ANTENNA Q209E2XL8
9 ELE OBLONG ANTENNA MADE OF ALUMINUM TUBES Ø8 MM
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) |
|
9 |
4585 |
14.40 |
21.10 |
20.70 |
16.70 |
37.2 |
39.4 |
236.1 |
-9.33 |
3.5 |
WORKING CONDITION:
|
Frequency for SWR=1.5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
|
|
Lowest |
Highest |
||
|
142.300 |
146.100 |
50.0 |
1.03:1 |
DIMENSIONS:
|
|
Ref |
De1 |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
All elements made of Al tubes Ǿ8 mm The height of the rectangles is 400 mm All dimensions given in milimetres |
|
Pos |
0 |
285 |
549 |
952 |
1502 |
2182 |
2998 |
3838 |
4585 |
|
|
Length |
723 |
674 |
641 |
613 |
599 |
579 |
569 |
561 |
553 |
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) |
||
|
WiMo WX220 XPOL |
2.13 |
11.23 |
202.0 |
1.08:1 |
2.94 |
2.94 |
17.44 |
8.4 |
300.8 |
-5.19 |
|
|
Gulf Alpha 9 |
2.13 |
11.62 |
203.3 |
1.15:1 |
3.26 |
2.97 |
17.64 |
4.6 |
266.2 |
-4.46 |
|
|
Gulf Alpha 9 XPOL |
2.13 |
11.60 |
203.9 |
1.15:1 |
3.12 |
3.12 |
17.62 |
5.0 |
267.6 |
-4.50 |
|
|
DJ9BV 2.1 |
2.13 |
11.89 |
44.9 |
1.30:1 |
3.33 |
3.04 |
17.87 |
5.8 |
255.2 |
-4.05 |
|
|
OZ5HF 9 |
2.16 |
11.52 |
38.0 |
1.15:1 |
3.21 |
2.92 |
17.47 |
3.0 |
272.6 |
-4.74 |
|
|
YU7EF 9 |
2.16 |
11.84 |
49.8 |
1.17:1 |
3.20 |
2.89 |
17.74 |
5.3 |
236.6 |
-3.84 |
|
|
F9FT 11 |
2.17 |
11.78 |
21.5 |
1.25:1 |
3.26 |
2.97 |
17.75 |
5.3 |
251.0 |
-4.10 |
|
|
CC 13B2 |
2.17 |
11.79 |
21.1 |
1.37:1 |
3.33 |
3.01 |
17.78 |
5.9 |
257.9 |
-4.18 |
|
|
K1FO 11 |
2.18 |
11.97 |
44.0 |
1.29:1 |
3.30 |
3.00 |
17.90 |
4.3 |
248.0 |
-3.89 |
|
|
CC 215WB |
2.19 |
11.78 |
17.4 |
1.47:1 |
3.36 |
3.07 |
17.78 |
6.6 |
266.6 |
-4.33 |
|
|
Q209E2XL8 |
2.20 |
12.25 |
50.0 |
1.03:1 |
3.80 |
3.48 |
18.35 |
3.5 |
241.8 |
-3.33 |
|
|
Vine 9 FD |
2.22 |
11.93 |
50.0 |
1.07:1 |
3.21 |
2.91 |
17.80 |
9.4 |
230.0 |
-3.67 |
|
|
G4CQM CQM12UX |
2.32 |
11.94 |
50.2 |
1.06:1 |
3.20 |
2.89 |
17.82 |
4.0 |
231.6 |
-3.68 |
|
|
Flexa 224 |
2.34 |
11.52 |
60.4 |
1.09:1 |
3.50 |
3.30 |
17.66 |
30.1 |
259.2 |
-4.33 |
|
|
RA3AQ 9 |
2.35 |
12.38 |
49.2 |
1.10:1 |
3.40 |
3.13 |
18.31 |
5.6 |
234.3 |
-3.24 |
|
|
CT1FFU 9 |
2.38 |
12.23 |
28.1 |
1.15:1 |
3.26 |
2.97 |
18.08 |
3.6 |
226.8 |
-3.33 |
|
|
ZL1RS 9 |
2.38 |
12.24 |
48.7 |
2.19:1 |
3.30 |
3.01 |
18.13 |
5.6 |
227.2 |
-3.28 |
|
|
Eagle 10 |
2.38 |
12.28 |
23.6 |
1.33:1 |
3.44 |
3.16 |
18.27 |
6.0 |
243.0 |
-3.43 |
|
|
G4CQM CQM12UC |
2.39 |
12.15 |
49.4 |
1.03:1 |
3.30 |
3.01 |
18.05 |
5.2 |
235.6 |
-3.54 |
|
|
DK7ZB 9 |
2.39 |
12.41 |
27.5 |
1.23:1 |
3.56 |
3.30 |
18.45 |
6.2 |
250.5 |
-3.39 |
|
|
Vine 10 FD |
2.45 |
12.27 |
47.6 |
1.08:1 |
3.35 |
3.04 |
18.17 |
9.5 |
226.7 |
-3.23 |
|
|
DD0VF 9 |
2.46 |
12.47 |
25.0 |
1.16:1 |
3.48 |
3.18 |
18.44 |
4.4 |
235.8 |
-3.14 |
|
|
Z(ohms) - measured on 144.100 MHz |
|||||||||||
DIAGRAMS (no loss included)
SWR DIAGRAMS (loss included for Al)
BEST DISTANCES FOR 4 ANTENNAS IN H-STACK
|
Horizontal distance (cm) |
Vertical distance (cm) |
G (dBi) |
TA (K) |
Tlos (K) |
G/T (dB) |
Remark |
|
3261 |
3086 |
20.25 |
237.4 |
3.5 |
-3.51 |
Per DL6WU formula |
|
3800 |
3480 |
20.50 |
242.0 |
3.5 |
-3.34 |
For max G/T |
|
2920 |
1520 |
18.69 |
221.1 |
3.5 |
-4.77 |
For lowest temperature |
Patterns for lowest temperature
Patterns for max G/T
