3el short yagj w1fby.nec

zip contains tool for Antenna Modelling with examples

CM Short  Yagi W1FBY & WA1LNQ
CE

SY RL=1.418		' To tune Gain/FB
GW 1 13 0.0 -RL  10.0 0.0  RL  10.0  .016

SY Len=1.917	' To tune R-in
GW 2 9  2.6 -len  10.0  2.6 0.0  10.0  .016
GW 58 3  2.6 0.0  10.0  2.6  .7  10.0  .016
GW 59 6  2.6  .7  10.0  2.6  len  10.0  .016

SY DL=1.571		' To tune Gain/FB
GW 3 13  4.9 -DL  10.0  4.9  DL  10.0  .016
GW 4 5 0.0  RL  10.0 0.0  2.6  10.0  .016
GW 5 5 0.0 -RL  10.0 0.0 -2.6  10.0  .016
GW 6 3  2.6  Len  10.0  2.6  2.47  10.0  .016
GW 7 3  2.6 -Len  10.0  2.6 -2.47  10.0  .016
GW 8 3  4.9  DL  10.0  4.9  2.12  10.0  .016
GW 9 3  4.9 -DL  10.0  4.9 -2.12  10.0  .016

GW 10 3 0.0  RL  10.0  .22  RL  9.78  .006
GW 11 3 0.0  RL  10.0 -.22  RL  9.78  .006
GW 12 3 0.0  RL  10.0  .22  RL  10.22  .006
GW 13 3 0.0  RL  10.0 -.22  RL  10.22  .006
GW 14 3 0.0 -RL  10.0  .22 -RL  10.22  .006
GW 15 3 0.0 -RL  10.0 -.22 -RL  9.78  .006
GW 16 3 0.0 -RL  10.0 -.22 -RL  10.22  .006
GW 17 3 0.0 -RL  10.0  .22 -RL  9.78  .006

GW 18 3  .22  RL  10.22 -.22  RL  10.22  .002	'.001
GW 19 3 -.22  RL  10.22 -.22  RL  9.78  .002
GW 20 3 -.22  RL  9.78  .22  RL  9.78  .002
GW 21 3  .22  RL  10.22  .22  RL  9.78  .002
GW 22 3  .22 -RL  10.22 -.22 -RL  10.22  .002
GW 23 3 -.22 -RL  10.22 -.22 -RL  9.78  .002
GW 24 3 -.22 -RL  9.78  .22 -RL  9.78  .002
GW 25 3  .22 -RL  10.22  .22 -RL  9.78  .002

GW 26 3  2.6  Len  10.0  2.82  Len  9.78  .006
GW 27 3  2.6  Len  10.0  2.82  Len  10.22  .006
GW 28 3  2.6  Len  10.0  2.38  Len  10.22  .006
GW 29 3  2.6  Len  10.0  2.38  Len  9.78  .006
GW 30 3  2.6 -Len  10.0  2.82 -Len  9.78  .006
GW 31 3  2.6 -Len  10.0  2.38 -Len  9.78  .006
GW 32 3  2.6 -Len  10.0  2.82 -Len  10.22  .006
GW 33 3  2.6 -Len  10.0  2.38 -Len  10.22  .006

GW 34 3  2.82  Len  10.22  2.38  Len  10.22  .002
GW 35 3  2.38  Len  10.22  2.38  Len  9.78  .002
GW 36 3  2.38  Len  9.78  2.82  Len  9.78  .002
GW 37 3  2.82  Len  10.22  2.82  Len  9.78  .002
GW 38 3  2.82 -Len  10.22  2.38 -Len  10.22  .002
GW 39 3  2.38 -Len  10.22  2.38 -Len  9.78  .002
GW 40 3  2.38 -Len  9.78  2.82 -Len  9.78  .002
GW 41 3  2.82 -Len  9.78  2.82 -Len  10.22  .002

GW 42 3  4.9  DL  10.0  5.12  DL  9.78  .006
GW 43 3  4.9  DL  10.0  4.68  DL  9.78  .006
GW 44 3  4.9  DL  10.0  5.12  DL  10.22  .006
GW 45 3  4.9  DL  10.0  4.68  DL  10.22  .006
GW 46 3  4.9 -DL  10.0  5.12 -DL  9.78  .006
GW 47 3  4.9 -DL  10.0  4.68 -DL  9.78  .006
GW 48 3  4.9 -DL  10.0  5.12 -DL  10.22  .006
GW 49 3  4.9 -DL  10.0  4.68 -DL  10.22  .006

GW 50 3  5.12  DL  10.22  4.68  DL  10.22  .002
GW 51 3  4.68  DL  10.22  4.68  DL  9.78  .002
GW 52 3  4.68  DL  9.78  5.12  DL  9.78  .002
GW 53 3  5.12  DL  10.22  5.12  DL  9.78  .002
GW 54 3  4.68 -DL  10.22  5.12 -DL  10.22  .002
GW 55 3  4.68 -DL  10.22  4.68 -DL  9.78  .002
GW 56 3  4.68 -DL  9.78  5.12 -DL  9.78  .002
GW 57 3  5.12 -DL  10.22  5.12 -DL  9.78  .002

GW 60 1  2.6  .7  10.0  2.6  .7  9.85  .006
GW 61 2  2.6  .7  9.85  2.6 0.0  9.85  .006
GW 62 1  2.6 0.0  10.0  2.6 0.0  9.85  .006
GE 0

LD 0 1  1  1 0 2.97uH 0
LD 0 1  13  13 0 2.97uH 0
LD 0 2  1  1 0 3.8uH 0
LD 0 59  6  6 0 3.8uH 0
LD 0 3  13  13 0 3.6uH 0
LD 0 3  1  1 0 3.6uH 0

SY cap=175pF	' To tune X-in
LD 0 62  1  1 0 0 cap

LD 5 0 0 0 25000000

FR 0 1 0 0 14.15 1
EX 0 62  1  0  1.0 0.0
EN