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Posted by Sam Wormley on June 11, 2008, 9:08 pm


Methods to Predict GPS Atmospheric Disruption Coming?
http://sc.gpsworld.com/gpssc/content/printContentPopup.jsp?id=523199

Jun 11, 2008
GPS World

New research and monitoring systems are clarifying what happens to disruptive
clouds of electrons and ions in the ionosphere, and this work may lead to
regional predictions of reduced GPS reliability and accuracy, the American
Geophysical Union (AGU) says.

The AGU is an international organization of Earth and space scientists. It has
more than 50,000 members in 137 countries, and publishes Space Weather online
and 18 other scientific journals.

One team of researchers has recently observed Earth's aurora, a prominent
manifestation of ionospheric electrical activity, in the act of disrupting GPS
equipment. Other scientists have successfully tested a way to forecast GPS
disturbances for marine users, with likely extension to users on land, according
to the AGU.

Some research groups, in a rather ironic twist, happen to be using GPS receivers
as tools with which to conduct basic research on the electrical-current
structures of the ionosphere, the scientific group noted. The scientific reports
on these and other recent developments are available in a special section of
Space Weather: The International Journal of Research and Applications.

Space Weather is an online journal devoted to studies of the electrical
interactions between the Earth and various emissions from the Sun, including
electrically charged particles (the solar wind), solar radio noise, and solar
X-rays, according to the AGU.

Posted by Jon on June 12, 2008, 1:17 pm


> Methods to Predict GPS Atmospheric Disruption Coming?
> http://sc.gpsworld.com/gpssc/content/printContentPopup.jsp?id=523199
> Jun 11, 2008
> GPS World
> New research and monitoring systems are clarifying what happens to disruptive
> clouds of electrons and ions in the ionosphere, and this work may lead to
> regional predictions of reduced GPS reliability and accuracy, the American
> Geophysical Union (AGU) says.
[...]

Thanks for the linkage, Sam. Good read.

Anthea knows her stuff :)

Regards,
Jon


Posted by Sam Wormley on June 12, 2008, 1:23 pm


Jon wrote:
>> Methods to Predict GPS Atmospheric Disruption Coming?
>> http://sc.gpsworld.com/gpssc/content/printContentPopup.jsp?id=523199
>> Jun 11, 2008
>> GPS World
>> New research and monitoring systems are clarifying what happens to disruptive
>> clouds of electrons and ions in the ionosphere, and this work may lead to
>> regional predictions of reduced GPS reliability and accuracy, the American
>> Geophysical Union (AGU) says.
> [...]
>
> Thanks for the linkage, Sam. Good read.
>
> Anthea knows her stuff :)
>
> Regards,
> Jon
>


Thanks Jon.