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Re: [CQ-Contest] TH7 Replacement

To: Charles Harpole <hs0zcw@gmail.com>
Subject: Re: [CQ-Contest] TH7 Replacement
From: Stein-Roar Brobakken <post@lb3re.com>
Date: Mon, 7 Aug 2017 16:30:59 +0200
List-post: <mailto:cq-contest@contesting.com>
Hi
Just coat the end caps with 2 component epoxy primer/glue...

I did on several antennas to prevent UV ligth to break down the mechanical / 
plastic.

Best Regards,
Stein-Roar Brobakken
LB3RE K3RAG
www.lb3re.com



> Den 7. aug. 2017 kl. 04.21 skrev Charles Harpole <hs0zcw@gmail.com>:
> 
> For your situation, the Skyhawk will likely give similar performance but
> not quite the bandwidth.  How do the center drivens keep from banging
> together in wind?
> 
> Suggest you consider a long log periodic, gives more bands, is great for
> wide band scanning, ok rear and good side rejection.  A Stepper is off the
> table if you are worried about plastic end caps because Stepper's many
> parts cause lots more causes for worry.
> 
> GL, 73, former TH6 and then TH7 owner, Charly (now using monobanders)
> 
>> On Sun, Aug 6, 2017 at 2:48 PM, K9MA <k9ma@sdellington.us> wrote:
>> 
>> My 28 year old TH7 needs to come down for maintenance, and I'm told the
>> trap end caps MFJ now sells don't last long.  I also may be just a matter
>> of luck that no bugs have moved into any of the traps. So, I'd really like
>> to replace it with a trapless antenna.  The TH7 has served me well, having
>> last been put up in 1993. It needs to be replaced before I'm too old to
>> climb the tower!
>> 
>> Here are the requirements:
>> 
>> Performance comparable to TH7
>> Boom length 24 feet or less
>> No traps or fragile linear loading
>> Can be assembled on the tower (as was the TH7 in 1993.)
>> 
>> At this point, the Skyhawk appears to be my best option, at least of the
>> tribanders available in this country.  Any experience with the Skyhawk, or
>> other suggestions?
>> 
>> 73,
>> 
>> Scott K9MA
>> 
>> ----------
>> 
>> Scott Ellington
>> 
>> --- via iPad
>> _______________________________________________
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>> CQ-Contest@contesting.com
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>> 
> 
> 
> 
> -- 
> Charly, HS0ZCW
> _______________________________________________
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