ANTENNA X22806XL1Q

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)

28

8285

17.49

27.92

15.14

16.77

27.6

23.4

220.0

-5.93

5.1

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 144.100 MHz

SWR

at 145.000 MHz

Lowest

Highest

Bandwidth

141.600

147.300

6.300

198.0

1.04:1

 

DIMENSIONS:

 

Ref

De

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

Pos

0

348

534

938

1421

1722

2266

3012

3746

4528

5302

6068

6828

7606

8285

Length

1010

782

929

927

909

885

899

894

892

888

888

884

878

870

856

Height

0

±240

±180

±330

±440

±510

±570

±650

±725

±785

±805

±815

±815

±795

±765

Dimensions given in milimetres - Diameter of elements 6 milimetres - No boom correction included.

 

CONSTRUCTION OF RADIATOR

H = 782

V = 240

Ø= 6 mm

 

 

COMPARISON (inserted in a part of VE7BQH table, where it belongs according to its boom length)

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)

IK0BZY 12

3.95

14.06

99.2

1.44:1

4.02

3.78

19.93

6.9

222.5

-1.39

DG7YBN 14

3.98

14.09

50.4

1.07:1

4.20

4.00

20.08

5.8

220.4

-1.20

X22806XL1Q

3.98

15.34

198.0

1.04:1

4.90

5.70

21.43

5.1

214.3

+0.28

BVO2-4WL

3.99

14.17

45.0

1.25:1

4.24

4.02

20.14

6.8

241.8

-1.54

DJ9BV 4.0

4.01

14.04

41.5

1.35:1

4.16

3.92

19.91

6.5

249.4

-1.91

K1FO 16

4.01

14.13

35.0

1.15:1

4.16

3.87

20.05

4.7

229.9

-1.42

SV 2SA13

4.01

14.45

52.2

1.41:1

4.38

4.16

20.42

7.0

239.0

-1.21

HG VB-215DX

4.03

14.10

38.6

1.41:1

4.21

3.97

20.00

5.8

250.8

-1.84

CC3219 MOD

4.04

14.13

32.1

1.02:1

4.27

4.07

20.09

5.1

248.2

-1.71

KLM 16LBX

4.09

14.16

198.1

1.29:1

4.26

4.02

20.08

6.3

242.0

-1.61

CC4218XL

4.19

14.28

14.8

1.43:1

4.33

4.13

20.22

8.7

245.0

-1.52

WB9UWA 15

4.18

13.65

26.0

1.51:1

3.75

3.50

19.44

8.3

208.9

-1.61

G0KSC 14LFA3R

4.23

14.44

48.8

1.07:1

4.19

4.00

20.35

2.4

216.5

-0.86

YU7EF 14M

4.24

14.23

48.6

1.07:1

4.07

3.85

20.08

7.0

220.1

-1.20

UA9TC 14RS

4.24

14.33

49.5

1.06:1

4.13

3.80

20.22

5.2

216.7

-0.99

G0KSC 14 LFA

4.30

14.51

47.1

1.22:1

4.24

4.02

20.41

5.5

218.1

-0.82

KF2YN Boxkite 16

4.30

15.85

50.5

1.16:1

5.50

5.10

21.83

6.2

227.4

0.41

InnoV 14 LFA

4.32

14.45

48.6

1.10:1

4.18

3.97

20.34

6.6

215.6

-0.85

YU7EF 14

4.37

14.48

41.0

2.30:1

4.21

4.00

20.33

8.8

220.0

-0.94

YU7EF 14LT

4.37

13.91

47.8

1.29:1

3.89

3.64

19.60

11.7

211.0

-1.49

K1FO 17

4.40

14.44

27.7

1.25:1

4.24

4.02

20.34

4.9

229.5

-1.12

DJ9BV 4.4

4.41

14.32

38.3

1.36:1

4.27

4.07

20.18

6.6

251.5

-1.68

SHARK 20

4.47

14.34

42.8

1.05:1

4.33

4.10

20.19

3.9

258.5

-1.79

I0JXX 16

4.47

14.36

30.4

1.05:1

4.05

4.05

20.24

8.4

217.5

-0.98

CC17B2

4.49

14.53

200.1

1.20:1

4.27

4.07

20.43

5.9

228.6

-1.01

Z(ohms) - measured on 144.100 MHz

Bandwidth – VSWR measured on 145.000 MHz

 

 

DIAGRAMS (no loss included)

 

SWR DIAGRAMS (loss included for Al)

 

BEST DISTANCES FOR STACK

 

Four antennas in H-stack

Horizontal

distance (mm)

Vertical distance (mm)

G

(dBi)

TA

(K)

G/T

(dB)

Tlos

(K)

Remark

4361

5.130

23.41

215.2

+0.09

5.1

Per DL6WU formula

4900

5700

23.58

214.3

+0.28

5.1

For max G/T

4000

5500

23.34

212.9

+0.09

5.1

For lowest temperature

Four antennas in H-stack, H=4.90  V=5.70 metres

 

 

 

 

Eight antennas in stack (four in horizontal and two in vertical plane)

Horizontal

distance (mm)

Vertical distance (mm)

G

(dBi)

TA

(K)

G/T

(dB)

Tlos

(K)

4700

5600

26.57

214.8

+3.26

5.1

 

 

Eight antennas in stack (two in horizontal and four in vertical plane)

Horizontal

distance (mm)

Vertical distance (mm)

G

(dBi)

TA

(K)

G/T

(dB)

Tlos

(K)

4700

5600

26.60

213.4

+3.31

5.1