TD2        loss tangent or tse Insulation
TD3        loss tangent of ambient medium
TH         theta angle for far-zone calculations
TP         2n (6.28318)
UO         1.2566E-6

YG         antenna complex driving voltages
VOLT       list of VG's

X          x-coordinate of each node

XNP        list of XP's
XP         x-coordinate for near-zone calculations
Y          y-coordinate of each node
YNP        list ofYP's
YP         y-coordinate for near-zone calculations
Y11        complex power input
Z          z-coordinate of each node

ZLD        complex load at a given node
ZLLD       list of ZLD's

ZNP        list of ZP's
ZP         z-coordinate for near-zone calculations
ZS         surface impedance ofthe wire
Zll        antenna input impedance