Sun spots and solar flares?

[Guest Miken927]

Just curious... aparently there's been a lot of solar activity lately (including the largest solar flare ever recorded). Did this/does this effect the GPS sats?

[Guest JuDe]

0850 UT

Comment: current flux vlaue is 11.3 pfu

 

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[Guest W0W]

Miken927,if u understand this,I hope u will enlightened us with your comments.Can't wait for your responces HoHeHoHaHaHaHeHeHe!@#$%^&*.

[Guest johns]

From: "John Bonde"

Subject: Recent atmospheric disturbances and GPS accuracy

Date: Thursday, April 12, 2001 7:58 PM

 

The recent atmospheric disturbances have affected the accuracy of

GPS - at least in my area. I collected 24 hours of data from a Garmin

12XL between 03 UTC on April 11 and 03 UTC on April 12. The

horizontal accuracy during this time was 3.2 meters (50%) and

14.4 meters (95%). The longterm 95% value is 6.3 meters. Using the

Planetary K index from NOAA's site

 

http://www.sec.noaa.gov/ftpdir/plots/kp/20010412_kp.gif

 

as an approximate indication of the disturbance event I split the

data into two groups. The first was from 03 to 17 UTC and the second

from 17 to 03 (on April 12). The horizontal error stats, in meters,

are shown below.

 

Group 1 Group 2 All Data

50% 2.7 8.7 3.2

95% 5.4 19.3 14.4

Max 9.6 30.5 30.5

N 39251 28292 67543

 

Data from the local CORS station showed the same effect.