[ARRL-OK] Antenna tower expertise
Patrick Greenlee
patrick_g at windstream.net
Fri Mar 8 10:06:50 EST 2013
OOPS
My email is patrick_g at windstream.net
-----Original Message-----
From: Patrick Greenlee
Sent: Friday, March 08, 2013 8:52 AM
To: ARRL-OK at mailman.qth.net
Subject: [ARRL-OK] Antenna tower expertise
I am interested in installing some antenna towers and to date the only
install I have personally accomplished is a Hy-Gain Hy-Tower which was
intended to be ground mounted free standing on a cubic yard of concrete with
a plethora of radials. It is currently working well atop the roof ridge of
one of my all metal barns with no concrete involved, a custom base mount, a
4-way Phillystran guy system at the 24 ft level, and no radials.
As I hope to use these towers partly for ARES I thought it would make sense
to appeal for some Elmering here via this venue. I am refurbishing a
crank-up/tilt-over tower comprised of 2 each 20 ft sections and as a
separate project will be repurposing the bottom two 20 ft sections of what
was a 100 ft tower (over 14 feet leg to leg) that originally held a wind
generator (prior to being destroyed by gyroscopic forces not adequately
allowed for in its design.) I hope to use the HD 40 ft tall by 14+ bottom
sections as the base on which to mount yet another crank-up tower.
I will start recovering the big base 40 footer this coming Monday by
clearing decades of brush and trees currently intertwined in the lower X
braces. I would appreciate any advice I can use as I have only climbed
towers and never installed any other than as mentioned above. Of special
interest are thoughts on piers to secure the legs of the 40 ft X 14+ foot
bottom section. Two of its legs are attached to their respective piers via
pivots so the tower can be tilted up and down. I intend to disassemble the
tower from the top down with air driven impact tools and after cleaning and
painting will assemble it on the ground to be tilted up.
Ib m not entirely familiar with the appropriate b
netiquetteb
here but will
solicit direct emails until or unless advised otherwise by competent
authority,
73 and thanks in advance for any consideration,
Patrick AF5CK
______________________________________________________
___________________ Information __________________________
ARRL Oklahoma Section Manager - Kevin O'Dell, N0IRW n0irw at arrl.org
Oklahoma Section Web page http://www.arrl.org/Groups/view/oklahoma
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