quad.nec

zip contains tool for Antenna Modelling with examples

CM NEC Input File 2 element W7GQ 15m QUAD
CM ARRL Antenna Handbook 12-2,Freq stepped .05, 3 times, startingat 18.068
CM Scaled to 17 meters by GS=1.176, RP vertical pattern 0 to 90deg, 0 is up
CM GW is wire spec,tag#,#of segments,x,y,z end 1;x,y,z end 2
CM EX is excitation,0 is voltage source,tag#and source segment
CM CE is end comment card
CE
GW  1  20  1.51400  1.79100  10.00000   1.51400  -1.79100  10.00000 0.00200
GW  2  20  1.51400 -1.79100  10.00000   1.51400  -1.79100  13.58200 0.00200
GW  3  20  1.51400 -1.79100  13.58200   1.51400   1.79100  13.58200 0.00200
GW  4  20  1.51400  1.79100  13.58200   1.51400   1.79100  10.00000 0.00200
GW  5  20 -1.51400  1.86000  10.00000  -1.51400  -1.86000  10.00000 0.00200
GW  6  20 -1.51400 -1.86000  10.00000  -1.51400  -1.86000  13.72000 0.00200
GW  7  20 -1.51400 -1.86000  13.72000  -1.51400   1.86000  13.72000 0.00200
GW  8  20 -1.51400  1.86000  13.72000  -1.51400   1.86000  10.00000 0.00200
GS  0   0  1.17600
GE  0
GN  1   0   0    0  0.00E+00  0.00E+00  0.00E+00  0.00E+00 0.00E+00 0.00E+00
FR  0   3   0    0  18.0680   0.05000   0.00E+00  0.00E+00 0.00E+00 0.00E+00
EX  0   1  10    01  1.00E+00  0.00E+00  0.00E+00  0.00E+00 0.00E+00 0.00E+00
EN