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 Ø12 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

M² 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)