3e ltriband yagi.nec

zip contains tool for Antenna Modelling with examples

CM 3el Triband Yagi with trap
CE

SY L28=2.4, R28=2.55, D28=2.35		' 10 meter
GW 1 22 0.0 -L28  8.0 0.0  L28  8.0  .013
GW 6 22 -2.33 -R28  8.0 -2.33  R28  8.0  .013
GW 11 18  1.85 -D28  8.0  1.85  D28  8.0  .013

SY L21=2.89, R21=2.93, D21=2.86		' 15 meter
GW 2 3 0.0  L28  8.0 0.0  L21  8.0  .01
GW 3 3 0.0 -L28  8.0 0.0 -L21  8.0  .01
GW 7 3 -2.33  R28  8.0 -2.33  R21  8.0  .01
GW 8 3 -2.33 -R28  8.0 -2.33 -R21  8.0  .01
GW 12 3  1.85  D28  8.0  1.85  D21  8.0  .01
GW 13 3  1.85 -D28  8.0  1.85 -D21  8.0  .01

SY L14=3.83, R14=3.93, D14=3.61		' 20 meter
GW 4 6 0.0 -L21  8.0 0.0 -L14  8.0  .006
GW 5 6 0.0  L21  8.0 0.0  L14  8.0  .006
GW 9 6 -2.33 -R21  8.0 -2.33 -R14  8.0  .006
GW 10 6 -2.33  R21  8.0 -2.33  R14  8.0  .006
GW 14 6  1.85 -D21  8.0  1.85 -D14  8.0  .006
GW 15 6  1.85  D21  8.0  1.85  D14  8.0  .006

GE 1

EX 0 1 12  0  1.0 0.0

LD 6 2  1  1 100 1.757094uH 18pF
LD 6 3  1  1 100 1.757094uH 18pF
LD 6 7  1  1 100 1.847352uH 18pF
LD 6 8  1  1 100 1.847352uH 18pF
LD 6 12  1  1 100 1.806911uH 16pF
LD 6 13  1  1 100 1.806911uH 16pF

LD 6 4  1  1 100 2.16768uH 26pF
LD 6 5  1  1 100 2.16768uH 26pF
LD 6 9  1  1 100 2.071046uH 28pF
LD 6 10  1  1 100 2.071046uH 28pF
LD 6 14  1  1 100 2.212446uH 25pF
LD 6 15  1  1 100 2.212446uH 25pF

LD 5 0 0 0 25000000
GN 2 0 0 0 13  0.005

FR 0 1 0 0 14.15 1
'FR 0 1 0 0 21.20 1
'FR 0 1 0 0 28.50 1

EN