:Product: 20050428SGAS.txt :Issued: 2005 Apr 28 0250 UT # 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 118 Issued at 0245Z on 28 Apr 2005 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 None B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at quiet levels today. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 095 SSN 045 Afr/Ap 002/004 X-ray Background B1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.6e+05 GT 10 MeV 1.5e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W113 degrees) Daily Electron Fluence GT 2 MeV 4.50e+07 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 0 1 1 2 1 0 Planetary 1 0 0 1 2 2 2 1 F. Comments: None