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Date: Sat, 26 Mar 2011 17:09:37 +0000
Message-ID: <AANLkTi=GMaY+sFza=7t_Xjy4dHm8Skp1LKe-+NfYgODs@mail.gmail.com>
From: Gary - G4WGT <g4wgt@tiscali.co.uk>
To: rsgb_lf_group@blacksheep.org
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Subject: Re: LF: CW transmission around 17.975kHz at 1640z March 26th
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Hi Roger,

Just seen your mail & had a look (1705utc) & nothing seen on that frequency
but nearby is the Russian military on 18.1kHz & I have occasionally heard
them using CW there.

73, Gary - G4WGT.


On 26 March 2011 16:48, Roger Lapthorn <rogerlapthorn@gmail.com> wrote:

> To check my loop is working I run SM6LKM's VLF receiver to see levels of
> the Alphas and GBZ etc and notice a station sending 5 number sequences in CW
> around 17.975kHz. This frequency was not accurately measured as I only
> caught about 2-3 minutes before the signal disappeared. It has now
> reappeared with what sounds like high speed CW.
>
> Can anyone tell me who this might be? Signal was about 30dB over noise on
> my loop aiming roughly WSW-ENE.
>
> I wasn't aware any of the military VLF users still used CW.
>
> 73s
> Roger G3XBM
>
> --
> http://g3xbm-qrp.blogspot.com/
> http://www.g3xbm.co.uk
> http://www.youtube.com/user/g3xbm
> https://sites.google.com/site/sub9khz/
> <http://vlf_grabber>G3XBM   GQRP 1678    ISWL G11088
>

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Hi Roger,<div><br></div><div>Just seen your mail &amp; had a look (1705utc=
) &amp; nothing seen on that frequency but nearby is the Russian military=
 on 18.1kHz &amp; I have occasionally heard them using CW there.</div><div=
>
<br></div><div>73, Gary - G4WGT.</div><div><br><br><div class=3D"gmail_quo=
te">On 26 March 2011 16:48, Roger Lapthorn <span dir=3D"ltr">&lt;<a href=
=3D"mailto:rogerlapthorn@gmail.com">rogerlapthorn@gmail.com</a>&gt;</span>=
 wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1=
px #ccc solid;padding-left:1ex;">To check my loop is working I run SM6LKM&=
#39;s VLF receiver to see levels of the Alphas and GBZ etc and notice a st=
ation sending 5 number sequences in CW around 17.975kHz. This frequency wa=
s not accurately measured as I only caught about 2-3 minutes before the si=
gnal disappeared. It has now reappeared with what sounds like high speed=
 CW.<br>

<br>Can anyone tell me who this might be? Signal was about 30dB over noise=
 on my loop aiming roughly WSW-ENE.<br><br>I wasn&#39;t aware any of the=
 military VLF users still used CW.<br><br>73s<br>Roger G3XBM <br clear=3D"=
all">
<font color=3D"#888888">
<br>-- <br><a href=3D"http://g3xbm-qrp.blogspot.com/" target=3D"_blank">ht=
tp://g3xbm-qrp.blogspot.com/</a><br><a href=3D"http://www.g3xbm.co.uk" tar=
get=3D"_blank">http://www.g3xbm.co.uk</a><br><a href=3D"http://www.youtube=
.com/user/g3xbm" target=3D"_blank">http://www.youtube.com/user/g3xbm</a><b=
r>

<a href=3D"https://sites.google.com/site/sub9khz/" target=3D"_blank">https=
://sites.google.com/site/sub9khz/</a><br><a href=3D"http://vlf_grabber" ta=
rget=3D"_blank"></a>G3XBM=A0=A0 GQRP 1678=A0=A0=A0 ISWL G11088<br>
</font></blockquote></div><br></div>

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