[Elecraft] K3 and Alpha 87A SWR

[Adrian]

84" works well for many including myself.

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Jorge Diez - CX6VM
Sent: Thursday, 23 August 2012 2:34 AM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] K3 and Alpha 87A SWR

Hello Mike

I also notice that on my Drake L7. When amp is ON the SWR on the K3 is high,
instead on my wattmeter/SWR the SWR is as always

I don´t know what´s wrong, I use to turn on the K3 ATU, but the idea is to
don´t have this high SWR on the K3

73,
Jorge
CX6VM/CW5W


-----Mensaje original-----
De: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] En nombre de Mike Wetzel Enviado
el: miércoles, 22 de agosto de 2012 13:28
Para: elecraft at mailman.qth.net
Asunto: [Elecraft] K3 and Alpha 87A SWR

Using the suggested 72" length of coax between my K3 and my 87A the SWR is
one bar on 20 and 15 meters, 2 bars on 40 meters, 3 bars on 160 and 10 but
on 80 meters it is 6+ bars (about 2.5 to 1) which seems quite a  bit high.
I think I have gotten the display of "Hi SWR" at one point.   I have tried
other coax lengths and when 80 was ok then 10 meters was high.  

 

Anyone see the same thing and/or have any solutions/suggestions?

 

Thanks,

 

Mike W9RE

 

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