovernment.com/2012Issues.html> > > DaveH wrote: > >> http://rt.com/usa/news/texas-**1000-us-government-906/<http://rt.com/usa/news/texas-1000-us-government-906/> >> Dave >> ______________________________**_________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/** >> mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts> >> and follow the instructions there. >> >> >> > > > ______________________________**_________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/** > mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts> > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
