:Product: 20040428SGAS.txt :Issued: 2004 Apr 28 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 119 Issued at 0245Z on 28 Apr 2004 This report is compiled from data received at SWO on 27 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0708 0723 0737 0599 C3.1 120 II 0909 0915 0920 120 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field has been quiet. D. Stratwarm: None. E. Daily Indices: (real-time preliminary/estimated values) 10 cm 095 SSN 028 Afr/Ap 004/005 X-ray Background A7.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.2e+05 GT 10 MeV 1.3e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W97 degrees) Daily Electron Fluence GT 2 MeV 1.00e+07 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 2 1 1 2 2 2 1 Planetary 1 1 1 1 2 2 2 2 F. Comments: None.