ANTENNA X73406XL5Q

 

DESCRIPTION

 

Radiator

Number of  yagi elements

Boomlength (mm)

 

Double rectangle

33 + radiator

3725

       

 

PERFORMANCES (loss included, KF2YN correction applied)

G

(dBi)

F/B

(dB)

F/Sh

(dBi)

F/Sv

(dBi)

Hor lobe

(◦)

Ver lobe

(◦)

Ta

(K)

Tlos

(K)

G/T

(dB)

18.33

35.18

19.88

19.79

26.3

22.1

27.3

3.6

+3.97

 

DIMENSIONS

Element

Ref

De

D1, D2

D3,D4

D5,D6

D7,D8

D9,D10

D11,D12

D13,D14

Position

0

121

180

319

475

578

752

1006

1256

Length

333

271.5

302

297.5

292.5

289

288

284

279

Height

0

±80

±65

±109

±148

±175

±195

±220

±240

Element

D15,D16

D17,D18

D19,D20

D21,D22

D23,D24

D25,D26

D27,D28

D29,D30

 D31,D32

Position

1517

1779

2044

2320

2592

2884

3168

3478

3725

Length

276.5

272.5

270.5

268.5

268

265

258.5

257

255.5

Height

±262

±278

±288

±298

±299

±298

±295

±288

±265

Remark

All elements made of Al rods Ǿ6 mm

All dimensions given in milimetres

No boom correction included.

 

Ref = Reflector

De =  Dipole (radiator)

D  =   Director

 

CONSTRUCTION OF RADIATOR

Material: Aluminum rod Ø= 6 mm

H = 271.5 mm

V = 80 mm

 

 

DIAGRAMS

 

Horizontal and verticall pattern in free space, no loss condition

 

 

WORKING CONDITION

Frequency bandwidth for SWR=1.5 (MHz)

Z (Ώ)

at 432.100 MHz

SWR

at 145.000 MHz

Lowest

Highest

413.000

441.400

198.2

1.01:1

       

 

SWR DIAGRAMS (loss included for Al)

SWR curve for amateur bandwidth 432 – 435 MHz

Frequency bandwidth for SWR = 1.5

 

COMPARISON (inserted in a part of VE7BQH table, where it belongs according to its boom length)

TYPE OF

ANTENNA

SINGLE ANTENA

FOUR ANTENNAS IN H-STACK

L

(λ)   

GAIN

(dBi)

Z

(ohms)

VSWR

Bandwidth

E

(m)

H

(m)

Ga

(dBd)

Tlos

(K)

Ta

(K)

G/T

(dB)

YU7EF EF7015M-5

4.69

16.80

49.5

1.03:1

1.43

1.36

22.66

5.4

33.6

7.40

WiMo 15 (YU7EF)

4.89

17.06

174.5

3.05:1

1.46

1.30

22.87

4.3

30.0

8.10

InnoV 16 LFA

5.19

17.27

48.4

1.19:1

1.50

1.43

23.15

4.8

29.7

8.43

*InnoV 17 LFA

5.33

17.25

49.9

1.03:1

1.45

1.45

23.11

4.3

29.5

8.41

X73406XL5Q

5.37

18.33

200.4

1.05:1

1.94

1.92

24.39

3.6

26.3

10.20

YU7EF EF7017M-5

5.56

17.41

50.7

1.06:1

1.52

1.44

23.22

5.6

33.4

7.98

*KF2YN Polly 18 CR

5.69

17.79

48.1

1.18:1

1.95

1.95

23.96

3.7

31.4

9.00

RA3AQ AQ70-18f

5.74

17.76

51.7

1.08:1

1.59

1.53

23.64

6.1

32.6

8.51

InnoV 18 LFA

5.76

17.49

49.8

1.05:1

1.52

1.45

23.33

4.3

28.9

8.72

+Konni F20 DL6WU

5.94

17.52

220.4

1.07:1

1.58

1.51

23.39

1.5

31.7

8.37

+DG7YBN 19

5.94

17.80

49.3

1.28:1

1.60

1.54

23.68

3.6

29.5

8.98

YU7EF EF7018M-5

6.00

17.61

49.3

1.08:1

1.54

1.48

23.39

5.1

31.7

8.39

K1FO 22

6.10

17.85

200.8

1.43:1

1.53

1.56

23.75

4.8

33.6

8.49

EAntenna 432LFA18

6.13

17.88

47.6

1.42:1

1.61

1.55

23.76

5.6

29.7

9.02

YU7EF EF7019B-5

6.43

17.91

50.5

1.12:1

1.60

1.54

23.72

5.7

32.7

8.59

KF2YN Polly 20 CR

6.50

18.30

48.8

1.21:1

1.90

1.90

24.43

3.8

31.1

9.50

InnoV 19 LFA

6.54

18.18

47.6

1.09:1

1.68

1.63

24.10

5.0

29.2

9.45

Tonna 21 DX

6.61

17.91

58.4

2.32:1

1.67

1.61

23.80

6.7

41.3

7.63

KF2YN Boxkite 22

6.70

19.26

52.1

1.17:1

1.99

1.90

25.14

10.8

40.2

9.11

InnoV 20 LFA

6.99

18.28

50.5

1.09:1

1.73

1.67

24.31

5.0

28.1

9.82

RA3AQ AQ70-21f

7.14

18.54

52.3

1.07:1

1.73

1.67

24.41

6.9

31.0

9.51

+DG7YBN 23

7.55

18.65

48.4

1.56:1

1.76

1.70

24.51

3.8

27.8

10.08

YU7EF EF7021B-5

7.59

18.66

50.2

1.33:1

1.74

1.68

24.50

7.8

32.3

9.41

I0JXX 25JXX70

7.91

18.53

198.6

1.12:1

1.74

1.68

24.41

5.6

32.7

9.26

Z(ohms) - measured on 432.100 MHz

Bandwidth – VSWR measured on 435.000 MHz

 

STACKING

(ALL DATA GIVEN IN ACCORDANCE WITH KF2YN CORRECTION, LOSS INCLUDED)

RECOMMENDED STACKING DISTANCES

 

Two antennas vertically

(mm)

Two antennas horizontally

(mm)

Four antennas in H-stack

(mm)

Horizontal distance

 

1940

1940

Vertical distance

1920

 

1920

TWO ANTENNAS STACKED VERTICALLY

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

1920

21.32

26.6

3.6

+7.08

 

Two antennas stacked vertically

TWO ANTENNAS STACKED HORIZONTALLY

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

1940

21.41

27.0

3.6

+7.10

 

Two antennas stacked horizontally

FOUR ANTENNAS IN H-STACK

DISTANCE
(mm)

G
(dBi)

TA
(K)

Tloss
(K)

G/T
(dB)

H = 1940

24.39

26.3

3.6

+10.20

V = 1920

 

Four antennas in H-stack