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20020417SGAS.txt
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:Product: 20020417SGAS.txt
:Issued: 2002 Apr 17 0245 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Environment Center and the U.S. Air Force.
#
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 107 Issued at 0245Z on 17 Apr 2002
This report is compiled from data received at SWO on 16 Apr
A. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep
0108 0108 0108 230
0126 0126 0126 160
0801 0801 0801 190
1008 1009 1009 150
1037 1044 1054 9904 S14W77 C9.3 Sf 29 17 II
1253 1319 1330 9893 N23W88 M2.5 Sf 32 21
1441 0000 1455 II
B. Proton Events: None
C. Geomagnetic Activity Summary: The geomagnetic field was quiet to
unsettled.
D. Stratwarm: None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 196 SSN 172 Afr/Ap 006/010 X-ray Background C1.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.2e+05 GT 10 MeV 1.2e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.60e+05 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 2 3 1 2 2 2 2 Planetary 2 3 3 1 2 3 3 2
F. Comments: The 16 April Afre index reported in Part E is
estimated from Boulder observations.