:Product: 20030617GEOA.txt :Issued: 2003 Jun 17 0330 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Environment Center and the U.S. Air Force. # Geoalert WWA168 UGEOA 20401 30617 0330/ 9935/ 12171 21171 30171 99999 UGEOE 20401 30617 0330/ 16/01 11522 1200/ 12042 21700 0//// 0//// 28312 90386 99999 UGEOI 20401 30617 0330/ 16/// 10091 21230 30380 49980 50200 63607 71704 80105 90460 99999 UGEOR 20401 30617 0330/ 16/24 17105 10380 20000 30200 44323 50160 60016 35116 04100 10381 20000 30000 47101 50040 60001 37518 01000 10383 20000 30000 41001 50000 60001 44019 00000 10385 20000 30000 44312 50070 60010 11729 02000 10386 20200 30200 44312 50190 60013 27107 16422 99999 PLAIN On 16 June, it was determined that a scaling problem exists with the H-trace on the Boulder magnetometer instrument. While this problem, and its fix are being investigated the primary instrument for Boulder K-indices has been switched to the Boulder USGS (via Domsat) magnetometer, effective 1500 UTC on 16 June.