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