:Product: Geomagnetic Data AK.txt :Issued: 2133 UTC 29 Jul 2021 # # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # Please send comments and suggestions to SWPC.Webmaster@noaa.gov # Updated every hour beginning at 0029 UTC. # Values shown as reported, SWPC does not verify accuracy. # Missing Data: -1 # # Geomagnetic A and K indices from the U.S. Geological Survey Stations # # Geomagnetic # Dipole A ------------- 3 Hourly K Indices -------------- # Station Lat Long Index 00-03 03-06 06-09 09-12 12-15 15-18 18-21 21-24 #------------------------------------------------------------------------------- 2021 Jul 28 Boulder N49 W 42 13 3 3 2 2 3 4 2 2 Chambon-la-foret N-- E--- 21 4 3 2 2 2 3 4 1 College N65 W102 13 3 3 4 2 2 3 2 2 Fredericksburg N38 W 78 13 3 3 2 3 3 3 3 1 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 13 4 3 3 3 2 3 3 2 Wingst N54 E 95 18 4 3 3 3 3 4 4 1 2021 Jul 29 Boulder N49 W 42 -1 2 3 3 3 2 2 2 -1 Chambon-la-foret N-- E--- -1 2 3 -1 -1 -1 -1 -1 -1 College N65 W102 -1 -1 -1 -1 -1 -1 -1 -1 -1 Fredericksburg N38 W 78 -1 2 3 3 3 3 2 2 -1 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 8 2 3 2 2 2 1 1 -1 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1