[TowerTalk] bonding tower sections

K8RI K8RI-on-TowerTalk at tm.net
Mon Jun 25 15:36:08 PDT 2012

On 6/25/2012 6:26 PM, Gregg Seidl wrote:
> I have a 60 foot stick of Rohn 25 insulated from ground. I plan on using an Array Solutions AS-80 tuner to resonate the vertical on 75/80 and 160. I know I need to get slightly more height to make it work correctly so I'm planning on using a TV type mast in the top "pointy" section to get more height. My question is should I run a peice of 12 or 14 guage wire from the mast all the way to the tuner and bond it to each tower section? my worry is that the sections and top mast may not make a good connection. Any ideas would be great.
> Gregg K9KL
> _____________

The only spot that might be electrically weak would be the connection to 
the mast out the top, but even that is unlikely.  The galvanizing and 
tight fit where the legs telescope into the section above should not 
present a problem.  IIRC the mast is held in place with two 3/8" bolts 
which can rust. I have a flat plate top of both my 25G and 45G with 
thrust bearings. so I'm not really concerned even though I do run a half 
sloper for 160 on the 45G.


Roger (K8RI)

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