ANTENNA Y21405XL9
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) |
|
14 |
9235 |
16.28 |
28.66 |
21.74 |
18.31 |
30.4 |
32.2 |
219.2 |
-7.13 |
6.6 |
WORKING CONDITION:
|
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
|
|
Lowest |
Highest |
||
|
138.800 |
146.100 |
199.6 |
1.08:1 |
DIMENSIONS:
|
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
D8 |
D9 |
D10 |
D11 |
D12 |
|
Pos |
0 |
265 |
390 |
525 |
921 |
1566 |
2296 |
3089 |
3934 |
4828 |
5752 |
6655 |
7584 |
8486 |
9235 |
|
Length |
1018 |
1032 |
850 |
961 |
947 |
925 |
915 |
893 |
883 |
868 |
861 |
853 |
849 |
843 |
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 14LFA3R |
4.23 |
14.44 |
48.8 |
1.07:1 |
4.19 |
4.00 |
20.35 |
2.4 |
216.5 |
-0.86 |
|
YU7EF 14M |
4.24 |
14.23 |
48.6 |
1.07:1 |
4.07 |
3.85 |
20.08 |
7.0 |
220.1 |
-1.20 |
|
UA9TC 14RS |
4.24 |
14.33 |
49.5 |
1.06:1 |
4.13 |
3.80 |
20.22 |
5.2 |
216.7 |
-0.99 |
|
G0KSC 14 LFA |
4.30 |
14.51 |
47.1 |
1.22:1 |
4.24 |
4.02 |
20.41 |
5.5 |
218.1 |
-0.82 |
|
KF2YN Boxkite 16 |
4.30 |
15.85 |
50.5 |
1.16:1 |
5.50 |
5.10 |
21.83 |
6.2 |
227.4 |
0.41 |
|
InnoV 14 LFA |
4.32 |
14.45 |
48.6 |
1.10:1 |
4.18 |
3.97 |
20.34 |
6.6 |
215.6 |
-0.85 |
|
YU7EF 14 |
4.37 |
14.48 |
41.0 |
2.30:1 |
4.21 |
4.00 |
20.33 |
8.8 |
220.0 |
-0.94 |
|
YU7EF 14LT |
4.37 |
13.91 |
47.8 |
1.29:1 |
3.89 |
3.64 |
19.60 |
11.7 |
211.0 |
-1.49 |
|
K1FO 17 |
4.40 |
14.44 |
27.7 |
1.25:1 |
4.24 |
4.02 |
20.34 |
4.9 |
229.5 |
-1.12 |
|
DJ9BV 4.4 |
4.41 |
14.32 |
38.3 |
1.36:1 |
4.27 |
4.07 |
20.18 |
6.6 |
251.5 |
-1.68 |
|
Y21405XL9 |
4.44 |
14.13 |
199.6 |
1.08:1 |
5.38 |
5.32 |
20.19 |
6.6 |
215.7 |
-1.00 |
|
SHARK 20 |
4.47 |
14.34 |
42.8 |
1.05:1 |
4.33 |
4.10 |
20.19 |
3.9 |
258.5 |
-1.79 |
|
I0JXX 16 |
4.47 |
14.36 |
30.4 |
1.05:1 |
4.05 |
4.05 |
20.24 |
8.4 |
217.5 |
-0.98 |
|
CC17B2 |
4.49 |
14.53 |
200.1 |
1.20:1 |
4.27 |
4.07 |
20.43 |
5.9 |
228.6 |
-1.01 |
|
RA3AQ-14 |
4.61 |
14.71 |
50.0 |
1.19:1 |
4.27 |
4.07 |
20.55 |
5.0 |
219.1 |
-0.71 |
|
G4CQM 16 |
4.64 |
14.55 |
50.9 |
1.78:1 |
4.39 |
4.18 |
20.47 |
8.8 |
234.6 |
-1.08 |
|
YU7EF 15M |
4.68 |
14.59 |
48.6 |
1.03:1 |
4.21 |
4.00 |
20.40 |
7.0 |
221.7 |
-0.89 |
|
DK7ZB 14 |
4.73 |
14.92 |
26.9 |
1.50:1 |
4.59 |
4.39 |
20.87 |
6.8 |
233.0 |
-0.65 |
|
DG7YBN 16 |
4.74 |
14.79 |
46.6 |
1.18:1 |
4.45 |
4.60 |
20.79 |
6.1 |
222.4 |
-0.53 |
|
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 |
|
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 |
17.58 |
216.3 |
-5.76 |
|
110 |
|
|
|
110 |
17.69 |
213.9 |
-5.60 |
|
120 |
|
|
|
120 |
17.77 |
213.7 |
-5.52 |
|
130 |
17.59 |
232.2 |
-6.06 |
130 |
17.84 |
215.9 |
-5.49 |
|
140 |
|
|
|
140 |
|
|
|
|
150 |
17.84 |
