ANTENNA X23008XL1Q
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) |
|
30 |
9065 |
17.80 |
33.33 |
26.44 |
17.28 |
26.8 |
22.6 |
216.8 |
-5.56 |
4.5 |
WORKING CONDITION:
|
Frequency for SWR=1.5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
|
Lowest |
Highest |
Bandwidth |
||
|
141.800 |
146.300 |
4.500 |
197.5 |
1.07:1 |
DIMENSIONS:
|
|
Ref |
De |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
D8 |
D9 |
D10 |
D11 |
D12 |
D13 |
D14 |
|
Pos |
0 |
355 |
529 |
932 |
1421 |
1732 |
2276 |
3012 |
3746 |
4518 |
5302 |
6068 |
6828 |
7602 |
8387 |
9065 |
|
Length |
1006 |
782 |
925 |
925 |
907 |
883 |
897 |
891 |
883 |
873 |
867 |
867 |
867 |
865 |
863 |
841 |
|
Height |
0 |
±240 |
±180 |
±330 |
±440 |
±510 |
±570 |
±650 |
±725 |
±785 |
±805 |
±815 |
±815 |
±815 |
±795 |
±755 |
|
Dimensions given in milimetres - Diameter of elements 8 milimetres - No boom correction included. |
||||||||||||||||
CONSTRUCTION OF RADIATOR
H = 782
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) |
|
|
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 |
|
X23008XL1Q |
4.35 |
15.65 |
197.5 |
1.07:1 |
5.20 |
5.80 |
21.75 |
4.5 |
211.1 |
+0.66 |
|
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 |
|
4489 |
5.309 |
23.73 |
212.2 |
+0.47 |
4.5 |
Per DL6WU formula |
|
5200 |
5800 |
23.90 |
211.1 |
+0.66 |
4.5 |
For max G/T |
|
4000 |
5700 |
23.65 |
210.4 |
+0.42 |
4.5 |
For lowest temperature |
Four antennas in H-stack, H=5.20 V=5.80 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) |
|
5200 |
5800 |
26.93 |
210.8 |
+3.70 |
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) |
|
5200 |
5800 |
26.93 |
209.7 |
+3.72 |
4.5 |
