ANTENNA Q214C3XL5

14 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)

14

8965

16.62

32.12

19.33

17.09

29.0

30.3

222.9

-6.86

6.1

 

WORKING CONDITION:

Frequency for SWR=1.5 (MHz)

Z (Ώ)

at 144.100 MHz

SWR at 145.000 MHz

Lowest

Highest

142.600

146.300

50.0

1.08:1

 

DIMENSIONS:

 

Ref

De1

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

Pos

0

255

466

849

1465

2152

2982

3776

4679

5561

6451

7382

8241

8965

Length

806

758

726

707

686

667

655

641

629

623

611

607

601

597

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)

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

Q214C3XL5

4.31

14.47

50.0

1.08:1

4.42

4.14

20.45

6.1

218.5

-0.80

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

 

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

4155

3980

22.50

216.3

6.1

-0.85

Per DL6WU formula

4420

4140

22.60

218.5

6.1

-0.80

For max G/T

3960

1440

20.63

211.7

6.1

-2.63

For lowest temperature

 

Patterns for lowest temperature

 

Patterns for max G/T