:Product: 0621SGAS.txt :Issued: 2006 Jun 21 0248 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 172 Issued at 0245Z on 21 Jun 2006 This report is compiled from data received at SWO on 20 Jun 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 quiet. D. Stratwarm: Not available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 073 SSN 020 Afr/Ap 004/004 X-ray Background LT A1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.4e+06 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-11 satellite synchronous orbit W128 degrees) Daily Electron Fluence GT 2 MeV 1.10e+08 e/(cm2-ster-day) (GOES-12 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 1 1 1 2 1 1 1 Planetary 2 1 0 0 1 1 2 2 F. Comments: At 1400UT, June 22, the SEC secondary GOES satellite for magnetometer, X-ray, and electron measurements will change from GOES 10 to GOES 11. GOES 12 will continue as the primary SEC GOES satellite. For energetic proton measurements there is no change; GOES 11 will remain the primary SEC GOES satellite and GOES 10 will remain the secondary. This change is necessary because NOAA will be activating GOES 11 as the operational satellite stationed at 135 degrees West geographic longitude in geosynchronous orbit, replacing the aging GOES 10. For additional information see: http://www.sec.noaa.goc/Data/goes.html.