ANTENNA Y21508XL6
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 |
16.96 |
26.62 |
19.51 |
16.72 |
27.6 |
29.2 |
225.8 |
-6.58 |
5.2 |
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 |
198.6 |
1.07:1 |
DIMENSIONS:
|
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
D8 |
D9 |
D10 |
D11 |
D12 |
D13 |
|
Pos |
0 |
265 |
390 |
528 |
921 |
1566 |
2296 |
3089 |
3934 |
4828 |
5752 |
6655 |
7576 |
8486 |
9384 |
10115 |
|
Length |
1010 |
1032 |
850 |
950 |
936 |
915 |
905 |
884 |
871 |
857 |
855 |
853 |
849 |
843 |
837 |
831 |
|
All elements made of Al tubes Ǿ8mm - 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 |
|
Y21508XL6 |
4.86 |
14.81 |
198.6 |
1.07:1 |
5.42 |
5.42 |
20.98 |
5.2 |
218.8 |
-0.27 |
|
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 |
17.76 |
224.7 |
-5.75 |
|
110 |
|
|
|
110 |
17.95 |
220.3 |
-5.47 |
|
120 |
|
|
|
120 |
18.08 |
218.7 |
-5.31 |
|
130 |
17.62 |
249.3 |
-6.35 |
130 |
18.19 |
220.0 |
-5.22 |
|
140 |
|
|
|
140 |
|
|
|
|
150 |
18.11 |
242.3 |
-5.73 |
150 |
18.33 |
225.1 |
-5.18 |
|
160 |
|
|
|
160 |
|
|
|
|
170 |
18.38 |
238.0 |
-5.38 |
170 |
18.48 |
225.9 |
-5.05 |
|
180 |
|
|
|
180 |
|
|
|
|
190 |
18.56 |
235.8 |
-5.16 |
190 |
18.63 |
225.5 |
-4.89 |
|
200 |
|
|
|
200 |
|
|
|
|
210 |
18.72 |
234.5 |
-4.97 |
210 |
18.79 |
224.8 |
-4.72 |
|
220 |
|
|
|
220 |
|
|
|
|
230 |
18.85 |
233.3 |
-4.82 |
230 |
18.92 |
225.2 |
-4.60 |
|
240 |
|
|
|
240 |
|
|
|
|
250 |
18.98 |
231.9 |
-4.66 |
250 |
19.04 |
227.3 |
-4.52 |
|
260 |
|
|
|
260 |
|
|
|
|
270 |
19.10 |
230.1 |
-4.51 |
270 |
19.15 |
229.4 |
-4.45 |
|
280 |
|
|
|
280 |
|
|
|
|
290 |
19.22 |
227.9 |
-4.35 |
290 |
19.26 |
229.8 |
-4.34 |
|
300 |
|
|
|
300 |
|
|
|
|
310 |
19.34 |
225.6 |
-4.18 |
310 |
19.39 |
228.4 |
-4.19 |
|
320 |
|
|
|
320 |
|
|
|
|
330 |
19.46 |
223.6 |
-4.02 |
330 |
19.52 |
226.1 |
-4.01 |
|
340 |
|
|
|
340 |
|
|
|
|
350 |
19.58 |
222.0 |
-3.87 |
350 |
19.65 |
224.5 |
-3.85 |
|
360 |
|
|
|
360 |
|
|
|
|
370 |
19.69 |
221.1 |
-3.75 |
370 |
19.76 |
223.9 |
-3.73 |
|
380 |
19.74 |
220.9 |
-3.69 |
380 |
|
|
|
|
390 |
19.79 |
220.7 |
-3.64 |
390 |
19.85 |
223.9 |
-3.64 |
|
400 |
19.84 |
220.7 |
-3.59 |
400 |
|
|
|
|
410 |
19.88 |
220.8 |
-3.55 |
410 |
19.93 |
224.0 |
-3.56 |
|
420 |
19.92 |
221.0 |
-3.51 |
420 |
|
|
|
|
430 |
19.95 |
221.1 |
-3.49 |
430 |
20.00 |
223.7 |
-3.49 |
|
440 |
19.98 |
221.3 |
-3.46 |
440 |
|
|
|
|
450 |
20.01 |
221.5 |
-3.43 |
450 |
20.05 |
222.9 |
-3.42 |
|
460 |
20.03 |
221.7 |
-3.42 |
460 |
|
|
|
|
470 |
20.05 |
221.9 |
-3.40 |
470 |
20.10 |
221.7 |
-3.35 |
|
480 |
20.07 |
222.1 |
-3.38 |
480 |
|
|
|
|
490 |
20.09 |
222.3 |
-3.37 |
490 |
20.14 |
220.5 |
-3.28 |
|
500 |
20.11 |
222.4 |
-3.35 |
500 |
20.15 |
219.9 |
-3.26 |
|
510 |
20.12 |
222.6 |
-3.34 |
510 |
20.16 |
219.3 |
-3.24 |
|
520 |
20.13 |
222.8 |
-3.34 |
520 |
20.17 |
218.8 |
-3.22 |
|
530 |
20.14 |
222.9 |
-3.33 |
530 |
20.18 |
218.4 |
-3.20 |
|
540 |
20.14 |
223.1 |
-3.34 |
540 |
20.18 |
218.3 |
-3.19 |
|
550 |
20.15 |
223.4 |
-3.33 |
550 |
20.19 |
218.3 |
-3.19 |
*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.
BEST DISTANCES FOR 4 ANTENNAS IN H-STACK
|
Horizontal distance (cm) |
Vertical distance (cm) |
G (dBi) |
TA (K) |
G/T (dB) |
Remark |
|
4361 |
4127 |
22.80 |
222.0 |
-0.67 |
Per DL6WU formula |
|
5520 |
5420 |
23.13 |
218.8 |
-0.27 |
For max G/T |
|
4060 |
1180 |
20.62 |
219.5 |
-2.80 |
For lowest temperature I |
|
4060 |
5420 |
22.87 |
218.7 |
-0.53 |
For lowest temperature II |
STACKING DIAGRAMS FOR MAX G/T
STACKING DIAGRAMS FOR LOWEST TEMPERATURE I
STACKING DIAGRAMS FOR LOWEST TEMPERATURE II
