> I was always instructed by an Elmer to cut the dipole
> long and then use a tuner to tune the higher part of
> the band. Others have instructed me to cut the dipole
> for about 100 Khz up from the bottom and get as much
> use as possible (not quite possible on 80 or 75
I set mine for the middle of the areas I want to use. On 80
meters I operate 3500 or so and around 3800. The middle is
around 3647 so I set lowest SWR about there.
>Another Elmer cautioned me to make sure I
> solder the ends of the dipole because the wire wrapped
> at the end acts as a inductor with a capacitor in the
> loop of the wire around the insulator which would make
> the resonate point different than calculated.
Well, maybe. I doubt you would notice that effect unless the
loop was larger than normal.
> another told me to build a large wire diameter dipole
> (out of RG58 or 59 or even RG8) to get some bandwidth.
It's significantly more weight effective to use two thin
wires spaced a few feet apart than one thicker conductor.
> So, with those comments that I have made...what do you
> do when working with dipoles to get them to the point
> where you get good bandwidth?
On 40, it isn't generally an issue.
On 80 I use a fan or "bow-tie" dipole made from a pair of
#16 wires. I space the wires a few feet at the open end.
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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