ANTENNA QY21206XL3D5
ANTENNA QY21206XL3D5
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) |
|
12 |
6845 |
15.56 |
35.30 |
20.39 |
19.18 |
32.6 |
34.6 |
220.7 |
-7.88 |
5.7 |
WORKING CONDITION:
|
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
|
Lowest |
Highest |
Bandwidth |
||
|
141.200 |
146.100 |
4.900 |
199.6 |
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 |
235 |
345 |
421 |
735 |
1286 |
1959 |
2729 |
|
|
Length |
1016 |
1032 |
830 |
952 |
956 |
933 |
913 |
894 |
|
|
|
DQ1 |
DQ2 |
DQ3 |
DQ4 |
DQ5 |
|
|
|
|
|
Pos |
3554 |
4375 |
5274 |
6122 |
6845 |
|
|
|
|
|
Length |
518 |
502 |
488 |
476 |
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) |
|
|
QY21206XL3D5 |
3.29 |
13.40 |
199.5 |
1.07:1 |
3.96 |
3.56 |
19.37 |
5.7 |
219.5 |
-1.90 |
|
G0KSC 12LFA |
3.32 |
13.44 |
49.9 |
1.07:1 |
3.78 |
3.52 |
19.36 |
4.0 |
220.5 |
-1.92 |
|
G0KSC 12OWA |
3.33 |
13.33 |
49.3 |
1.05:1 |
3.85 |
3.50 |
19.28 |
5.7 |
224.3 |
-2.08 |
|
G4CQM 11 |
3.36 |
13.55 |
46.2 |
1.94:1 |
3.92 |
3.66 |
19.50 |
8.3 |
232.0 |
-2.01 |
|
DK7ZB 11 |
3.40 |
13.68 |
27.9 |
1.27:1 |
3.94 |
3.71 |
19.61 |
5.0 |
234.3 |
-1.94 |
|
UA9TC 12RS |
3.40 |
13.55 |
51.7 |
1.09:1 |
3.80 |
3.56 |
19.46 |
5.1 |
218.2 |
-1.78 |
|
G0KSC 12LFA |
3.41 |
13.64 |
50.1 |
1.18:1 |
3.90 |
3.70 |
19.58 |
4.3 |
221.2 |
-1.72 |
|
MBI 3.4 |
3.42 |
13.58 |
37.7 |
1.62:1 |
3.87 |
3.62 |
19.49 |
9.2 |
227.7 |
-1.93 |
|
G0KSC 12LFA 2R |
3.43 |
13.46 |
50.3 |
1.06:1 |
3.95 |
3.75 |
19.48 |
4.9 |
220.5 |
-1.80 |
|
InnoV 12 LFA |
3.43 |
13.56 |
49.3 |
1.07:1 |
3.80 |
3.60 |
19.47 |
5.4 |
218.9 |
-1.78 |
|
Gulf Alpha 14 |
3.44 |
13.24 |
198.0 |
1.21:1 |
3.71 |
3.44 |
19.14 |
5.5 |
229.6 |
-2.32 |
|
Gulf Alpha 114 XPOL |
3.44 |
13.25 |
200.5 |
1.21:1 |
3.57 |
3.57 |
19.14 |
5.5 |
231.8 |
-2.37 |
|
YU7EF 12 |
3.49 |
13.67 |
45.4 |
1.77:1 |
3.85 |
3.60 |
19.55 |
6.1 |
221.1 |
-1.75 |
|
Z(ohms) - measured on 144.100 MHz Bandwidth – VSWR measured on 145.000 MHz Data taken from VE7BQH G/T table |
||||||||||
SWR 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 |
16.54 |
223.5 |
-6.94 |
|
110 |
15.88 |
238.5 |
-7.90 |
110 |
16.72 |
218.4 |
-6.66 |
|
120 |
16.33 |
238.4 |
-7.43 |
120 |
16.86 |
216.1 |
-6.47 |
|
130 |
16.63 |
233.3 |
-7.04 |
130 |
16.97 |
216.2 |
-6.36 |
|
140 |
16.83 |
229.3 |
-6.76 |
140 |
17.06 |
217.7 |
-6.30 |
|
150 |
16.99 |
226.4 |
-6.55 |
150 |
17.15 |
