On Sunday, January 18, 2015 at 4:08:31 PM UTC-6, Bruno wrote:
On Sun, 18 Jan 2015 21:28:07 +0000, jimp wrote:

Verticals; if you have a lot of area, phased vertical arrays.

Aren't verticals more inclined to generate interference?
BTW, my plot is 120' by 90' so I think an array at HF will be impossible.
The feed point will be pretty much central to the plot, though.

I would probably string up parallel coax fed dipoles and have them at
the low height. IE: 18-20 feet off the ground if that's all you can do.
They will still work fairly well overall. Say if you can stick a short
1-2 ft stub mast on the roof, run dipoles from it, and feed with a single
coax for both bands. Run the legs out to wherever you can tie them off.
IE: trees, or short masts in the back yard/garden, etc.
Won't be a gang buster DX setup, but plenty good enough for general use.
With 40 and 20 dipoles, you would also have 15 meters, running the
40 legs. And you can feed more dipoles from the same coax if you
want more bands.
Using the coax as a feed line, no tuner required and low system losses.
And also no need to worry about laying out radials.