ANTENNA QY21306XL3D6
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 |
7705 |
15.99 |
29.27 |
20.73 |
18.14 |
31.2 |
32.8 |
220.4 |
-7.44 |
6.0 |
WORKING CONDITION:
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
Lowest |
Highest |
Bandwidth |
||
141.400 |
146.300 |
4.900 |
198.2 |
1.08:1 |
DIMENSIONS:
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
D4 |
D5 |
All elements made of Al rods Ǿ6mm The height of all rectangles is 500 All dimensions given in milimetres |
Pos |
0 |
250 |
350 |
420 |
728 |
1286 |
1964 |
2725 |
|
Length |
1016 |
1028 |
856 |
942 |
953 |
931 |
911 |
895 |
|
|
DQ1 |
DQ2 |
DQ3 |
DQ4 |
DQ5 |
DQ6 |
|
|
|
Pos |
3556 |
4374 |
5284 |
6102 |
7036 |
7705 |
|
|
|
Length |
520 |
498 |
488 |
482 |
476 |
472 |
|
|
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) |
|
QY21306XL3D6 |
3.70 |
13.84 |
198.2 |
1.08:1 |
4.00 |
3.92 |
19.80 |
6.0 |
218.8 |
-1.45 |
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 |
4.38 |
4.16 |
20.42 |
7.0 |
239.0 |
-1.21 |
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 |
16.92 |
222.3 |
-6.53 |
110 |
16.37 |
239.6 |
-7.41 |
110 |
17.11 |
217.5 |
-6.25 |
120 |
16.79 |
237.2 |
-6.95 |
120 |
17.26 |
215.1 |
-6.05 |
130 |
17.06 |
232.5 |
-6.59 |
130 |
17.37 |
214.9 |
-5.93 |
140 |
17.26 |
229.0 |
-6.32 |
140 |
17.46 |
216.2 |
-5.87 |
150 |
17.40 |
226.7 |
-6.14 |
150 |
17.55 |
217.2 |
-5.80 |
160 |
17.53 |
225.2 |
-5.98 |
160 |
17.63 |
217.1 |
-5.72 |
170 |
17.63 |
224.3 |
-5.86 |
170 |
17.71 |
217.0 |
-5.64 |
180 |
17.72 |
223.7 |
-5.76 |
180 |
17.79 |
217.1 |
-5.56 |
190 |
17.81 |
223.3 |
-5.66 |
190 |
17.87 |
217.5 |
-5.49 |
200 |
17.88 |
223.1 |
-5.59 |
200 |
17.95 |
218.1 |
-5.42 |
210 |
17.96 |
222.8 |
-5.50 |
210 |
18.02 |
218.9 |
-5.37 |
220 |
18.03 |
222.5 |
-5.43 |
220 |
18.09 |
220.0 |
-5.32 |
230 |
18.10 |
222.1 |
-5.35 |
230 |
18.16 |
221.1 |
-5.27 |
240 |
18.17 |
221.6 |
-5.27 |
240 |
18.22 |
222.1 |
-5.23 |
250 |
18.23 |
221.0 |
-5.20 |
250 |
18.29 |
222.7 |
-5.17 |
260 |
18.30 |
220.4 |
-5.11 |
260 |
18.36 |
222.8 |
-5.10 |
270 |
18.37 |
219.7 |
-5.03 |
270 |
18.43 |
222.5 |
-5.03 |
280 |
18.44 |
219.1 |
-4.95 |
280 |
18.50 |
221.7 |
-4.94 |
290 |
18.51 |
218.4 |
-4.87 |
290 |
18.57 |
220.6 |
-4.85 |
300 |
18.57 |
217.8 |
-4.79 |
300 |
18.63 |
219.5 |
-4.75 |
310 |
18.64 |
217.3 |
-4.71 |
310 |
18.72 |
218.4 |
-4.65 |
320 |
18.71 |
216.9 |
-4.63 |
320 |
18.79 |
217.4 |
-4.57 |
330 |
18.77 |
216.5 |
-4.57 |
330 |
18.85 |
216.8 |
-4.49 |
340 |
18.82 |
216.3 |
-4.51 |
340 |
18.91 |
216.6 |
-4.43 |
350 |
18.88 |
216.1 |
-4.45 |
350 |
18.96 |
216.7 |
-4.38 |
360 |
18.93 |
216.1 |
-4.40 |
360 |
19.00 |
217.1 |
-4.35 |
370 |
18.97 |
216.2 |
-4.36 |
370 |
19.03 |
217.6 |
-4.33 |
380 |
19.01 |
216.3 |
-4.32 |
380 |
19.07 |
218.0 |
-4.30 |
390 |
19.04 |
216.5 |
-4.30 |
390 |
19.09 |
218.4 |
-4.29 |
400 |
19.07 |
216.7 |
-4.27 |
400 |
19.12 |
218.7 |
-4.26 |
410 |
19.10 |
217.0 |
-4.25 |
410 |
19.14 |
219.0 |
-4.25 |
420 |
19.12 |
217.3 |
-4.23 |
420 |
19.16 |
219.0 |
-4.23 |
430 |
19.14 |
217.6 |
-4.22 |
430 |
19.17 |
219.0 |
-4.22 |
440 |
19.15 |
217.9 |
-4.22 |
440 |
19.18 |
218.9 |
-4.20 |
450 |
19.16 |
218.2 |
-4.21 |
450 |
19.19 |
218.6 |
-4.19 |
460 |
19.17 |
218.5 |
-4.21 |
460 |
19.20 |
218.2 |
-4.17 |
|
|
|
|
470 |
19.21 |
217.7 |
-4.15 |
|
|
|
|
480 |
19.21 |
217.2 |
-4.14 |
|
|
|
|
490 |
19.22 |
216.7 |
-4.12 |
|
|
|
|
500 |
19.22 |
216.3 |
-4.11 |
|
|
|
|
510 |
19.22 |
216.0 |
-4.11 |
|
|
|
|
520 |
19.22 |
215.8 |
-4.10 |
*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) |
Tloss (K) |
Remark |
3868 |
3684 |
21.86 |
216.9 |
-1.50 |
5.7 |
Per DL6WU formula |
4200 |
4120 |
22.02 |
220.2 |
-1.41 |
5.7 |
For max G/T |
3640 |
3520 |
21.71 |
215.8 |
-1.63 |
5.7 |
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 |
15.99 |
29.27 |
20.73 |
18.14 |
31.2 |
32.8 |
220.4 |
-7.44 |
6.0 |
Vertical |
16.05 |
27.92 |
16.94 |
20.11 |
32.2 |
30.8 |
220.6 |
-7.39 |
6.3 |
Horizontal polarisation patterns
Vertical polarisation patterns