218.6 |
-6.23 |
|
160 |
17.12 |
224.5 |
-6.38 |
160 |
17.24 |
217.9 |
-6.13 |
|
170 |
17.24 |
223.2 |
-6.23 |
170 |
17.34 |
216.8 |
-6.00 |
|
180 |
17.34 |
222.3 |
-6.11 |
180 |
17.43 |
216.2 |
-5.90 |
|
190 |
17.43 |
221.6 |
-6.01 |
190 |
17.52 |
216.3 |
-5.81 |
|
200 |
17.51 |
221.1 |
-5.92 |
200 |
17.60 |
216.8 |
-5.74 |
|
210 |
17.60 |
220.6 |
-5.82 |
210 |
17.68 |
217.8 |
-5.68 |
|
220 |
17.67 |
220.2 |
-5.74 |
220 |
17.75 |
219.0 |
-5.64 |
|
230 |
17.75 |
219.8 |
-5.65 |
230 |
17.82 |
220.0 |
-5.59 |
|
240 |
17.82 |
219.4 |
-5.58 |
240 |
17.90 |
220.6 |
-5.52 |
|
250 |
17.89 |
219.1 |
-5.50 |
250 |
17.97 |
220.7 |
-5.45 |
|
260 |
17.97 |
218.7 |
-4.41 |
260 |
18.04 |
220.3 |
-5.37 |
|
270 |
18.04 |
218.4 |
-5.34 |
270 |
18.12 |
219.6 |
-5.28 |
|
280 |
18.11 |
218.1 |
-5.26 |
280 |
18.20 |
218.7 |
-5.18 |
|
290 |
18.18 |
217.8 |
-5.18 |
290 |
18.27 |
217.8 |
-5.09 |
|
300 |
18.25 |
217.6 |
-5.11 |
300 |
18.35 |
217.0 |
-5.00 |
|
310 |
18.31 |
217.4 |
-5.05 |
310 |
18.41 |
216.5 |
-4.93 |
|
320 |
18.37 |
217.3 |
-4.98 |
320 |
18.47 |
216.3 |
-4.86 |
|
330 |
18.43 |
217.2 |
-4.92 |
330 |
18.53 |
216.5 |
-4.81 |
|
340 |
18.48 |
217.2 |
-4.87 |
340 |
18.57 |
217.0 |
-4.78 |
|
350 |
18.53 |
217.3 |
-4.82 |
350 |
18.61 |
217.9 |
-4.76 |
|
360 |
18.57 |
217.5 |
-4.79 |
360 |
18.64 |
218.9 |
-4.75 |
|
370 |
18.60 |
217.7 |
-4.76 |
370 |
18.67 |
219.9 |
-4.74 |
|
380 |
18.63 |
217.9 |
-4.74 |
380 |
18.69 |
220.7 |
-4.73 |
|
390 |
18.66 |
218.2 |
-4.71 |
390 |
18.71 |
221.2 |
-4.72 |
|
400 |
18.68 |
218.5 |
-4.70 |
400 |
18.73 |
221.4 |
-4.71 |
|
410 |
18.70 |
218.8 |
-4.68 |
410 |
18.74 |
221.5 |
-4.70 |
|
420 |
18.71 |
219.1 |
-4.68 |
420 |
18.75 |
221.5 |
-4.69 |
|
430 |
18.73 |
219.3 |
-4.66 |
430 |
18.76 |
221.2 |
-4.67 |
|
440 |
18.73 |
219.5 |
-4.67 |
440 |
18.77 |
220.9 |
-4.66 |
|
450 |
18.74 |
219.7 |
-4.66 |
450 |
18.77 |
220.5 |
-4.65 |
*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 |
|
3706 |
3498 |
21.45 |
218.7 |
-1.95 |
5.7 |
Per DL6WU formula |
|
3960 |
3560 |
21.53 |
219.9 |
-1.90 |
5.7 |
For max G/T |
|
3660 |
3120 |
21.25 |
216.4 |
-2.11 |
5.7 |
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 |
15.56 |
35.30 |
20.39 |
19.18 |
32.6 |
34.6 |
220.7 |
-7.88 |
5.7 |
|
Vertical |
15.61 |
34.79 |
18.44 |
20.30 |
34.0 |
32.2 |
221.8 |
-7.85 |
6.0 |
Horizontal polarisation patterns
Vertical polarisation patterns
