ANTENNA Q209E2XL5

9 ELE OBLONG ANTENNA MADE OF ALUMINUM RODS Ø5 MM

PERFORMANCES:

No of ele

L (mm)

G (dBi)

F/B (dB)

F/Sh (dBi)

F/Sv (dBi)

Hor (◦)

Ver (◦)

Temp (◦K)

G/T (dB)

Tlos

(K)

9

4585

14.33

22.03

21.39

17.40

37.4

39.7

235.0

-9.38

5.5

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 144.100 MHz

SWR at 145.000 MHz

Lowest

Highest

142.300

145.900

50.0

1.06:1

 

DIMENSIONS:

 

Ref

De1

D1

D2

D3

D4

D5

D6

D7

All elements made of Al tubes Ǿ5 mm

The height of the rectangles is 400 mm

All dimensions given in milimetres

Pos

0

285

545

958

1512

2192

2991

3848

4585

Length

715

671

642

619

602

584

572

562

557

No boom correction included.

 

COMPARISON

 

TYPE OF

ANTENNA

SINGLE ANTENA

FOUR ANTENNAS IN H-STACK

L

(λ)   

GAIN

(dBd)

Z

(ohms)

VSWR

Bandwidth

E

(m)

H

(m)

Ga

(dBd)

Tlos

(K)

Ta

(K)

G/T

(dB)

WiMo WX220 XPOL

2.13

11.23

202.0

1.08:1

2.94

2.94

17.44

8.4

300.8

-5.19

Gulf Alpha 9

2.13

11.62

203.3

1.15:1

3.26

2.97

17.64

4.6

266.2

-4.46

Gulf Alpha 9 XPOL

2.13

11.60

203.9

1.15:1

3.12

3.12

17.62

5.0

267.6

-4.50

DJ9BV 2.1

2.13

11.89

44.9

1.30:1

3.33

3.04

17.87

5.8

255.2

-4.05

OZ5HF 9

2.16

11.52

38.0

1.15:1

3.21

2.92

17.47

3.0

272.6

-4.74

YU7EF 9

2.16

11.84

49.8

1.17:1

3.20

2.89

17.74

5.3

236.6

-3.84

F9FT 11

2.17

11.78

21.5

1.25:1

3.26

2.97

17.75

5.3

251.0

-4.10

CC 13B2

2.17

11.79

21.1

1.37:1

3.33

3.01

17.78

5.9

257.9

-4.18

K1FO 11

2.18

11.97

44.0

1.29:1

3.30

3.00

17.90

4.3

248.0

-3.89

CC 215WB

2.19

11.78

17.4

1.47:1

3.36

3.07

17.78

6.6

266.6

-4.33

Q209E2XL5

2.20

12.18

50.0

1.06:1

3.76

3.44

18.27

5.5

241.4

-3.40

Vine 9 FD

2.22

11.93

50.0

1.07:1

3.21

2.91

17.80

9.4

230.0

-3.67

G4CQM CQM12UX

2.32

11.94

50.2

1.06:1

3.20

2.89

17.82

4.0

231.6

-3.68

Flexa 224

2.34

11.52

60.4

1.09:1

3.50

3.30

17.66

30.1

259.2

-4.33

RA3AQ 9

2.35

12.38

49.2

1.10:1

3.40

3.13

18.31

5.6

234.3

-3.24

CT1FFU 9

2.38

12.23

28.1

1.15:1

3.26

2.97

18.08

3.6

226.8

-3.33

ZL1RS 9

2.38

12.24

48.7

2.19:1

3.30

3.01

18.13

5.6

227.2

-3.28

Eagle 10

2.38

12.28

23.6

1.33:1

3.44

3.16

18.27

6.0

243.0

-3.43

G4CQM CQM12UC

2.39

12.15

49.4

1.03:1

3.30

3.01

18.05

5.2

235.6

-3.54

DK7ZB 9

2.39

12.41

27.5

1.23:1

3.56

3.30

18.45

6.2

250.5

-3.39

Vine 10 FD

2.45

12.27

47.6

1.08:1

3.35

3.04

18.17

9.5

226.7

-3.23

DD0VF 9

2.46

12.47

25.0

1.16:1

3.48

3.18

18.44

4.4

235.8

-3.14

Z(ohms) - measured on 144.100 MHz

                     

 

DIAGRAMS (no loss included)

 

SWR DIAGRAMS (loss included for Al)

 

 

BEST DISTANCES FOR 4 ANTENNAS IN H-STACK

Horizontal

distance (cm)

Vertical distance (cm)

G

(dBi)

TA

(K)

Tlos

(K)

G/T

(dB)

Remark

3244

3063

20.18

236.8

5.5

-3.56

Per DL6WU formula

3760

3440

20.42

241.4

5.5

-3.40

For max G/T

2920

1520

18.65

221.6

5.5

-4.81

For lowest temperature

 

Patterns for lowest temperature

 

Patterns for max G/T