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ANTENTOP- 01- 2004, # 005

UR5LCV’s YAGI for Hams

5-el YAGI for 28-MHz

5-el YAGI for 28-MHz

 

F, MHz

28.0

28.35

28.7

G, dBd

8.17

8.41

8.46

F/B, dB

20.46

38.03

20.74

Z, Ohm

28.9-j9.8

29.5+j0.3

35+j2.9

SWR

1:1.3

1:1.09

1:1.29

 

OD 25-mm

Reflector

Driver

Director 1

Director 2

Director 3

Length, cm

524

509

488

482

466

Spacing to  Reflector, cm

0

149

253

478

736

6-el YAGI for 28-MHz

F, MHz

28.0

28.35

28.7

G, dBd

9.39

9.62

9.49

F/B, dB

17.1

26.7

18.1

Z, Ohm

29.2-j8.8

24.6+j1

21.4+j21.7

SWR

1:1.95

1:1.3

1:1.94

 

OD 25-mm

Reflector

Driver

Director 1

Director 2

Director 3

Director 4

Length, cm

530

502

481

480

477

464

Spacing to

 Reflector, cm

0

160

308

500

781

1084

 

 

 

http://www.antentop.org/

Page 48

 

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