> On Sun, 22 Mar 2009, Jeff DePolo wrote:
> > Wait. You're saying that a center-fed dipole has a major
> lobe that's
> > not exactly perpendicular to the element? Something's amiss.
>
> It's a theoretical antenna over a real ground. In free space,
> the lobes
> are closer to zero, but even over a perfect ground, there will be
> interaction effects due to the waves bouncing off of the ground.
Free space doesn't have a ground. Can you disable ground altogether and see
what the gain and pattern is?
> > Something has to be wrong here. 12.44 dBi of net gain for a 4-bay?
> > What is the element spacing? Or does that include azimuth
> gain due to
> > the mount pipe?
>
> No losses. Element spacing is one wavelength at 145MHz.
What does it give you for the gain of a single half-wave dipole with no
ground or support structure?
> MMANA-GAL (it's free, runs on Windows). I'd be happy to post
> the file if
> anyone wants to compare it.
Not familiar with it. What code base is it based on?
--- Jeff
