:Product: 20041229SGAS.txt :Issued: 2004 Dec 29 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 364 Issued at 0245Z on 29 Dec 2004 This report is compiled from data received at SWO on 28 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0004 0010 0012 0713 S11W83 C7.2 1f 540 0450 0450 0450 570 0911 0918 0925 0713 S12W75 C3.5 Sf 220 0931 0932 0934 0713 S11W77 Sf 260 1228 1235 1240 0713 C4.3 440 1257 1258 1259 570 1741 1801 1828 0715 N05E77 C7.2 Sf 170 160 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at predominantly quiet to unsettled levels. An isolated active period was observed between 28/1800 and 2100Z. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 105 SSN 027 Afr/Ap 015/016 X-ray Background B2.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 9.2e+05 GT 10 MeV 1.4e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W106 degrees) Daily Electron Fluence GT 2 MeV 6.60e+06 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 2 2 3 2 3 4 4 Planetary 3 2 2 3 2 3 4 4 F. Comments: None