The electromagnetic radiation due to a pulsed traveling wave current along a polygon wire structure located above a lossless half‐space is investigated. The Cagniard‐de Hoop technique with polar variables is used in order to derive closed form expressions for the electric field in the two‐media configuration. Numerical results for the electric field above a lossless half‐space are presented for a four wire polygon structure in which a known traveling wave current is