ANTENNA X23208XL1Q
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) |
|
32 |
9845 |
18.10 |
43.89 |
26.34 |
16.14 |
25.6 |
21.4 |
217.2 |
-5.27 |
4.5 |
WORKING CONDITION:
|
Frequency for SWR=1.5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
|
Lowest |
Highest |
Bandwidth |
||
|
140.600 |
146.500 |
6.900 |
197.8 |
1.11:1 |
DIMENSIONS:
|
|
Ref |
De |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
D8 |
D9 |
D10 |
D11 |
D12 |
D13 |
D14 |
D14 |
|
Pos |
0 |
365 |
529 |
930 |
1416 |
1732 |
2276 |
3012 |
3746 |
4518 |
5302 |
6068 |
6828 |
7606 |
8388 |
9188 |
9845 |
|
Length |
1010 |
790 |
926 |
925 |
906 |
880 |
894 |
892 |
882 |
875 |
872 |
868 |
868 |
868 |
862 |
860 |
842 |
|
Height |
0 |
±245 |
±180 |
±330 |
±440 |
±510 |
±570 |
±650 |
±725 |
±785 |
±805 |
±825 |
±835 |
±835 |
±835 |
±785 |
±755 |
|
Dimensions given in milimetres - Diameter of elements 8 milimetres - No boom correction included. |
|||||||||||||||||
CONSTRUCTION OF RADIATOR
H = 790
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) |
|
|
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 |
|
X23208XL1Q |
4.73 |
15.95 |
197.8 |
1.11:1 |
5.80 |
5.90 |
22.05 |
4.5 |
211.8 |
+0.94 |
|
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)
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 |
|
4695 |
5.603 |
24.06 |
211.6 |
+0.80 |
4.5 |
Per DL6WU formula |
|
5800 |
5900 |
24.20 |
211.8 |
+0.94 |
4.5 |
For max G/T |
|
5800 |
5900 |
24.20 |
211.8 |
+0.94 |
4.5 |
For lowest temperature |
Four antennas in H-stack, H=5.80 V=5.90 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) |
|
5800 |
5900 |
27.23 |
211.4 |
+3.98 |
4.5 |
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) |
|
5800 |
5900 |
27.23 |
210.3 |
+4.0 |
4.5 |
