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ANTENTOP- 01- 2004, # 005

UR5LCV’s YAGI for Hams

6-el YAGI for 21-MHz

6-el YAGI for 21-MHz

F, MHz

21.0

21.175

21.35

G, dBd

9.46

9.63

9.62

F/B, dB

20.24

31.15

20.33

Z, Ohm

27.6-j8.3

23.8+j0.0

20.3+j13.7

SWR

1:1.65

1:1.16

1:1.64

 

OD 25-mm

Reflector

Driver

Director 1

Director 2

Director 3

Director 4

Length, cm

713

673

647

645

643

625

Spacing to  Reflector, cm

0

218

413

658

1045

1450

7-el YAGI for 21-MHz

F, MHz

21.0

21.175

21.35

G, dBd

9.98

10.1

10.21

F/B, dB

23.61

24.14

20.00

Z, Ohm

29.5-j8.3

29.6+j0.1

30.7+j8.0

SWR

1:1.33

1:1

1:1.64

 

OD 25-mm

Reflector

Driver

Director 1

Director 2

Director 3

Director 4

Director 5

Length, cm

695

674

649

638

630

626

607

Spacing to  Reflector, cm

0

275

466

725

1043

1417

1798

 

 

 

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