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Re: [TowerTalk] A3S

To: Wayne Kline <w3ea@hotmail.com>
Subject: Re: [TowerTalk] A3S
From: john nistico <electric911inc@hotmail.com>
Date: Sun, 29 Sep 2019 19:05:48 +0000
List-post: <mailto:towertalk@contesting.com>
I got away from trap less and tri banders all together 

Sent from my iPhone

> On Sep 29, 2019, at 12:45 PM, Wayne Kline <w3ea@hotmail.com> wrote:
> 
> Scott,
> 
>   I hate to trash a specific manufactured antenna  with 1000 of the A3S over 
> the world   there  a creature  of the past.
> 
> Stan hit the nail on the head .   the original  3 band trapless antenna Was 
> Tom’s N6BT   C-3 antenna   Small Light and easily fabricated.
> 
> There are other co’s have the same trapless  antennas   but coast $$$$
> 
> 
> 
> Wayne W3EA
> 
> 
> 
> 
> 
> 
> 
> Wayne ,
> 
> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10
> 
> 
> 
> ________________________________
> From: TowerTalk <towertalk-bounces@contesting.com> on behalf of Stan Stockton 
> <wa5rtg@gmail.com>
> Sent: Sunday, September 29, 2019 7:24:00 AM
> To: K9MA <k9ma@sdellington.us>
> Cc: towertalk@contesting.com <towertalk@contesting.com>
> Subject: Re: [TowerTalk] A3S
> 
> Scott,
> 
> Just my opinion, but even if your trapped Tribander had a good SWR and was 
> brand new instead of 27 years old, I think it would be wise to purchase some 
> aluminum tubing and build one from scratch with full sized elements and no 
> traps.  Commercially available as well at about triple the cost, the 
> performance and reliability will be much better than a trapped antenna.
> 
> 73... Stan, K5GO
> 
>> On Sep 28, 2019, at 9:52 PM, K9MA <k9ma@sdellington.us> wrote:
>> 
>> My 1992 A3S (original Cushcraft, not MFJ), was always strange on 15 meters. 
>> After taking it down, testing all the traps, and putting it back up, it 
>> seems even worse on that band, consistently 10-12 dB below the other 
>> tribander 20 feet above it. SWR is above 2:1 near the center of the band, 
>> well over 3:1 at 21.0. It works fine on 10 and 20. I've heard that the A3S 
>> has often had problems on 15. I've replaced, rebuilt, retuned, and tested 
>> all the 15m traps. (The MFJ replacement traps needed a lot of work.) There 
>> are no nearby metal guy wires or antennas. Has anyone seen similar problems 
>> and solved them? I'm about ready to scrap this antenna.
>> 
>> 73,
>> 
>> Scott K9MA
>> 
>> --
>> Scott  K9MA
>> 
>> k9ma@sdellington.us
>> 
>> _______________________________________________
>> 
>> 
>> 
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