SYMBOL DICTIONARY This list of symbols is specifically for the ASAP version of ThinWire. All original version symbols are used exactly, but more symbols have been added, mostly as needed for the reflection coefficient calculation found in the ASAP version. A characters of the input data cards ABAP backscattering phi plane angle for plotting ABBT backscattering theta plane angle for plotting ABIP bistatic scattering phi plane angle for plotting ABIT bistatic scattering theta plane angle for plotting ACSP absorption cross section for phi polarization ACST absorption cross section for theta polarization APFP far-zone phi plane angle for plotting APFT far-zone theta plane angle for plotting AM radius of the thin wire of the structure BM outer radius of the dielectric shell of the insulation of the wire C elements of the open-circuit impedance matrix CG branch currents for the structure CGD cosh yd for a given segment CJ loop currents for the structure CMM conductivity of the wire D length of a given segment ECSP extinction cross section for phi polarization ECST extinction cross section for theta polarization EFF radiation efficiency EP loop currents induced by a phi polarized wave EPP phi-polarized far-zone feild of the dipole mode EPPS scattered electric field in the phi direction due to a phi polarized wave EPTS scattered electric field in the theta direction due to a phi polarized wave EP2 complex permittivity of insulation EP3 complex permittivity of ambient medium EP4 complex permittivity of ground ERR EP4/EP3 ER2 relative dielectric constant of insulation ER3 relative dielectric constant of the ambient medium ER4 relative dielectric constant of the ground ET loop current induced by a theta polarized wave ETA intrinic impedance of ambient medium ETPS scattered electric field in the phi direction due to a theta polarized wave ETT theta polarized far-zone field of the dipole mode ETTS scattered electric field on the theta direction due to theta polarized wave EX near-zone electric field in x direction EY near-zone electric field in y direction EZ near-zone electric field in z direction EO 8.859E-12 FHZ frequency in hertz FMC frequency in megahertz GAM intrinic propagation constant of the ambient medium GG time-average power input GPP power gain associated with the phi polarized component GTT power gain associated with the theta polarized component HGT height of the structure above ground plane IA first node of a given segment IB second node of a given segment IBISC indicator for bistatic scatter calculations ICARD indicator for the data cards ICJ dimension corresponding to the number of simultaneous linear equations IFLAG indicator for program termination IGAIN indicator for antenna gain calculations IGRD indicator for presence of the ground plane INC indicator for the type of far-zone calculations INEAR indicator for near-zone calculations INM dimension corresponding to the number of monpoles INC number of integration steps ISC indicator for the insultion ISCAT indicator for backscatter calculations IWR indicator for current distribution output Il endpoint node of a given dipole I12 indicator for auxiliary matrix I2 terminal node number of a given dipole 13 endpoint node number of a given dipole JA first segment number of a given dipoile JB second segment number of a given dipole KFLAG print indicator KGEN list of generator/feed locations LOAD indicator for structure load LZD list of impedance/load locations MAX maximum of the number of segments connected to any one given node MD list of dipoles sharing a given segment MIN minimum of the number of segments that connected to any one given node MSG indicator for error printout N number of simultaneous linear equations ND total number of dipoles sharing a given segment NGEN indicator for antenna calculations NM number of segments NPL indicator for polar plot OMEGA angular frequency PH phi angle for far-zone calculations SCSP scattering cross section for phi polarization SCST scattering cross section for theta polarization SGD sinh yd of a given segment SIG2 conductivity of insulation SIG3 conductivity of the ambient medium SIG4 conductivity of ground SPPM echo area phi incident-phi scattered wave SPTM echo area phi incident-theta scattered wave STPM echo area theta incident-phi scattered wave STTM echo area theta incident-theta scattered wave TD2 loss tangent or the Insulation TD3 loss tangent of ambient medium TH theta angle for far-zone calculations TP 2*PI (6.28318) UO 1.2566E-6 VG 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 of the wire Zll antenna input impedance