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Submitted on 2003-12-15
The goal is to assess in near real-time and to forecast the influence of Space Weather and ionospheric conditions on the precision of GPS applications.
People try to determine their position already since millennia. In historic times, the stars were used as guides. Now we have another tool, namely GPS: Global Positioning System. Both systems have one common fact: both are space-borne in the sense that stars live there and GPS has man-made stars: satellites flying around over there.
Submitted on 2003-11-20
On November 20, polar light was visible, even at low latitudes!
Submitted on 2003-11-14
Since November 11, 4 beautiful halo coronal mass ejections (CMEs) were seen in SOHO/LASCO C3 imagery. Two of them were directed directly to the Earth. The other two were backsided and will therefore have no effect on us.
In the LASCO C3 movie above, four major CMEs can be identified:
Submitted on 2003-11-12
Catania sunspot group 065 (NOAA 10484) will today re-appear at the East limb. This group generated 2 X-class flares and more than 10 M-class flares during its previous rotation. Stay tuned for updates!
Submitted on 2003-10-29
The SIDC sent an alert message on October 28 at 12:10 UT:
Submitted on 2003-10-23
This time it is not Catania sunspot group 065, but sunspot group 070 (NOAA 10486) that is responsible for all the trouble. This group rotated over the east limb on October 23.
Submitted on 2003-10-20
The SIDC has sent an alert message on October 19 at 18:07 UTC:
An X1.2 flare took place a few minutes ago (Start: 16:27 , Peak: 16:50 , End: 17:20UTC) in active region Catania 065 - NOAA 10484 (position N06E61). This event will affect radio propagation and may be followed by other M-class flares, and maybe another X-class flare in the next few hours and days.
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