ANTENNA X61812XL4Q

SINGLE ANTENNA

 

PERFORMANCES:

No of ele

L

(mm)

G

(dBi)

G

(dBd)

F/B (dB)

F/Sh (dB)

F/Sv (dB)

Hor

(◦)

Ver

(◦)

Tlos

(K)

18

 

16105

 

16.15

14.00

25.00

23.31

16.73

32.2

27.0

4.8

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 50.150 MHz

SWR at 50.300 MHz

Lowest

Highest

Bandwidth

49.550

50.680

1.130

200.3

1.01:1

 

DIMENSIONS:

 

Ref

De1

D1/D2

D3/D4

D5/D6

D7/D8

D9/D10

D11/D12

D13/D14

D15/D16

All elements: Al tubes Ǿ12 mm

All dimensions given in milimetres

Pos

0

808

1928

3567

5638

7454

9936

12108

14386

16105

Length

2952

2626

2692

2684

2656

2644

2606

2606

2592

2570

Height

0

145

545

1150

1560

1830

2055

2185

2185

2105

No boom correction included.

 

CONSTRUCTION OF RADIATOR

Construction of radiator: H = 2626 mm, v = 145 mm, material aluminum tube 12 mm

 

 

COMPARISON

 

TYPE OF

ANTENNA

SINGLE ANTENA

OPTIMAL STACKING

75% STACKING

 

L

(λ)   

 

GAIN

(dBd)

Z

(ohms)

VSWR

Band

width

Spacing

(m)

4 ant

E   

2 ant

H

2 ant

Spacing

(m)

4 Ant

E

2 Ant

H   

2 Ant

 

E

H

Gain

(dBd)

Gain

(dBd)

Gain

(dBd)

E

H

Gain

(dBd)

Gain

(dBd)

Gain

(dBd)

 

InnoV 10 LFA

2.58

11.98

49.2

1.08:1

9.04

8.16

17.78

14.86

14.84

6.78

6.12

16.58

14.39

14.32

YU7EF 10

2.59

12.50

50.5

1.07:1

10.06

9.14

18.44

15.45

15.45

7.54

6.85

17.36

15.00

14.94

X61812XL4Q

2.69

14.00

200.3

1.01:1

12.80

15.80

20.12

17.04

17.10

9.60

11.85

19.63

16.74

16.84

G0KSC 10LFA

2.96

13.05

50.3

1.08:1

10.23

9.47

18.93

15.96

15.96

7.67

7.10

17.69

15.47

15.40

G0KSC 11 OWL-FD

3.00

13.18

50.4

1.11:1

10.50

9.73

19.09

16.11

16.12

7.88

7.30

17.87

15.62

15.55

EAntenna 50LFA10

3.05

13.03

48.9

1.14:1

10.22

9.47

18.92

15.96

15.96

7.67

7.10

17.67

15.47

15.40

YU7EF 11

3.13

13.12

50.0

1.06:1

10.41

9.63

19.00

16.03

16.03

7.81

7.22

17.76

15.54

15.47

G0KSC 11 BV LFA

3.37

13.63

47.1

1.10:1

10.97

10.25

19.55

16.57

16.57

8.23

7.69

18.29

16.06

16.00

M 6M11JKV

3.52

13.99

27.3

1.25:1

11.94

11.33

19.92

16.92

16.93

8.96

8.50

18.67

16.38

16.36

InnoV 12 LFA

3.82

13.99

47.9

1.15:1

11.54

10.84

19.91

16.92

16.92

8.66

8.13

18.60

16.40

16.40

BVO 18 Rope Yagi

5.03

15.01

52.4

1.11:1

13.39

12.81

20.95

17.95

17.95

10.05

9.61

19.66

17.39

17.37

Z(ohms) - measured on 50.150 MHz

Bandwidth VSWR measured on 50.300 MHz

Loss included for Aluminum, KF2YN correction applied

 

DIAGRAMS (no loss included, KF2YN correction not included)

 

SWR DIAGRAMS (loss included for Al)

STACKING

 

Optimal stacking, 2 antennas horizontally stacked at (m)

G

(dBi)

G

(dBd)

Hor

(◦)

Ver

(◦)

 

12.80

 

19.19

17.04

12.4

27.0

These are true values (loss included for aluminum, KF2YN correction applied)

 

Optimal stacking, 2 antennas vertically stacked at (m)

G

(dBi)

G

(dBd)

Hor

(◦)

Ver

(◦)

 

15.80

 

19.25

17.10

32.4

9.6

These are true values (loss included for aluminum, KF2YN correction applied)

 

 

Horizontal distance (m)

Vertical distance (m)

G

(dBi)

G

(dBd)

Hor

(◦)

Ver

(◦)

12.80

 

15.80

 

22.27

20.12

12.4

9.6

These are true values (loss included for aluminum, KF2YN correction applied)

 

 

75% stacking, 2 antennas horizontally stacked at (m)

G

(dBi)

G

(dBd)

Hor

(◦)

Ver

(◦)

 

9.60

 

18.89

16.74

15.6

26.8

These are true values (loss included for aluminum, KF2YN correction applied)

 

 

75% stacking, 2 antennas vertically stacked at (m)

G

(dBi)

G

(dBd)

Hor

(◦)

Ver

(◦)

 

11.85

 

19.01

16.84

32.0

12.6

These are true values (loss included for aluminum, KF2YN correction applied)

 

 

75% stacking, 4 antennas in H stack,

G

(dBi)

G

(dBd)

Hor

(◦)

Ver

(◦)

Horizontal distance (m)

Vertical distance (m)

9.60

 

11.85

 

21.78

19.63

15.6

12.6

These are true values (loss included for aluminum, KF2YN correction applied)