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 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)

 

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

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

 

15.06

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)