I think it is like GPS, the signal from the plane has encoded in it the time it was sent and the satellite knows when it arrived at the sat. Using a formula to compensate for our atmosphere and using the speed of light it knows the distance travelled.
Rick Sent from Rick's iPhone 5 "Great spirits have always encountered violent opposition from mediocre minds" - Albert Einstein > On Mar 16, 2014, at 4:49 PM, "Anthony Japha" <[email protected]> wrote: > > Thanks Rick, > How do those sats determine distance to the source? > Tony, N2UN > > --- > This email is free from viruses and malware because avast! Antivirus > protection is active. > http://www.avast.com > _______________________________________________ > Sent via [email protected]. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
