interesting. I have always wondered given the idea of 1/2 wave verticals being "good for Dx" and requiring less of optimal ground (supposedly) why one cannot erect their EFHW vertically and see results? But if the EFHW is essentially a Hertzian antenna (horizontal dipole) I imagine like all dipoles it depends greatly on it's height above ground for performance. I still can't quit grasp how an antenna "knows" if it is vertical or not.. I mean I guess it's obvious looking at it visually, but why does a Vertical dipole not behave like a vertical with one radial? that said, does a vertical dipole tilted horizontally (i.e. typical dipole) behave differently? I think from what I have learned it all comes down to losses that happen to "lossy ground/earth", a term that still seems amorphous to me. Is this to say that if one were to install a grid of copper or lay down as much copper under a vertical AND a dipole, they would be "the same" in terms of radiation...? sorry OP, more questions than answers.