[TenTec] What makes the 238 good or any other tuner good?

[Denton]

Have any details on the homebrew tuner?
----- Original Message ----- 
From: "Randy Russe3ll" <lord_russell53 at yahoo.com>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Wednesday, January 18, 2006 12:18 PM
Subject: Re: [TenTec] What makes the 238 good or any other tuner good?


> Palstar tuners are the best tuners currently
> manufactured on the commercial market. The 1500cv is a
> T compared to your previous L's.  When you compare the
> two on your windom, which by design stays relatively
> low in swr range for multi-band use, you might not see
> the difference or advantage.  Have you tried comparing
> the two on any Hi-Z loads? Or low Z loads? Maybe you
> would see a bit more of a difference.  Have no
> experience with the T type myself.  Currently use a
> Johnson Matchbox or another homebrew Kilowatt link
> coupled balanced design I have. It's faster, I think,
> to just go too my cheat sheet numbers, hit the tune
> button on the Omni,  and operate, than it is to tune
> up an "L" anew each time. I'm able to get a 1:1 swr
> anywhere, on any band, with no baluns and the lowest
> loss possible from a tuner on my 140 foot dipole, 600
> ohm open wire feed.  Next time maybe try the Palstar
> 1500 Balanced tuner! 73s       
> 
> --- Rich McCabe <r.mccabe at 1967z28.com> wrote:
> 
>> I have been messing around with tuners. I currently
>> have a 238a and have 
>> owned a couple 238 (old style) as well.
>> 
>> I think I am spoiled and really did not know it. The
>> 238a has been a great 
>> tuner and I have no complaints. I guess its a little
>> bland looking, but 
>> thats not really its job is it?
>> 
>> Anyway, I got an itch and bought a new Palstar
>> 1500CV.
>> 
>> I use these on a Carolina Windom.  The 238 is broad
>> and easy to find a 
>> match.  The Palstar is a fair amount of work and
>> although I can find a 
>> perfect match, it only comes after lots of tweaking
>> between the input and 
>> output caps and roller inductor. You definitly need
>> a cheat sheet with the 
>> Palstar.
>> 
>> At first I could not understand why the Palstar had
>> a turns 
>> counter/reduction on the caps, but I know know its
>> so sensitive you would 
>> not be able to tune it otherwise.
>> 
>> So the question is...
>> 
>> What makes a good tuner? I have heard people talk
>> about "Q" when it comes to 
>> tuners.
>> 
>> I am sure the ability to easily tune and find a
>> match is one thing, but does 
>> that really mean that its a great tuner?
>> 
>> Right now, I from a tuning standpoint the Ten-Tec
>> wins hands down !  But is 
>> that all I should consider?
>> 
>> 73,
>> 
>> Rich
>> kd0zv
>> 
>> 
>> _______________________________________________
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>> 
> 
> 
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