A good basic explanation of how Grey Line propagation works

[ka3jjz]

The title of the thread says it all. Not too heavy on the technical, and the description is an easy read. Great for those folks that don't know about this - and it works for SWLs as well as hams...

Working the Gray Line

Mike

 

[tweiss3]

That's a good read. It also explains why 15m was open 90 minutes ago when I finally caught Japan.

 

[majoco]

David Taylors 'WxTrack' is an excellent little programme that shows the gray line on a world map and you can adjust the time forward to predict the best time to listen.

WXtrack - predicts satellite positions and ground path images - from David Taylor, Edinburgh

David Taylor's Weather Satellite programs - orbit and ground track prediction

www.satsignal.eu

This pic is based on my home QTH

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