[K3CAL] Help with an antenna project

Richard Terlisner rterlisner at gmail.com
Fri Jul 3 15:24:16 EDT 2015


I'll do some checking on what I have.  My initial guess is at least 3 feet
deep to get below the frost line to prevent heaving.  Diameter would depend
on the size of the footprint.

Dick Terlisner
N3VKW
On Jul 3, 2015 10:44 AM, "Thomas Rozenbroek" <kb2bcg at arrl.net> wrote:

> Good Morning,
>
> Thank you for an enjoyable field day experience.  Between the good
> friends, good foods and good contesting, it was an enjoyable weekend.
>
> Getting back to ham radio, I am putting up a Cushcraft R9 at the home
> QTH.  I plan to put the R9 on top of roughly 12 foot high mast with a
> concrete base.  After checking the web, the ARRL website and the
> instructions that came with the antenna, I still can not find any
> information on how large to make the concrete base.  Because of where the
> antenna will be placed, I am not expecting to guy it.  The location is
> fairly well shielded from high cross winds.  However, if need be I will add
> a horizontal support off of a balcony that is about 20 feet above grade.
>
> If anyone has any thoughts on the size of the concrete base or can direct
> me to where I can get information on how large it should be, it would be
> appreciated.
>
> 73s,
>
> kb2bcg
> -----
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