[K3CAL] Help with an antenna project
Thomas Rozenbroek
kb2bcg at arrl.net
Fri Jul 3 18:17:00 EDT 2015
Brain, Dick, and the group.
Thanks for the insight and responses.
I agree with the 36 inch depth for a frost line and was also thinking 24
inches was about right.
Off the Home Depot for sakrete and pipes, now that I know what I need.
73s
kb2bcg
-----
On 7/3/2015 4:26 PM, KB3WFV via K3CAL wrote:
> Tom
>
> I figure that antenna to be much like a flag pole.
> So I googled "how much concrete for a flag pole"
>
> And came up with this
>
> http://www.admiralflagpoles.com/resources_instructions_residential_flag_poles.htm
>
> Looks to me a 30 foot pole needs a hole 36 inches deep and 24 inches in diameter
>
> Here is a link to sakrrete (the concrete in the bag folks) website with lots of calculators on it
>
> http://www.sakrete.com/
>
> Brian K
> KB3WFV
>
> --------------------------------------------
> On Fri, 7/3/15, Thomas Rozenbroek <kb2bcg at arrl.net> wrote:
>
> Subject: [K3CAL] Help with an antenna project
> To: "Calvert Amateur Radio Association - K3CAL" <k3cal at mailman.qth.net>
> Date: Friday, July 3, 2015, 10:43 AM
>
> 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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