ANTENNA Y21505XL2
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) |
|
15 |
10115 |
16.59 |
28.38 |
21.02 |
18.02 |
29.2 |
31.0 |
220.0 |
-6.83 |
6.9 |
WORKING CONDITION:
|
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
|
|
Lowest |
Highest |
||
|
138.900 |
146.100 |
198.3 |
1.07:1 |
DIMENSIONS:
|
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
D8 |
D9 |
D10 |
D11 |
D12 |
D13 |
|
Pos |
0 |
265 |
390 |
525 |
921 |
1566 |
2296 |
3089 |
3934 |
4828 |
5752 |
6655 |
7576 |
8486 |
9378 |
10115 |
|
Length |
1018 |
1032 |
850 |
961 |
947 |
925 |
915 |
893 |
883 |
869 |
863 |
857 |
851 |
845 |
839 |
833 |
|
All elements made of Al tubes Ǿ5mm - 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) |
|
|
G0KSC 15LFA |
4.75 |
14.72 |
49.9 |
1.17:1 |
4.60 |
4.45 |
20.72 |
5.9 |
215.0 |
-0.45 |
|
InnoV 15 LFA |
4.76 |
14.73 |
49.0 |
1.17:1 |
4.60 |
4.45 |
20.74 |
6.6 |
215.4 |
-0.44 |
|
K1FO 18 |
4.78 |
14.37 |
199.9 |
1.32:1 |
4.36 |
4.16 |
20.62 |
2.8 |
228.6 |
-0.82 |
|
InnoV 15 OWL |
4.78 |
14.79 |
52.2 |
1.32:1 |
4.36 |
4.15 |
20.66 |
7.6 |
217.9 |
-0.57 |
|
M2 28 XPOL |
4.81 |
15.18 |
200.1 |
5.19:1 |
4.83 |
4.83 |
21.14 |
13.9 |
243.1 |
-0.57 |
|
DJ9BV 4.8 |
4.82 |
14.63 |
49.7 |
1.29:1 |
4.40 |
4.19 |
20.48 |
6.6 |
242.8 |
-1.22 |
|
M2 5WL |
4.83 |
14.64 |
200.9 |
1.42:1 |
4.56 |
4.36 |
20.58 |
3.7 |
248.1 |
-1.22 |
|
YU7EF 15 |
4.84 |
14.89 |
41.8 |
3.18:1 |
4.46 |
4.24 |
20.78 |
10.3 |
218.1 |
-0.46 |
|
Y21505XL2 |
4.86 |
14.44 |
198.3 |
1.07:1 |
5.28 |
5.32 |
20.60 |
6.9 |
215.2 |
-0.57 |
|
RU1AA_2 |
4.89 |
15.06 |
50.0 |
1.25:1 |
4.62 |
4.42 |
20.98 |
6.6 |
232.5 |
-0.53 |
|
SM5BSZ 14A |
4.89 |
15.13 |
55.3 |
5.63:1 |
4.00 |
4.00 |
20.65 |
7.8 |
231.5 |
-0.85 |
|
RA3AQ 15 |
4.92 |
15.16 |
51.7 |
1.12:1 |
4.59 |
4.59 |
21.11 |
6.8 |
231.9 |
-0.39 |
|
SM5BSZ 14 |
4.95 |
15.27 |
49.3 |
4.37:1 |
5.20 |
5.20 |
21.36 |
5.7 |
239.7 |
-0.29 |
|
K5GW 17 |
4.98 |
14.83 |
48.5 |
1.73:1 |
4.43 |
4.21 |
20.73 |
9.8 |
220.8 |
-0.56 |
|
SM2CEW 19 |
4.99 |
14.92 |
78.4 |
1.62:1 |
4.38 |
4.38 |
20.83 |
9.0 |
223.1 |
-0.50 |
|
G0KSC 16 OWL FD |
4.99 |
14.75 |
51.7 |
1.10:1 |
4.25 |
4.25 |
20.63 |
9.0 |
218.8 |
-0.62 |
|
BVO-5WL |
5.02 |
15.00 |
47.4 |
1.26:1 |
4.58 |
4.58 |
20.97 |
6.9 |
236.2 |
-0.61 |
|
YU7EF 16M |
5.12 |
14.90 |
49.9 |
1.03:1 |
4.36 |
4.16 |
20.70 |
7.0 |
221.9 |
-0.61 |
|
G0KSC 16LFA3R |
5.14 |
15.12 |
49.9 |
1.10:1 |
5.10 |
5.10 |
21.16 |
4.8 |
212.0 |
0.05 |
|
K1FO 19 |
5.16 |
15.10 |
204.9 |
1.25:1 |
4.49 |
4.27 |
20.98 |
3.4 |
225.4 |
-0.40 |
|
G0KSC 16LFA |
5.21 |
15.40 |
49.2 |
1.13:1 |
4.56 |
4.33 |
21.29 |
11.0 |
212.7 |
0.16 |
|
InnoV 16 LFA |
5.23 |
15.12 |
47.3 |
1.13:1 |
4.52 |
4.23 |
20.99 |
7.0 |
213.7 |
-0.16 |
|
RU1AA 15 |
5.27 |
15.44 |
54.6 |
3.70:1 |
4.78 |
4.78 |
21.38 |
9.2 |
230.9 |
-0.10 |
|
M2 18XXX |
5.30 |
15.00 |
199.7 |
1.07:1 |
4.56 |
4.36 |
20.90 |
7.4 |
231.9 |
-0.60 |
|
