Bob is right, I have even loaded a standard G5RV on 160M to make my first top
band QSOs with the K3 at around 100W. I was not working the antenna against
ground. It is an amazing tuner, well done Elecraft.
73 Doug EI2CN
-----Original Message-----
From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On
Behalf Of Bob McGraw K4TAX
Sent: Monday 20 April 2020 20:38
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KAT4
Per the manual, the KAT3A internal tuner for the K3S will match a SWR range of
10:1 with a 100 watt power rating. {page 79} And it will match a 20:1 SWR
range with a 10 watt power rating. I've never encountered any of my crazy
antennas that it wouldn't match.
73
Bob, K4TAX
On 4/20/2020 8:35 AM, Charlie T wrote:
> Well this MAY be a valid question, since I believe for example, the IC-7300
> and/or IC-7610 have an "emergency" mode where the power is cut back to 50
> watts and the allowable tuner's SWR range is extended from its normal full
> power mismatch capability.
> If I remember correctly, its only 3:1 at 100 W, but will match an "emergency"
> use antenna if you have to.
>
> 10: 1 capability DOES put some hefty restraints on an internal tuner.
>
> 73, Charlie k3ICH
>
>
>
>
> -----Original Message-----
> From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On
> Behalf Of David Bunte
> Sent: Monday, April 20, 2020 9:03 AM
> To: Charles Sells <char...@sellsfamily.net>
> Cc: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] KAT4
>
> Charles -
>
> I don't "know" what the power handling capabilities are, but think I can
> safely assume that if it is in the K4 it can handle the power of the K4. I
> trust that Wayne, Eric, or someone else who "knows" the answer will chime in
> when they are able.
>
> 73 de Dave - K9FN
>
> On Mon, Apr 20, 2020 at 8:25 AM Charles Sells <char...@sellsfamily.net>
> wrote:
>
>> I can see from the literature that is on the website that the KAT4 ATU
>> will handle a 10:1 matching range but don’t see what the power
>> handling capabilities are.
>>
>> Anyone know?
>>
>> 73
>> Charles
>> W4PPP
>>
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