ANTENNA Q209E2XL6

9 ELE OBLONG ANTENNA MADE OF ALUMINUM TUBES Ø6 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

14.36

21.56

21.00

17.02

37.2

39.5

235.5

-9.36

4.6

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 144.100 MHz

SWR at 145.000 MHz

Lowest

Highest

142.400

146.000

50.0

1.05:1

 

DIMENSIONS:

 

Ref

De1

D1

D2

D3

D4

D5

D6

D7

All elements made of Al tubes Ǿ6 mm

The height of the rectangles is 400 mm

All dimensions given in milimetres

Pos

0

285

549

952

1502

2182

2990

3836

4585

Length

720

671

642

616

601

583

571

563

555

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

Q209E2XL6

2.20

12.21

50.0

1.05:1

3.78

3.46

18.32

4.6

241.8

-3.37

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

3261

3078

20.21

236.9

4.6

-3.53

Per DL6WU formula

3760

3440

20.46

241.8

4.6

-3.37

For max G/T

2920

1520

18.65

221.9

4.6

-4.80

For lowest temperature

 

Patterns for lowest temperature

 

Patterns for max G/T