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Date: Sat, 19 May 2007 09:45:55 +0100
From: "Andy Talbot" <andy.g4jnt@googlemail.com>
To: rsgb_lf_group@blacksheep.org
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Subject: Re: LF: RE: Re: Rugby - Anthorn
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All my MSF clocks and a watch work OK - including a superannuated Junghans
one, and several of recent design.  Perhaps you have some local QRM, John.

Andy  G4JNT


On 19/05/07, John W Gould <jwgould@iee.org.uk> wrote:
>
> I didn't take much interest in this thread until I realised that my MSF
> clock was free-wheeling.  I've had to find a new position and orientation
> for it in order for it to lock onto the Anthorn signal.  This seems to be
> rather difficult and intermittent.  So much for the claim of a good
> coverage
> across the UK.
>
> My QTH is about 30 miles south of Rugby (so no trouble there) but I guess
> 180 - 200 miles from Anthorn.  I can see a "dissaffected from Newport
> Pagnell" letter being drafted before too long to the operator.
>
> 73 John, G3WKL
>
> -----Original Message-----
> From: owner-rsgb_lf_group@blacksheep.org
> [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Alberto di Bene
> Sent: 17 May 2007 18:03
> To: LF Mailing List
> Cc: Alan Melia
> Subject: LF: Re: Rugby - Anthorn
>
>
> Hi Alan,
>
> I have measured the response of the S-meter of my R-75 at 60 kHz, using a
> W&G level generator and a Hatfield
> attenuator I had bought on eBay some time ago.
>
> At 60 kHz, you need a signal of -67 dBm to have an indication of S9 on the
> receiver. To bring it down to S3, I had to
> insert using the Hatfield attenuator 17 dB of attenuation. So much for the
> linearity of S-meters...
>
> So, for what this test is worth, apparently at my location Anthorn seems
> to
> be about 17 dB weaker than Rugby. The test
> is not much scientific, as I didn't take note in the past of the time of
> the
> day when I took the S9 reading, nor of its
> repeatability, but as a ballpark indication maybe it can say something.
>
> 73  Alberto  I2PHD
>
>
>
>
>
>
>

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<div>All my MSF clocks and a watch work OK - including&nbsp;a superannuated Junghans one, and several of recent design.&nbsp; Perhaps you have some local QRM, John.</div>
<div>&nbsp;</div>
<div>Andy&nbsp; G4JNT</div>
<div><br><br>&nbsp;</div>
<div><span class="gmail_quote">On 19/05/07, <b class="gmail_sendername">John W Gould</b> &lt;<a href="mailto:jwgould@iee.org.uk">jwgould@iee.org.uk</a>&gt; wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">I didn&#39;t take much interest in this thread until I realised that my MSF<br>clock was free-wheeling.&nbsp;&nbsp;I&#39;ve had to find a new position and orientation
<br>for it in order for it to lock onto the Anthorn signal.&nbsp;&nbsp;This seems to be<br>rather difficult and intermittent.&nbsp;&nbsp;So much for the claim of a good coverage<br>across the UK.<br><br>My QTH is about 30 miles south of Rugby (so no trouble there) but I guess
<br>180 - 200 miles from Anthorn.&nbsp;&nbsp;I can see a &quot;dissaffected from Newport<br>Pagnell&quot; letter being drafted before too long to the operator.<br><br>73 John, G3WKL<br><br>-----Original Message-----<br>From: <a href="mailto:owner-rsgb_lf_group@blacksheep.org">
owner-rsgb_lf_group@blacksheep.org</a><br>[mailto:<a href="mailto:owner-rsgb_lf_group@blacksheep.org">owner-rsgb_lf_group@blacksheep.org</a>] On Behalf Of Alberto di Bene<br>Sent: 17 May 2007 18:03<br>To: LF Mailing List<br>
Cc: Alan Melia<br>Subject: LF: Re: Rugby - Anthorn<br><br><br>Hi Alan,<br><br>I have measured the response of the S-meter of my R-75 at 60 kHz, using a<br>W&amp;G level generator and a Hatfield<br>attenuator I had bought on eBay some time ago.
<br><br>At 60 kHz, you need a signal of -67 dBm to have an indication of S9 on the<br>receiver. To bring it down to S3, I had to<br>insert using the Hatfield attenuator 17 dB of attenuation. So much for the<br>linearity of S-meters...
<br><br>So, for what this test is worth, apparently at my location Anthorn seems to<br>be about 17 dB weaker than Rugby. The test<br>is not much scientific, as I didn&#39;t take note in the past of the time of the<br>day when I took the S9 reading, nor of its
<br>repeatability, but as a ballpark indication maybe it can say something.<br><br>73&nbsp;&nbsp;Alberto&nbsp;&nbsp;I2PHD<br><br><br><br><br><br><br></blockquote></div><br>

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