Carl..I have a question...perhaps I am dense (I suspect so) but at 2:18 you show the voltage distribution as being max positive voltage at the ends of the dipole (ie drawn to the right of the dipole).....shouldnt it be max positive on the top, for example, but on the bottom max negative voltage and thus drawn on the left of the dipole with a negative sign)? That is to say, the voltage max should be on the right at the top (as you have drawn it) but then on the bottom, the voltage max should be drawn on the left of the dipole to show that it is a negative?