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From: "Gw3UEP" <500kcs@uku.co.uk>
To: <rsgb_lf_group@blacksheep.org>
References: <20070726021023.0f362c4b@lurcher.twatt.local> <013c01c7cf63$120ea4d0$4768e150@o> <Pine.LNX.4.64.0707261006420.19715@lurcher.twatt.local>
Date: Thu, 26 Jul 2007 21:08:10 +0100
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Subject: Re: LF: Re: Recording of Beacon reception in Shetland
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John,
Tks for Rx info & interesting obs on signal pattern.
Rog.
----- Original Message -----=20
From: John GM4SLV=20
To: rsgb_lf_group@blacksheep.org=20
Sent: Thursday, July 26, 2007 11:17 AM
Subject: Re: LF: Re: Recording of Beacon reception in Shetland


Yes Rog - recorded from headphone socket of AR7030 with fairly wide=20
1.3kHz IF filter. I haven't a narrow IF filter in that RX, but an=20
outboard 2 stage 100Hz active filter has been built recently. Didn't=20
need to use it last night on your signals as you can tell.

I have screen grabs stored for each 5 minutes for the last several days=20
that I'm going to analyze to to see how the path between us (and any of=20
the other continuous beacons that I see) varies. You are always a nice=20
signal at night but disappear quickly as daybreak approaches, with=20
nothing visible during the day.

I don't want to wish the summer away, but after the equinox 500kHz will=20
get a lot more user friendly!

Cheers,

John


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<DIV><FONT face=3DTahoma size=3D2>John,</FONT></DIV>
<DIV><FONT face=3DTahoma size=3D2>Tks for Rx info &amp; interesting obs =
on signal=20
pattern.</FONT></DIV>
<DIV><FONT face=3DTahoma size=3D2>Rog.</FONT></DIV>
<DIV style=3D"FONT: 10pt arial">----- Original Message -----=20
<DIV style=3D"BACKGROUND: #e4e4e4; font-color: black"><B>From:</B> <A=20
title=3Dgm4slv@sighthound.demon.co.uk=20
href=3D"mailto:gm4slv@sighthound.demon.co.uk">John GM4SLV</A> </DIV>
<DIV><B>To:</B> <A title=3Drsgb_lf_group@blacksheep.org=20
href=3D"mailto:rsgb_lf_group@blacksheep.org">rsgb_lf_group@blacksheep.org=
</A>=20
</DIV>
<DIV><B>Sent:</B> Thursday, July 26, 2007 11:17 AM</DIV>
<DIV><B>Subject:</B> Re: LF: Re: Recording of Beacon reception in=20
Shetland</DIV></DIV>
<DIV><BR></DIV><BR>Yes Rog - recorded from headphone socket of AR7030 =
with=20
fairly wide <BR>1.3kHz IF filter. I haven't a narrow IF filter in that =
RX, but=20
an <BR>outboard 2 stage 100Hz active filter has been built recently. =
Didn't=20
<BR>need to use it last night on your signals as you can tell.<BR><BR>I =
have=20
screen grabs stored for each 5 minutes for the last several days =
<BR>that I'm=20
going to analyze to to see how the path between us (and any of <BR>the =
other=20
continuous beacons that I see) varies. You are always a nice <BR>signal =
at night=20
but disappear quickly as daybreak approaches, with <BR>nothing visible =
during=20
the day.<BR><BR>I don't want to wish the summer away, but after the =
equinox=20
500kHz will <BR>get a lot more user=20
friendly!<BR><BR>Cheers,<BR><BR>John<BR><BR></BODY></HTML>

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