ANTENNA X61215XL2Q

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)

12

 

9465

 

14.43

12.28

20.54

24.78

17.17

42.8

38.7

3.5

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 50.150 MHz

SWR at 50.300 MHz

Lowest

Highest

Bandwidth

49.700

50.650

0.950

199.6

1.06:1

 

DIMENSIONS:

 

Ref

De1

D1/D2

D3/D4

D5/D6

D7/D8

D9/D10

All elements made of Al tubes Ǿ15 mm

All dimensions given in milimetres

Position

0

845

1922

3538

5628

7442

9465

Length

2938

2636

2690

2666

2650

2630

2622

Height

0

120

565

1165

1565

1805

1905

No boom correction included.

 

CONSTRUCTION OF RADIATOR (De)

Construction of radiator: H = 2636 mm, v = 120 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)

 

X61215XL2Q

1.58

12.28

199.6

1.06:1

11.50

11.60

18.40

15.36

15.34

8.62

8.70

17.82

15.10

14.87

G4CQM 6M7N50

1.62

11.28

52.1

1.53:1

8.82

7.88

17.17

14.20

14.18

6.62

5.91

15.80

13.69

12.00

K6STI 6

1.62

11.17

18.1

1.47:1

9.38

7.98

17.13

14.16

14.09

7.03

5.99

15.61

13.62

11.93

G0KSC 7 9.7m LFA

1.63

11.00

50.3

1.06:1

8.50

7.50

16.92

13.93

13.92

6.38

5.63

15.65

13.44

12.10

G0KSC 8 OWL

1.64

11.08

12.4

1.12:1

8.96

7.68

17.03

14.06

14.00

6.72

5.76

15.95

13.61

12.44

InnoV 8 OP-DES

1.65

10.08

50.2

1.04:1

8.27

7.13

15.96

13.00

12.97

6.20

5.35

14.75

12.52

10.48

YU7EF 8

1.66

10.95

50.3

1.06:1

8.38

7.38

16.84

13.87

13.85

6.29

5.54

13.39

13.38

10.25

G4CQM 7 LY

1.67

11.10

50.4

1.12:1

8.78

7.68

17.01

14.04

14.00

6.59

5.76

15.51

13.51

12.51

Cushcraft 617-6B

1.69

10.17

33.0

1.16:1

8.09

7.08

15.89

13.01

12.90

6.07

5.31

13.99

12.48

12.00

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

(◦)

 

11.50

 

17.51

15.36

13.6

34.2

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

(◦)

 

11.60

 

17.49

15.34

39.0

13.4

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

 

 

Horizontal distance (m)

Vertical distance (m)

 

 

 

 

11.50

 

11.60

 

20.55

18.40

13.6

13.4

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

(◦)

 

8.62

 

17.25

15.10

18.0

34.2

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

(◦)

 

8.70

 

17.02

14.87

38.4

16.6

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)

8.62

 

8.70

 

19.97

17.82

18.0

16.8

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