:Product: 1229SGAS.txt :Issued: 2025 Dec 29 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 363 Issued at 0245Z on 29 Dec 2025 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 2103 2113 2123 4325 S07E47 M1.3 Sf 2201 2239 2254 4317 N08W31 M4.2 1f 130 300 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet and unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 188 SSN 143 Afr/Ap 007/009 X-ray Background C1.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.3e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 2.90e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 1 1 3 2 2 2 2 Planetary 3 1 1 2 2 3 2 2 F. Comments: None.