logper.nec

zip contains tool for Antenna Modelling with examples

CM TESTEX5
CM 12 ELEMENT LOG PERIODIC ANTENNA IN FREE SPACE
CM   78 SEGMENTS.     SIGMA=O/L       RECEIVING AND TRANS. PATTERNS.
CM DIPOLE LENGTH TO DIAMETER RATIO=150.
CM TAU=0.93.    SIGMA=0.70.     BOOM IMPEDANCE=50. OHMS.
CM
CM Gain pattern is calculated at 26 frequencies, from 20 to 70 MHz.
CE
GW  1   11   0.0000    -1.0000   0.0000000 0.00000   1.0000    0.000    .00667
GW  2   11   -.7527    -1.0753   0.        -.7527    1.0753    0.       .00717
GW  3   11   -1.562    -1.1562   0.        -1.562    1.1562    0.       .00771
GW  4   13   -2.4323   -1.2432   0.        -2.4323   1.2432    0.       .00829
GW  5   13   -3.368    -1.3368   0.        -3.368    1.3368    0.       .00891
GW  6   15   -4.3742   -1.4374   0.        -4.3742   1.4374    0.       .00958
GW  7   15   -5.4562   -1.5456   0.        -5.4562   1.5456    0.       .0103
GW  8   15   -6.6195   -1.6619   0.        -6.6195   1.6619    0.       .01108
GW  9   17   -7.8705   -1.787    0.        -7.8705   1.787     0.       .01191
GW 10   17   -9.2156   -1.9215   0.        -9.2156   1.9215    0.       .01281
GW 11   19  -10.6619   -2.0662   0.       -10.6619   2.0662    0.       .01377
GW 12   19  -12.2171   -2.2217   0.       -12.2171   2.2217    0.       .01481
GE
TL  1    6    2    6   -50.
TL  2    6    3    6   -50.
TL  3    6    4    7   -50.
TL  4    7    5    7   -50.
TL  5    7    6    8   -50.
TL  6    8    7    8   -50.
TL  7    8    8    8   -50.
TL  8    8    9    9   -50.
TL  9    9   10    9   -50.
TL 10    9   11   10   -50.
TL 11   10   12   10   -50. ,0.,0.,0.,.02
EX  0    1    6   10   1
FR  0, 26, 0,0, 20, 2
RP 0, 19, 36, 1000, 0, 0, 10, 10
EN