ANTENNA X60812XL4Q

 

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)

8

4505

11.95

9.80

22.24

22.36

48.8

47.0

47.8

 

2.8

 

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

49.250

50.620

1.370

201.3

1.04:1

 

DIMENSIONS:

 

Ref

De

D1/D2

D3/D4

D5/D6

All elements made of Al tubes Ǿ12 mm

All dimensions given in milimetres

Position

0

764

1546

3326

4505

Length

2984

2658

2720

2716

2710

Height

0

180

600

1225

1595

No boom correction included.

 

CONSTRUCTION OF RADIATOR (De)

Construction of radiator: H = 2658 mm, v = 180 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)

 

X60812XL4Q

0.75

9.80

201.3

1.04:1

9.40

9.40

15.93

12.85

12.91

7.05

7.05

15.49

12.91

12.62

N6CA 4

0.76

8.72

20.1

1.32:1

7.02

5.76

14.65

11.67

11.60

5.27

4.32

13.25

11.21

11.00

G0KSC5 4.6m LFA

0.76

8.65

48.5

1.10:1

6.97

5.60

14.72

11.63

11.70

5.23

4.20

13.62

11.18

10.82

G0KSC5 4.7m LFA

0.79

8.86

50.4

1.02:1

7.08

5.74

14.85

11.82

11.82

5.31

4.30

13.67

11.37

11.29

Telrex 5

0.80

8.88

20.3

1.28:1

7.24

5.98

14.82

11.83

11.78

5.43

4.49

13.39

11.37

11.09

M 6M5

0.80

8.93

36.1

1.35:1

7.27

6.04

14.91

11.89

11.89

4.54

4.53

13.60

11.41

11.26

InnoV 6 OP-DES

0.80

8.94

50.7

1.03:1

6.98

5.59

14.98

11.98

11.95

5.24

4.19

13.85

11.44

11.45

I0JXX 5

0.81

9.03

18.1

1.37:1

7.53

6.33

14.98

11.98

11.95

5.65

4.24

13.24

11.49

11.11

G0KSC5 LFA 4.9m

0.81

8.87

49.7

1.08:1

7.02

5.69

14.88

11.83

11.87

5.27

4.27

13.72

11.37

11.32

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

(◦)

 

9.40

 

15.00

12.85

17.0

43.0

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

(◦)

 

9.40

 

15.06

12.91

48.8

17.4

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)

9.40

 

9.40

 

18.08

15.93

17.0

17.4

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

(◦)

 

7.05

 

15.06

12.91

21.8

47.6

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

(◦)

 

7.05

 

14.77

12.62

48.6

21.6

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)

7.05

 

7.05

 

17.64

15.49

21.8

21.8

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