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Date: Wed, 14 Mar 2012 23:26:05 +0000 (GMT)
From: ALAN MELIA <alan.melia@btinternet.com>
To: rsgb_lf_group@blacksheep.org
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Subject: Re: LF: DK7FC in VK?
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Hi Stefan that sounds spectacular! It is certainly not an easy path to conq=
uor without some very clever modulation!=0A=0AWell Done, this is not exactl=
y a "good time" to try either.=0A=0AAlan=0AG3NYK=0A=0A=0A--- On Wed, 14/3/1=
2, Stefan Sch=E4fer <Stefan.Schaefer@iup.uni-heidelberg.de> wrote:=0A=0A> F=
rom: Stefan Sch=E4fer <Stefan.Schaefer@iup.uni-heidelberg.de>=0A> Subject: =
LF: DK7FC in VK?=0A> To: rsgb_lf_group@blacksheep.org=0A> Cc: "Gamal Wahid =
Soegiono" <soegiono@web.de>=0A> Date: Wednesday, 14 March, 2012, 22:40=0A> =
LF,=0A> =0A> Not yet a clear proof but probably i left a first trace in=0A>=
 VK on 136.172 kHz in my evening transmission a few hours=0A> ago.=0A> =0A>=
 The VK1SV grabber ( http://people.physics.anu.edu.au/~dxt103/grabber/)=0A>=
 showed this spectrogram at about 20:10 UTC: http://dl.dropbox.com/u/198820=
28/LF/is%20that%20a%207.jpg=0A> =0A> It looks pretty equal to a 7 i find.=
=0A> =0A> Note the time delay of the time stamp in the spectrogram and=0A> =
in the text box in the left top corner. The correct time is=0A> that of the=
 text box. (We don't know where this delay may=0A> come from). The delay is=
 exactly 30 minutes.=0A> So that 7 must have been on air at about 19:15 UTC=
. This=0A> exactly matches with my own grabber capture which can be=0A> see=
n at http://dl.dropbox.com/u/19882028/LF/EU60.jpg=0A> =0A> Also the frequen=
cy matches as well as the DFCW element=0A> length and the DFCW shift of my =
DFCW-180 transmission. As a=0A> comparison i generated a 7 in a spectrogram=
 with equal=0A> setting as used by Dimitris/VK1SV. Then i cut that 7 and=0A=
> inserted it into the VK grabber capture, see: http://dl.dropbox.com/u/198=
82028/LF/7%20comparison.png=0A> =0A> Of course we will go on trying in the =
next time and hope to=0A> get a even better proof. In that mode there is li=
ttle room,=0A> i.e. time to receive a complete call. The time is very=0A> l=
imited. But maybe we will see a F tomorrow :-)=0A> I'm very optimistic you =
know.=0A> =0A> That is a path of 16464 km :-) http://no.nonsense.ee/qthmap/=
?qth=3DJN49IK00WD&from=3DQF44MT=0A> =0A> 73, Stefan/DK7FC=0A> =0A> PS: Will=
 be quiet tonite due to VLF receive tests.=0A> =0A> Am 14.03.2012 21:04, sc=
hrieb Stefan Sch=E4fer:=0A> > LF,=0A> > =0A> > I'm somewhat confused. Can s=
omone look at this link and=0A> tell me what he sees: http://people.physics=
.anu.edu.au/~dxt103/grabber/=0A> > =0A> > 73, Stefan/DK7FC=0A> =0A>