[ntp:questions] GPS Jammers in Use by Criminals - Warping Time for Fraud Suggested

Rick Jones rick.jones2 at hp.com
Thu Feb 23 22:47:51 UTC 2012


Richard B. Gilbert <rgilbert88 at comcast.net> wrote:
> On 2/22/2012 5:16 PM, David Woolley wrote:
> > An article in the Metro, the free morning paper on the London commuter
> > transport network, suggests that criminals may be using GPS jamming
> > equipment to warp the time on financial systems to allow the commission
> > of fraud.
> >
> GPS is not the only source of time!

> In the U.S. 60 cycle Alternating Current is the standard and the
> source of time.  It's not going to give you the nanoseconds but very
> few people could even explain what a nanosecond is let alone needing
> nanosecond resolution.

Wasn't there something about an experiment to relax the frequency
requirements on the power grid in North America?  And the financial
services types may not be at the nanosecond level, but they (think
they) are at the microsecond level.

rick jones
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