[Boatanchors] The 100-foot Doublet - was Antenna Question

[David C. Hallam]

There was (is still?) a KW version of 300 ohm TV twin lead available. 
Back in the 60's and early 70's I used it on a number of wire beams. It 
is smaller, about the same width as the regular stuff but thicker and I 
believe had copper clad steel wire. If it is still around, it might be a 
candidate too if you want something around 300 ohm.

David
KW4DH

On 3/31/2013 4:45 PM, Al Klase wrote:
> You can use 300-ohm TV twin lead up to a couple hundred watts. The 
> 450-ohm "window" line should tolerate most of a full gallon. Start 
> with some extra length. The excess can be hung up in a loose coil away 
> from metal objects. Be prepared to cut off a few feet if you have 
> trouble matching all bands. It might be reasonable to keep an extra 
> piece of feedline handy for extreme cases. I terminate my balanced 
> line with dual-banana plugs. This makes it easy to change connections 
> or plug the line into a grounded jack when not in use. 

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