GPS - Re: Airline navigation threatened by plasma plumes - New Scientist

Author

Re: Airline navigation threatened by plasma plumes - New Scientist - yes on GPS topic

Ted

2008-01-26, 10:33 pm

Also check out the south Atlantic anomaly:

http://en.wikipedia.org/wiki/ South..._Anoma
ly

http://www.ll.mit.edu/ST/sbv/saa.html

http://www.astronomycafe.net/qadir/q525.html

"Sam Wormley" <swormley1@mchsi.com> wrote in message
news:5E5%i.185485$Xa3.142260@attbi_s22...
> nickw7coc@gmail.com wrote:
>
>
>
> Strange Space Weather over Africa
> http://science.nasa.gov/headlines/y...a.htm?list89139
>
> Nov. 13, 2007: Something strange is happening in the atmosphere above
> Africa and researchers have converged on Addis Ababa, Ethiopia, to
> discuss the phenomenon. The Africa Space Weather Workshop kicked off
> Nov. 12th with nearly 100 scientists and students in attendance.
>
> "The strange phenomenon that brings all these people together is the
> ion plume, a newly discovered form of space weather," says University
> of Colorado atmospheric scientist and Workshop co-organizer Tim
> Fuller-Rowell.
>
> Researchers liken the plumes to smoke billowing out of a factory
> smokestack'except instead of ordinary ash and dust, ion plumes are
> made of electrified gas floating so high above ground they come in
> contact with space itself. "The plumes appear during geomagnetic
> storms and they can interfere with satellite transmissions, airline
> navigation and radio communications," says Fuller-Rowell. Indeed, it
> is their effect on GPS signals that led to the discovery of plumes
> over North America just a few years ago.
>
> See: http://science.nasa.gov/headlines/y...a.htm?list89139

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