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Subject:
From:
Ed Malmgren <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Sat, 18 Sep 2010 07:43:40 -0600
Content-Type:
text/plain
Parts/Attachments:
text/plain (129 lines)
Gerry, I do about the same as you in the tuning department.  I use a Palstar 
2000 but use a R F A P 2000 for the S W R/power meter.  It's a bit slower 
than the auto jobs I think but enjoyable for me. 73
Ed  K7UC
----- Original Message ----- 
From: "Gerry Leary" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, September 18, 2010 5:59 AM
Subject: Re: auto antenna tuner


> If you have a LDG TW1 talking watt meter, you can do like I do, and that 
> is
> I use an old heath kit Tuner and do it manually.  It is easy and fun.  It
> reminds me of the old Viking 2 days.
> ----- Original Message ----- 
> From: "Steve Dresser" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, September 17, 2010 10:33 AM
> Subject: Re: auto antenna tuner
>
>
>> John,
>>
>> Do they have an interface for the TS2000?
>>
>> Steve
>>
>> ----- Original Message ----- 
>> From: "John Miller" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Friday, September 17, 2010 11:40
>> Subject: Re: auto antenna tuner
>>
>>
>>> The LDG tuners you can get an interface for and have for a long time, so
>>> you
>>> can hook it to the radio and use the tune button and it will drop the
>>> power
>>> and all.
>>> ----- Original Message ----- 
>>> From: "Steve Forst" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Friday, September 17, 2010 11:10 AM
>>> Subject: Re: auto antenna tuner
>>>
>>>
>>>> Steve,
>>>>
>>>> Well I did take a deep breath before ordering.   While I have never had
>>>> a lot of MFJ stuff, the stuff I've had over the years has all worked
>>>> fine.   I know others haven't been so lucky, but I've had this one over
>>>> 2 years with  no problems.
>>>>
>>>> I can't compare to the LDG since I've never owned one.   At the time of
>>>> purchase I did compare the specs for both.   The LDG had 6 meter
>>>> coverage, but I work very little 6M and no amp, so no big deal.   The
>>>> MFJ offered higher power (1.5K vs. 1K)  as well as the ability to
>>>> automatically lower rf drive and change to cw for tuning, while the LDG
>>>> required you to do all that manually.   The MFJ also had the amp relay
>>>> connections.   Of course LDG may have  something out today with more
>>>> features.
>>>>
>>>> Truth is, I've switched the MFJ and the Palstar manual tuner in  and 
>>>> out
>>>> of the system a number of times over the past 2 years.   Each has it's
>>>> benefits.   I would have loved a Palstar auto tuner, but too rich for
>>>> me.    The Palstar auto had a motor driven roller inductor and either 1
>>>> or 2 moter driven caps.    It just went out of production, but a new 
>>>> one
>>>> is coming soon, although I've not seen any specs on it.
>>>>
>>>> 73, Steve KW3A
>>>>
>>>> On 9/17/2010 10:25 AM, Steve Dresser wrote:
>>>>> Steve,
>>>>>
>>>>> How do you think your MFJ auto-tuner stacks up against LDG's AT-1000?
>>>>> I'm
>>>>> sure the MFJ is cheaper, but based on things I've heard about other 
>>>>> MFJ
>>>>> tuners, I wonder how reliable the internal components are.
>>>>>
>>>>> Steve
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "Steve Forst"<[log in to unmask]>
>>>>> To:<[log in to unmask]>
>>>>> Sent: Friday, September 17, 2010 10:05
>>>>> Subject: Re: auto antenna tuner
>>>>>
>>>>>
>>>>>> Butch,
>>>>>>
>>>>>> I have a MFJ-998 in the shack.  I'd give it a 4 out of 5 rating.   It
>>>>>> will handle 1500 watts, which is more then  my AL-80B or THP solid
>>>>>> state
>>>>>> amp will put out.  The problem I think you will find with  auto 
>>>>>> tuners
>>>>>> including the ones built into the radio is limited matching range due
>>>>>> to
>>>>>> the fixed values of L and C. You won't be able to load your
>>>>>> grandmother's walker on 40 meters.
>>>>>> It has a ton of memories and up and down L and C buttons so you can
>>>>>> find
>>>>>> a match manually if the auto function can't.   An optional 20$ cable
>>>>>> will interface to many rigs, and when connected this way hitting the
>>>>>> auto tune button on the rig bypasses the internal tuner, puts the rig
>>>>>> into cw mode at low power for the tune  process, then returns to
>>>>>> original mode and   power when tuning is complete.  If the amp relay
>>>>>> jacks on the tuner are connected between the amp and radio,  the amp
>>>>>> will be bypassed during tune up.   This relay is also supposed to
>>>>>> prevent the amp from keying in the event of a high swr, but I can't
>>>>>> say
>>>>>> that I've really  tested this function fully.
>>>>>>
>>>>>> There are some menus for which sighted help would be needed, but they
>>>>>> are the set it and forget it type of stuff.   Things like swr point 
>>>>>> at
>>>>>> which it should  start looking for a better match, and swr point for
>>>>>> the
>>>>>> amp relay to bypass the amp.
>>>>>>
>>>>>> 73, Steve KW3A
>>>>>>
>>>
>>
> 

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