[Elecraft] KPA500 - SWR into K3

[Dick Dievendorff]

I have observed some different SWR readings on 10 and 6 meters with
relatively small differences in cable lengths between rig, amp, and ATU.
My K3 works better on 30 meters when I engage the K3's ATU.  The K3 is
measuring the SWR it sees (the input to the amp or the ATU, depending on the
amp key line), and the KPA500 is measuring what it sees (the input to the
ATU) and the KAT500 is measuring what it sees (the antenna system and the
ATU's L and C), and they're all at slightly different points in the path
with cables of varying lengths between.

73 de Dick, K6KR


-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Ron D'Eau Claire
Sent: Saturday, December 08, 2012 4:01 PM
To: k6dgw at foothill.net; 'Elecraft Reflector'
Subject: Re: [Elecraft] KPA500 - SWR into K3

Fred, my K3 reports 1.7:1 into the KPA500 on 10 meters. 6 meters and 12
meters are both 1.4:1. All other bands are 1.1:1 or better. 

That's with the K3's internal tuner in bypass of course. 

73 Ron AC7AC

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Fred Jensen
Sent: Saturday, December 08, 2012 2:18 PM
To: Elecraft Reflector
Subject: [Elecraft] KPA500 - SWR into K3

In 10m contest [CW], I'm seeing 2:1 SWR on the K3 display feeding the
KPA500.  SWR from the antenna to KPA500 is 1.1:1.  Is this normal?

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2013 Cal QSO Party 5-6 Oct 2013
- www.cqp.org


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