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
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Never attribute to malice what can adequately be explained by incompetence.
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