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

bcarling at cfl.rr.com bcarling at cfl.rr.com
Mon Apr 1 19:24:29 EDT 2013


I know where you can get 25 feet of it for free in central Florida from someone who doesn't like it (grin!)

Best regards - Brian Carling AF4K


---- Al Klase <ark at ar88.net> wrote: 
> 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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