Z(ohms) - measured on 144.100 MHz Bandwidth – VSWR measured on 145.000 MHz |
||||||||||
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 |
17.88 |
216.1 |
-5.46 |
|
110 |
|
|
|
110 |
17.99 |
213.7 |
-5.30 |
|
120 |
|
|
|
120 |
18.07 |
213.5 |
-5.21 |
|
130 |
17.88 |
232.2 |
-5.77 |
130 |
18.13 |
215.7 |
-5.20 |
|
140 |
|
|
|
140 |
|
|
|
|
150 |
18.14 |
228.9 |
-5.45 |
150 |
18.22 |
221.2 |
-5.22 |
|
160 |
|
|
|
160 |
|
|
|
|
170 |
18.30 |
227.4 |
-5.26 |
170 |
18.32 |
222.0 |
-5.13 |
|
180 |
|
|
|
180 |
|
|
|
|
190 |
18.42 |
226.9 |
-5.13 |
190 |
18.44 |
221.3 |
-5.00 |
|
200 |
|
|
|
200 |
|
|
|
|
210 |
18.53 |
226.7 |
-5.02 |
210 |
18.46 |
220.4 |
-4.86 |
|
220 |
|
|
|
220 |
|
|
|
|
230 |
18.64 |
226.1 |
-4.89 |
230 |
18.68 |
220.6 |
-4.75 |
|
240 |
|
|
|
240 |
|
|
|
|
250 |
18.74 |
225.0 |
-4.77 |
250 |
18.78 |
221.9 |
-4.67 |
|
260 |
|
|
|
260 |
|
|
|
|
270 |
18.85 |
223.5 |
-4.63 |
270 |
18.88 |
223.2 |
-4.60 |
|
280 |
|
|
|
280 |
|
|
|
|
290 |
18.95 |
221.6 |
-4.60 |
290 |
18.99 |
223.1 |
-4.49 |
|
300 |
|
|
|
300 |
|
|
|
|
310 |
19.06 |
219.6 |
-4.35 |
310 |
19.11 |
221.6 |
-4.34 |
|
320 |
|
|
|
320 |
|
|
|
|
330 |
19.17 |
217.9 |
-4.20 |
330 |
19.23 |
219.6 |
-4.18 |
|
340 |
|
|
|
340 |
|
|
|
|
350 |
19.28 |
216.6 |
-4.07 |
350 |
19.35 |
218.2 |
-4.03 |
|
360 |
|
|
|
360 |
19.40 |
217.9 |
-3.97 |
|
370 |
19.39 |
215.8 |
-3.94 |
370 |
19.45 |
217.8 |
-3.92 |
|
380 |
19.44 |
215.6 |
-3.89 |
380 |
19.50 |
217.9 |
-3.87 |
|
390 |
19.48 |
215.4 |
-3.84 |
390 |
19.54 |
217.9 |
-3.83 |
|
400 |
19.52 |
215.4 |
-3.80 |
400 |
|
|
|
|
410 |
19.56 |
215.5 |
-3.76 |
410 |
19.61 |
218.0 |
-3.76 |
|
420 |
19.60 |
215.6 |
-3.72 |
420 |
|
|
|
|
430 |
19.63 |
215.7 |
-3.70 |
430 |
19.68 |
217.7 |
-3.69 |
|
440 |
19.66 |
215.8 |
-3.67 |
440 |
|
|
|
|
450 |
19.68 |
216.0 |
-3.65 |
450 |
19.73 |
217.0 |
-3.62 |
|
460 |
19.71 |
216.2 |
-3.63 |
460 |
19.75 |
216.6 |
-3.60 |
|
470 |
19.73 |
216.3 |
-3.61 |
470 |
19.77 |
216.1 |
-3.57 |
|
480 |
19.74 |
216.5 |
-3.60 |
480 |
19.79 |
215.6 |
-3.54 |
|
490 |
19.76 |
216.7 |
-3.59 |
490 |
19.80 |
215.1 |
-3.52 |
|
500 |
19.77 |
216.8 |
-3.58 |
500 |
19.81 |
214.6 |
-3.50 |
|
510 |
19.78 |
217.0 |
-3.57 |
510 |
19.82 |
21.1 |
-3.48 |
|
520 |
19.79 |
217.2 |
-3.57 |
520 |
19.83 |
213.8 |
-3.46 |
|
530 |
19.80 |
217.4 |
-3.56 |
530 |
19.84 |
213.5 |
-3.44 |
|
540 |
19.80 |
217.6 |
-3.57 |
540 |
19.84 |
213.5 |
-3.44 |
|
550 |
19.81 |
217.8 |
-3.56 |
550 |
19.84 |
213.6 |
-4.45 |
*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 |
|
4127 |
3892 |
22.34 |
216.6 |
-1.02 |
Per DL6WU formula |
|
5280 |
5320 |
22.75 |
215.2 |
-0.57 |
For max G/T |
|
4040 |
1180 |
20.63 |
214.2 |
-2.67 |
For lowest temperature 1 |
|
4040 |
5320 |
22.52 |
214.8 |
-0.80 |
For lowest temperature 1I |
STACKING DIAGRAMS FOR MAX G/T
STACKING DIAGRAMS FOR LOWEST TEMPERATURE I
STACKING DIAGRAMS FOR LOWEST TEMPERATURE II
