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Message-ID: <013901c7cf63$0da0c360$4768e150@o>
From: "Gw3UEP" <500kcs@uku.co.uk>
To: <rsgb_lf_group@blacksheep.org>
References: <PAEFLMFGBDKKCONLMLBIMEJBCLAA.ganymede444@btopenworld.com>
Date: Thu, 26 Jul 2007 09:30:29 +0100
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Subject: LF: Re: [ 500]Two GW's Testing... GW4HXO overnight run
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Dave/wcb,
Tks for all info, esp the 6dB comp.
What freq separation would suit?
Rog.
----- Original Message -----=20
From: Dave G3WCB=20
To: rsgb_lf_group@blacksheep.org=20
Sent: Wednesday, July 25, 2007 7:48 PM
Subject: LF: [ 500]Two GW's Testing... GW4HXO overnight run


Mike, LF.

Good signals from GW4HXO throughout the night, with a marked drop in
strength between 0350 and 0420 utc, and reversion to daytime signal =
levels
therafter. The propagation showed the same sort of pattern as GW3UEPs
signals, but Mike seems to be consistently stronger by around 6 dB

Mike's signals reached a sort of peak at 2330utc, and stayed at good =
audible
strength until 0350 utc, with moderate QSB having a two or three minute
cycle. His signals didn't exatctly "fall off a cliff" after 0350utc, but =
a
fairly rapid decrease in signal strength occurred, perhaps as much as 10 =
dB,
but I'm guessing.

Mike's signals have been visible all morning [couldn't listen - I was at
work :-((], then stopped abruptly at about 1410 utc this afternoon.

It would be really interesting to run an overnight comparison between =
GW4HXO
and GW3UEP, but at the moment, they're beaconing at opposite ends of the
band!

I'm also seeing what I assume to be Finbar clearly on 503.792 at the =
moment.
Can't make out his call-sign by ear.

Night and day comparison screenshots of GW4HXO attached.

73, Dave G3WCB IO91RM


-----Original Message-----
From: owner-rsgb_lf_group@blacksheep.org
[mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of Dave G3WCB
Sent: 24 July 2007 22:56
To: rsgb_lf_group@blacksheep.org
Subject: RE: LF: [ 500]; Two GW's Testing... GW4HXO


Dave, LF,

GW4HXO is quite a bit stronger now, and clearly audible in a 1.74 Khz
bandwidth (Wierd SPM-30 feature) I'd give him 439 by ear. My background
noise level is sitting at -74 dBm, and Mike is a dB or two above that.
(About 50 micro-volts at the RX terminals)

I'm using a 20m long "Tee" at 6m, tuned with a big coil which is
link-coupled to the RX. It does pick up a lot of SMPSU crud from nearby
wiring. A loop would be much quieter.

I'll leave ARGO running overnight to see what happens to the signal =
levels
around dawn.

73, Dave G3WCB IO91RM



-----Original Message-----
From: owner-rsgb_lf_group@blacksheep.org
[mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of Dave Sergeant
Sent: 24 July 2007 21:28
To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: [ 500]; Two GW's Testing... GW4HXO


On 24 Jul 2007 at 20:58, Dave G3WCB wrote:

> Well.......I'm seeing something on 503.812, and I might be hearing
> fragments of a call-sign. I'm using a SPM-30 on the 24Hz bandwidth
> setting, and the callsign is a bit too fast.-- Would it be possible
> to insert a couple of seconds of blank carrier after each call-sign,
> or alternatively QRS to 5 or 6 WPM?

Still amazed at the difference in reception between Bracknell and
Iver (the whole of about 10 miles...). Currently hearing (and not
much different from midday here) with my two ears.....

505.15   DI2BE    569
503.8     GW4HXO   559, very consistent all day
503.75   G0MRF      599
503.65   G4WGT     579
503.2     GI4PDE    traces, was solid earlier
502.2     G3XIZ in QSO with G3UNT   both 599
501.5     GW3UEP   329

(All frequencies approximate, difficult to read to 10Hz accuracy when
tuning CW by ear...).

I can even hear 'HXO and 'WGT under 'MRF's psk in my 400Hz filter

A couple of CQs from here earlier went unanswered...

