:Product: 20040221SGAS.txt :Issued: 2004 Feb 21 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 052 Issued at 0245Z on 21 Feb 2004 This report is compiled from data received at SWO on 20 Feb 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 to unsettled levels. D. Stratwarm: None E. Daily Indices: (real-time preliminary/estimated values) 10 cm 095 SSN 034 Afr/Ap 006/004 X-ray Background A8.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.3e+05 GT 10 MeV 1.4e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W100 degrees) Daily Electron Fluence GT 2 MeV 6.10e+08 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 1 1 1 2 3 2 2 Planetary 1 1 1 1 2 1 2 1 F. Comments: None