ANTENNA Y21205XL5
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 |
7265 |
15.36 |
28.91 |
24.94 |
19.31 |
33.4 |
36.4 |
218.0 |
-8.02 |
6.6 |
WORKING CONDITION:
|
Frequency for SWR=1,5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
|
|
Lowest |
Highest |
||
|
140.200 |
146.200 |
198.5 |
1.07:1 |
DIMENSIONS:
|
|
Ref |
De1 |
De2 |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
D8 |
D9 |
D10 |
|
Pos |
0 |
205 |
410 |
524 |
858 |
1448 |
2168 |
2949 |
3809 |
4664 |
5614 |
6495 |
7265 |
|
Length |
1018 |
1018 |
800 |
964 |
955 |
930 |
909 |
895 |
883 |
861 |
853 |
849 |
837 |
|
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) |
|
|
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 |
|
Y21205XL5 |
3.49 |
13.21 |
198.5 |
1.07:1 |
4.14 |
3.74 |
19.32 |
6.6 |
221.7 |
-1.98 |
|
SM5BSZ 11 |
3.51 |
13.95 |
54.4 |
3.06:1 |
4.05 |
3.80 |
19.81 |
6.3 |
238.8 |
-1.82 |
|
SM5BSZ 11A |
3.53 |
14.01 |
52.3 |
3.03:1 |
4.13 |
3.92 |
19.93 |
6.1 |
245.4 |
-1.82 |
|
17LQD EKM#1 |
3.59 |
13.30 |
50.0 |
1.23:1 |
3.75 |
3.52 |
19.21 |
4.2 |
242.1 |
-2.48 |
|
17LQD EKM#2 |
3.59 |
13.39 |
50.0 |
1.25:1 |
3.75 |
3.50 |
19.32 |
4.5 |
227.5 |
-2.10 |
|
DL6WU 14 |
3.61 |
13.63 |
51.4 |
1.28:1 |
3.94 |
3.70 |
19.53 |
2.6 |
246.9 |
-2.24 |
|
DJ9BV 3.6 |
3.61 |
13.67 |
53.5 |
1.30:1 |
4.00 |
3.78 |
19.57 |
5.4 |
249.7 |
-2.25 |
|
K1FO 15 |
3.64 |
13.76 |
39.1 |
1.30:1 |
3.94 |
3.71 |
19.67 |
4.8 |
233.0 |
-1.85 |
|
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 |
16.77 |
215.1 |
-6.54 |
|
110 |
|
|
|
110 |
16.88 |
212.4 |
-6.37 |
|
120 |
|
|
|
120 |
16.97 |
211.6 |
-6.27 |
|
130 |
16.83 |
228.4 |
-6.74 |
130 |
17.04 |
212.6 |
-6.22 |
|
140 |
|
|
|
140 |
|
|
|
|
150 |
17.06 |
222.9 |
-6.41 |
150 |
17.17 |
215.3 |
-6.14 |
|
160 |
|
|
|
160 |
|
|
|
|
170 |
17.22 |
220.4 |
-6.20 |
170 |
17.31 |
214.6 |
-5.99 |
|
180 |
|
|
|
180 |
|
|
|
|
190 |
17.36 |
219.6 |
-6.04 |
190 |
17.44 |
215.8 |
-5.88 |
|
200 |
|
|
|
200 |
|
|
|
|
210 |
17.49 |
219.4 |
-5.91 |
210 |
17.56 |
217.7 |
-5.80 |
|
220 |
|
|
|
220 |
|
|
|
|
230 |
17.62 |
219.1 |
-5.77 |
230 |
17.67 |
219.4 |
-5.73 |
|
240 |
|
|
|
240 |
|
|
|
|
250 |
17.74 |
218.6 |
-5.64 |
250 |
17.80 |
219.8 |
-5.60 |
|
260 |
|
|
|
260 |
|
|
|
|
270 |
17.87 |
217.7 |
-5.49 |
270 |
17.93 |
218.6 |
-5.45 |
|
280 |
|
|
|
280 |
|
|
|
|
290 |
18.00 |
216.7 |
-5.34 |
290 |
18.08 |
216.9 |
-5.27 |
|
300 |
|
|
|
300 |
|
|
|
|
310 |
18.13 |
215.8 |
-5.19 |
310 |
18.22 |
215.7 |
-5.10 |
|
320 |
|
|
|
320 |
18.28 |
215.4 |
-5.04 |
|
330 |
18.24 |
215.1 |
-5.07 |
330 |
18.33 |
215.4 |
-4.99 |
|
340 |
18.29 |
214.9 |
-5.02 |
340 |
18.38 |
215.6 |
-4.94 |
|
350 |
18.34 |
214.7 |
-4.96 |
350 |
18.43 |
216.1 |
-4.90 |
|
360 |
18.38 |
214.7 |
-4.92 |
360 |
18.46 |
216.7 |
-4.88 |
|
370 |
18.41 |
214.8 |
-4.89 |
370 |
18.49 |
217.3 |
-4.87 |
|
380 |
18.45 |
215.0 |
-4.86 |
380 |
18.52 |
217.8 |
-4.84 |
|
390 |
18.47 |
215.2 |
-4.84 |
390 |
18.54 |
218.1 |
-4.83 |
|
400 |
18.49 |
215.5 |
-4.83 |
400 |
18.56 |
218.4 |
-4.82 |
|
410 |
18.51 |
215.8 |
-4.81 |
410 |
18.57 |
218.6 |
-4.81 |
|
420 |
18.53 |
216.1 |
-4.80 |
420 |
18.58 |
218.7 |
-4.80 |
|
430 |
18.54 |
216.4 |
-4.80 |
430 |
18.59 |
218.7 |
-4.79 |
|
440 |
18.55 |
216.6 |
-4.79 |
440 |
18.59 |
218.6 |
-4.79 |
|
450 |
18.55 |
216.9 |
-4.80 |
450 |
18.53 |
218.3 |
-4.78 |
*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 |
|
3599 |
3313 |
20.99 |
227.3 |
-2.57 |
Per DL6WU formula |
|
4380 |
4540 |
21.47 |
221.7 |
-1.98 |
For max G/T |
|
3680 |
1280 |
19.59 |
212.1 |
-3.67 |
For lowest temperature I |
|
3680 |
3380 |
21.18 |
218.0 |
-2.20 |
For lowest temperature II |
STACKING DIAGRAMS FOR MAX G/T
STACKING DIAGRAMS FOR LOWEST TEMPERATURE I
STACKING DIAGRAMS FOR LOWEST TEMPERATURE II
