[Elecraft] KAT500 Tune Pblms

[Rick Bates]

I'm having similar issues but swapping the 1:1 common mode choke (balun) for a 4:1 will fix it for me. 

73,
Rick wa6nhc

Tiny iPhone 5 keypad, typos are inevitable

> On Sep 23, 2013, at 6:53 AM, Sam Morgan <k5oai.sam at gmail.com> wrote:
> 
> I have the same problem with my KAT500, mainly on 160m.
> My problem is my antennas sit on a 26'x150' apartment building roof and are to close together. I have done all the Choke/Balun fixes I could.
> 
> The fix for me is to get the antennas tuned using AUTO,
> then when I operate I switch to MAN. It seems to stop the random re-tunes caused by rf coming back into the shack on the other feedlines.
> 
> so I would suggest you first do all you can to choke of that stray rf then try in MAN and see if that helps with your particular situation.
> 
> 
> ymmv
> 
>> On 9/23/2013 8:35 AM, Sid Leben wrote:
>> Using my K3 and other Radios thru my KAT500 at powers under 100 watts, I have the following problem:
>> 
>> While transmitting at swr's under 1.5, the Tuner will go haywire & try to retune & go into the tune mode..
>> Lots of relay clattering….. I have to stop transmitting & go into normal tune mode & re-memorize the frequency.
>> Antennas are End Fed Zepps.
>> Thanks
>> Sid  KC2EE
> 
> -- 
> 
> GB & 73
> K5OAI
> Sam Morgan
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