[K3] Auto-Tuner Recommendations...

[Phil Hystad-3]

I am waiting for the KAT500 like many others but I may still want to buy an auto tuner for my K3 now if the KAT500 is a ways off.  Actually, I may even want two auto-tuners (or, maybe not).  But, I also have my backup rig, an Icom 756 Pro III plus Icom PW-1 for any SSB I do with power.  So, an auto-tuner hefty enough for a 1 KW signal might be useful.

Alternatively, if the quality is good and the price reasonable (under $500) I might consider a 100 to 200 watt class auto-tuner.

The Palstar AT-Auto is expensive and sophisticated but I hear that it does not work with the K3 (at least, I work in the fashion expected).  I know of the MFJ auto tuner too but I am not sure how that works with the K3 so I am looking for any users out there in K3-land who might comment.

73, phil, K7PEH

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[Doug Person]

I really prefer the LDG tuners over the MFJ.  I have several and they
all work well. I also have an MFJ tuner so my comparison is based on
side-by-side operation.  Right now, I have the AT-600Pro in line with
the K3/100 and the the Ameritron ALS-600. I have very good results
running into a 160 feet doublet fed with good quality 300 ohm twinlead.  
I have a DX Engineering 1:1 current balun inline after the tuner.  This
is a very effective setup.

73, Doug -- K0DXV

On 3/20/2011 10:33 AM, Phil Hystad wrote:

> I am waiting for the KAT500 like many others but I may still want to buy an auto tuner for my K3 now if the KAT500 is a ways off.  Actually, I may even want two auto-tuners (or, maybe not).  But, I also have my backup rig, an Icom 756 Pro III plus Icom PW-1 for any SSB I do with power.  So, an auto-tuner hefty enough for a 1 KW signal might be useful.
>
> Alternatively, if the quality is good and the price reasonable (under $500) I might consider a 100 to 200 watt class auto-tuner.
>
> The Palstar AT-Auto is expensive and sophisticated but I hear that it does not work with the K3 (at least, I work in the fashion expected).  I know of the MFJ auto tuner too but I am not sure how that works with the K3 so I am looking for any users out there in K3-land who might comment.
>
> 73, phil, K7PEH
>
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[Poul Erik Karlshøj (PKA)]

The K3 ATU is not always stopping at the optimum LC combination.

However, it does not stop too far off. In some cases (rainy weather) I have noticed that it stops at SWR=1,4 even when there is an LC combination giving SWR=1,0.
I don't see it as a big problem. But it is annoying when using remote control, if the RC program is not showing SWR very well (this may be the case when using HRD over remote desktop)
73, Poul-Erik OZ4UN

-----Oprindelig meddelelse-----
Fra: [hidden email] [mailto:[hidden email]] På vegne af Doug Person
Sendt: 20. marts 2011 18:29
Til: [hidden email]
Emne: Re: [Elecraft] [K3] Auto-Tuner Recommendations...

I really prefer the LDG tuners over the MFJ.  I have several and they all work well. I also have an MFJ tuner so my comparison is based on side-by-side operation.  Right now, I have the AT-600Pro in line with the K3/100 and the the Ameritron ALS-600. I have very good results running into a 160 feet doublet fed with good quality 300 ohm twinlead.  
I have a DX Engineering 1:1 current balun inline after the tuner.  This is a very effective setup.

73, Doug -- K0DXV

On 3/20/2011 10:33 AM, Phil Hystad wrote:

> I am waiting for the KAT500 like many others but I may still want to buy an auto tuner for my K3 now if the KAT500 is a ways off.  Actually, I may even want two auto-tuners (or, maybe not).  But, I also have my backup rig, an Icom 756 Pro III plus Icom PW-1 for any SSB I do with power.  So, an auto-tuner hefty enough for a 1 KW signal might be useful.
>
> Alternatively, if the quality is good and the price reasonable (under $500) I might consider a 100 to 200 watt class auto-tuner.
>
> The Palstar AT-Auto is expensive and sophisticated but I hear that it does not work with the K3 (at least, I work in the fashion expected).  I know of the MFJ auto tuner too but I am not sure how that works with the K3 so I am looking for any users out there in K3-land who might comment.
>
> 73, phil, K7PEH
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net Please help support this email
> list: http://www.qsl.net/donate.html
>

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