In last week’s Solar Update, we reported a blast of energy from a solar flare headed our way, predicted to arrive on Saturday, July 14. The CME hit at 1800 UTC, and it had a huge effect on propagation and geomagnetic indices. The next day, the planetary A index was 60, the mid latitude A index was 39 and the high latitude college A index was 88. Conditions haven’t been that upset since March 9,…
American Radio Relay League | Ham Radio Association and Resources
Leave a Reply
Want to join the discussion?Feel free to contribute!