Szczepan Bia³ek wrote:
"The halve wave dipole has the two sources" means "dipole has visible
the both ends".

A 1/2WL dipole is a standing wave antenna.
Are you saying that the forward energy is one source
and the energy reflected from the ends is a second
source?
--
73, Cecil, IEEE, OOTC, http://www.w5dxp.com