ANTENNA Q213C3XL8

13 ELE OBLONG ANTENNA MADE OF ALUMINUM TUBES Ø8 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)

13

8085

16.40

31.20

19.21

16.98

29.4

31.2

226.0

-7.14

4.3

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 144.100 MHz

SWR at 145.000 MHz

Lowest

Highest

142.600

146.100

50.0

1.05:1

 

DIMENSIONS:

 

Ref

De1

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

Pos

0

253

448

852

1468

2182

2978

3778

4678

5558

6446

7374

8085

Length

816

760

724

706

688

669

655

639

628

618

610

607

599

All elements made of Al tubes Ǿ8 mm - The height of the rectangles is 300 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

Q213C3XL8

3.88

14.25

50.0

1.05:1

4.38

4.06

20.24

4.3

223.8

-1.11

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

4095

3868

22.30

220.5

4.3

-1.14

Per DL6WU formula

4380

4060

22.39

223.8

4.3

-1.11

For max G/T

3820

1460

20.33

213.6

3.5

-2.97

For lowest temperature

 

Patterns for lowest temperature

 

Patterns for max G/T