I personally have been particularly frustrated by the recent solar minimum. I can only remember one day in the past few months when the sun spot number has exceeded 20. Bleah.
Sunspots are largely responsible for ionizing the D and F layers of the ionosphere, which are in turn responsible for world-wide propagation of high-frequency radio waves.
It's a lot easier to talk to far-away places like Germany or Japan (or even Utah) on my ham radio gear if the ionosphere bounces my signals back to earth.
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It's a lot easier to talk to far-away places like Germany or Japan (or even Utah) on my ham radio gear if the ionosphere bounces my signals back to earth.
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These pictures (and yes, I am reading captions as I can this morning!) just made my brain stop and indulge for two minutes.
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