ANTENNA QY21105XL5D6
ANTENNA QY21105XL5D6
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) |
|
11 |
5505 |
14.80 |
22.11 |
24.43 |
17.25 |
36.0 |
37.4 |
226.5 |
-8.75 |
5.5 |
WORKING CONDITION:
|
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
|
Lowest |
Highest |
Bandwidth |
||
|
141.100 |
146.000 |
5.500 |
199.2 |
1.08:1 |
DIMENSIONS:
|
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
DQ1 |
DQ2 |
DQ3 |
All elements made of Al rods Ǿ5 mm The height of all rectangles is 500 mm All dimensions given in milimetres |
|
Pos |
0 |
200 |
320 |
416 |
708 |
1075 |
1588 |
2231 |
3038 |
|
|
Length |
1020 |
1020 |
820 |
945 |
935 |
919 |
554 |
532 |
512 |
|
|
|
DQ4 |
DQ5 |
DQ6 |
|
|
|
|
|
|
|
|
Pos |
3855 |
4726 |
5505 |
|
|
|
|
|
|
|
|
Length |
498 |
482 |
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) |
|
|
QY21105XL5D6 |
2.65 |
12.65 |
199.2 |
1.08:1 |
4.12 |
3.36 |
18.64 |
5.5 |
227.7 |
-2.79 |
|
I0JXX 12 |
2.68 |
12.67 |
26.9 |
1.31:1 |
3.58 |
3.30 |
18.64 |
6.9 |
238.0 |
-2.97 |
|
BQH 12J |
2.80 |
12.80 |
50.0 |
1.01:1 |
3.67 |
3.40 |
18.83 |
4.3 |
246.2 |
-2.93 |
|
CT1FFU 10C |
2.82 |
13.04 |
27.2 |
1.23:1 |
3.62 |
3.31 |
18.93 |
4.2 |
222.9 |
-2.40 |
|
M2 12 |
2.84 |
12.68 |
37.0 |
1.13:1 |
3.48 |
3.20 |
18.54 |
5.4 |
232.5 |
-2.97 |
|
KF2YN Boxkite12 |
2.84 |
14.90 |
48.5 |
1.22:1 |
6.00 |
4.40 |
20.84 |
5.9 |
227.4 |
-0.58 |
|
BQH 10 |
2.86 |
13.05 |
22.6 |
1.47:1 |
3.69 |
3.43 |
19.00 |
7.0 |
232.5 |
-2.51 |
|
WB9UWA 12 |
2.87 |
12.73 |
23.9 |
1.47:1 |
3.48 |
3.20 |
18.61 |
7.0 |
223.0 |
-2.72 |
|
DK7ZB 10 |
2.87 |
13.00 |
25.8 |
1.61:1 |
3.87 |
3.60 |
19.17 |
6.8 |
247.5 |
-2.62 |
|
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 |
15.71 |
225.5 |
-7.85 |
|
110 |
15.67 |
244.9 |
-8.21 |
110 |
15.93 |
220.5 |
-7.53 |
|
120 |
15.94 |
238.3 |
-7.82 |
120 |
16.09 |
218.8 |
-7.33 |
|
130 |
16.13 |
234.3 |
-7.56 |
130 |
16.20 |
220.6 |
-7.25 |
|
140 |
16.27 |
231.5 |
-7.37 |
140 |
16.30 |
224.1 |
-7.22 |
|
150 |
16.39 |
229.6 |
-7.21 |
150 |
16.39 |
226.2 |
-7.17 |
|
160 |
16.50 |
228.4 |
-7.08 |
160 |
16.49 |
225.8 |
-7.06 |
|
170 |
16.60 |
227.7 |
-6.96 |
170 |
16.59 |
224.8 |
-6.94 |
|
180 |
16.69 |
227.3 |
-6.87 |
180 |
16.68 |
224.5 |
-6.84 |
|
190 |
16.78 |
227.1 |
-6.77 |
190 |
16.77 |
224.9 |
-6.76 |
|
200 |
16.87 |
226.9 |
-6.68 |
200 |
16.85 |
225.7 |
-6.70 |
|
210 |
16.95 |
226.7 |
-6.59 |
210 |
16.93 |
226.4 |
-6.63 |
|
220 |
17.04 |
226.5 |
-6.50 |
220 |
17.01 |
226.8 |
-6.56 |
|
230 |
17.13 |
226.2 |
-6.40 |
230 |
17.09 |
226.8 |
-6.48 |
|
240 |
17.21 |
225.9 |
-6.32 |
240 |
17.17 |
226.3 |
-6.39 |
|
250 |
17.29 |
225.6 |
-6.23 |
250 |
17.25 |
225.4 |
-6.29 |
|
260 |
17.39 |
225.4 |
-6.14 |
260 |
17.33 |
224.4 |
-6.19 |
|
270 |
17.45 |
225.1 |
-6.06 |
270 |
17.41 |
223.5 |
-6.10 |
|
280 |
17.53 |
224.8 |
-5.98 |
280 |
17.49 |
222.8 |
-6.00 |
|
290 |
17.60 |
224.7 |
-5.90 |
290 |
17.56 |
222.5 |
-5.93 |
|
300 |
17.66 |
224.5 |
-5.84 |
300 |
17.63 |
222.5 |
-5.86 |
|
310 |
17.72 |
224.4 |
-5.78 |
310 |
17.69 |
222.9 |
-5.80 |
|
320 |
17.77 |
224.3 |
-5.73 |
320 |
17.74 |
223.6 |
-5.77 |
|
330 |
17.82 |
224.3 |
-5.68 |
330 |
17.78 |
224.6 |
-5.75 |
|
340 |
17.85 |
224.3 |
-5.65 |
340 |
17.82 |
225.8 |
-5.73 |
|
350 |
17.89 |
224.4 |
-5.61 |
350 |
17.84 |
227.1 |
-5.73 |
|
360 |
17.91 |
224.5 |
-5.59 |
360 |
17.87 |
228.4 |
-5.73 |
|
370 |
17.93 |
224.7 |
-5.57 |
370 |
17.88 |
229.5 |
-5.74 |
|
380 |
17.95 |
224.9 |
-5.56 |
380 |
17.90 |
230.3 |
-5.73 |
|
390 |
17.96 |
225.2 |
-5.55 |
390 |
17.91 |
230.7 |
-5.73 |
|
400 |
17.96 |
225.5 |
-5.56 |
400 |
17.92 |
230.8 |
-5.72 |
*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 |
|
3.364 |
3.244 |
20.68 |
226.5 |
-2.87 |
5.5 |
Per DL6WU formula |
|
3.720 |
3.560 |
20.85 |
230.0 |
-2.77 |
5.5 |
For max G/T |
|
3.720 |
2.560 |
20.41 |
223.6 |
-3.09 |
5.5 |
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 |
14.80 |
22.11 |
24.43 |
17.25 |
36.0 |
37.4 |
226.6 |
-8.75 |
5.5 |
|
Vertical |
14.80 |
20.05 |
14.81 |
22.88 |
37.2 |
35.8 |
227.9 |
-8.78 |
4.9 |
Horizontal polarisation patterns
Vertical polarisation patterns
