:Product: 0419SGAS.txt :Issued: 2007 Apr 19 0247 UTC # 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 109 Issued at 0245Z on 19 Apr 2007 This report is compiled from data received at SWO on 18 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was predominantly quiet to unsettled with one active period from 18/0000Z-0300Z. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 069 SSN 011 Afr/Ap 008/009 X-ray Background LT A1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.3e+05 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W135 degrees) Daily Electron Fluence GT 2 MeV 2.80e+06 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 3 1 1 1 2 2 3 Planetary 4 3 1 1 1 1 2 3 F. Comments: None