:Product: 0317SGAS.txt :Issued: 2026 Mar 17 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 076 Issued at 0245Z on 17 Mar 2026 This report is compiled from data received at SWO on 16 Mar A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0834 0834 0834 170 1200 1215 1224 4392 M2.7 120 380 II/IV 1235 1235 1235 160 1240 1240 1240 100 1526 1526 1534 160 1537 1537 1537 100 1545 1546 1546 220 1550 1550 1552 140 1716 1716 1716 100 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 111 SSN 066 Afr/Ap 010/010 X-ray Background B3.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 7.40e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 3 2 2 3 2 1 1 Planetary 3 3 2 2 3 2 2 1 F. Comments: None.