[time-nuts] GPS Spoofing
scmcgrath at gmail.com
Sun Jul 28 13:09:14 EDT 2013
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 <lists at rtty.us> wrote:
> …. 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.
> On Jul 28, 2013, at 11:55 AM, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
>> In message <CABbxVHsQJBbtpC0Wcx3K3E3i2xrk797DOyHxnMB8BfLuk5B+xQ at 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
>> Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
>> phk at FreeBSD.ORG | TCP/IP since RFC 956
>> FreeBSD committer | BSD since 4.3-tahoe
>> Never attribute to malice what can adequately be explained by incompetence.
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