Towertalk
[Top] [All Lists]

Re: [TowerTalk] Mystery tribander

To: "Roger K8RI on Tower" <k8ri-tower@charter.net>, <Wt8r@aol.com>,<towertalk@contesting.com>
Subject: Re: [TowerTalk] Mystery tribander
From: "Roger K8RI on Tower" <k8ri-tower@charter.net>
Date: Fri, 29 Apr 2005 04:24:05 -0400
List-post: <mailto:towertalk@contesting.com>
Oops! I added one too many elements, but I believe most of the manufacturers 
had the same sort of arrangement with two trapped elements and a seperate 
reflector for 10.

Roger Halstead (K8RI and ARRL 40 year Life Member)
N833R - World's oldest Debonair CD-2
www.rogerhalstead.com
Subject: Re: [TowerTalk] Mystery tribander


> Or it could be a Cushcraft ATB-34.
>
> How is the driven element attached to the boom?  If it fits into a
> cylindrical phenolic insulator it is *probably* the ATB34.  They normally
> used a balum but direct coax connections were not unusual with about a 10
> turn choke.  The line/balun was attached to the driven element of the
> ATB-34 with single 1/4-20 SS screw on each side which turned in to hold 
> the
> element, while  locking nuts and washers held the line/balun.   If that
> doesn't describeit, then it's not an ATB-34.
>
> HyGain made one as well, (TH-4 I believe). At any rate they also had one
> with three elements with traps and one single element used as a 10meter
> reflector.  So, although the antenna had 4 elements it really operated as 
> a
> three element on each band with better spacing for the 10 meter reflector
> had it been part of the longer reflector with traps.
>
> There are a lot of similarities between the various makes for this
> particular antenna, but each tended to use a slightly different method of
> feeding and mounting the drivern element.
>
> Roger Halstead (K8RI and ARRL 40 year Life Member)
> N833R - World's oldest Debonair CD-2
> www.rogerhalstead.com
>
>
>
>
>> In a message dated 4/28/2005 8:57:44 PM Central America Standard Tim,
>> c_hurlbut@adelphia.net writes:
>> Here is the problem.  It *looks* like it has 2 elements on 15 and 20,
>> and 3 elements on 10, the 3rd element being a non-trapped 10m only.
>> Does this sound familiar to anyone?
>> Sounds to me like my Mosley Classic CL-36 tribander.
>>
>> Dave, WT8R
>> _______________________________________________
>>
>> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
>> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with
>> any questions and ask for Sherman, W2FLA.
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>>
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 


_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk

<Prev in Thread] Current Thread [Next in Thread>