ANTENNA QY21006XL6D3
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) |
10 |
5085 |
14.45 |
34.70 |
21.92 |
20.64 |
36.8 |
40.2 |
224.9 |
-9.07 |
5.4 |
WORKING CONDITION:
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
Lowest |
Highest |
Bandwidth |
||
140.400 |
146.450 |
6.050 |
198.7 |
1.08:1 |
DIMENSIONS:
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
D4 |
D5 |
DQ1 |
DQ2 |
DQ3 |
All elements made of Al rods Ǿ6mm The height of all rectangles is 500 All dimensions given in milimetres |
Pos |
0 |
210 |
330 |
408 |
718 |
1263 |
1932 |
2695 |
3525 |
4354 |
5085 |
|
Length |
1020 |
1020 |
904 |
950 |
953 |
930 |
910 |
891 |
508 |
488 |
470 |
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) |
|
QY21006XL6D3 |
2.44 |
12.30 |
198.6 |
1.08:1 |
3.72 |
3.02 |
18.33 |
5.4 |
225.5 |
-3.12 |
DD0VF 9 |
2.46 |
12.47 |
25.0 |
1.16:1 |
3.48 |
3.18 |
18.44 |
4.4 |
235.8 |
-3.14 |
YU7EF 10LT |
2.49 |
11.84 |
45.7 |
1.13:1 |
3.13 |
2.82 |
17.69 |
5.3 |
224.3 |
-3.67 |
K5GW 10 |
2.49 |
12.45 |
37.4 |
1.41:1 |
3.44 |
3.16 |
18.38 |
7.4 |
234.6 |
-3.17 |
G4CQM 9 |
2.52 |
12.63 |
46.4 |
2.02:1 |
3.62 |
3.35 |
18.68 |
7.3 |
244.4 |
-3.05 |
G0KSC 10 LFA |
2.53 |
12.61 |
48.5 |
1.05:1 |
3.48 |
3.18 |
18.54 |
2.6 |
229.8 |
-2.92 |
K1FO 12 |
2.53 |
12.49 |
31.1 |
1.23:1 |
3.46 |
3.18 |
18.42 |
4.3 |
240.7 |
-3.25 |
YU7EF 10 |
2.59 |
12.44 |
50.3 |
1.06:1 |
3.39 |
3.10 |
18.34 |
6.9 |
227.8 |
-3.08 |
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 (loss included for Al)
STACKING
Horizontal distance (cm) |
G (dBi) |
TA (K) |
G/T (dB) |
Vertical distance (cm) |
G (dBi) |
TA (K) |
G/T (dB) |
100 |
|
|
|
100 |
15.80 |
218.9 |
-7.58 |
110 |
15.21 |
244.8 |
-8.66 |
110 |
15.92 |
215.8 |
-7.39 |
120 |
15.59 |
239.0 |
-8.18 |
120 |
16.03 |
214.7 |
-7.26 |
130 |
15.82 |
233.4 |
-7.84 |
130 |
16.13 |
215.2 |
-7.17 |
140 |
15.99 |
229.3 |
-7.59 |
140 |
16.22 |
216.3 |
-7.10 |
150 |
16.13 |
226.5 |
-7.40 |
150 |
16.31 |
216.4 |
-7.01 |
160 |
16.25 |
224.6 |
-7.24 |
160 |
16.40 |
215.6 |
-6.91 |
170 |
16.36 |
223.4 |
-7.11 |
170 |
16.49 |
215.0 |
-6.80 |
180 |
16.46 |
222.6 |
-6.99 |
180 |
16.58 |
214.8 |
-6.71 |
190 |
16.55 |
222.1 |
-6.89 |
190 |
16.67 |
215.0 |
-6.63 |
200 |
16.64 |
221.9 |
-6.80 |
200 |
16.76 |
215.4 |
-6.54 |
210 |
16.72 |
221.9 |
-6.72 |
210 |
16.84 |
215.7 |
-6.47 |
220 |
16.80 |
221.9 |
-6.64 |
220 |
16.93 |
215.9 |
-6.38 |
230 |
16.88 |
222.1 |
-6.56 |
230 |
17.01 |
215.8 |
-6.30 |
240 |
16.96 |
222.4 |
-6.49 |
240 |
17.10 |
215.7 |
-6.21 |
250 |
17.04 |
222.6 |
-6.41 |
250 |
17.18 |
215.8 |
-6.13 |
260 |
17.12 |
222.9 |
-6.34 |
260 |
17.26 |
216.1 |
-6.06 |
270 |
17.19 |
223.1 |
-6.27 |
270 |
17.34 |
216.9 |
-5.99 |
280 |
17.26 |
223.3 |
-6.20 |
280 |
17.40 |
218.0 |
-5.96 |
290 |
17.32 |
223.5 |
-6.15 |
290 |
17.47 |
219.6 |
-5.92 |
300 |
17.38 |
223.6 |
-6.09 |
300 |
17.52 |
221.4 |
-5.91 |
310 |
17.43 |
223.7 |
-6.04 |
310 |
17.56 |
223.4 |
-5.91 |
320 |
17.48 |
223.8 |
-5.99 |
320 |
17.60 |
225.4 |
-5.91 |
330 |
17.52 |
223.9 |
-5.96 |
330 |
17.63 |
227.5 |
-5.92 |
340 |
17.56 |
224.0 |
-5.92 |
340 |
|
|
|
350 |
17.59 |
224.1 |
-5.89 |
350 |
|
|
|
360 |
17.61 |
224.2 |
-5.87 |
360 |
|
|
|
370 |
17.63 |
224.3 |
-5.85 |
|
|
|
|
380 |
17.64 |
224.4 |
-5.85 |
|
|
|
|
390 |
17.66 |
224.5 |
-5.83 |
|
|
|
|
400 |
17.66 |
224.6 |
-5.83 |
|
|
|
|
410 |
17.67 |
224.7 |
-5.82 |
|
|
|
|
420 |
17.67 |
224.7 |
-5.82 |
|
|
|
|
*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 |
3296 |
3027 |
20.33 |
246.0 |
-3.21 |
5.4 |
Per DL6WU formula |
3720 |
3040 |
20.43 |
246.2 |
-3.12 |
5.4 |
For max G/T |
3860 |
2160 |
19.69 |
213.7 |
-3.61 |
5.4 |
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 |
14.45 |
34.70 |
21.92 |
20.64 |
36.8 |
40.2 |
224.9 |
-9.07 |
5.4 |
Vertical |
14.51 |
35.71 |
20.47 |
21.85 |
39.8 |
36.4 |
223.1 |
-8.98 |
5.4 |
Horizontal polarisation patterns
Vertical polarisation patterns