ANTENNA Q215C3XL5

15 ELE OBLONG ANTENNA MADE OF ALUMINUM RODS Ø5 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)

15

9815

16.92

32.04

18.88

16.99

28.0

29.2

222.6

-6.55

6.4

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 144.100 MHz

SWR at 145.000 MHz

Lowest

Highest

142.600

146.200

50.0

1.08:1

 

DIMENSIONS:

 

Ref

De1

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

Pos

0

255

466

849

1465

2152

2982

3776

4679

5562

6452

7378

8248

9136

9815

Length

806

758

726

707

686

667

655

641

629

623

611

607

601

599

593

All elements made of Al tubes Ǿ5 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)

RA3AQ-14

4.61

14.71

50.0

1.19:1

4.27

4.07

20.55

5.0

219.1

-0.71

G4CQM 16

4.64

14.55

50.9

1.78:1

4.39

4.18

20.47

8.8

234.6

-1.08

YU7EF 15M

4.68

14.59

48.6

1.03:1

4.21

4.00

20.40

7.0

221.7

-0.89

Q215C3XL5

4.71

14.77

50.0

1.08:1

4.52

4.34

20.73

6.4

218.5

-0.51

DK7ZB 14

4.73

14.92

26.9

1.50:1

4.59

4.39

20.87

6.8

233.0

-0.65

DG7YBN 16

4.74

14.79

46.6

1.18:1

4.45

4.60

20.79

6.1

222.4

-0.53

G0KSC 15LFA

4.75

14.72

49.9

1.17:1

4.60

4.45

20.72

5.9

215.0

-0.45

InnoV 15 LFA

4.76

14.73

49.0

1.17:1

4.60

4.45

20.74

6.6

215.4

-0.44

K1FO 18

4.78

14.37

199.9

1.32:1

4.36

4.16

20.62

2.8

228.6

-0.82

InnoV 15 OWL

4.78

14.79

52.2

1.32:1

4.36

4.15

20.66

7.6

217.9

-0.57

M2 28 XPOL

4.81

15.18

200.1

5.19:1

4.83

4.83

21.14

13.9

243.1

-0.57

DJ9BV 4.8

4.82

14.63

49.7

1.29:1

4.40

4.19

20.48

6.6

242.8

-1.22

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 (mm)

Vertical distance (mm)

G

(dBi)

TA

(K)

Tlos

(K)

G/T

(dB)

Remark

4300

4127

22.79

216.6

5.5

-0.56

Per DL6WU formula

4520

4340

22.88

218.3

5.5

-0.51

For max G/T

4160

1420

20.90

212.2

5.5

-2.36

For lowest temperature

 

Patterns for lowest temperature

 

Patterns for max G/T