ANTENNA Q206E1XL8

6 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)

4

2555

12.75

20.67

23.60

16.48

43.6

48.0

260.9

-11.41

3.5

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 144.100 MHz

SWR at 145.000 MHz

Lowest

Highest

142.500

146.400

49.9

1.08:1

 

DIMENSIONS:

 

Ref

De1

D1

D2

D3

D4

 

All elements made of Al tubes Ǿ8 mm

The height of the rectangles is 400 mm

All dimensions given in milimetres

Pos

0

282

563

1108

1884

2555

 

Length

722

671

648

614

591

585

 

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)

G4CQM 6

1.00

9.46

56.7

1.83:1

2.60

2.17

15.44

7.9

249.7

-6.38

KF2YN boxkite6

1.04

12.47

49.9

1.20:1

3.90

3.00

18.25

4.6

263.1

-3.80

Vine 6 FD

1.10

9.69

48.3

1.18:1

2.64

2.21

15.67

8.2

238.4

-5.95

G0KSC 6LFA

1.13

9.69

49.3

1.04:1

2.60

2.19

15.64

4.0

236.9

-5.96

DD0VF 6

1.16

9.73

27.2

1.07:1

2.63

2.22

15.71

5.5

240.1

-5.94

Q206E1XL8

1.23

10.60

49.9

1.08:1

3.10

2.44

16.51

3.5

247.8

-5.28

M2 2M7

1.28

9.94

204.9

1.14:1

2.65

2.26

15.76

3.7

245.0

-5.98

G0KSC 7LFA

1.39

10.62

48.0

1.19:1

2.84

2.49

16.53

1.8

248.9

-5.28

DG7YBN 7

1.44

10.59

47.2

1.70:1

2.88

2.47

16.55

4.5

242.7

-5.15

Vine 7 FD

1.45

10.56

47.9

1.14:1

2.83

2.46

16.47

8.2

238.6

-5.16

G4CQM 7

1.50

10.76

50.7

2.31:1

2.89

2.53

16.69

7.9

239.9

-4.96

CT1FFU 7

1.54

10.82

28.0

1.02:1

2.87

2.50

16.70

2.8

237.7

-4.96

DK7ZB 7

1.57

11.11

28.4

1.64:1

3.16

2.84

17.13

5.8

272.6

-5.07

IK0BZY 6

1.63

11.11

19.5

2.27:1

3.10

2.77

17.04

4.8

266.5

-5.07

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

2801

2557

18.66

252.5

3.5

-5.36

Per DL6WU formula

3160

2440

18.51

247.8

3.5

-5.28

For max G/T

1900

1480

16.78

228.4

3.5

-6.81

For lowest temperature

 

Patterns for lowest temperature

 

Patterns for max G/T