Topband: solarwind and 160 prop

donovanf at starpower.net donovanf at starpower.net
Wed Jan 23 01:21:41 EST 2013


Wolf,

The web page for the National Space Weather Prediction Center's Wang-Sheeley-Arge solar wind model displays predictions and observations of solar wind speed and the polarity of the interplanetary magnetic field at earth.

http://www.swpc.noaa.gov/ws

73
Frank
W3LPL





---- Original message ----
>Date: Wed, 23 Jan 2013 06:24:17 +0100
>From: "Dr. Wolf Ostwald" <df2py at t-online.de>  
>Subject: Topband: solarwind and 160 prop  
>To: topband at contesting.com
>
>hi reflectees !
>As we all know, the effects of the solar wind are strongly determining 
>160m propagation. It seems that solely watching A and K indexes plus the 
>SFI is not helping much in propagation predictions, at least not for 
>160. We all tried that and failed in it. Now is the critical factor 
>whether the polarity of the arriving solar wind, developing the 
>interplanetary mag field , fits the earth mag field or not. becuase if 
>it does, the influence is by far greater than without it.
>Question is, where do i find that info ?? I think this might stir up 
>some geophysicist - hopefully. Surely the information derived that way 
>is not as easy to grasp as a simple number, but it may be the only way 
>to further the cause.
>73 de wolf  df2py
>
>_________________
>Topband Reflector


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