You can always add a small PC type fan that sits on the desk and blows on the
KX3 heat sink. I will just add an extra margin of comfort.
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effects.
I will keep a watch on the temp and maybe add the heatsink as you suggested.
tnx
George
WD0AKZ
-Original Message-
From: Don Wilhelm
Sent: Sunday, September 09, 2018 11:30 AM
To: George Pasek ; elecraft@mailman.qth.net
Subject: Re: [Elecraft] KX3 WSPR Thermo Stressing?
George
George,
Actually 53 degC is not that hot. Look at the specs for semiconductors
and you will find that is only a medium temperature.
Actually at 500mW, it is unlikely that the KX3 will be damaged by even a
continuous key-down.
If you are operating it outdoors, you should keep it out of
I am using my KX3 as a WSPR beacon at 500mw with a Arduino based controller
which provides GPS time sync, WSPR data, and audio. Currently I am running
mono band at 1 two minute transmit cycle per 10 minute time block. Now I want
to add KX3 band switching to my controller and increase my T/R
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