ANTENNA X22208XL3Q
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) |
22 |
6005 |
16.44 |
31.24 |
17.25 |
18.98 |
31.8 |
26.6 |
217.9 |
-6.94 |
3.9 |
WORKING CONDITION:
Frequency for SWR=1.5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
||
Lowest |
Highest |
Bandwidth |
||
141.600 |
147.600 |
6.000 |
196.6 |
1.15:1 |
DIMENSIONS:
|
Ref |
De |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
D8 |
D9 |
D10 |
Pos |
0 |
335 |
534 |
940 |
1418 |
1746 |
2286 |
3022 |
3776 |
4538 |
5319 |
6005 |
Length |
1008 |
794 |
929 |
923 |
905 |
879 |
887 |
887 |
885 |
883 |
881 |
859 |
Height |
0 |
±230 |
±185 |
±345 |
±445 |
±515 |
±585 |
±655 |
±725 |
±765 |
±765 |
±735 |
Dimensions given in milimetres - Diameter of elements 8 milimetres - No boom correction included. |
CONSTRUCTION OF RADIATOR
H = 794
V = 230
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) |
|
BQH 10 |
2.86 |
13.05 |
22.6 |
1.47:1 |
3.69 |
3.43 |
19.00 |
7.0 |
232.5 |
-2.51 |
WB9UWA 12 |
2.87 |
12.73 |
23.9 |
1.47:1 |
3.48 |
3.20 |
18.61 |
7.0 |
223.0 |
-2.72 |
DK7ZB 10 |
2.87 |
13.00 |
25.8 |
1.61:1 |
3.87 |
3.60 |
19.17 |
6.8 |
247.5 |
-2.62 |
X22008XL3Q |
2.88 |
14.24 |
196.6 |
1.15:1 |
4.89 |
5.50 |
20.39 |
3.9 |
216.8 |
-0.82 |
K1FO 13 |
2.89 |
12.94 |
24.7 |
1.38:1 |
3.64 |
3.39 |
18.88 |
4.6 |
239.2 |
-2.76 |
M2 20 XPOL |
2.97 |
13.11 |
200.1 |
1.20:1 |
3.64 |
3.64 |
19.09 |
6.3 |
241.7 |
-2.59 |
G0KSC 11 LFA |
2.98 |
13.11 |
48.3 |
1.06:1 |
3.78 |
3.65 |
19.14 |
3.0 |
224.9 |
-2.23 |
UA9TC 11RS |
2.98 |
13.09 |
50.9 |
1.10:1 |
3.66 |
3.37 |
19.01 |
5.0 |
223.0 |
-2.34 |
G0KSC 11OWL |
3.00 |
13.16 |
49.8 |
1.42:1 |
3.69 |
3.44 |
19.09 |
7.7 |
224.6 |
-2.27 |
BVO-3WL |
3.01 |
13.43 |
52.7 |
3.08:1 |
3.90 |
3.70 |
19.38 |
8.6 |
253.1 |
-2.50 |
G0KSC 11LFA3R |
3.01 |
13.00 |
50.1 |
1.08:1 |
3.60 |
3.33 |
18.92 |
4.0 |
223.0 |
-2.41 |
YU7EF 11 |
3.04 |
13.07 |
49.0 |
1.62:1 |
3.56 |
3.30 |
18.87 |
4.7 |
222.6 |
-2.46 |
F9FT 16 |
3.06 |
12.64 |
20.8 |
1.37:1 |
3.54 |
3.26 |
18.63 |
6.0 |
241.3 |
-3.05 |
SM2CEW 14 XPOL |
3.08 |
13.04 |
19.2 |
1.40:1 |
3.50 |
3.50 |
18.96 |
6.9 |
226.4 |
-2.44 |
CD15LQDver2 |
3.09 |
12.90 |
50.0 |
1.25:1 |
4.00 |
3.80 |
19.02 |
4.4 |
238.8 |
-2.61 |
CD15LQDver1 |
3.10 |
12.83 |
50.0 |
1.23:1 |
4.00 |
3.80 |
18.97 |
4.2 |
249.9 |
-2.86 |
I5MZY 13 |
3.10 |
12.97 |
49.3 |
1.50:1 |
3.56 |
3.30 |
18.83 |
6.0 |
225.9 |
-2.56 |
MBI ModFT17 |
3.12 |
13.29 |
50.1 |
1.41:1 |
3.85 |
3.60 |
19.27 |
8.2 |
239.5 |
-2.37 |
F9FT 17 |
3.14 |
12.87 |
25.8 |
1.32:1 |
3.68 |
3.50 |
18.90 |
5.8 |
236.4 |
-2.69 |
CC3219 |
3.17 |
12.77 |
18.3 |
1.49:1 |
4.27 |
3.66 |
18.80 |
5.7 |
307.8 |
-3.93 |
CC3219 MOD |
3.17 |
13.25 |
29.0 |
1.06:1 |
3.87 |
3.62 |
19.27 |
5.1 |
245.6 |
-2.48 |
BQH 13 |
3.19 |
13.30 |
50.0 |
1.11:1 |
3.85 |
3.60 |
19.28 |
4.3 |
244.9 |
-2.46 |
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 |
3797 |
4522 |
22.34 |
217.3 |
-1.03 |
3.9 |
Per DL6WU formula |
4800 |
5500 |
22.54 |
216.8 |
-0.82 |
3.9 |
For max G/T |
3800 |
5500 |
22.42 |
214.9 |
-0.90 |
3.9 |
For lowest temperature |
Four antennas in H-stack, H=4.30 V=5.50 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 |
5500 |
25.57 |
217.3 |
+2.20 |
3.9 |
Sixteen antennas (four in horizontal and four antennas in vertical plane)
Horizontal distance (mm) |
Vertical distance (mm) |
G (dBi) |
TA (K) |
G/T (dB) |
Tlos (K) |
4800 |
5500 |
28.62 |
214.0 |
+5.31 |
3.3 |
SIXTEEN ANTENNAS AT H=4.80+4.80+4.80 AND V=5.50+5.50+5.50 METRES - DIAGRAMS