ANTENNA QY21106XL1D4
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 |
6000 |
15.11 |
40.94 |
21.05 |
15.92 |
34.0 |
36.6 |
221.3 |
-8.34 |
6.3 |
WORKING CONDITION:
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
Lowest |
Highest |
Bandwidth |
||
141.400 |
146.000 |
4.600 |
199.1 |
1.07:1 |
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 |
200 |
340 |
421 |
733 |
1284 |
1967 |
2729 |
|
Length |
1018 |
1014 |
870 |
952 |
956 |
932 |
915 |
896 |
|
|
DQ1 |
DQ2 |
DQ3 |
DQ4 |
|
|
|
|
|
Pos |
3544 |
4374 |
5288 |
6000 |
|
|
|
|
|
Length |
518 |
492 |
484 |
478 |
|
|
|
|
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) |
|
QY21106XL1D4 |
2.88 |
12.96 |
199.1 |
1.07:1 |
4.00 |
3.28 |
18.93 |
6.3 |
220.6 |
-2.36 |
K1FO 13 |
2.89 |
12.94 |
24.7 |
1.38:1 |
3.64 |
3.39 |
18.88 |
4.6 |
239.2 |
-2.76 |
Y21110XL2 |
2.94 |
12.98 |
200.6 |
1.08:1 |
3.84 |
3.52 |
19.01 |
4.0 |
226.4 |
-2.39 |
M2 20 XPOL |
2.97 |
13.11 |
200.1 |
1.20:1 |
3.64 |
3.64 |
19.09 |
6.3 |
241.7 |
-2.59 |
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 |
16.23 |
221.3 |
-7.20 |
110 |
15.48 |
243.2 |
-8.36 |
110 |
16.38 |
217.2 |
-6.97 |
120 |
15.95 |
238.6 |
-7.81 |
120 |
16.51 |
215.5 |
-6.80 |
130 |
16.25 |
233.8 |
-7.42 |
130 |
16.62 |
215.4 |
-6.69 |
140 |
16.45 |
229.8 |
-7.15 |
140 |
16.72 |
215.9 |
-6.60 |
150 |
16.62 |
226.8 |
-6.92 |
150 |
16.82 |
215.6 |
-6.49 |
160 |
16.75 |
224.6 |
-6.74 |
160 |
16.92 |
215.0 |
-6.38 |
170 |
16.87 |
223.0 |
-6.59 |
170 |
17.02 |
215.0 |
-6.28 |
180 |
16.98 |
221.9 |
-6.46 |
180 |
17.10 |
215.4 |
-6.21 |
190 |
17.07 |
221.0 |
-6.35 |
190 |
17.19 |
216.0 |
-6.13 |
200 |
17.17 |
220.3 |
-6.24 |
200 |
17.27 |
216.7 |
-6.06 |
210 |
17.25 |
219.8 |
-6.15 |
210 |
17.35 |
217.2 |
-6.00 |
220 |
17.34 |
219.4 |
-6.05 |
220 |
17.44 |
217.6 |
-5.91 |
230 |
17.42 |
219.1 |
-5.96 |
230 |
17.52 |
217.7 |
-5.83 |
240 |
17.50 |
218.9 |
-5.88 |
240 |
17.60 |
217.4 |
-5.75 |
250 |
17.57 |
218.7 |
-5.80 |
250 |
17.68 |
217.0 |
-5.66 |
260 |
17.65 |
218.5 |
-5.72 |
260 |
17.76 |
216.4 |
-5.57 |
270 |
17.72 |
218.4 |
-5.65 |
270 |
17.83 |
216.0 |
-5.49 |
280 |
17.79 |
218.3 |
-5.58 |
280 |
17.91 |
215.7 |
-5.40 |
290 |
17.86 |
218.2 |
-5.51 |
290 |
17.98 |
215.6 |
-5.33 |
300 |
17.93 |
218.2 |
-5.43 |
300 |
18.04 |
215.9 |
-5.28 |
310 |
17.99 |
218.2 |
-5.37 |
310 |
18.10 |
216.4 |
-5.23 |
320 |
18.04 |
218.2 |
-5.32 |
320 |
18.15 |
217.2 |
-5.20 |
330 |
18.09 |
218.2 |
-5.28 |
330 |
18.20 |
218.2 |
-5.17 |
340 |
18.13 |
218.3 |
-5.24 |
340 |
18.23 |
219.4 |
-5.16 |
350 |
18.17 |
218.5 |
-5.20 |
350 |
18.26 |
220.7 |
-5.16 |
360 |
18.20 |
218.7 |
-5.17 |
360 |
18.29 |
222.0 |
-5.15 |
370 |
18.23 |
218.9 |
-5.15 |
370 |
18.31 |
223.1 |
-5.15 |
380 |
18.25 |
219.1 |
-5.13 |
380 |
18.32 |
224.2 |
-5.16 |
390 |
18.27 |
219.4 |
-5.12 |
|
|
|
|
400 |
18.29 |
219.6 |
-5.10 |
|
|
|
|
410 |
18.30 |
219.9 |
-5.10 |
|
|
|
|
420 |
18.31 |
220.1 |
-5.09 |
|
|
|
|
*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 |
3558 |
3313 |
21.01 |
220.8 |
-2.43 |
6.3 |
Per DL6WU formula |
4000 |
3280 |
21.08 |
220.6 |
-2.36 |
6.3 |
For max G/T |
3560 |
2760 |
20.69 |
215.7 |
-2.65 |
6.3 |
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 |
15.11 |
40.94 |
21.05 |
15.92 |
34.0 |
36.6 |
221.3 |
-8.34 |
6.3 |
Vertical |
15.16 |
43.29 |
19.82 |
21.47 |
36.2 |
33.8 |
221.7 |
-8.30 |
6.3 |
Horizontal polarisation patterns
Vertical polarisation patterns