ANTENNA Q214C3XL8
14 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) |
|
14 |
8965 |
16.77 |
35.11 |
18.53 |
16.58 |
28.2 |
29.5 |
226.1 |
-6.78 |
4.1 |
WORKING CONDITION:
|
Frequency for SWR=1.5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
|
|
Lowest |
Highest |
||
|
142.500 |
146.300 |
50.0 |
1.05:1 |
DIMENSIONS:
|
|
Ref |
De1 |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
D8 |
D9 |
D10 |
D11 |
D12 |
|
Pos |
0 |
255 |
462 |
849 |
1463 |
2154 |
2982 |
3778 |
4678 |
5559 |
6451 |
7378 |
8242 |
8965 |
|
Length |
816 |
760 |
724 |
705 |
686 |
664 |
652 |
638 |
627 |
619 |
609 |
607 |
603 |
597 |
|
All elements made of Al tubes Ǿ8 mm - The height of the rectangles is 300 mm - All dimensions given in milimetres |
||||||||||||||
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) |
|
|
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 |
|
Q214C3XL8 |
4.31 |
14.62 |
50.0 |
1.05:1 |
4.46 |
4.18 |
20.58 |
4.1 |
222.0 |
-0.74 |
|
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 |
||||||||||
DIAGRAMS (no loss included)
SWR DIAGRAMS (loss included for Al)
BEST DISTANCES FOR 4 ANTENNAS IN H-STACK
|
Horizontal distance (mm) |
Vertical distance (mm) |
G (dBi) |
TA (K) |
Tlos (K) |
G/T (dB) |
Remark |
|
4270 |
4086 |
22.68 |
220.4 |
4.1 |
-0.76 |
Per DL6WU formula |
|
4460 |
4180 |
22.73 |
222.0 |
4.1 |
-0.74 |
For max G/T |
|
3960 |
1440 |
20.63 |
213.1 |
4.1 |
-2.65 |
For lowest temperature |
Patterns for lowest temperature
Patterns for max G/T
