ANTENNA Q211E7XL6

11 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)

11

6805

15.66

27.68

19.35

16.90

32.2

33.7

227.5

-7.91

5.8

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 144.100 MHz

SWR at 145.000 MHz

Lowest

Highest

142.700

146.050

50.0

1.08:1

 

DIMENSIONS:

 

Ref

De1

D1

D2

D3

D4

D5

D6

D7

D8

D9

Pos

0

390

602

1145

1882

2689

3556

4432

5310

6158

6805

Length

728

675

651

623

601

585

566

556

552

549

541

All elements made of Al tubes Ǿ6 mm - The height of the rectangles is 400 mm - All dimensions given in milimetres

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)

F9FT 17

3.14

12.87

25.8

1.32:1

3.68

3.50

18.90

5.8

236.4

-2.69

CC3219

3.17

12.77

18.3

1.49:1

4.27

3.66

18.80

5.7

307.8

-3.93

CC3219 MOD

3.17

13.25

29.0

1.06:1

3.87

3.62

19.27

5.1

245.6

-2.48

BQH 13

3.19

13.30

50.0

1.11:1

3.85

3.60

19.28

4.3

244.9

-2.46

Q211E7XL6

3.27

13.51

50.0

1.08:1

4.12

3.82

19.56

5.8

223.5

-1.79

G0KSC 12LFA

3.32

13.44

49.9

1.07:1

3.78

3.52

19.36

4.0

220.5

-1.92

G0KSC 12OWA

3.33

13.33

49.3

1.05:1

3.85

3.50

19.28

5.7

224.3

-2.08

G4CQM 11

3.36

13.55

46.2

1.94:1

3.92

3.66

19.50

8.3

232.0

-2.01

DK7ZB 11

3.40

13.68

27.9

1.27:1

3.94

3.71

19.61

5.0

234.3

-1.94

UA9TC 12RS

3.40

13.55

51.7

1.09:1

3.80

3.56

19.46

5.1

218.2

-1.78

G0KSC 12LFA

3.41

13.64

50.1

1.18:1

3.90

3.70

19.58

4.3

221.2

-1.72

MBI 3.4

3.42

13.58

37.7

1.62:1

3.87

3.62

19.49

9.2

227.7

-1.93

G0KSC 12LFA 2R

3.43

13.46

50.3

1.06:1

3.95

3.75

19.48

4.9

220.5

-1.80

InnoV 12 LFA

3.43

13.56

49.3

1.07:1

3.80

3.60

19.47

5.4

218.9

-1.78

Gulf Alpha 14

3.44

13.24

198.0

1.21:1

3.71

3.44

19.14

5.5

229.6

-2.32

Gulf Alpha 114 XPOL

3.44

13.25

200.5

1.21:1

3.57

3.57

19.14

5.5

231.8

-2.37

YU7EF 12

3.49

13.67

45.4

1.77:1

3.85

3.60

19.55

6.1

221.1

-1.75

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

3751

3589

21.55

220.8

5.8

-1.89

Per DL6WU formula

4120

3820

21.71

223.5

5.8

-1.79

For max G/T

3620

1480

19.91

213.2

5.8

-3.38

For lowest temperature

 

Patterns for lowest temperature

 

Patterns for max G/T