[CQ-Contest] Webinar - A Long Overdue Review of Gray Line Propagation on the Low Bands

[Ken Claerbout <k4zw@verizon.net>]

The World Wide Radio Operators Foundation (WWROF) is pleased to present A Long 
Overdue Review of Gray Line Propagation on the Low Bands with Carl 
Luetzelschwab, K9LA.  Carl will trace the origin of gray line propagation, and 
show that there is a problem with the current explanation that propagation 
along the terminator is efficient.  He will then provide an alternative 
explanation for gray line that satisfies both observations and ionospheric 
physics.  

Date:  Thursday, September 11
Time:  9 PM EDT (Friday, September 12 - 01:00 UTC)
Registration:  https://www2.gotomeeting.com/register/582697442

Ken K4ZW
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