228.8 |
-5.75 |
150 |
17.92 |
221.4 |
-5.52 |
|
160 |
|
|
|
160 |
|
|
|
|
170 |
18.00 |
226.9 |
-5.55 |
170 |
18.03 |
222.0 |
-5.42 |
|
180 |
|
|
|
180 |
|
|
|
|
190 |
18.13 |
226.0 |
-5.40 |
190 |
18.16 |
221.3 |
-5.28 |
|
200 |
|
|
|
200 |
|
|
|
|
210 |
18.25 |
225.3 |
-5.27 |
210 |
18.29 |
220.6 |
-5.14 |
|
220 |
|
|
|
220 |
|
|
|
|
230 |
18.36 |
224.4 |
-5.14 |
230 |
18.41 |
220.8 |
-5.02 |
|
240 |
|
|
|
240 |
|
|
|
|
250 |
18.47 |
223.0 |
-5.00 |
250 |
18.52 |
221.8 |
-4.93 |
|
260 |
|
|
|
260 |
|
|
|
|
270 |
18.59 |
221.3 |
-4.85 |
270 |
18.63 |
222.2 |
-4.83 |
|
280 |
|
|
|
280 |
|
|
|
|
290 |
18.70 |
219.5 |
-4.70 |
290 |
18.75 |
221.1 |
-4.69 |
|
300 |
|
|
|
300 |
|
|
|
|
310 |
18.82 |
217.8 |
-4.55 |
310 |
18.88 |
219.0 |
-4.51 |
|
320 |
|
|
|
320 |
|
|
|
|
330 |
18.94 |
216.4 |
-4.40 |
330 |
19.01 |
217.0 |
-4.34 |
|
340 |
|
|
|
340 |
19.07 |
216.3 |
-4.27 |
|
350 |
19.05 |
215.5 |
-4.27 |
350 |
19.13 |
216.0 |
-4.20 |
|
360 |
19.10 |
215.2 |
-4.22 |
360 |
19.18 |
216.0 |
-4.15 |
|
370 |
19.15 |
215.0 |
-4.16 |
370 |
19.22 |
216.2 |
-4.12 |
|
380 |
19.19 |
215.0 |
-4.12 |
380 |
19.26 |
216.5 |
-4.08 |
|
390 |
19.23 |
215.0 |
-4.08 |
390 |
19.29 |
216.9 |
-4.06 |
|
400 |
19.27 |
215.1 |
-4.05 |
400 |
19.42 |
217.2 |
-3.94 |
|
410 |
19.30 |
215.3 |
-4.02 |
410 |
19.35 |
217.4 |
-4.01 |
|
420 |
19.33 |
215.5 |
-3.99 |
420 |
19.38 |
217.4 |
-3.98 |
|
430 |
19.36 |
215.7 |
-3.97 |
430 |
19.40 |
217.4 |
-3.96 |
|
440 |
19.38 |
215.9 |
-3.95 |
440 |
19.42 |
217.2 |
-3.94 |
|
450 |
19.40 |
216.1 |
-3.94 |
450 |
19.44 |
217.0 |
-3.91 |
|
460 |
19.42 |
216.3 |
-3.92 |
460 |
19.46 |
216.7 |
-3.89 |
|
470 |
19.43 |
216.4 |
-3.91 |
470 |
19.47 |
216.3 |
-3.87 |
|
480 |
19.45 |
216.6 |
-3.90 |
480 |
19.48 |
215.8 |
-3.85 |
|
490 |
19.46 |
216.8 |
-3.89 |
490 |
19.49 |
215.3 |
-3.83 |
|
500 |
19.46 |
216.9 |
-3.89 |
500 |
19.50 |
214.8 |
-3.81 |
|
510 |
19.47 |
217.0 |
-3.88 |
510 |
19.51 |
214.4 |
-3.79 |
|
520 |
19.48 |
217.1 |
-3.88 |
520 |
19.51 |
214.1 |
-3.78 |
|
530 |
19.48 |
217.3 |
-3.88 |
530 |
19.51 |
213.9 |
-3.78 |
|
|
|
|
|
540 |
19.51 |
213.9 |
-3.78 |
|
|
|
|
|
550 |
19.51 |
214.1 |
-3.79 |
*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 |
|
3967 |
3751 |
22.04 |
215.9 |
-1.30 |
Per DL6WU formula |
|
5380 |
5320 |
22.34 |
215.7 |
-1.00 |
For max G/T |
|
3960 |
1180 |
20.38 |
213.9 |
-2.92 |
For lowest temperature I |
|
3960 |
3680 |
22.01 |
215.5 |
-1.33 |
For lowest temperature II |
|
3960 |
5320 |
22.23 |
215.3 |
-1.10 |
For lowest temperature III |
STACKING DIAGRAMS FOR MAX G/T
STACKING DIAGRAMS FOR LOWEST TEMPERATURE I
STACKING DIAGRAMS FOR LOWEST TEMPERATURE II
STACKING DIAGRAMS FOR LOWEST TEMPERATURE II
