ANTENNA X61815XL2Q

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

32.0

26.2

4.8

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 50.150 MHz

SWR at 50.300 MHz

Lowest

Highest

Bandwidth

49.520

50.550

1.030

197.2

1.04:1

 

DIMENSIONS:

 

Ref

De1

D1/D2

D3/D4

D5/D6

D7/D8

D9/D10

D11/D12

D13/D14

D15/D16

All elements: Al tubes Ǿ15 mm

All dimensions given in milimetres

Pos

0

795

1928

3567

5638

7454

9936

12108

14386

16105

Length

2936

2628

2688

2680

2652

2636

2608

2604

2596

2564

Height

0

145

550

1155

1565

1825

2035

2155

2155

2095

No boom correction included.

 

CONSTRUCTION OF RADIATOR

Construction of radiator: H = 2628 mm, v = 145 mm, material aluminum tube 15 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

197.2

1.04:1

12.70

14.90

20.09

17.03

17.08

9.52

11.18

19.48

16.73

16.71

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

(◦)

 

12.70

 

19.18

17.03

12.4

26.2

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

(◦)

 

14.90

 

19.25

17.10

32.0

10.4

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

 

 

Horizontal distance (m)

Vertical distance (m)

G

(dBi)

G

(dBd)

Hor

(◦)

Ver

(◦)

12.70

 

14.90

 

22.24

20.09

12.4

10.4

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

(◦)

 

9.52

 

18.88

16.73

15.6

26.0

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

(◦)

 

11.18

 

19.01

16.71

31.4

13.0

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

13.0

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