ANTENNA X60815XL4Q

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

12.01

9.86

21.36

none

18.98

48.6

47.2

 

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

49.100

50.550

1.455

202.4

1.07:1

 

DIMENSIONS:

 

Ref

De1

D1/D2

D3/D4

D5/D6

All elements made of Al tubes Ǿ15 mm

All dimensions given in milimetres

Position

0

762

1548

3322

4505

Length

2980

2660

2710

2706

2702

Height

0

±180

±605

±1225

±1585

No boom correction included.

 

CONSTRUCTION OF RADIATOR (De)

Construction of radiator: H = 2660 mm, v = 180 mm, material aluminum tube Ø15 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)

 

X60815XL4Q

0.75

9.86

202.4

1.07:1

9.40

9.40

15.99

12.91

12.97

7.05

7.05

15.55

12.70

12.68

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

M² 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

 

15.06

12.91

17.0

47.4

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

 

15.12

12.97

48.6

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

 

18.14

15.99

17.0

17.2

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

 

14.85

12.70

21.8

47.0

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

(◦)

 

7.05

 

14.82

12.68

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

 

17.70

15.55

21.8

21.8

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