ANTENNA QY21810XL2D10
ANTENNA QY21810XL2D10
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) |
|
18 |
12725 |
17.99 |
26.64 |
18.11 |
16.67 |
24.6 |
25.2 |
220.8 |
-5.45 |
4.6 |
WORKING CONDITION:
|
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
|
Lowest |
Highest |
Bandwidth |
||
|
139.000 |
146.100 |
7.100 |
198.6 |
1.08:1 |
DIMENSIONS:
|
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
DQ1 |
|
Pos |
0 |
355 |
425 |
553 |
928 |
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 |
|
|
Pos |
5588 |
6485 |
7404 |
8304 |
9225 |
10155 |
11032 |
11958 |
12725 |
|
|
Length |
498 |
494 |
486 |
480 |
474 |
468 |
465 |
459 |
451 |
|
|
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) |
|
|
QY21810XL2D10 |
6.11 |
15.84 |
198.6 |
1.08:1 |
5.38 |
5.42 |
21.92 |
4.6 |
214.1 |
+0.77 |
|
G0KSC 18 LFA |
6.12 |
15.69 |
47.9 |
1.33:1 |
4.77 |
4.56 |
21.55 |
5.3 |
210.5 |
+0.47 |
|
InnoV 18 LFA |
6.14 |
15.66 |
48.7 |
1.35:1 |
4.73 |
4.56 |
21.52 |
7.7 |
211.0 |
+0.43 |
|
AF9Y 22 |
6.14 |
15.73 |
49.9 |
2.65:1 |
5.01 |
4.85 |
21.66 |
13.1 |
221.4 |
+0.36 |
|
RA3AQ 18 |
6.28 |
16.09 |
54.9 |
1.13:1 |
5.30 |
5.30 |
22.12 |
8.1 |
222.3 |
+0.80 |
|
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)
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 |
17.32 |
234.3 |
-6.36 |
|
110 |
15.35 |
396.1 |
-10.65 |
110 |
17.89 |
225.0 |
-5.62 |
|
120 |
17.59 |
234.6 |
-6.10 |
120 |
18.26 |
221.8 |
-5.18 |
|
130 |
18.03 |
234.0 |
-5.65 |
130 |
18.51 |
222.6 |
-4.95 |
|
140 |
18.39 |
232.3 |
-5.26 |
140 |
18.70 |
224.8 |
-4.80 |
|
150 |
18.66 |
229.6 |
-4.94 |
150 |
18.86 |
224.7 |
-4.64 |
|
160 |
18.88 |
227.5 |
-4.67 |
160 |
19.01 |
221.9 |
-4.43 |
|
170 |
19.05 |
226.1 |
-4.48 |
170 |
19.16 |
219.1 |
-4.23 |
|
180 |
19.19 |
225.2 |
-4.32 |
180 |
19.28 |
217.5 |
-4.08 |
|
190 |
19.31 |
224.5 |
-4.19 |
190 |
19.39 |
216.8 |
-3.95 |
|
200 |
19.42 |
224.1 |
-4.07 |
200 |
19.49 |
216.5 |
-3.85 |
|
210 |
19.51 |
223.8 |
-3.97 |
210 |
19.58 |
216.5 |
-3.75 |
|
220 |
19.60 |
223.5 |
-3.88 |
220 |
19.66 |
216.5 |
-3.68 |
|
230 |
19.68 |
223.3 |
-3.79 |
230 |
19.74 |
216.7 |
-3.60 |
|
240 |
19.76 |
223.2 |
-3.71 |
240 |
19.82 |
217.0 |
-3.53 |
|
250 |
19.83 |
223.0 |
-3.64 |
250 |
19.89 |
217.5 |
-3.47 |
|
260 |
19.90 |
222.9 |
-3.56 |
260 |
19.96 |
218.1 |
-3.41 |
|
270 |
19.96 |
222.8 |
-3.50 |
270 |
20.02 |
218.9 |
-3.36 |
|
280 |
20.03 |
222.5 |
-3.43 |
280 |
20.08 |
219.8 |
-3.32 |
|
290 |
20.09 |
222.2 |
