[DX] VP6DIA - 40/80M Window

John Geiger [email protected]
Wed, 19 Mar 2003 09:16:23 -0800 (PST)


This is very true.  In the ARRL DX contest, I was
working Japan on 40 meters about 2 hours after sunrise
here, and was still copying RA0CG.  I first had the
RA0 in here on 40 at 2am local time, and he was a true
S7-must have been around his sunset time.  

Grayline propagation can be alot of fun if done right.

73s John NE0P


--- [email protected] wrote:
> Larry made some good points about "windows of
> opportunity" on the Low Bands.
> 
> I would like to make one addition:
> 
> Signals to and from the West actually peak AFTER
> sunrise, by 10 to 20 minutes on 80M and 20 to 40
> minutes on 40M.  This applies at BOTH ends of the
> path.  Observe how signals from Russia, Europe, and
> Africa will rise and fall at / after THEIR sunrise. 
> Knowledgable Low Band DXers often follow the sunrise
> across UA / EU / AF from 0200 to 0800Z.  I have
> heard and worked stations in the Indian Ocean up to
> 1 hour past their sunrise on 80M and 2 hours past
> their sunrise on 40M.  Similarly, I have worked
> stations in the Pacific well past my own sunrise.
> 
> There can be a similar peak BEFORE sunset.  This is
> more apparent during low sunspot activity.
> 
> Tom  N4KG
> 
> 
> 
> 
> 
> 
>
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