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Message-ID: <002f01c70b64$efc44140$0300a8c0@lark>
From: "Alan Melia" <alan.melia@btinternet.com>
To: <rsgb_lf_group@blacksheep.org>
References: <111820062140.10929.455F7DB40008434500002AB122064244130B97010D0A020E06979D0E03@comcast.net>
Date: Sat, 18 Nov 2006 22:57:29 -0000
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Subject: Re: LF: RE: WD2XGJ tonight
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Status: O

Hi Both,
What is more interesting is that the darkness shadow at 100km altitude is
still about 2000km east of Warren at that time. So he is either hefting a
signal over on a single hop (at least to the UK) or he is D-layer bouncing
it into the darkness zone. I have my doubts about this last explanation as
the absorption increases just before sunset. You should see him dip down in
strength and then comup to full strength as the two hop path becomes fully
dark, This will occur around local sunset, but the darkness shadow at 100km
altitude will still be 1000km east of Warren.....the position for the first
skywave "bounce". It is quite interesting how accurately this ties up with
the simple geometry.
http://www.alan.melia.btinternet.co.uk/geometry.htm

Cheers de Alan G3NYK


----- Original Message -----
From: Warren K2ORS/WD2XGJ/WD2XSH/23 <k2ors@comcast.net>
To: <rsgb_lf_group@blacksheep.org>; <rsgb_lf_group@blacksheep.org>
Cc: Gary - G4WGT <g4wgt@tiscali.co.uk>
Sent: 18 November 2006 21:40
Subject: Re: LF: RE: WD2XGJ tonight


> Hi Gary,
>
> > Same here from 2030 UTC but weak.
>
>   Thanks for the report, 20:30 was still daylight here, sunset is 21:20
UTC today.
>
> --
> 73 Warren K2ORS/WD2XGJ/WD2XSH/23
> FN42hi
> http://www.w4dex.com/wd2xgj.htm
>
>  -------------- Original message ----------------------
> From: "Gary - G4WGT" <g4wgt@tiscali.co.uk>
> > Hi Warren & LF,
> >
> > Same here from 2030 UTC but weak.
> >
> > 73
> >
> > Gary - G4WGT- IO83qp
> >
> >
> >
> > -----Original Message-----
> > From: owner-rsgb_lf_group@blacksheep.org
> > [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Hartmut Wolff
> > Sent: 18 November 2006 20:48
> > To: rsgb_lf_group@blacksheep.org
> > Subject: LF: WD2XGJ tonight
> >
> > XGJ visible here since about 20:10 UTC.
> >
> > 73
> > Hartmut
> > www.h-wolff.de
> > Locator: JO52hp
> >
> >
>
>