There's some interesting ancient information including 2,4, and 6 wire
open lines (and MUCH other stuff) freely available here:
http://www.lulu.com/product/download/radio-antenna-engineering/188777
"Radio Antenna Engineering" by Edmund Laport.
It can be downloaded from that URL, or they can print a copy in book
form for around $20 IIRC.
(For whatever reason, I'm missing the original post, which is why I
replied to this one, Jim)
73,
Randy
KZ4RV
jimlux wrote:
> David J. Sourdis wrote:
>
>> I am looking for information on open wire lines. I want more than is
>> available on the Antenna Book or the one paragraph information on LBDXing
>> saying practically "better not". Maybe some hints a kinks, the A to Z on the
>> subject.
>>
>> Thanks for any information.
>>
>>
>
> Are you looking for equations for impedance? (There's the one equation..
> Z is approximately 276*log(ratio of diameter to spacing. There's a
> formula involving cosh(x) that is more exact. )
> http://www.rfcafe.com/references/electrical/transmission-lines.htm has
> lots of other configurations
>
> Construction details?
>
> Usage?
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