ANTENNA QY21110XL3D6
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) |
11 |
6185 |
15.40 |
29.95 |
22.15 |
16.07 |
33.2 |
34.6 |
227.4 |
-8.17 |
4.3 |
WORKING CONDITION:
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
Lowest |
Highest |
Bandwidth |
||
142.700 |
146.100 |
3.400 |
199.4 |
1.07:1 |
DIMENSIONS:
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
All elements of Al tubes Ǿ10 mm The height of rectangles 522 mm All dimensions given in milimetres |
Pos |
0 |
60 |
280 |
381 |
744 |
1350 |
|
Length |
1012 |
1008 |
796 |
936 |
936 |
904 |
|
|
DQ1 |
DQ2 |
DQ3 |
DQ4 |
DQ5 |
DQ6 |
|
Pos |
2065 |
2833 |
3654 |
4556 |
5406 |
6185 |
|
Length |
524 |
502 |
488 |
478 |
470 |
464 |
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) |
|
QY21110XL3D6 |
2.97 |
13.25 |
199.3 |
1.07:1 |
3.92 |
3.64 |
19.24 |
4.3 |
226.8 |
-2.16 |
G0KSC 11 LFA |
2.98 |
13.11 |
48.3 |
1.06:1 |
3.78 |
3.65 |
19.14 |
3.0 |
224.9 |
-2.23 |
UA9TC 11RS |
2.98 |
13.09 |
50.9 |
1.10:1 |
3.66 |
3.37 |
19.01 |
5.0 |
223.0 |
-2.34 |
G0KSC 11OWL |
3.00 |
13.16 |
49.8 |
1.42:1 |
3.69 |
3.44 |
19.09 |
7.7 |
224.6 |
-2.27 |
BVO-3WL |
3.01 |
13.43 |
52.7 |
3.08:1 |
3.90 |
3.70 |
19.38 |
8.6 |
253.1 |
-2.50 |
G0KSC 11LFA3R |
3.01 |
13.00 |
50.1 |
1.08:1 |
3.60 |
3.33 |
18.92 |
4.0 |
223.0 |
-2.41 |
YU7EF 11 |
3.04 |
13.07 |
49.0 |
1.62:1 |
3.56 |
3.30 |
18.87 |
4.7 |
222.6 |
-2.46 |
F9FT 16 |
3.06 |
12.64 |
20.8 |
1.37:1 |
3.54 |
3.26 |
18.63 |
6.0 |
241.3 |
-3.05 |
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 |
16.25 |
236.2 |
-7.47 |
110 |
15.87 |
266.0 |
-8.37 |
110 |
16.49 |
227.4 |
-7.07 |
120 |
16.32 |
250.2 |
-7.66 |
120 |
16.65 |
224.6 |
-6.85 |
130 |
16.56 |
243.7 |
-7.30 |
130 |
16.76 |
226.1 |
-6.77 |
140 |
16.73 |
239.1 |
-7.05 |
140 |
16.85 |
229.1 |
-6.74 |
150 |
16.87 |
235.9 |
-6.85 |
150 |
16.94 |
229.6 |
-6.66 |
160 |
16.97 |
233.8 |
-6.77 |
160 |
17.06 |
226.8 |
-6.48 |
170 |
17.06 |
232.3 |
-6.64 |
170 |
17.17 |
223.5 |
-6.31 |
180 |
17.17 |
231.3 |
-6.53 |
180 |
17.27 |
221.9 |
-6.18 |
190 |
17.26 |
230.7 |
-6.43 |
190 |
17.36 |
222.1 |
-6.09 |
200 |
17.35 |
229.9 |
-6.25 |
200 |
17.43 |
223.5 |
-6.05 |
210 |
17.47 |
229.6 |
-6.19 |
210 |
17.50 |
225.7 |
-6.02 |
220 |
17.51 |
229.0 |
-6.09 |
220 |
17.56 |
228.0 |
-6.00 |
230 |
17.54 |
228.6 |
-6.02 |
230 |
17.62 |
229.9 |
-5.98 |
240 |
17.63 |
227.9 |
-5.91 |
240 |
17.69 |
231.1 |
-5.94 |
250 |
17.73 |
227.3 |
-5.81 |
250 |
17.75 |
231.5 |
-5.88 |
260 |
17.76 |
226.4 |
-5.71 |
260 |
17.83 |
231.0 |
-5.79 |
270 |
17.83 |
225.7 |
-5.62 |
270 |
17.91 |
229.9 |
-5.69 |
280 |
17.91 |
225.2 |
-5.53 |
280 |
17.99 |
228.5 |
-5.59 |
290 |
17.98 |
224.7 |
-5.44 |
290 |
18.07 |
227.1 |
-5.48 |
300 |
18.11 |
224.3 |
-5.38 |
300 |
18.14 |
225.7 |
-5.38 |
310 |
18.18 |
224.0 |
-5.30 |
310 |
18.21 |
224.6 |
-5.29 |
320 |
18.24 |
223.6 |
-5.24 |
320 |
18.28 |
223.9 |
-5.21 |
330 |
18.24 |
223.5 |
-5.19 |
330 |
18.34 |
223.7 |
-5.14 |
340 |
18.35 |
223.3 |
-5.13 |
340 |
18.39 |
224.1 |
-5.10 |
350 |
18.39 |
223.4 |
-5.09 |
350 |
18.42 |
225.0 |
-5.09 |
360 |
18.43 |
223.6 |
-5.05 |
360 |
18.45 |
226.2 |
-5.08 |
370 |
18.46 |
223.8 |
-5.02 |
370 |
18.48 |
227.3 |
-5.07 |
380 |
18.49 |
224.2 |
-5.00 |
380 |
18.50 |
227.9 |
-5.06 |
390 |
18.51 |
224.6 |
-4.99 |
390 |
18.53 |
228.1 |
-5.04 |
400 |
18.52 |
225.0 |
-4.99 |
400 |
18.55 |
227.8 |
-5.01 |
410 |
18.54 |
225.5 |
-4.98 |
410 |
18.57 |
227.4 |
-4.98 |
420 |
18.55 |
225.9 |
-4.98 |
420 |
18.58 |
226.9 |
-4.96 |
|
|
|
|
430 |
18.60 |
226.3 |
-4.93 |
|
|
|
|
440 |
18.60 |
225.7 |
-4.92 |
|
|
|
|
450 |
18.61 |
225.1 |
-4.90 |
|
|
|
|
460 |
18.61 |
224.7 |
-4.89 |
|
|
|
|
470 |
18.61 |
224.3 |
-4.88 |
*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 |
3641 |
3498 |
21.30 |
224.4 |
-2.21 |
Per DL6WU formula |
3920 |
3640 |
21.39 |
226.8 |
-2.16 |
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 |
15.40 |
29.95 |
22.15 |
16.07 |
33.2 |
34.6 |
227.4 |
-8.17 |
4.3 |
Vertical |
15.62 |
18.96 |
13.43 |
18.48 |
32.0 |
31.2 |
237.6 |
-8.14 |
4.6 |
Horizontal polarisation patterns
Vertical polarisation patterns