ANTENNA QY21910XL2D11
ANTENNA QY21910XL2D11
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) |
|
19 |
13625 |
18.15 |
26.70 |
18.24 |
16.71 |
24.2 |
24.6 |
218.7 |
-5.25 |
4.6 |
WORKING CONDITION:
|
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
|
Lowest |
Highest |
Bandwidth |
||
|
140.100 |
146.000 |
5.900 |
200.2 |
1.07:1 |
DIMENSIONS:
|
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
DQ1 |
|
Pos |
0 |
355 |
425 |
553 |
923 |
1518 |
2244 |
3021 |
3838 |
4728 |
|
Length |
1012 |
1030 |
890 |
940 |
934 |
915 |
895 |
885 |
867 |
512 |
|
|
DQ2 |
DQ3 |
DQ4 |
DQ5 |
DQ6 |
DQ7 |
DQ8 |
DQ9 |
DQ10 |
DQ11 |
|
Pos |
5588 |
6485 |
7404 |
8304 |
9225 |
10155 |
11032 |
11978 |
12855 |
13625 |
|
Length |
498 |
494 |
486 |
480 |
474 |
468 |
465 |
459 |
451 |
441 |
|
All elements of Al tubes Ǿ10 mm The height of rectangles 500 mm All dimensions given in milimetres |
||||||||||
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) |
|
|
RA3AQ 18 |
6.28 |
16.09 |
54.9 |
1.13:1 |
5.30 |
5.30 |
22.12 |
8.1 |
222.3 |
+0.80 |
|
QY21910XL2D11 |
6.54 |
16.00 |
200.2 |
1.07:1 |
6.08 |
6.16 |
22.18 |
4.6 |
215.2 |
+1.00 |
|
DK7ZB 19 |
6.59 |
16.15 |
27.7 |
1.97:1 |
5.41 |
5.22 |
22.15 |
8.2 |
230.2 |
+0.68 |
|
InnoV 19 LFA |
6.62 |
15.88 |
48.3 |
1.55:1 |
4.84 |
4.75 |
21.75 |
8.0 |
209.2 |
+0.69 |
|
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 DIAGRAM (losses included)
SWR DIAGRAM 144 - 146 MHz
STACKING
|
Horizontal distance (cm) |
G (dBi) |
TA (K) |
G/T (dB) |
Vertical distance (cm) |
G (dBi) |
TA (K) |
G/T (dB) |
|
100 |
|
|
|
100 |
17.50 |
230.8 |
-6.12 |
|
110 |
15.72 |
385.4 |
-10.16 |
110 |
18.07 |
222.5 |
-5.39 |
|
120 |
17.80 |
230.8 |
-5.82 |
120 |
18.45 |
219.8 |
-4.95 |
|
130 |
18.24 |
229.8 |
-5.36 |
130 |
18.70 |
220.9 |
-4.72 |
|
140 |
18.59 |
228.6 |
-4.99 |
140 |
18.89 |
223.2 |
-4.58 |
|
150 |
18.86 |
226.6 |
-4.68 |
150 |
19.05 |
223.4 |
-4.42 |
|
160 |
19.07 |
224.9 |
-4.43 |
160 |
19.20 |
220.8 |
-4.22 |
|
170 |
19.24 |
223.8 |
-4.24 |
170 |
19.35 |
218.2 |
-4.02 |
|
180 |
19.38 |
223.0 |
-4.09 |
180 |
19.47 |
216.6 |
-3.87 |
|
190 |
19.50 |
222.5 |
-3.96 |
190 |
19.58 |
215.9 |
-3.74 |
|
200 |
19.60 |
222.0 |
-3.85 |
200 |
19.67 |
215.6 |
-3.65 |
|
210 |
19.70 |
221.7 |
-3.74 |
210 |
19.76 |
215.5 |
-3.56 |
|
220 |
19.78 |
221.4 |
-3.65 |
220 |
19.84 |
215.6 |
-3.48 |
|
230 |
19.86 |
221.1 |
-3.57 |
230 |
19.92 |
215.6 |
-3.40 |
|
240 |
19.94 |
220.9 |
-3.49 |
240 |
20.00 |
215.8 |
-3.32 |
|
250 |
20.01 |
220.7 |
-3.41 |
250 |
20.07 |
216.1 |
-3.26 |
|
260 |
20.08 |
220.6 |
-3.34 |
260 |
20.14 |
216.4 |
-3.20 |
|
270 |
20.14 |
220.4 |
-3.28 |
270 |
20.20 |
