HFU HF Underground
Technical Topics => Propagation => Topic started by: Under30 on April 23, 2021, 0003 UTC
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I was using my H-alpha telescope to view the Sun today, saw a fair amount of activity including a beautiful prom.
I came inside and read this from Solarchat:
https://solarchatforum.com/viewtopic.php?t=31521
It apparently blacked out some SW frequencies.