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
Condense Mail Headers

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

Print Reply
Content-Transfer-Encoding:
7bit
Sender:
For blind ham radio operators <[log in to unmask]>
Subject:
From:
John Miller <[log in to unmask]>
Date:
Fri, 28 Dec 2007 18:37:13 -0500
Content-Type:
text/plain; format=flowed; charset="iso-8859-1"; reply-type=original
MIME-Version:
1.0
Reply-To:
For blind ham radio operators <[log in to unmask]>
Parts/Attachments:
text/plain (93 lines)
Most of those motorized tuners were better than these relay tuners in 
radios. the external tuners with relays aren't too bad but the internal 
ones, I'd rather not have one at all.
----- Original Message ----- 
From: "Lou Kline" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, December 28, 2007 6:24 PM
Subject: Re: more G5RV stuff


> Hi Lou.
>
> I've used the TS440SAT and it is a much better tuner than most of the
> tuners being sold with radios today.  You really have to get an external
> tuner to get anything with as much range as the AT440 and AT450 auto 
> tuners
> had.
>
> 73, de Lou K2LKK
>
>
>
> At 02:22 PM 12/28/2007 -0500, you wrote:
>>Wow, that's surprising, Tom.  With the TS 440 i use the internal tuner 
>>which
>>will not be happy with anything above 1.5 to 1, and I can tune it with no
>>problem on 80, 60 40, 20 and 17.  But how are you taking your readings? If
>>you're using the LDG, the readings won't be accurate because the meter 
>>will
>>be between the rig and the antenna.  Lou
>>----- Original Message -----
>>From: "T Behler" <[log in to unmask]>
>>To: <[log in to unmask]>
>>Sent: Thursday, December 27, 2007 9:09 PM
>>Subject: more G5RV stuff
>>
>>
>> > Hi, all.
>> >
>> > Can someone tell me what an acceptable SWR picture would be for a 
>> > 102-foot
>> > G5RV antenna?
>> >
>> > I re-oriented my G5RV antenna today, by making the ladder-line run 
>> > pretty
>> > much vertically from the antenna feed-point at the top of my 35-foot
>>tower,
>> > to the coax that then goes into my shack from the base of the tower.  I
>> > checked the connections between the ladder-line and the coax feedline, 
>> > and
>> > they still seem to be good.
>> >
>> > My SWR's are a bit better, and the auto-tuners on both my IC746 and
>>Kenwood
>> > TS480 now tune the antenna on 40 meters (which I couldn't say before), 
>> > but
>> > the SWR's still seem quite high to me.
>> >
>> > On 40 meters, I get an SWR anywhere from about 5 to 1 down to about 4 
>> > to
>>1.
>> >
>> > The antenna has its best SWR readings on 20 meters, which you'd expect,
>>but
>> > even here, I can't get the SWR to go much below about 1.8 to 1 in the
>>center
>> > of the band.
>> >
>> > Again, at least now, the auto-tuners in both of my HF rigs will tune 
>> > the
>> > antenna, but I'm wondering whether it's even safe or wise to use the
>>antenna
>> > under these conditions.
>> >
>> > 73 from Tom Behler:  KB8TYJ
>> >
>>
>>
>>
>>
>>--
>>No virus found in this incoming message.
>>Checked by AVG Free Edition.
>>Version: 7.5.516 / Virus Database: 269.17.11/1201 - Release Date:
>>12/28/2007 11:51 AM
>
> Louis Kim Kline
> A.R.S. K2LKK
> Home e-mail:  [log in to unmask]
> Work e-mail:  [log in to unmask]
> Work Telephone:  (585) 697-5740
> 

ATOM RSS1 RSS2