When I considered what I could build for a single multiband antenna that would
fit on the apartment roof and reading as many sources of info I could,
including Maxwell, W2DU, I made a 132' doublet fed with 450 ladder line. I
later changed it to open wire with 4" spacing. It works very well on 80-6
meters, tuned with my 238 tuner. I do use a Balun Designs 4:1 "tuner balun"
just outside the house with 10 ft of RG-213.
Here are 3 sources for open wire line, there may be others. I built the first
because I had most of the parts.
I think the True Ladder Line product probably makes the most sense based on
price/effort, etc.
Andy K9ARM
http://www.youtube.com/watch?v=qzFKGB6qkXs
http://www.trueladderline.com/
http://www.73cnc.com/product_p/ls100.htm
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