G term correction added on advice of Dr. Joseph Schumer. The
modified SCC term =G*SCC. PIC simulations show that G is ~0.8 in a
"true" self-limited case.
Source: M. E. Savage, et al., "Time-resolved voltage
measurements in terawatt magnetically insulated transmission lines", Rev.
Sci. Inst., Dec.1990, Vol.61, pp.3812-3820