Key is GPS is EASY to deny for wide areas for both Civillian and military users
Loran much less so and eLoran even less due to information carried by signal. And the larger the area attacked the jammer becomes easier to find due to signal strength There is no doubt that both systems can be spoofed by a sophisticated attacker. It's just that GPS can be nullified by jammers which are available at most truck and spy shops for under 200 bucks. Legality notwithstanding Sent from my iPhone On Jul 28, 2013, at 12:28 PM, Bob Camp <[email protected]> wrote: > Hi > > …. and if a pulse comes up *looking* like the slave …. > > Loran-C wanders around enough all by it's self, with no need for help from > others. Bumping it a bit this way or that is not an impossibility. A little > bit of added phase this way or that is all it would take. You would have to > get the rep rate and timing right, but that's just the sort of thing a Time > Nut knows how to do on the cheap. > > Bob > > On Jul 28, 2013, at 11:55 AM, Poul-Henning Kamp <[email protected]> wrote: > >> In message >> <cabbxvhsqjbbtpc0wcx3k3e3i2xrk797doyhxnmb8bfluk5b...@mail.gmail.com> >> , Chris Albertson writes: >>> I think the GPS backups are called, >> >> None of those are usable as backups for GPS, as they use the same >> low-power Microwave signals as GPS. >> >>> But ALL radio navigation systems can be spoofed. The ones you can't spoof >>> are >> >> Loran-C. >> >> -- >> Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 >> [email protected] | TCP/IP since RFC 956 >> FreeBSD committer | BSD since 4.3-tahoe >> Never attribute to malice what can adequately be explained by incompetence. >> _______________________________________________ >> 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. > > _______________________________________________ > 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. _______________________________________________ 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.
