Bill
The TX455 footing should be fine. Not sure what is on that footing to pick up
the base plate of the Hy-Tower but an adapter plate can be fabricated to do the
job. I have had one since 1960 and still have that same antenna today, was my
Dad's antenna he bought new 60 years ago. Converted to the tilt over base plate
which yours will be since purchasing new. If you can hook up with John or
someone who can weld you will need 3 vertical tubes welded at the precise
locations to engage into the plastic molded base insulators. Would need to be a
3/8 to 1/2 inch thick steel plate that picked up the bolts/studs in your base
and had the 3 vertical tubes for the Hytower to engage onto. The Hytower is
only about 22 feet of sheet metal tower and the other 30 feet above that is the
80 meter whip. Doesn't need all that much footing depending on the soil
conditions. If you think you might want a tower again, the option to put the
Hytower somewhere on your lot that would work with a tower on the TX4
55 footing is realistic in that the adapter plate will be custom and cost a
few bucks. You could dig that relatively small Hytower footing yourself and the
cost you would pay for that adapter plate would more than pay for the concrete
etc.
Hope this help
Paul - W2NMI
----- Original Message -----
From: john nistico <electric911inc@hotmail.com>
To: Bill Ogden <ogden@us.ibm.com>, towertalk@contesting.com
Sent: Mon, 13 Jul 2020 17:16:38 -0400 (EDT)
Subject: Re: [TowerTalk] Hy-Tower base
Bill if you can get me the base templates I may be able to weld up something
for you
Get Outlook for iOS<https://aka.ms/o0ukef>
________________________________
From: TowerTalk <towertalk-bounces@contesting.com> on behalf of Bill Ogden
<ogden@us.ibm.com>
Sent: Monday, July 13, 2020 4:17:21 PM
To: towertalk@contesting.com <towertalk@contesting.com>
Subject: Re: [TowerTalk] Hy-Tower base
I am contemplating buying a Hy-Tower (AV-18HT) but would like to mount it
on an existing concrete pad. This pad held a TX-455 until recently, is in
good shape, and is certainly large enough. Has anyone done something like
this? How to adapt the Hy-Tower base to an existing concrete pad? As
expected, I had no response from MFJ/hy-gain when I sent them the question
and the Hy-Tower product manual is not very helpful.
Bill
W2WO
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