helix145.nec

zip contains tool for Antenna Modelling with examples

CM 1\4 lamda GP with helix L in the feeding point
CE
GW 1 1 -.01319  .005172  .026293 -.012414 -.005172  .029655  .001
GW 2 1 -.012414 -.005172  .029655 -.004914 -.012414  .032931  .001
GW 3 1 -.004914 -.012414  .032931  .004914 -.01319  .037845  .001
GW 4 1  .004914 -.012414  .003276  .01319 -.005172  .00819  .001
GW 5 1  .01319 -.005172  .00819  .01319  .005172  .01319  .001
GW 6 1  .01319  .005172  .01319  .004914  .012414  .018103  .001
GW 7 1  .004914  .012414  .018103 -.004914  .012414  .021379  .001
GW 8 1 -.004914  .012414  .021379 -.01319  .005172  .026293  .001
GW 9 1 -.011552  .005172  .062586 -.011552 -.005172  .0675  .001
GW 10 1 -.011552 -.005172  .0675 -.004914 -.012414  .074052  .001
GW 11 1 -.004914 -.012414  .074052  .004914 -.012414  .078966  .001
GW 12 1  .004914 -.01319  .037845  .011552 -.005172  .042759  .001
GW 13 1  .011552 -.005172  .042759  .011552  .005172  .047759  .001
GW 14 1  .011552  .005172  .047759  .004914  .012414  .052672  .001
GW 15 1  .004914  .012414  .052672 -.004914  .012414  .057586  .001
GW 16 1 -.004914  .012414  .057586 -.011552  .005172  .062586  .001
GW 17 1 0.0 0.0 0.0  .004914 -.012414  .003276  .001
GW 18 1  .004914 -.012414  .078966  .01 -.005  .085  .001
GW 19 1  .01 -.005  .085 0.0 0.0  .09  .001

sy len=.446
GW 20 21 0.0 0.0  .09 0.0 0.0 len .001
GE 1
LD 5 0 0 0 25000000
GN 3 0 0 0 13  0.005 0.0 0.0
FR 0 1 0 0 435 1
EX 0 17  1  0  1.0 0.0
EN