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via Hackaday: Enhanced Definition TV: “A Poor Man’s High-Def”
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With sunspot numbers and solar flux at times both above 300, recent daily space weather has been exciting for radio amateurs who watch the sun. We like higher activity because it correlates with a dense ionosphere, bringing with it better conditions on higher frequencies.
This extreme activity also comes with greater geomagnetic disturbance, which cause higher absorption of HF signals.
For exa…
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American Radio Relay League | Ham Radio Association and Resources – Read More
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