:Product: 0426SGAS.txt :Issued: 2026 Apr 26 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 116 Issued at 0245Z on 26 Apr 2026 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 0314 0314 0316 140 0356 0356 0356 190 0405 0405 0405 110 0442 0442 0442 120 0522 0526 0527 430 0534 0534 0534 200 0536 0538 0538 160 0600 0600 0600 120 0754 0754 0754 120 0756 0759 0803 4423 S05E27 M1.3 Sf 1021 1021 1021 130 1101 1101 1101 280 1143 1143 1143 100 1422 1430 1432 4425 N07E73 M1.1 Sf 480 1626 1626 1626 160 1632 1632 1632 200 1712 1712 1712 130 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 148 SSN 154 Afr/Ap 007/009 X-ray Background B9.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.7e+05 GT 10 MeV 2.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.50e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices: Boulder 3 0 1 1 2 2 3 3 Planetary 3 1 1 1 1 2 3 3 F. Comments: None.