ANTENNA QY20906XL3D3
ANTENNA QY20906XL3D3
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) |
|
9 |
4205 |
14.02 |
31.42 |
20.00 |
18.83 |
38.0 |
41.6 |
235.6 |
-9.70 |
5.1 |
WORKING CONDITION:
|
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
|
Lowest |
Highest |
Bandwidth |
||
|
141.200 |
146.400 |
5.200 |
198.7 |
1.07:1 |
DIMENSIONS:
|
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
D4 |
DQ1 |
DQ2 |
DQ3 |
All elements made of Al rods Ǿ6 mm The height of all rectangles is 500 All dimensions given in milimetres |
|
Pos |
0 |
210 |
350 |
423 |
722 |
1260 |
1965 |
2693 |
3495 |
4205 |
|
|
Length |
1016 |
1004 |
896 |
945 |
954 |
927 |
907 |
528 |
508 |
496 |
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) |
|
|
QY20906XL3D3 |
2.02 |
11.87 |
198.7 |
1.07:1 |
3.50 |
2.86 |
17.82 |
5.1 |
233.5 |
-3.71 |
|
I0JXX 8 |
2.04 |
12.11 |
200.1 |
3.00:1 |
3.46 |
3.17 |
18.10 |
9.3 |
257.3 |
-3.86 |
|
DG0OPK 9 |
2.07 |
11.45 |
28.4 |
1.11:1 |
3.04 |
2.72 |
17.34 |
5.7 |
231.9 |
-4.16 |
|
DK7ZB 8 |
2.09 |
12.01 |
28.0 |
1.26:1 |
3.40 |
3.10 |
18.02 |
4.8 |
253.6 |
-3.87 |
|
G0KSC 9OWA |
2.09 |
11.99 |
49.1 |
1.30:1 |
3.33 |
3.04 |
17.96 |
4.9 |
247.0 |
-3.82 |
|
RA3AQ 9S |
2.12 |
12.04 |
47.1 |
1.08:1 |
3.35 |
3.06 |
18.02 |
4.7 |
246.5 |
-3.75 |
|
M2 9SSB |
2.12 |
11.96 |
200.6 |
1.26:1 |
3.33 |
3.04 |
17.92 |
10.8 |
245.9 |
-3.84 |
|
WiMo WX220 XPOL |
2.13 |
11.23 |
202.0 |
1.08:1 |
2.94 |
2.94 |
17.44 |
8.4 |
300.8 |
-5.19 |
|
Gulf Alpha 9 |
2.13 |
11.62 |
203.3 |
1.15:1 |
3.26 |
2.97 |
17.64 |
4.6 |
266.2 |
-4.46 |
|
Gulf Alpha 9 XPOL |
2.13 |
11.60 |
203.9 |
1.15:1 |
3.12 |
3.12 |
17.62 |
5.0 |
267.6 |
-4.50 |
|
DJ9BV 2.1 |
2.13 |
11.89 |
44.9 |
1.30:1 |
3.33 |
3.04 |
17.87 |
5.8 |
255.2 |
-4.05 |
|
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 (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 |
15.29 |
227.0 |
-8.25 |
|
110 |
14.69 |
259.4 |
-9.44 |
110 |
15.44 |
221.5 |
-7.99 |
|
120 |
15.10 |
251.6 |
-8.90 |
120 |
15.58 |
218.7 |
-7.79 |
|
130 |
15.35 |
245.1 |
-8.53 |
130 |
15.70 |
218.2 |
-7.66 |
|
140 |
15.54 |
240.2 |
-8.25 |
140 |
15.80 |
218.8 |
-7.58 |
|
150 |
15.69 |
236.7 |
-8.04 |
150 |
15.90 |
219.2 |
-7.48 |
|
160 |
15.83 |
234.3 |
-7.85 |
160 |
16.00 |
219.4 |
-7.39 |
|
170 |
15.95 |
232.7 |
-7.70 |
170 |
16.10 |
220.2 |
-7.30 |
|
180 |
16.06 |
231.8 |
-7.57 |
180 |
16.20 |
221.5 |
-7.23 |
|
190 |
16.16 |
231.3 |
-7.46 |
190 |
16.29 |
223.0 |
-7.17 |
|
200 |
16.24 |
231.2 |
-7.37 |
200 |
16.38 |
224.1 |
-7.10 |
|
210 |
16.34 |
231.4 |
-7.28 |
210 |
16.47 |
224.7 |
-7.02 |
|
220 |
16.43 |
231.8 |
-7.20 |
220 |
16.56 |
224.8 |
-6.94 |
|
230 |
16.51 |
232.2 |
-7.13 |
230 |
16.65 |
224.5 |
-6.84 |
|
240 |
16.60 |
232.6 |
-7.05 |
240 |
16.74 |
224.4 |
-6.75 |
|
250 |
16.68 |
233.1 |
-6.98 |
250 |
16.83 |
224.4 |
-6.66 |
|
260 |
16.75 |
233.5 |
-6.91 |
260 |
16.90 |
225.4 |
-6.61 |
|
270 |
16.83 |
233.9 |
-6.84 |
270 |
16.98 |
226.7 |
-6.55 |
|
280 |
16.89 |
234.2 |
-6.79 |
280 |
17.04 |
228.6 |
-6.53 |
|
290 |
16.95 |
234.5 |
-6.73 |
290 |
17.09 |
230.8 |
-6.52 |
|
300 |
17.00 |
234.7 |
-6.69 |
300 |
17.14 |
233.3 |
-6.52 |
|
310 |
17.05 |
234.9 |
-6.64 |
310 |
17.18 |
235.8 |
-6.53 |
|
320 |
17.09 |
235.0 |
-6.60 |
320 |
17.21 |
238.3 |
-6.54 |
|
330 |
17.13 |
235.1 |
-6.57 |
330 |
|
|
|
|
340 |
17.15 |
235.2 |
-6.55 |
340 |
|
|
|
|
350 |
17.18 |
235.3 |
-6.52 |
350 |
|
|
|
|
360 |
17.19 |
235.3 |
-6.51 |
360 |
|
|
|
|
370 |
17.21 |
235.4 |
-6.49 |
|
|
|
|
|
380 |
17.22 |
235.4 |
-6.48 |
|
|
|
|
|
390 |
17.22 |
235.4 |
-6.48 |
|
|
|
|
|
400 |
17.22 |
235.5 |
-6.48 |
|
|
|
|
*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 |
|
3013 |
2777 |
19.41 |
244.0 |
-4.46 |
3.7 |
Per DL6WU formula |
|
3460 |
2760 |
19.61 |
242.5 |
-4.22 |
3.7 |
For max G/T |
|
3080 |
2380 |
19.12 |
238.3 |
-4.65 |
3.7 |
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 |
14.02 |
31.42 |
20.00 |
18.83 |
38.0 |
41.6 |
235.6 |
-9.70 |
5.1 |
|
Vertical |
13.96 |
39.30 |
19.67 |
21.03 |
42.0 |
38.2 |
234.1 |
-9.73 |
5.4 |
Horizontal polarisation patterns
Vertical polarisation patterns
