Topband: Band Open - But No Sunrise Peak
mikewate at gmail.com
Fri Jan 12 20:10:20 EST 2018
I started a thread about this very subject back in July at:
Let us know your opinions. Several (except one) have posted references
there that this solar minimum is not *any* lower than the previous ones.
Something else is going on in our ionosphere.
On Fri, Jan 12, 2018 at 6:48 PM, Nick Hall-Patch <nhp at ieee.org> wrote:
> I suspect that http://www.swpc.noaa.gov/products/solar-cycle-progression
> shows the source of our difficulties. The highest level of geomagnetic
> activity in the present cycle started in late 2014. Up to that point,
> high latitude conditions in this location seemed pretty reasonable overall,
> considering the progress of the solar cycle, but since then, they've been
> fairly poor overall.
> Perhaps quieter geomagnetic conditions overall contribute to the
> likelihood of the occurrence of sunrise peaks in signal strength? (though
> that's difficult to tell if there are also no signals heard previous to
> sunrise due to poor conditions)
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