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Re: LF: QRV on 500

To: [email protected]
Subject: Re: LF: QRV on 500
From: Rik Strobbe <[email protected]>
Date: Thu, 28 Aug 2008 09:33:12 +0200
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
At 20:08 27/08/2008, you wrote:
Nice to  see you have the  Good and the Bad ,

That just leaves us with the 'Ugly'  .... !

You using the main ae for rx ? perhaps a small loop would be better ?
Yes, and normally this is no problem (a 20dB attenuator takes care of all IM problems). I have a small portable loop that can be tuned to 500kHz and QRM is as band as on the big antenna unless I null it out with the loop. Unfortunately the null is east-west so when nulling out the QRM source I null out south UK too ... Last night I took a portable AM radio to locate the QRM source and found out that it was a 12V dc "electronic transformer", also running quite hot. It has been there also in May (when I didn't have that QRM) so it must have gone faulty some way since then. I am going to replace it by a good old fashioned 12V dc power supply.
73, Rik

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