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List:       elecraft
Subject:    Re: [Elecraft] KX2 temperature
From:       Gary Slagel via Elecraft <elecraft () mailman ! qth ! net>
Date:       2021-08-22 12:45:32
Message-ID: 1894447140.555085.1629636332637 () mail ! yahoo ! com
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I have trouble with the KX2 keyer malfunctioning when I'm operating with the radio sitting outside in direct sunlight.  It happens after 20 or 30 minutes of steady contest style QSO's on SOTA activations.  I haven't spent any time troubleshooting other then trying to keep it shaded with whatever is handy to droop over it.  
I wonder if the Pro Audio Engineering Kx22 Heatsink kit would help with that issue?
Gary KT0A
  

    On Sunday, August 22, 2021, 12:18:20 AM MDT, Howard Hoyt <hhoyt@mebtel.net> wrote:  
 
 Hi Gary,

We have been manufacturing the Pro Audio Engineering Kx22 Heatsink kit 
since 2016:

https://proaudioeng.com/pae-kx22-heatsink-elecraft-kx2/ 
<https://proaudioeng.com/pae-kx22-heatsink-elecraft-kx2/>

The Kx22 provides 200% or more key-down time in transmit and there is 
more data on the website.  The good news is the do not impact the size 
of the rig at all.  By this I mean we engineered them to only have fins 
which protrude only as far as the BNC connector on the right panel where 
the PA FETs are attached.  Any case the KX2 fit in before it will still 
fit once the Kx22 is attached.

We have several distributors around the world which sell them including 
GEMS in the USA, Lutz Electronics in Switzerland and others.

Cheers & 73,
Howie / WA4PSC
proaudioeng.com

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