Hi The big(er) deal with some systems is that they offer encrypted services. If you happen to have access to the crypto version, that’s going to help you. As long as you are using “public” (and thus fully documented) modes … not a lot of difference. The same info that lets anybody design a receiver lets people design a spoofing system.
Bob > On Aug 14, 2017, at 11:54 AM, John Hawkinson <jh...@mit.edu> wrote: > > So, what I wonder: to what extent (if any) are GPS, GLONASS, and Galileo > sufficiently different that it is challenging to spoof all three in the same > way? Is there any reason why it is more than 3 times the work to spoof all 3? > > Is there something clever receivers can do, with awareness of all three > services, that makes them harder to spoof (beyond checking the services > against each other)? > > --jh...@mit.edu > John Hawkinson > _______________________________________________ > 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.