GLOBAL ERUPTION: During the early hours of August 1st, NASA's Solar Dynamics Observatory recorded a complex global disturbance on the Earth-facing side of the sun. Most of the sun's northern hemisphere was involved in the event, which included a long-duration C3-class solar flare, a "solar tsunami," and a massive filament eruption. As a result of these blasts, a coronal mass ejection (CME) is heading toward Earth. High-latitude geomagnetic storms and auroras are possible when the cloud arrives a few days hence. Check http://spaceweather.com for movies and updates.
Utility Planet is the official blog for the column of the same name in The Spectrum Monitor. It replaces Utility World in the discontinued Monitoring Times magazine. Utilities are all VLF/LF/MF/HF (and sometimes low-band VHF) radio communications except broadcasting, CB, and non-emergency amateur. If you understood the last sentence, you know enough to read this blog.