[TowerTalk] SteppIR gain - Two Feed Lines

[Tom Rauch]

> > Two feedlines to the SteppIR is not a bad idea, but
> > would take some engineering.  Have one fiberglass
> > tubes for 40 through 10 on the driven element and two
> > reels for belerium copper strips in two different
> > reels.  When you go to 40 meters....the usual beam
> > strips would go all the way in...and then the 40 to 10
> > dipole goes out from a different set of reels out the
> > same fibreglass tube using a different feedline.
>
> Interesting to contemplate ... more difficult mechanically
> and more expensive than a relay to switch the matching
> transformer which SteppIR have rejected because of
> concerns with reliability.


There is almost always some simple combination of lumped
components that would transform impedance up or down on 40
without affecting higher bands. Often it is just one
component.

73 Tom