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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