216.9 |
-3.15 |
|
280 |
20.21 |
220.2 |
-3.20 |
280 |
20.26 |
217.5 |
-3.10 |
|
290 |
20.27 |
220.0 |
-3.14 |
290 |
20.32 |
218.1 |
-3.05 |
|
300 |
20.33 |
219.7 |
-3.07 |
300 |
20.38 |
218.8 |
-3.00 |
|
310 |
20.39 |
219.3 |
-3.00 |
310 |
20.43 |
219.3 |
-2.96 |
|
320 |
20.45 |
219.0 |
-2.94 |
320 |
20.49 |
219.9 |
-2.91 |
|
330 |
20.50 |
218.6 |
-2.88 |
330 |
20.54 |
220.4 |
-2.87 |
|
340 |
20.56 |
218.2 |
-2.81 |
340 |
20.59 |
220.9 |
-2.84 |
|
350 |
20.62 |
217.8 |
-2.74 |
350 |
20.64 |
221.5 |
-2.80 |
|
360 |
20.67 |
217.4 |
-2.69 |
360 |
20.69 |
222.0 |
-2.76 |
|
370 |
20.73 |
217.1 |
-2.62 |
370 |
20.74 |
222.2 |
-2.71 |
|
380 |
20.78 |
216.9 |
-2.56 |
380 |
20.79 |
221.9 |
-2.65 |
|
390 |
20.83 |
216.7 |
-2.51 |
390 |
20.84 |
221.2 |
-2.59 |
|
400 |
20.89 |
216.6 |
-2.45 |
400 |
20.90 |
220.4 |
-2.52 |
|
410 |
20.93 |
216.5 |
-2.41 |
410 |
20.95 |
219.6 |
-2.45 |
|
420 |
20.98 |
216.4 |
-2.35 |
420 |
21.00 |
218.9 |
-2.38 |
|
430 |
21.03 |
216.4 |
-2.30 |
430 |
21.05 |
218.2 |
-2.32 |
|
440 |
21.07 |
216.3 |
-2.26 |
440 |
21.09 |
217.6 |
-2.27 |
|
450 |
21.11 |
216.3 |
-2.22 |
450 |
21.13 |
217.0 |
-2.22 |
|
460 |
21.14 |
216.3 |
-2.19 |
460 |
21.17 |
216.5 |
-2.17 |
|
470 |
21.18 |
216.2 |
-2.15 |
470 |
21.20 |
216.0 |
-2.13 |
|
480 |
21.21 |
216.2 |
-2.12 |
480 |
21.24 |
215.4 |
-2.07 |
|
490 |
21.23 |
216.1 |
-2.10 |
490 |
21.26 |
214.9 |
-2.04 |
|
500 |
21.26 |
216.1 |
-2.07 |
500 |
21.29 |
214.4 |
-2.00 |
|
510 |
21.28 |
216.0 |
-2.05 |
510 |
21.31 |
213.9 |
-1.97 |
|
520 |
21.30 |
215.9 |
-2.02 |
520 |
21.33 |
213.5 |
-1.95 |
|
530 |
21.32 |
215.8 |
-2.00 |
530 |
21.35 |
213.2 |
-1.92 |
|
540 |
21.34 |
215.8 |
-1.98 |
540 |
21.36 |
213.2 |
-1.91 |
|
550 |
21.35 |
215.7 |
-1.97 |
550 |
21.37 |
213.2 |
-1.90 |
|
560 |
21.36 |
215.7 |
-1.96 |
560 |
21.38 |
213.5 |
-1.89 |
|
570 |
21.37 |
215.7 |
-1.95 |
570 |
21.39 |
213.8 |
-1.89 |
|
580 |
21.38 |
215.7 |
-1.94 |
580 |
21.39 |
214.1 |
-1.90 |
|
590 |
21.39 |
215.7 |
-1.93 |
590 |
21.40 |
214.3 |
-1.89 |
|
600 |
21.39 |
215.8 |
-1.93 |
600 |
21.40 |
214.3 |
-1.89 |
|
610 |
21.39 |
216.0 |
-1.94 |
610 |
21.40 |
214.3 |
-1.89 |
|
|
|
|
|
620 |
21.41 |
214.4 |
-1.88 |
|
|
|
|
|
620 |
21.41 |
214.5 |
-1.89 |
*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 |
|
4962 |
4883 |
24.10 |
215.1 |
+0.77 |
Per DL6WU formula |
|
6080 |
6160 |
24.33 |
215.2 |
+1.00 |
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 |
18.15 |
26.70 |
18.24 |
16.71 |
24.2 |
24.6 |
218.7 |
-5.25 |
4.6 |
|
Vertical |
18.14 |
26.79 |
14.27 |
16.10 |
23.4 |
23.0 |
222.2 |
-5.33 |
4.9 |
Horizontal polarisation patterns
Vertical polarisation patterns
