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References: <179645.27632.qm@web28503.mail.ukl.yahoo.com>
Date: Sat, 25 Dec 2010 16:19:38 +0000
Message-ID: <AANLkTi=MOt6+EsAanr30NLC+RhGtJmi8p00a2hLtpzcd@mail.gmail.com>
From: Andy Talbot <andy.g4jnt@gmail.com>
To: rsgb_lf_group@blacksheep.org
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Subject: Re: LF: VLF Tests - G3XIZ
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I should be able to watch for your signals - what accuracy can you guarantee
your frequency to?

Also, when you key is coherency of the driver signal maintained so a long
integration time straddling the on/off periods isn't compromised.?

Andy
www.g4jnt.com



On 25 December 2010 11:20, Chris Osborn <g3xiz@yahoo.co.uk> wrote:

>  Season's greetings to all,
>
> I have had permission from the UK Meteorological Office to transmit VLF
> from 27th December to 3rd January.
> I shall be transmitting at odd times between these dates and will give more
> specific details via the reflector.
>
> Location:  IO 92 UB
> Freq:        8.9719 kHz
> Mode:      QRSS (using variable speeds)
> Power:     50 watts RF
> Aerial:      40m end fed inverted 'L' , height 10m
>
>
> I have increased power and plan on occasion (weather dependent) to use a
> captive balloon aerial, height about 50m.
>
> My best 'DX' to date is Dennis M0JXM at 1.5 km; many thanks Dennis.
>
> Pete M0FMT has made considerable efforts to receive my signals, even
> driving around in his car with a laptop PC but so far
> results have been less than spectacular.
> Knowing Pete he will not be disheartened.
>
> Roger G3XBM and Jim G7NKS have also been trying to receive me, and
> themselves transmitting on VLF.
> I believe that they will both be QRV over the Xmas break.
> Locally, Nick G4IKZ is making considerable efforts to receive me.
>
> Many thanks for the encouragement and advice from reflector members; this
> is always welcome.
> Let's hope that I manage to get some more reports (and a few more km)
> before long.
>
> 73
> Chris G3XIZ
>
>

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<div>I should be able to watch for your signals - what accuracy can you gu=
arantee your frequency to?=A0=A0=A0 </div>
<div>=A0</div>
<div>Also, when you key is coherency of the driver signal=A0maintained so=
 a long integration time straddling the=A0on/off periods isn&#39;t comprom=
ised.?=A0=A0<br></div>
<div>=A0</div>
<div>Andy</div>
<div><a href=3D"http://www.g4jnt.com/">www.g4jnt.com</a></div>
<div>=A0</div>
<div><br>=A0</div>
<div class=3D"gmail_quote">On 25 December 2010 11:20, Chris Osborn <span=
 dir=3D"ltr">&lt;<a href=3D"mailto:g3xiz@yahoo.co.uk">g3xiz@yahoo.co.uk</a=
>&gt;</span> wrote:<br>
<blockquote style=3D"BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8e=
x; PADDING-LEFT: 1ex" class=3D"gmail_quote">
<div>
<div style=3D"FONT-FAMILY: arial,helvetica,sans-serif; FONT-SIZE: 10pt">
<div>Season&#39;s greetings to all,<br><br>I have had permission from the=
 UK Meteorological Office to transmit VLF from 27th December to 3rd Januar=
y.<br>I shall be transmitting at odd times between these dates and will gi=
ve more specific details via the reflector.<br>
<br>Location:=A0 IO 92 UB<br>Freq:=A0=A0=A0 =A0=A0=A0 8.9719 kHz<br>Mode:=
=A0=A0=A0=A0=A0 QRSS (using variable speeds)<br>Power:=A0=A0=A0=A0 50 watt=
s RF<br>Aerial:=A0=A0=A0=A0=A0 40m end fed inverted &#39;L&#39; , height=
 10m<br><br><br>I have increased power and plan on occasion (weather depen=
dent) to use a captive balloon aerial, height about 50m.<br>
<br>My best &#39;DX&#39; to date is Dennis M0JXM at 1.5 km; many thanks De=
nnis.<br><br>Pete M0FMT has made considerable efforts to receive my signal=
s, even driving around in his car with a laptop PC but so far <br>results=
 have been less than spectacular.<br>
Knowing Pete he will not be disheartened.<br><br>Roger G3XBM and Jim G7NKS=
 have also been trying to receive me, and themselves transmitting on VLF.<=
br>I believe that they will both be QRV over the Xmas break.<br>Locally,=
 Nick G4IKZ is making considerable efforts to receive me.<br>
<br>Many thanks for the encouragement and advice from reflector members;=
 this is always welcome.<br>Let&#39;s hope that I manage to get some more=
 reports (and a few more km) before long.<br><br>73<br>Chris G3XIZ<br></di=
v>
</div><br></div></blockquote></div><br>

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