Fig. 5. (a) The derivative of the induced voltage at termination B when
the strike point is at P1 [Fig. 2(c)]. Curve 1: voltage calculated over finitely
conducting ground. Curve 2: voltage calculated over finitely conducting
ground by neglecting the propagation effects on the transients traveling along
the line. Curve 3: voltage calculated over finitely conducting ground by
neglecting the propagation effects on both the transients and fields. (b) The
derivative of the induced voltage at termination B when the strike point is at
P2 [Fig. 2(c)]. Curve 1: voltage calculated over finitely conducting ground.
Curve 2: voltage calculated over finitely conducting ground by neglecting the
propagation effects on the transients traveling along the line. Curve 3: voltage
calculated over finitely conducting ground by neglecting the propagation
effects on both the transients and fields