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    Re: More on GPS vulnerabilities
    From: Frank Reed
    Date: 2011 Dec 16, 18:21 -0800

    Yeah, I'm not buying it. The alternative theory that the drone had some unknown malfunction and went into a flat spin (which apparently it is designed to do) sufficiently explains the available evidence.

    The source could simply be telling a tall tale, or more likely it's disinformation really intended for internal consumption in Iran which is experiencing a degree of paranoia following a number of mysterious attacks on military infrastructure. Claiming that they have this capability could go a long way towards alleviating that paranoia.

    GPS spoofing is possible, of course. Military systems are supposedly designed to take this possibility into account. But the real argument against GPS spoofing is the ubiquity of GPS and, yes, even in places like Iran. Dubai International, one of the world's busiest airports, is just a hundred miles from Iran. Even with sanctions in place, there are numerous commercial aviation flights in and out of Iran. Spurious GPS signals in the region would surely be widely known. Further, if they really had this capability, they could clear the skies of all US drones. If they do it again, and this time have video of a US drone coming down for a landing at an Iranian air base, then I'll believe it.

    -FER


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