ANTENNA QY21405XL3D9
ANTENNA QY21405XL3D9
PERFORMANCES:
|
No of ele |
L (mm) |
G (dBi) |
F/B (dB) |
F/Sh (dB) |
F/Sv (dB) |
Hor (◦) |
Ver (◦) |
Temp (◦K) |
G/T (dB) |
Tlos (K) |
|
14 |
8305 |
16.18 |
24.94 |
25.24 |
18.27 |
31.0 |
31.6 |
220.4 |
-7.25 |
6.9 |
WORKING CONDITION:
|
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
|
Lowest |
Highest |
Bandwidth |
||
|
141.500 |
145.900 |
4.400 |
199.6 |
1.05:1 |
DIMENSIONS:
|
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
DQ1 |
DQ2 |
All elements made of Al rods Ǿ5 mm The height of all rectangles is 500 mm All dimensions given in milimetres |
|
Pos |
0 |
200 |
325 |
418 |
705 |
1073 |
1573 |
2226 |
|
|
Length |
1020 |
1016 |
820 |
947 |
937 |
919 |
558 |
536 |
|
|
|
DQ3 |
DQ4 |
DQ5 |
DQ6 |
DQ7 |
DQ8 |
DQ9 |
|
|
|
Pos |
3018 |
3873 |
4779 |
5644 |
6568 |
7494 |
8305 |
|
|
|
Length |
517 |
505 |
493 |
483 |
476 |
464 |
450 |
|
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) |
|
|
QY21405XL3D9 |
3.99 |
14.03 |
200.1 |
1.05:1 |
4.12 |
3.96 |
19.96 |
6.0 |
218.7 |
-1.29 |
|
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 |
|
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 |
|
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 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 |
16.94 |
226.4 |
-6.60 |
|
110 |
16.82 |
241.3 |
-7.00 |
110 |
17.22 |
219.5 |
-6.18 |
|
120 |
17.20 |
233.2 |
-6.47 |
120 |
17.39 |
218.0 |
-5.98 |
|
130 |
17.39 |
231.0 |
-6.23 |
130 |
17.51 |
220.4 |
-5.91 |
|
140 |
17.53 |
229.3 |
-6.06 |
140 |
17.59 |
224.2 |
-5.90 |
|
150 |
17.65 |
228.0 |
-5.92 |
150 |
17.67 |
225.9 |
-5.86 |
|
160 |
17.74 |
227.1 |
-5.81 |
160 |
17.77 |
224.7 |
-5.73 |
|
170 |
17.83 |
226.5 |
-5.71 |
170 |
17.86 |
222.7 |
-5.60 |
|
180 |
17.91 |
226.2 |
-5.62 |
180 |
17.95 |
221.5 |
-5.49 |
|
190 |
17.98 |
226.0 |
-5.55 |
190 |
18.03 |
220.9 |
-5.40 |
|
200 |
18.06 |
225.8 |
-5.46 |
200 |
18.11 |
220.7 |
-5.31 |
|
210 |
18.13 |
225.5 |
-5.39 |
210 |
18.18 |
220.7 |
-5.24 |
|
220 |
18.20 |
225.1 |
-5.31 |
220 |
18.25 |
220.8 |
-5.18 |
|
230 |
18.27 |
224.6 |
-5.23 |
230 |
18.32 |
221.1 |
-5.11 |
|
240 |
18.34 |
223.9 |
-5.15 |
240 |
18.38 |
221.4 |
-5.06 |
|
250 |
18.42 |
223.0 |
-5.05 |
250 |
18.45 |
221.7 |
-4.99 |
|
260 |
18.49 |
222.1 |
-4.96 |
260 |
18.51 |
221.8 |
-4.93 |
|
270 |
18.56 |
221.1 |
-4.87 |
270 |
18.58 |
221.6 |
-4.86 |
|
280 |
18.63 |
220.1 |
-4.78 |
280 |
18.64 |
221.1 |
-4.79 |
|
290 |
18.70 |
219.2 |
-4.69 |
290 |
18.71 |
220.4 |
-4.71 |
|
300 |
18.77 |
218.3 |
-4.60 |
300 |
18.77 |
219.6 |
-4.63 |
|
310 |
18.84 |
217.5 |
-4.52 |
310 |
18.84 |
218.8 |
-4.54 |
|
320 |
18.90 |
216.8 |
-4.44 |
320 |
18.90 |
218.1 |
-4.47 |
|
330 |
18.96 |
216.2 |
-4.37 |
330 |
18.96 |
217.6 |
-4.40 |
|
340 |
19.02 |
215.8 |
-4.30 |
340 |
19.02 |
217.4 |
-4.34 |
|
350 |
19.07 |
215.5 |
-4.25 |
350 |
19.07 |
217.4 |
-4.29 |
|
360 |
19.12 |
215.3 |
-4.19 |
360 |
19.12 |
217.7 |
-4.24 |
|
370 |
19.17 |
215.3 |
-4.14 |
370 |
19.16 |
217.9 |
-4.21 |
|
380 |
19.20 |
215.4 |
-4.12 |
380 |
19.20 |
218.1 |
-4.17 |
|
390 |
19.23 |
215.7 |
-4.09 |
390 |
19.23 |
218.1 |
-4.14 |
|
400 |
19.26 |
216.0 |
-4.07 |
400 |
19.26 |
218.2 |
-4.11 |
|
410 |
19.29 |
216.4 |
-4.05 |
410 |
19.29 |
218.2 |
-4.08 |
|
420 |
19.31 |
216.8 |
-4.04 |
420 |
19.32 |
218.2 |
-4.05 |
|
430 |
19.32 |
217.2 |
-4.03 |
430 |
19.34 |
218.2 |
-4.03 |
|
440 |
19.33 |
217.7 |
-4.03 |
440 |
19.35 |
218.1 |
-4.02 |
|
450 |
19.35 |
218.1 |
-4.02 |
450 |
19.37 |
218.0 |
-4.00 |
|
460 |
19.35 |
218.4 |
-4.03 |
460 |
19.38 |
217.8 |
-3.98 |
|
|
|
|
|
470 |
19.39 |
217.5 |
-3.97 |
|
|
|
|
|
480 |
19.39 |
217.1 |
-3.96 |
|
|
|
|
|
490 |
19.40 |
216.8 |
-3.94 |
|
|
|
|
|
500 |
19.40 |
216.4 |
-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 (mm) |
Vertical distance (mm) |
G (dBi) |
TA (K) |
G/T (dB) |
Tloss (K) |
Remark |
|
3.988 |
3.844 |
22.02 |
217.6 |
-1.36 |
6.9 |
Per DL6WU formula |
|
4.120 |
3.960 |
22.11 |
218.7 |
-1.29 |
6.9 |
For max G/T |
|
3.640 |
3.960 |
21.97 |
217.1 |
-1.40 |
6.9 |
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 |
15.78 |
23.32 |
26.87 |
17.61 |
32.4 |
33.0 |
221.4 |
-7.67 |
5.7 |
|
Vertical |
16.30 |
21.47 |
14.41 |
20.30 |
32.4 |
31.6 |
223.1 |
-7.18 |
5.7 |
Horizontal polarisation patterns
Vertical polarisation patterns
