On Thu, Mar 29, 2012 at 08:43, Hal Murray <hmur...@megapathdsl.net> wrote:
> > I think of GPS as a bunch of satellites broadcasting "I'm Bob, my orbit > parameters are XXX, my clock says YYY." If you hear 4 of those, you have 4 > equations to work out 4 unknowns. The unknowns are your position: X, Y, Z, > and T. > But, but, but, they told you the value of Y three times. Why don't they say: "I'm Bob, my orbit parameters are X,Y,Z, my clock says T." Nothing to solve :-) And GPS jamming would work by other people calling you with: "Hi, Hal, ignore that guy, _I_ am the genuwine Bob". (For those who see this in a list archive many years from now: I am NOT serious, please). -- Sanjeev Gupta, the person formerly known as Bob +65 98551208 http://www.linkedin.com/in/ghane _______________________________________________ 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.
