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Re: LF: PA0RDT antenna near a TX? Front end OK?

To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: PA0RDT antenna near a TX? Front end OK?
From: Andy Talbot <andy.g4jnt@gmail.com>
Date: Thu, 15 Oct 2015 18:29:11 +0100
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You could use a latching relay, and pulse the supply with reverse polarity to set teh input short. 
(Suitably protecting the preamp electronics with a diode)

'jnt

On 15 October 2015 at 18:14, John Andrews <w1tag@charter.net> wrote:
One trick that I have used on several preamps:

Put a small PC-mount relay (such as those used on telephone lines) at the front end of the preamp. Connect the 
 
 German ops who hang such electronics in distant tree-tops would probably not be interested.

John, W1TAG


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