:Product: 0426SGAS.txt :Issued: 2009 Apr 26 0246 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar and Geophysical Activity Summary SGAS Number 116 Issued at 0245Z on 26 Apr 2009 This report is compiled from data received at SWO on 25 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None B. Proton Events: None C. Geomagnetic Activity Summary: Geomagnetic field activity was at quiet levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 069 SSN 000 Afr/Ap 002/004 X-ray Background LT A1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.9e+05 GT 10 MeV 2.0e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 3.70e+05 e/(cm2-ster-day) (GOES-11 satellite synchronous orbit W135 degrees) 3 Hour K-indices: Boulder 0 1 0 1 1 2 1 1 Planetary 1 1 0 1 1 2 1 2 F. Comments: None