ANTENNA X61212XL3Q

SINGLE ANTENNA

 

PERFORMANCES:

No of ele

L

(mm)

G

(dBi)

G (dBd)

F/B (dB)

F/Sh (dBi)

F/Sv (dBi)

Hor

(◦)

Ver

(◦)

Tlos

(K)

12

9465

14.34

12.19

20.89

25.15

18.76

39.4

35.2

3.5

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

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 50.150 MHz

SWR at 50.300 MHz

Lowest

Highest

Bandwidth

49.650

50.550

0.900

197.4

1.08:1

 

DIMENSIONS:

 

Ref

De

D1/D2

D3/D4

D5/D6

D7/D8

D9/D10

All elements made of Al tubes Ǿ12 mm

All dimensions given in milimetres

Position

0

775

1872

3514

5498

7336

9465

Length

2944

2584

2702

2682

2672

2650

2584

Height

0

200

585

1145

1525

1735

1785

No boom correction included.

 

CONSTRUCTION OF RADIATOR (De)

Construction of radiator: H = 2584 mm, v = 200 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)

 

X61215XL2Q

1.58

12.19

197.4

1.08:1

11.40

11.60

18.30

15.25

15.25

8.55

8.70

17.79

15.02

14.92

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

(◦)

 

11.4

 

17.40

15.25

13.8

35.2

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

 

17.40

15.25

39.6

13.4

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

 

 

 

Optimal stacking, 4 antennas in H stack,

G

(dBi)

G (dBd)

Hor

(◦)

Ver

(◦)

Horizontal distance (m)

Vertical distance (m)

11.40

 

11.60

 

20.45

18.30

13.8

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

(◦)

 

8.55

 

17.17

15.02

18.2

35.0

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

(◦)

 

8.70

 

17.07

14.92

39.0

16.8

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)

8.55

 

8.70

 

19.94

17.79

18.0

17.0

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