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ANTENTOP- 01- 2004, # 005 UR5LCV’s YAGI for Hams

4-el YAGI for 14-MHz

 

4-el YAGI for 14-MHz

F, MHz

14.0

14.15

14.3

G, dBd

6.86

7.0

7.12

F/B, dB

18.02

20.13

18.93

Z, Ohm

22.2-j8.9

22.6+j0.3

20.2+j8.6

SWR

1:1.5

1:1.02

1:1.5

 

OD 25-mm

Reflector

Driver

Director 1

Director 2

Length, cm

1052

1018

982

920

Spacing to Reflector, cm

0

254

536

968

 

Another One 4-el YAGI for 14-MHz

F, MHz

14.0

14.15

14.3

G, dBd

7.5

7.84

8.24

F/B, dB

18.08

29.19

18.06

Z, Ohm

34.3-j5.9

28.3+j0.8

18.2+j14.3

SWR

1:1.68

1:1.26

1:1.67

 

OD 25-mm

Reflector

Driver

Director 1

Director 2

Length, cm

1079

1014

976

954

Spacing to Reflector, cm

0

326

771

1320

 

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February 23, 2020 22:19

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