I wonder if those who understand the full physics of ionospheric phenomena and their relationship to radio frequency propagation – which I do not – have considered the coincidence of apparently unusual 6 meter openings with a phenomenon called STEVE – Strong Thermal Emission Velocity Enhancement. It is apparently a new and not well understood phenomenon. I have not been able to find enough information to correlate STEVE’s appearances with the unusual openings. That some of sporadic E is auroral is at least suggestive. In any case, STEVE has become an ionospheric celebrity on the Internet of late . . . Interesting.
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