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