[time-nuts] Article in Metro (free London newspaper) about jamming GPS

Jim Lux jimlux at earthlink.net
Thu Feb 23 03:57:23 UTC 2012


On 2/22/12 4:38 PM, Dr. David Kirkby wrote:
> On the train this morning I picked up a copy of the Metro (there are
> usually numerous copies on any train, as its free and does not take long
> to read).
>
> There was an article about financial institutions being concerned about
> the time of their clocks being purposely altered by GPS manipulation so
> someone can gain a trading advantage. I guess if you can make London a
> bit slow, then you can determine if stocks have risen/fallen on other
> markets and chose to buy or sell based on that fact. I guess you would
> need a few seconds if the decisions were made by humans, but perhaps
> microseconds would be enough if the decisions were made by computer.
>
> I can't seem to find a copy of the article online.
>
> Funny thing is there was a fictional TV program a week or so ago where
> criminals claimed to be delaying supposedly real-time data to gain an
> advantage. But in fact they were not in the plot - they just told other
> criminals this story.
>

"The Sting"  Robert Redford and Paul Newman... a fine example of how a 
bit of time alteration/data delay can work.



>




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