The maker of the antenna is very good at responding to emails.
----- Original Message -----
From: "Steve Forst" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, May 04, 2015 10:17 AM
Subject: Re: Question about Auto Antenna Tuners
> Matt,
>
> If this is a open wire feed antenna you wouldn't want to make a feed
> line choke out of the openwire. If you had enough extra coax, you could
> wind one in the coax at the balun, although I doubt it would really
> help with your need to get more coverage on 80 meters.
>
>
> I still think an e-mail to the guy who builds this thing in New England
> may help. I understand he is pretty responsive. He may tell you to
> go ahead and get a tuner, or perhaps tweak the feedline length to get
> what you want.
>
> Perhaps a ham friend has an external tuner he can bring over and you can
> see how it does in your situation. This is a pretty short antenna, and
> you may have to give up the top of the band to get the bottom.
>
> Another thought is an MFJ tuner extender, which goes into the feedline
> at the radio and has a knob that changes some value to make the
> internal tuner see a better situation down the feedline. I forget
> if it adds inductance, or capiticance, or whatever. Some on the list
> have had success with this unit, others not so much.
>
> I've been running an MFJ 998 high power auto tuner for about 8 years
> with no problems with up to a kw output.
>
>
> 73, Steve KW3A.
>
>
> On 5/4/2015 9:23 AM, Matthew Chao wrote:
>> Hi, Steve. Am using an UltraLight (forgive the spelling) Junior with
>> a 4-1 balun. Would try to make an RF choke out of the feedline, but
>> barely have enough for a little bit of slack to account for wind. No
>> problems from about 3.8 up; it's below that where I have a
>> problem. Aside from that, everything from 3.8 or so and up seems to
>> work fine. Sure, I could probably get a tuner to get closer matches,
>> but not sure if it's worth the money.--Matt, N1IBB.
>>
>> At 02:43 PM 5/3/2015 -0400, you wrote:
>>> Matt,
>>>
>>> Nothing wrong with an external tuner. It will probably have a better
>>> matching range than the internal tuner, but isn't magic. Maybe contact
>>> the antenna builder and get his advice. Perhaps some tweaking of the
>>> antenna or feedline can save you the cost of a tuner.
>>>
>>> Do the other bands tune to your liking? Are you trying to go from
>>> 3.5 to 4.0 mhz? It may be a lot to ask of a 73 foot antenna, no matter
>>> what tuner is used.
>>>
>>> Good luck, Steve KW3A
>>>
>>> On 5/3/2015 12:28 PM, Matthew Chao wrote:
>>>> Hi, Folks. I have a TS480SAT which has a built-in auto tuner. Had
>>>> one of my ham buddies come over and test the setup he and his buddies
>>>> put up, an UltraLight Junior dipole strung between two trees and my
>>>> house. We noticed that on 3.550MHZ, we were getting 4-1 SWr, egen
>>>> though the antenna can go down that far - 80-10 meters. Above
>>>> 3.8MHZ, the antenna tunes up.
>>>>
>>>> My question is: if I buy an external auto tuner, will I have more
>>>> flexibility in getting a match. Are the the built-in tuners mor
>>>> limited than the external ones? And what accessible tuner would you
>>>> recommend if there is a difference?Thanks in advance.--Matt, N1IBB.
>>>>
>>>>
>>>>
>>
>>
>>
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