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Author Topic: Qrz.com Feed-NVIS Thoughts  (Read 24 times)

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January 11, 2018, 01:59:33 PM
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NVIS Thoughts

I have been watching the critical frequency charts for a while now, thinking about how best to attempt high-angle contacts now that the sun is running QRP... here's a chart from a few minutes ago, from the Austin station:





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What I notice is that during the daytime, the critical frequency tends to hover not far above 80m.  Since we are in a solar low, I'm assuming that's because daytime ionization is just less intense than it is during a peak....



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