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Message-ID: <280367.18791.qm@web28514.mail.ukl.yahoo.com>
Date: Thu, 7 Apr 2011 08:56:50 +0100 (BST)
From: Chris Osborn <g3xiz@yahoo.co.uk>
To: LF Group <rsgb_lf_group@blacksheep.org>
Cc: Paul Nicholson <paul@abelian.netcom.co.uk>
In-Reply-To: <BANLkTi=XKxu+kSPngLGhw1LYQbGBi10kOg@mail.gmail.com>
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Subject: LF: Re: Signal (or interferer?) overnight 8.976665kHz
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Roger, LF,
=A0
Very interesting.
=A0
I did do some impromtu testing last night on my usual frequency of 8.976=
 661 6 kHz
I have installed a cover (tarpaulin) over my loading coil to keep out the=
 rain and=A0was checking to see=A0whether it would affect the Q.
If anything results seem better=A0!
=A0
I eventually shut down at 21.30 (20.30Z) so the over night signal is a mys=
tery.
Others have noticed a stable carrier on or near my 'usual' frequency in th=
e past.
=A0
I plan to transmit overnight tonight (7/8th April) on the above frequency=
 so would as usual welcome any reports.
=A0
If anything my loading coil's inductance is slightly high for the working=
 frequency and I guess the tarpaulin cover has reduced it somewhat and thu=
s improved the tuning.
I have planned for some time to=A0make a variometer to facilitate fine tun=
ing but have had trouble sourcing a suitable coil former (ideally a beer=
 brewing bin or such like).
=A0
73
Chris G3XIZ
=A0
=A0


--- On Thu, 7/4/11, Roger Lapthorn <rogerlapthorn@gmail.com> wrote:


From: Roger Lapthorn <rogerlapthorn@gmail.com>
Subject: Signal (or interferer?) overnight 8.976665kHz
To: rsgb_lf_group@blacksheep.org, sub9khz@yahoogroups.com, "Chris Osborn"=
 <g3xiz@yahoo.co.uk>, "g3zjo" <g3zjo@npton.plus.com>
Date: Thursday, 7 April, 2011, 8:19


Overnight I was seeing a weak line at 8.976665kHz lasting from around 0200=
 to around 0700 (now) on SL with 424uHz setting. The grabber is still on,=
 so you can look yourselves. See https://dl.dropbox.com/u/15047843/xbm_gra=
b.jpg . G3ZJO's grabber is not on to correlate with Eddie's location.

My question is who or what is it? G3XIZ was active last evening, but I do=
 not know if Chris left his TX on overnight. The signal (or interferer) is=
 extremely stable and was detected using the earth electrode antenna (2 el=
ectrodes in the garden 15m apart with an elevated wire connection (a loop=
 with the earth return if you like).

73s
Roger G3XBM

--=20
http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.co.uk
http://www.youtube.com/user/g3xbm
https://sites.google.com/site/sub9khz/

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<table cellspacing=3D"0" cellpadding=3D"0" border=3D"0" ><tr><td valign=3D=
"top" style=3D"font: inherit;"><DIV>Roger, LF,</DIV>
<DIV>&nbsp;</DIV>
<DIV>Very interesting.</DIV>
<DIV>&nbsp;</DIV>
<DIV>I did do some impromtu testing last night on my usual frequency of<ST=
RONG> 8.976 661 6 kHz</STRONG></DIV>
<DIV>I have installed a cover (tarpaulin) over my loading coil to keep out=
 the rain and&nbsp;was checking to see&nbsp;whether it would affect the Q.=
</DIV>
<DIV>If anything results seem better&nbsp;!</DIV>
<DIV>&nbsp;</DIV>
<DIV>I eventually shut down at 21.30 (20.30Z) so the over night signal is=
 a mystery.</DIV>
<DIV>Others have noticed a stable carrier on or near my 'usual' frequency=
 in the past.</DIV>
<DIV>&nbsp;</DIV>
<DIV><STRONG>I plan to transmit overnight tonight (7/8th April)</STRONG>=
 on the above frequency so would as usual welcome any reports.</DIV>
<DIV>&nbsp;</DIV>
<DIV>If anything my loading coil's inductance is slightly high for the wor=
king frequency and I guess the tarpaulin cover has reduced it somewhat and=
 thus improved the tuning.</DIV>
<DIV>I have planned for some time to&nbsp;make a variometer to facilitate=
 fine tuning but have had trouble sourcing a suitable coil former (ideally=
 a beer brewing bin or such like).</DIV>
<DIV>&nbsp;</DIV>
<DIV>73</DIV>
<DIV>Chris G3XIZ</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV><BR><BR>--- On <B>Thu, 7/4/11, Roger Lapthorn <I>&lt;rogerlapthorn@gm=
ail.com&gt;</I></B> wrote:<BR></DIV>
<BLOCKQUOTE style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb=
(16,16,255) 2px solid"><BR>From: Roger Lapthorn &lt;rogerlapthorn@gmail.co=
m&gt;<BR>Subject: Signal (or interferer?) overnight 8.976665kHz<BR>To: rsg=
b_lf_group@blacksheep.org, sub9khz@yahoogroups.com, "Chris Osborn" &lt;g3x=
iz@yahoo.co.uk&gt;, "g3zjo" &lt;g3zjo@npton.plus.com&gt;<BR>Date: Thursday=
, 7 April, 2011, 8:19<BR><BR>
<DIV id=3Dyiv536066170>Overnight I was seeing a weak line at 8.976665kHz=
 lasting from around 0200 to around 0700 (now) on SL with 424uHz setting.=
 The grabber is still on, so you can look yourselves. See <A href=3D"https=
://dl.dropbox.com/u/15047843/xbm_grab.jpg" target=3D_blank rel=3Dnofollow>=
https://dl.dropbox.com/u/15047843/xbm_grab.jpg</A> . G3ZJO's grabber is no=
t on to correlate with Eddie's location.<BR><BR>My question is who or what=
 is it? G3XIZ was active last evening, but I do not know if Chris left his=
 TX on overnight. The signal (or interferer) is extremely stable and was=
 detected using the earth electrode antenna (2 electrodes in the garden 15=
m apart with an elevated wire connection (a loop with the earth return if=
 you like).<BR><BR>73s<BR>Roger G3XBM<BR clear=3Dall><BR>-- <BR><A href=3D=
"http://g3xbm-qrp.blogspot.com/" target=3D_blank rel=3Dnofollow>http://g3x=
bm-qrp.blogspot.com/</A><BR><A href=3D"http://www.g3xbm.co.uk/" target=3D_=
blank   rel=3Dnofollow>http://www.g3xbm.co.uk</A><BR><A href=3D"http://www=
.youtube.com/user/g3xbm" target=3D_blank rel=3Dnofollow>http://www.youtube=
.com/user/g3xbm</A><BR><A href=3D"https://sites.google.com/site/sub9khz/"=
 target=3D_blank rel=3Dnofollow>https://sites.google.com/site/sub9khz/</A>=
<BR><BR></DIV></BLOCKQUOTE></td></tr></table>

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