12 Nov 2025 HF band reaction

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Dave Typinski

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Nov 12, 2025, 7:47:37 PM (3 days ago) Nov 12
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We observed what looks like the onset of daytime HF band terrestrial propagation around 0500 UTC during the peak of the geomagnetic upset.

Later in the day, however, daytime HF band propagation was depressed from 1100 until about 1900 UTC when terrestrial propagation returned to its normal daytime state.
--
Dave




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