[Elecraft] KX3 power reverts from 10W back to 5W

[Arno Dienhart]

I should have mentioned it again: I am powering from a 12V 17Ah sealed lead
acid battery.

 

From: KENT TRIMBLE [mailto:k9ztv at socket.net] 
Sent: Friday, August 30, 2013 12:26
To: Arno Dienhart
Subject: Re: [Elecraft] KX3 power reverts from 10W back to 5W

 

Are you powering the rig with internal batteries?

K9ZTV



On 8/30/2013 12:50 PM, Arno Dienhart wrote:

I would like to come back to this topic with an update after still
experiencing the same issue.
 
 
 
I now use my ZS6BKW with a 1:1 current balun between the twin line and the
coax. I have tried a 70' and a 30' length of coax to the rig. If you think
it will solve the problem, I might even try a 5' length and smolder in the
sun!
 
My battery shows 11.4 V during transmit on the KX3's PS meter.
 
SWRs are never higher than 1.3:1 after tuning.
 
PA temperatures are never very high (sitting in the shade).
 
 
 
I have tried lower W settings, like 8W, which, on some bands, hold for a
while. On other bands, they too revert back to 5W. 
 
 
 
So, if this is all normal, I don't understand why the KX3 is rated at 10W.
Or asking in a different way: what needs to be present to keep the
transmitter from reverting down from 10W, and how can I achieve that state
with my setup?
 
 
 
Please keep in mind that I don't have any antenna analyzing instruments
other than what the KX3 provides.
 
 
 
Thank you and 73,
 
Arno K7RNO
 
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