ANTENNA X22808XL1Q
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) |
|
28 |
8285 |
17.49 |
27.26 |
16.82 |
17.31 |
28.2 |
24.0 |
218.6 |
-5.91 |
3.9 |
WORKING CONDITION:
|
Frequency for SWR=1.5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
|
Lowest |
Highest |
Bandwidth |
||
|
142.000 |
147.000 |
5.000 |
198.8 |
1.11:1 |
DIMENSIONS:
|
|
Ref |
De |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
D8 |
D9 |
D10 |
D11 |
D12 |
D13 |
|
Pos |
0 |
355 |
534 |
928 |
1421 |
1732 |
2276 |
3012 |
3746 |
4518 |
5302 |
6068 |
6828 |
7616 |
8285 |
|
Length |
1006 |
776 |
921 |
921 |
899 |
877 |
891 |
879 |
875 |
867 |
865 |
863 |
861 |
859 |
845 |
|
Height |
0 |
±240 |
±180 |
±330 |
±440 |
±510 |
±570 |
±650 |
±725 |
±785 |
±805 |
±815 |
±815 |
±795 |
±765 |
|
Dimensions given in milimetres - Diameter of elements 8 milimetres - No boom correction included. |
|||||||||||||||
CONSTRUCTION OF RADIATOR
H = 776
V = 240
Ø= 8 mm
COMPARISON (inserted in a part of VE7BQH table, where it belongs according to its boom length)
|
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) |
|
|
IK0BZY 12 |
3.95 |
14.06 |
99.2 |
1.44:1 |
4.02 |
3.78 |
19.93 |
6.9 |
222.5 |
-1.39 |
|
DG7YBN 14 |
3.98 |
14.09 |
50.4 |
1.07:1 |
4.20 |
4.00 |
20.08 |
5.8 |
220.4 |
-1.20 |
|
X22808XL1Q |
3.98 |
15.34 |
198.8 |
1.11:1 |
4.80 |
5.70 |
21.44 |
3.9 |
213.2 |
+0.30 |
|
BVO2-4WL |
3.99 |
14.17 |
45.0 |
1.25:1 |
4.24 |
4.02 |
20.14 |
6.8 |
241.8 |
-1.54 |
|
DJ9BV 4.0 |
4.01 |
14.04 |
41.5 |
1.35:1 |
4.16 |
3.92 |
19.91 |
6.5 |
249.4 |
-1.91 |
|
K1FO 16 |
4.01 |
14.13 |
35.0 |
1.15:1 |
4.16 |
3.87 |
20.05 |
4.7 |
229.9 |
-1.42 |
|
SV 2SA13 |
4.01 |
14.45 |
52.2 |
1.41:1 |
4.38 |
4.16 |
20.42 |
7.0 |
239.0 |
-1.21 |
|
HG VB-215DX |
4.03 |
14.10 |
38.6 |
1.41:1 |
4.21 |
3.97 |
20.00 |
5.8 |
250.8 |
-1.84 |
|
CC3219 MOD |
4.04 |
14.13 |
32.1 |
1.02:1 |
4.27 |
4.07 |
20.09 |
5.1 |
248.2 |
-1.71 |
|
KLM 16LBX |
4.09 |
14.16 |
198.1 |
1.29:1 |
4.26 |
4.02 |
20.08 |
6.3 |
242.0 |
-1.61 |
|
CC4218XL |
4.19 |
14.28 |
14.8 |
1.43:1 |
4.33 |
4.13 |
20.22 |
8.7 |
245.0 |
-1.52 |
|
WB9UWA 15 |
4.18 |
13.65 |
26.0 |
1.51:1 |
3.75 |
3.50 |
19.44 |
8.3 |
208.9 |
-1.61 |
|
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 |
|
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 |
|
Z(ohms) - measured on 144.100 MHz Bandwidth – VSWR measured on 145.000 MHz |
||||||||||
DIAGRAMS (no loss included)
SWR DIAGRAMS (loss included for Al)
BEST DISTANCES FOR STACK
Four antennas in H-stack
|
Horizontal distance (mm) |
Vertical distance (mm) |
G (dBi) |
TA (K) |
G/T (dB) |
Tlos (K) |
Remark |
|
4270 |
5.003 |
23.38 |
215.1 |
+0.05 |
3.9 |
Per DL6WU formula |
|
4800 |
5700 |
23.59 |
213.2 |
+0.30 |
3.9 |
For max G/T |
|
4000 |
5600 |
23.40 |
211.9 |
+0.14 |
3.9 |
For lowest temperature |
Four antennas in H-stack, H=4.90 V=5.70 metres
Eight antennas in stack (four in horizontal and two in vertical plane)
|
Horizontal distance (mm) |
Vertical distance (mm) |
G (dBi) |
TA (K) |
G/T (dB) |
Tlos (K) |
|
4800 |
5700 |
26.61 |
213.5 |
+3.31 |
3.9 |
Eight antennas in stack (two in horizontal and four in vertical plane)
|
Horizontal distance (mm) |
Vertical distance (mm) |
G (dBi) |
TA (K) |
G/T (dB) |
Tlos (K) |
|
4800 |
5700 |
26.62 |
211.4 |
+3.37 |
3.9 |
