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

Al Klase ark at ar88.net
Mon Apr 1 18:38:51 EDT 2013


It's cheap and easy.  Insulated.  Finds it's way into the shack easily. 
   Works OK. - Al

On 4/1/2013 6:31 PM, Rob Atkinson wrote:
> I don't understand the interest in the 300 ohm and 450 ohm window line
> feed.  Why is it preferable to 600 ohm or even higher Z line?
>
> The higher Z line is more stable under varying wx, handles more v. and
> current and usually has a lower vswr on it because its characteristic
> Z is often closer to the dipole feedpoint Z except on the 1/2 wave
> frequency.  It also has a higher Vf and lower loss.
>
> 73
>
> Rob
> K5UJ
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/



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