-3.36 |
290 |
20.14 |
220.6 |
-3.28 |
|
300 |
20.15 |
221.9 |
-3.29 |
300 |
20.20 |
221.3 |
-3.23 |
|
310 |
20.21 |
221.4 |
-3.22 |
310 |
20.25 |
221.9 |
-3.19 |
|
320 |
20.27 |
221.0 |
-3.16 |
320 |
20.31 |
222.4 |
-3.14 |
|
330 |
20.33 |
220.5 |
-3.09 |
330 |
20.36 |
222.8 |
-3.10 |
|
340 |
20.39 |
220.0 |
-3.02 |
340 |
20.42 |
223.3 |
-3.05 |
|
350 |
20.44 |
219.6 |
-2.96 |
350 |
20.47 |
223.9 |
-3.01 |
|
360 |
20.50 |
219.2 |
-2.89 |
360 |
20.52 |
224.3 |
-2.97 |
|
370 |
20.56 |
218.8 |
-2.82 |
370 |
20.57 |
224.5 |
-2.93 |
|
380 |
20.61 |
218.6 |
-2.77 |
380 |
20.62 |
224.2 |
-2.87 |
|
390 |
20.66 |
218.4 |
-2.71 |
390 |
20.68 |
223.5 |
-2.80 |
|
400 |
20.71 |
218.2 |
-2.66 |
400 |
20.73 |
222.7 |
-2.73 |
|
410 |
20.76 |
218.1 |
-2.61 |
410 |
20.78 |
221.8 |
-2.66 |
|
420 |
20.81 |
218.1 |
-2.56 |
420 |
20.83 |
221.0 |
-2.60 |
|
430 |
20.85 |
218.0 |
-2.52 |
430 |
20.88 |
220.3 |
-2.53 |
|
440 |
20.89 |
218.0 |
-2.48 |
440 |
20.92 |
219.6 |
-2.48 |
|
450 |
20.92 |
218.0 |
-2.45 |
450 |
20.96 |
219.0 |
-2.43 |
|
460 |
20.96 |
218.0 |
-2.41 |
460 |
20.99 |
218.3 |
-2.38 |
|
470 |
20.99 |
217.9 |
-2.37 |
470 |
21.02 |
217.7 |
-2.34 |
|
480 |
21.02 |
217.9 |
-2.34 |
480 |
21.05 |
217.1 |
-2.30 |
|
490 |
21.04 |
217.8 |
-2.32 |
490 |
21.08 |
216.4 |
-2.25 |
|
500 |
21.07 |
217.8 |
-2.29 |
500 |
21.10 |
215.8 |
-2.22 |
|
510 |
21.09 |
217.7 |
-2.27 |
510 |
21.12 |
215.3 |
-2.19 |
|
520 |
21.10 |
217.6 |
-2.26 |
520 |
21.14 |
214.8 |
-2.16 |
|
530 |
21.12 |
217.6 |
-2.24 |
530 |
21.15 |
214.5 |
-2.14 |
|
540 |
21.13 |
217.6 |
-2.23 |
540 |
21.16 |
214.4 |
-2.13 |
|
550 |
21.14 |
217.6 |
-2.22 |
550 |
21.17 |
214.5 |
-2.12 |
|
560 |
21.15 |
217.6 |
-2.21 |
560 |
21.18 |
214.8 |
-2.12 |
|
570 |
21.16 |
217.7 |
-2.20 |
570 |
21.18 |
215.2 |
-2.13 |
|
580 |
21.17 |
217.8 |
-2.19 |
580 |
21.18 |
215.6 |
-2.14 |
|
590 |
21.17 |
217.9 |
-2.19 |
590 |
21.18 |
215.9 |
-2.14 |
|
600 |
21.18 |
218.1 |
-2.19 |
600 |
21.19 |
216.1 |
-2.14 |
*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 |
|
4883 |
4769 |
23.88 |
216.9 |
+0.52 |
Per DL6WU formula |
|
5380 |
5420 |
24.07 |
214.1 |
+0.77 |
For max G/T |
|
5380 |
5420 |
24.07 |
214.1 |
+0.77 |
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 |
17.99 |
26.64 |
18.11 |
16.67 |
24.6 |
25.2 |
220.8 |
-5.45 |
4.6 |
|
Vertical |
18.11 |
26.57 |
14.61 |
16.16 |
24.2 |
23.8 |
224.1 |
-5.40 |
4.7 |
Horizontal polarisation patterns
Vertical polarisation patterns
