[OKDXA] Tower installation
D C _Mac_ Macdonald
k2gkk at hotmail.com
Wed Feb 24 16:47:42 EST 2021
I had an original Pro-67, a 30m dipole, and 15 el. 2m
vertical Yagi on a 60 foot un-guyed Universal tower and
turned it successfully with a Ham-M until the May 3,
1999 twister took everything including most of the house,
in-ground vinyl swimming pool, tower, all antennas and
8 vehicles.
HOWEVER, I would not do that again. I am going with a
Pro-57-B-30 at top of a 40 foot Universal tower, a 5 el. 6m
Yagi-Uda at 45 feet, a Cushcraft 40m shortened dipole at
50 feet, and Cushcraft 2m beam at 53 feet. I will use a
Tail Twister rotator this time mounted 12 feet down inside
the tower. Thrust bearing at about 32 feet will bear the
weight of the mast and antennas and the rotator will only
have to handle the torque of the antennas.
73 - Mac, K2GKK/5
Since 30 Nov 1953
Oklahoma City, OK
USAF (Retired) 61-81
FAA (Retired) 94-10
Cell 405-642-7337
________________________________
From: okdxa-bounces at mailman.qth.net <okdxa-bounces at mailman.qth.net> on behalf of Daniel Hileman <wo5wo73 at gmail.com>
Sent: Wednesday, February 24, 2021 11:40
To: Oklahoma DX Association <okdxa at mailman.qth.net>
Subject: Re: [OKDXA] Tower installation
Mosley Pro 67B ...12 sq ft.
Sent from my iPhone
> On Feb 24, 2021, at 11:33 AM, Jeff Martin <jeffmartin at valornet.com> wrote:
>
> Dan,
> How big is the 40 meter yagi? 2 elements is one thing, 3 or 4 elements is a whole different ball game... I have an old 2 element Cushcraft 40-2CD on the ground...
>
> Jeff - K5WE
>
> -----Original Message-----
> From: okdxa-bounces at mailman.qth.net [mailto:okdxa-bounces at mailman.qth.net] On Behalf Of Daniel Hileman
> Sent: Wednesday, February 24, 2021 10:11 AM
> To: Oklahoma DX Association
> Subject: [OKDXA] Tower installation
>
> Any suggestions on tower installers in the OKC area? I’m trying to make some decisions on station improvements, I’m thinking about a 70’ Rohn 25 tower with a 40m yagi, but if I can’t find someone with experience in the area it changes some of my decisions. Thanks!
>
> 73
> Dan WO5WO
>
>
>
> Sent from my iPhone
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