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

[David J Taylor]

"unruh" <unruh at invalid.ca> wrote in message 
news:viy1r.9526$1I2.3602 at newsfe08.iad...
> On 2012-02-23, jimp at specsol.spam.sux.com <jimp at specsol.spam.sux.com> 
> wrote:
>> Richard B. Gilbert <rgilbert88 at comcast.net> wrote:
[]
>> There are very few civilian systems where absolute time accuracy 
>> greater
>> than 1 second is an operational requirement and none that I can think 
>> of
>> where sub-microsecond absolute time accuracy is an operational 
>> requirement.
>
> Long baseline radio astronomy? Timing neutrinos between Cern and Grand
> Sasso? ...
> Both are civilian, and both absolutely require nano second accuracy.

.. but both are "research" and not "operational".  On the other hand, GPS 
is both operational and sub-microsecond.

Cheers,
David