Generation of Yagi

1

2

3

4

3-4

Antenna

DL6WU-10

BV-4wl

BVO-4wl

BVO-3wl

BQH-12j

Folded Dipole

Overall Dimensions

990 x 66

990 x 66

990 x 66

990 x 66

------

Centre to Centre

958 x 58

958 x 58

958 x 58

958 x 58

948 x 66

144.000MHz 
Z, SWR

192+j64
1.39

173+j37
1.28

189+j41
1.24

209+j82
1.50

199-j2
1.01

144.500MHz
Z, SWR

227+j61
1.37

200+j47
1.27

209+j26
1.15

304+j16
1.53

198-j6
1.03

145.000MHz
Z, SWR

261+j23
1.34

237+j31
1.25

213-j6
1.07

202-j161
2.19

195-j6
1.04

Straight Split Dipole

Length

990

990

980

968

990

144.000MHz
Z, SWR

45.6+j8
1.22

42.6+j5.9
1.23

44.4-j0.7
1.13

46.8-j0.2
1.07

51.1+j0.3
1.02

144.500MHz
Z, SWR

54+j0.9
1.21

49.3+j9.5
1.21

49.3-j2.7
1.06

68.9-j12.9
1.47

51.0+j0.4
1.02

145.000MHz
Z, SWR

62.6+j2
1.24

58.7+j7
1.23

50.8-j9.4
1.21

48.0-j54.2
2.88

50.5+j1.1
1.02