Topband: Ideas for xmit antennas for new QTH in KH6

[Douglas Ruz (CO8DM)]

Hi,

Read this article written by Rudy, N6LF:

http://rudys.typepad.com/ant/files/antenna_array_single_support.pdf

Maybe you can find your solution.

GL,

73....Douglas, CO8DM / T49A
Founder of T48K

"No creo que haya alguna emoción más intensa para un inventor que ver alguna 
de sus creaciones funcionando. Esa emoción hace que uno se olvide de comer, 
de dormir, de todo." - Nikola Tesla
----- Original Message ----- 
From: "Cqtestk4xs--- via Topband" <topband at contesting.com>
To: <topband at contesting.com>
Sent: Wednesday, December 09, 2015 5:34 PM
Subject: Topband: Ideas for xmit antennas for new QTH in KH6


> Next year I'll be building a new home and station in  Hawaii.
>
> 40 through 6 meters is already set in stone, but 80 and 160 are  still
> cloudy.
>
> Here's the setup:
>
> I'm allowed one tower maximum 90 ft.  The tower will be 90 ft  of Rohn 55
> using a K0XG rotating system with two rings.  It will be guyed  using
> fiberglass guys.  There will be a bunch of HF VHF stuff on the  tower. 
> Three
> tribanders, two 12/17 meter Yagis, a 40 meter Yagi and way  down on the 
> bottom
> two 6 meter antennas.
>
> The tower sits on VERY uneven ground.  Although the lot   measures 12
> acres, I am using only the top three and renting out the rest of the  land 
> to a
> farmer to keep taxes from being crazy high.
>
> The ground is pure alluvial red fine particle soil (no stones) and  has a
> depth of about 6 feet before hitting rock. Since the east side of  Hawaii
> gets at least 100 inches of rain a year it is usually pretty  moist.  I 
> would
> assume the soil is at least average or better in  conductivity.  I can run
> ropes, wires etc off the tower at the 80 and 40  foot guy points, but can 
> not
> connect directly to the tower since the tower  rotates.  The is no room 
> for
> a rotating dipole on the tower for  80.
>
> I've used quad triangle loops before with the pointed end on the  bottom
> suspended by wires and am leaning towards that since the ground is so 
> uneven
> and the terrain difference would be a real negative for a 4 square (I
> think).
>
> On 160 I'm leaning toward a wire vertical suspended from a rope  coming
> from the tower which would make the antenna about 65 or 70 feet tall and 
> to
> compensate for that I would make it a T-top.
>
> For rx I have lots of room to run a 700 -900 Beverage to JA and  another 
> to
> EU/USA direction, so that isn't a problem.
>
> I do need suggestions for my 80 and 160 tx situation.  Any  ideas?
> _________________
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