:Product: 1208SGAS.txt :Issued: 2025 Dec 08 0245 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 342 Issued at 0245Z on 08 Dec 2025 This report is compiled from data received at SWO on 07 Dec A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0109 0109 0109 110 0142 0142 0142 110 0150 0150 0150 420 0212 0212 0212 140 0755 0756 0756 790 0931 0938 0945 4296 C2.8 1100 1039 1039 1039 150 1151 1204 1208 4294 C7.5 320 1616 1616 1616 220 1629 1629 1629 490 1708 1708 1708 110 1719 1719 1719 160 1722 1731 1735 4294 S20W22 C4.9 Sf 440 1947 1947 1948 7000 2232 2236 2239 4294 S21W24 C3.1 Sn 290 2240 2248 2252 4298 S16W50 C6.7 Sf 10000 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to active. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 194 SSN 133 Afr/Ap 005/008 X-ray Background C1.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 9.3e+06 GT 10 MeV 4.4e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.30e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 4 2 2 2 2 1 1 Planetary 3 4 3 2 2 0 0 ? F. Comments: None.