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Old 12-14-2012
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Re: Gps navigation advise

Post Disclaimer: By posting the link below I am no way saying everyone should panic, run around in circles like their hair is on fire, scream like Chicken Little, go buy the next sextant they see and learn celestial nav., brow beat those that advocate paper is a necessary back up or those that say GPS is all you need. This is squarely informational for you to use as such.

How to bring down mission-critical GPS networks with $2,500 | Ars Technica
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