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From: "Dave Sergeant" <dave@davesergeant.com>
To: rsgb_lf_group@blacksheep.org
Date: Mon, 02 Jul 2007 21:46:38 +0100
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Subject: Re: LF: Re: 500 - Signal on 504 KHz
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On 2 Jul 2007 at 19:47, Alan Melia wrote:

> On the point of "QRM" I am receiving a very weak signal on 502.5. I
> know that is where Adrian G4GDR transmits but this is on almost
> continuously. I thought I had identified it as Adrian when Jim worked
> him the other day as it seemed to go off when Jim was transmitting. I
> am now wondering if that was just due to the big signal I get from
> Jim. I need averaging to see it but if looks like it could be morse
> and it "pings up" occasionally. I dont know whether Adrian does call a
> lot ...because he has a valve rig I guess he doesnt beacon and is
> probably not that stable (??).

I get various weak carriers from time to time in the band, which are 
not stable and drift. I have always assumed these are birdies coming 
out of my pc/router as is the somewhat stronger burble I get on 
500.00 which goes off when I turn the pc off. I suspect this is what 
you are hearing Alan. Adrian put out a reasonably stable signal when 
he is on, he doesn't beacon, rather more lots of CQs.

73 Dave G3YMC

http://www.davesergeant.com