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Posted by Alan Browne on May 13, 2010, 7:57 pm


On 10-05-13 19:55 , Ed M. wrote:

> In an early scene from this, um, documentary, some folks from Niagara
> Falls NY are on the other side of the border at a hockey game.
> http://www.imdb.com/title/tt0109370/

I've never seen that movie. Looks like a gas.

--
gmail originated posts are filtered due to spam.

Posted by Wolfgang S. Rupprecht on May 13, 2010, 5:02 pm



> On 5/13/10 2:33 PM, Alan Browne wrote:
>> On 10-05-13 9:41 , Nicholas wrote:
>>> This entire topic sounds stinky to me. I don't like the idea of
>>> giving anyone information on how to build a gps signal jammer, and
>>> then hand it to them in a format that can be distributed all over the
>>> planet as an email attachment.
>>> Loose lips sink ships.
>> Any engineering book on GPS will make it abundantly clear how to build a
>> GPS jammer. For that matter, the Wiki article will tell an engineer all
>> that he needs to know!
>> The GPS signal is always jammed in the noise - the P/Y code more than
>> the C/A. Correlation pulls the signal out. Figuring out how to swamp
>> that is not a huge challenge for a competent RF engineer or even a good
>> RF technician.
> And there is the side benefit of some jail time! :-o

I highly doubt that America's adversaries are going to jail any of their
citizens that builds them a GPS jammer. ;-)

I'm a firm believer in testing things like you use them. The problem
with anything that is too reliable is that people forget how to live
without it. Nobody practices the fall-back methods enough if they
aren't forced to. I don't think a bit of jamming here or there is
necessarily a bad thing. It forces people (or equipment) to retain
whatever skills they had before the new-fangled method came into
existence. If nothing else, that will make for a good sanity check.

Besides, if the last Gulf war was any indication, the US seems really
good at finding and dropping bombs in GPS jammers. It is probably not a
good idea to hide a GPS jammer in your secret terrorist hideout and
expect it to increase your security.

-wolfgang

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