ANTENNA QY21310XL4D6

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

7755

16.16

35.66

19.27

17.60

30.2

31.6

221.4

-7.29

4.8

 

WORKING CONDITION:

Frequency for SWR=1,5 (MHz)

Z (Ώ)

at 144.100 MHz

SWR at 145.000 MHz

Lowest

Highest

Bandwidth

141.900

145.900

4.400

199.2

1.08:1

 

DIMENSIONS:

 

Ref

De1

De2

D1

D2

D3

D4

All elements of Al tubes Ǿ10 mm

The height of rectangles 500 mm

All dimensions given in milimetres

Pos

0

210

335

415

715

1268

1946

Length

1010

1010

910

938

946

920

900

 

D5

DQ1

DQ2

DQ3

DQ4

DQ5

DQ6

Pos

2722

3552

4382

5244

6148

7009

7755

Length

877

526

502

498

486

478

466

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)

QY21310XL4D6

3.72

14.01

199.3

1.08:1

4.12

4.46

20.08

4.6

218.0

-1.16

DK7ZB 12

3.83

14.17

26.8

1.46:1

4.21

4.00

20.11

6.9

237.4

-1.49

UA9TC 13RS

3.83

13.95

49.7

1.07:1

3.94

3.70

19.84

5.2

215.6

-1.35

G0KSC 13 LFA

3.84

14.10

48.5

1.14:1

4.07

3.85

20.02

4.4

221.1

-1.28

InnoV 13 LFA

3.86

13.98

48.7

1.20:1

4.02

3.77

19.89

7.0

219.5

-1.37

YU7EF 13

3.92

14.12

47.9

2.55:1

4.05

3.82

20.00

6.0

220.1

-1.28

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

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

4.27

4.27

20.42

7.0

238.8

-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

Z(ohms) - measured on 144.100 MHz

Bandwidth – VSWR measured on 145.000 MHz

Data taken from VE7BQH G/T table

 

DIAGRAMS (no loss included)

 

SWR DIAGRAMS (losses included)

 

STACKING

Horizontal distance (cm)

G

(dBi)

TA

(K)

G/T

(dB)

Vertical distance (cm)

G

(dBi)

TA

(K)

G/T

(dB)

100

 

 

 

100

16.68

231.3

-6.94

110

16.03

256.2

-8.05

110

16.95

224.2

-6.53

120

16.63

241.4

-7.18

120

17.16

220.0

-6.23

130

16.96

236.8

-6.76

130

17.33

217.7

-6.02

140

17.21

232.9

-6.44

140

17.47

216.3

-5.85

150

17.40

230.0

-6.19

150

17.60

214.6

-5.68

160

17.56

228.0

-5.99

160

17.72

213.0

-5.53

170

17.69

226.7

-5.84

170

17.83

212.3

-5.40

180

17.80

225.7

-5.71

180

17.93

212.3

-5.30

190

17.91

225.1

-5.59

190

18.02

212.9

-5.23

200

18.00

224.6

-5.49

200

18.10

214.1

-5.17

210

18.09

224.1

-5.39

210

18.18

215.7

-5.13

220

18.17

223.7

-5.30

220

18.25

217.7

-5.10

230

18.25

223.2

-5.21

230

18.32

219.7

-5.07

240

18.33

222.6

-5.12

240

18.38

221.6

-5.05

250

18.40

221.9

-5.03

250

18.45

223.0

-5.00

260

18.47

221.2

-4.95

260

18.52

223.8

-4.95

270

18.55

220.5

-4.85

270

18.59

223.9

-4.88

280

18.62

219.7

-4.77

280

18.66

223.6

-4.81

290

18.69

219.0

-4.68

290

18.74

222.9

-4.71

300

18.76

218.3

-4.60

300

18.81

221.9

-4.62

310

18.83

217.7

-4.52

310

18.88

221.0

-4.54

320

18.89

217.2

-4.45

320

18.95

220.2

-4.45

330

18.95

216.9

-4.38

330

19.01

219.5

-4.38

340

19.01

216.6

-4.32

340

19.07

219.1

-4.31

350

19.06

216.5

-4.26

350

19.12

219.0

-4.25

360

19.11

216.5

-4.21

360

19.17

218.9

-4.20

370

19.15

216.6

-4.17

370

19.21

219.0

-4.16

380

19.19

216.8

-4.14

380

19.25

219.1

-4.13

390

19.22

217.0

-4.11

390

19.28

219.1

-4.10

400

19.25

227.4

   -4.09

400

18.30

219.2

-4.08

410

19.27

227.8

-4.08

410

18.33

219.2

-4.05

420

19.29

218.2

-4.07

420

18.34

219.1

-4.04

430

19.31

218.5

-4.06

430

18.36

229.0

-4.01

440

19.33

218.9

-4.04

440

18.37

218.8

-4.00

450

19.34

219.3

-4.04

450

18.38

218.6

-3.99

460

19.35

219.6

-4.04

460

18.39

218.3

-3.97

470

19.36

219.9

-4.03

470

18.39

217.9

-3.96

480

19.36

220.1

-4.04

480

19.39

217.6

-3.96

 

 

 

 

490

19.40

217.3

-3.94

 

 

 

 

500

19.40

217.1

-3.94

*The Table is presented without KF2YN convergence correction applied and serves only to show which distance can be used with

good result. and which distances should be avoided. In H-stack it can be slightly changed.

 

BEST DISTANCES FOR 4 ANTENNAS IN H-STACK

Horizontal

distance (cm)

Vertical distance (cm)

G

(dBi)

TA

(K)

G/T

(dB)

Remark

3967

3820

22.09

216.8

-1.27

Per DL6WU formula

4120

4460

22.23

218.0

-1.16

For max G/T

 

 

 

 

 

For lowest temperature

 

 

XPOL VERSION

Horizontal components: Same as above

Vertical components: Same as above, except:

PERFORMANCES:

Polarization

G (dBi)

F/B (dB)

F/Sh (dBi)

F/Sv (dBi)

Hor (◦)

Ver (◦)

Temp (◦K)

G/T (dB)

Tlos

(K)

Horizontal

16.16

35.66

19.27

17.60

30.2

31.6

221.4

-7.29

4.8

Vertical

16.21

29.54

16.62

19.26

31.2

30.1

222.5

-7.26

4.8

 

Horizontal polarisation patterns

 

 

Vertical polarisation patterns