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Re: Topband: Solar Flux Question

To: topband@contesting.com
Subject: Re: Topband: Solar Flux Question
From: Artek Manuals <Manuals@ArtekManuals.com>
Date: Fri, 6 Nov 2020 15:55:23 -0500
List-post: <mailto:topband@contesting.com>
Bill

Last night ON 160 I worked 32 European and SA stations with the reported SFI of 88.  earlier in the week with a similar SFI number I heard nothing from EU on 160. Conclusion : At these levels SFI is not the factor

Conditions on 15 and 12 have been for the last week or so been great . Lots of long path on 40 through 15 depending on the time of day & band. certainly far better than a year ago at SFI of 68-72 on the upper bands, on 160 and 80 hasn't been much of factor so far

DAVE
nr1dx


On 11/6/2020 3:23 PM, Bill Stewart wrote:
Per WWV, the solar flux is at 91. What, if any, affect does this have on 
propagation in HF or other
frequency bands....and of course 160 meters. I have seen these geophysical 
numbers often, but
never really understood what they meant. The flux has been running in the high 
60s/low 70s until
a few weeks ago when I saw it in the 80s.
Tnx de Bill K4JYS
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