BLIND-HAMS Archives

For blind ham radio operators

BLIND-HAMS@LISTSERV.ICORS.ORG

Options: Use Forum View

Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
T Behler <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Fri, 14 Dec 2007 19:01:37 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (155 lines)
    Colin:

Well, I actually thought of getting a TW1 just for that purpose, but the 
turbo-tuner seems to have worked well so far at least with the Icom 718 I 
used in the motor home previously.

Will take it one step at a time, I guess, and see how things interface with 
the new TS480.

73 from Tom Behler:  KB8TYJ

----- Original Message ----- 
From: "Colin McDonald" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, December 14, 2007 6:38 PM
Subject: Re: ts480 question


> ah ok.
> If i were to use a screw driver antenna, i would just use a tw1 and use 
> the
> swr tone feature to get the lowest swr and just use the up and down switch
> to raise or lower the antenna.
> either way works i guess.
> but i would definitely say don't use the internal antenna tuner, its
> redundant and will cause more headache then not.
>
> 73
> Colin, V A6BKX
> ----- Original Message ----- 
> From: "T Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, December 14, 2007 3:42 PM
> Subject: Re: ts480 question
>
>
>>     Colin:
>>
>> The turbo-tuner helps me tune the screw-driver to resonance by stopping
> the
>> antenna on its upward or downward ttravel when resonance is reached.
>>
>> I could tune the antenna manually with the up-down switch that is
> provided,
>> but have no way of knowing where exactly I am.  That's why the 
>> turbo-tuner
>> is helpful.  It stops the antenna when a 1.5 to 1 or less SWR is reached.
>>
>> And, yes, I do occasionally use the screw-driver on 80 meters, and have a
>> 102-inch whip for that purpose.
>>
>> Not a perfect system to be sure, but it gets me out on 20, 40, and 80.
>> Still am having trouble tuning the antenna on 10 and 15 meters, but I
> think
>> that's because it's interacting with something on the RV frame.
>>
>> Will try more grounding to deal with that problem.
>>
>> 73 from Tom Behler:  KB8TYJ
>>
>>
>>
>> ----- Original Message ----- 
>> From: "Colin McDonald" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Friday, December 14, 2007 4:22 PM
>> Subject: Re: ts480 question
>>
>>
>> > You probably don't want to use two tuners.
>> > For various reasons, but your turbo tuner should tune the screw driver
> to
>> > a
>> > flat match.
>> > You lose power through the radios internal tuner, and through an
> external
>> > tuner, so adding the internal tuner will just limit your out going rf
> that
>> > much more.
>> > And since your mobile with a small antenna, the more rf you can get out
> to
>> > the antenna the better.
>> > I thought the screw driver was self tuning from 2M to 40M?
>> > if so then why the need for  a tuner? are you wanting to work 80M as
> well?
>> > 73
>> > Colin, V A6BKX
>> > ----- Original Message ----- 
>> > From: "T Behler" <[log in to unmask]>
>> > To: <[log in to unmask]>
>> > Sent: Friday, December 14, 2007 11:26 AM
>> > Subject: ts480 question
>> >
>> >
>> >> Hi, all.
>> >>
>> >> Well, I am anxiously awaiting the arrival of my TS480, and just 
>> >> thought
>> >> of
>> > a
>> >> question I could use some help with.
>> >>
>> >> I'll do my best to verbalize this question in a way that hopefully 
>> >> will
>> > make
>> >> sense.
>> >>
>> >> As you may recall, I'm going to use the TS480 as my main HF rig in our
>> > motor
>> >> home.  I have a Predator screw-driver-type antenna on the back of the
>> > motor
>> >> home, and I use something called a Turbo-tuner, made by N2VZ 
>> >> Enterprise
>> >> to
>> >> tune the screw-driver for resonance on my chosen operating frequency.
>> >>
>> >> The Turbo-tuner is interfaced with the Ts480 via two cables--one is an
>> > RS232
>> >> cable which goes to the front of the radio, and the other is a cable
> that
>> >> connects to the AT port on the back of the rig.
>> >>
>> >> I am wondering if connecting the turbo-tuner in this way will
>> > automatically
>> >> disable the auto-tuner in the TS480.  Or, can the auto-tuner still be
>> >> used
>> >> to further "fine tune" the antenna once it has been tuned by the
>> >> turbo-tuner.
>> >>
>> >> Thanks, and 73 from Tom Behler:  KB8TYJ
>> >>
>> >>
>> >>
>> >> -- 
>> >> No virus found in this incoming message.
>> >> Checked by AVG Free Edition.
>> >> Version: 7.5.503 / Virus Database: 269.17.2/1184 - Release Date:
>> > 12/14/2007 11:29 AM
>> >>
>> >>
>> >
>> >
>>
>>
>>
>> -- 
>> No virus found in this incoming message.
>> Checked by AVG Free Edition.
>> Version: 7.5.503 / Virus Database: 269.17.2/1184 - Release Date:
> 12/14/2007 11:29 AM
>>
>>
>
> 

ATOM RSS1 RSS2