73 Dave G3YMC

http://www.davesergeant.com






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<DIV><FONT face=3DTahoma size=3D2>Dave/wcb,</FONT></DIV>
<DIV><FONT face=3DTahoma size=3D2>Tks for all info, esp the 6dB =
comp.</FONT></DIV>
<DIV><FONT face=3DTahoma size=3D2>What freq separation would =
suit?</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=3Dganymede444@btopenworld.com =
href=3D"mailto:ganymede444@btopenworld.com">Dave=20
G3WCB</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> Wednesday, July 25, 2007 7:48 PM</DIV>
<DIV><B>Subject:</B> LF: [ 500]Two GW's Testing... GW4HXO overnight=20
run</DIV></DIV>
<DIV><BR></DIV>Mike, LF.<BR><BR>Good signals from GW4HXO throughout the =
night,=20
with a marked drop in<BR>strength between 0350 and 0420 utc, and =
reversion to=20
daytime signal levels<BR>therafter. The propagation showed the same sort =
of=20
pattern as GW3UEPs<BR>signals, but Mike seems to be consistently =
stronger by=20
around 6 dB<BR><BR>Mike's signals reached a sort of peak at 2330utc, and =
stayed=20
at good audible<BR>strength until 0350 utc, with moderate QSB having a =
two or=20
three minute<BR>cycle. His signals didn't exatctly "fall off a cliff" =
after=20
0350utc, but a<BR>fairly rapid decrease in signal strength occurred, =
perhaps as=20
much as 10 dB,<BR>but I'm guessing.<BR><BR>Mike's signals have been =
visible all=20
morning [couldn't listen - I was at<BR>work :-((], then stopped abruptly =
at=20
about 1410 utc this afternoon.<BR><BR>It would be really interesting to =
run an=20
overnight comparison between GW4HXO<BR>and GW3UEP, but at the moment, =
they're=20
beaconing at opposite ends of the<BR>band!<BR><BR>I'm also seeing what I =
assume=20
to be Finbar clearly on 503.792 at the moment.<BR>Can't make out his =
call-sign=20
by ear.<BR><BR>Night and day comparison screenshots of GW4HXO=20
attached.<BR><BR>73, Dave G3WCB IO91RM<BR><BR><BR>-----Original=20
Message-----<BR>From: <A=20
href=3D"mailto:owner-rsgb_lf_group@blacksheep.org">owner-rsgb_lf_group@bl=
acksheep.org</A><BR>[mailto:owner-rsgb_lf_group@blacksheep.org]On=20
Behalf Of Dave G3WCB<BR>Sent: 24 July 2007 22:56<BR>To: <A=20
href=3D"mailto:rsgb_lf_group@blacksheep.org">rsgb_lf_group@blacksheep.org=
</A><BR>Subject:=20
RE: LF: [ 500]; Two GW's Testing... GW4HXO<BR><BR><BR>Dave, =
LF,<BR><BR>GW4HXO is=20
quite a bit stronger now, and clearly audible in a 1.74 Khz<BR>bandwidth =
(Wierd=20
SPM-30 feature) I'd give him 439 by ear. My background<BR>noise level is =
sitting=20
at -74 dBm, and Mike is a dB or two above that.<BR>(About 50 micro-volts =
at the=20
RX terminals)<BR><BR>I'm using a 20m long "Tee" at 6m, tuned with a big =
coil=20
which is<BR>link-coupled to the RX. It does pick up a lot of SMPSU crud =
from=20
nearby<BR>wiring. A loop would be much quieter.<BR><BR>I'll leave ARGO =
running=20
overnight to see what happens to the signal levels<BR>around =
dawn.<BR><BR>73,=20
Dave G3WCB IO91RM<BR><BR><BR><BR>-----Original Message-----<BR>From: <A=20
href=3D"mailto:owner-rsgb_lf_group@blacksheep.org">owner-rsgb_lf_group@bl=
acksheep.org</A><BR>[mailto:owner-rsgb_lf_group@blacksheep.org]On=20
Behalf Of Dave Sergeant<BR>Sent: 24 July 2007 21:28<BR>To: <A=20
href=3D"mailto:rsgb_lf_group@blacksheep.org">rsgb_lf_group@blacksheep.org=
</A><BR>Subject:=20
Re: LF: [ 500]; Two GW's Testing... GW4HXO<BR><BR><BR>On 24 Jul 2007 at =
20:58,=20
Dave G3WCB wrote:<BR><BR>&gt; Well.......I'm seeing something on =
503.812, and I=20
might be hearing<BR>&gt; fragments of a call-sign. I'm using a SPM-30 on =
the=20
24Hz bandwidth<BR>&gt; setting, and the callsign is a bit too fast.-- =
Would it=20
be possible<BR>&gt; to insert a couple of seconds of blank carrier after =
each=20
call-sign,<BR>&gt; or alternatively QRS to 5 or 6 WPM?<BR><BR>Still =
amazed at=20
the difference in reception between Bracknell and<BR>Iver (the whole of =
about 10=20
miles...). Currently hearing (and not<BR>much different from midday =
here) with=20
my two ears.....<BR><BR>505.15&nbsp;&nbsp; DI2BE&nbsp;&nbsp;&nbsp;=20
569<BR>503.8&nbsp;&nbsp;&nbsp;&nbsp; GW4HXO&nbsp;&nbsp; 559, very =
consistent all=20
day<BR>503.75&nbsp;&nbsp; G0MRF&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
599<BR>503.65&nbsp;&nbsp; G4WGT&nbsp;&nbsp;&nbsp;&nbsp;=20
579<BR>503.2&nbsp;&nbsp;&nbsp;&nbsp; GI4PDE&nbsp;&nbsp;&nbsp; traces, =
was solid=20
earlier<BR>502.2&nbsp;&nbsp;&nbsp;&nbsp; G3XIZ in QSO with =
G3UNT&nbsp;&nbsp;=20
both 599<BR>501.5&nbsp;&nbsp;&nbsp;&nbsp; GW3UEP&nbsp;&nbsp; =
329<BR><BR>(All=20
frequencies approximate, difficult to read to 10Hz accuracy =
when<BR>tuning CW by=20
ear...).<BR><BR>I can even hear 'HXO and 'WGT under 'MRF's psk in my =
400Hz=20
filter<BR><BR>A couple of CQs from here earlier went =
unanswered...<BR><BR>73=20
Dave G3YMC<BR><BR><A=20
href=3D"http://www.davesergeant.com">http://www.davesergeant.com</A><BR><=
BR><BR><BR><BR><BR></BODY></HTML>

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