ANTENNA Q215C3XL8
15 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) |
|
15 |
9815 |
17.07 |
31.53 |
18.21 |
16.33 |
27.2 |
28.3 |
226.1 |
-6.47 |
4.4 |
WORKING CONDITION:
|
Frequency for SWR=1.5 (MHz) |
Z (Ώ) at 144.100 MHz |
SWR at 145.000 MHz |
|
|
Lowest |
Highest |
||
|
142.500 |
146.200 |
50.0 |
1.04:1 |
DIMENSIONS:
|
|
Ref |
De1 |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
D8 |
D9 |
D10 |
D11 |
D12 |
D13 |
|
Pos |
0 |
255 |
463 |
849 |
1463 |
2154 |
2982 |
3778 |
4678 |
5559 |
6451 |
7378 |
8242 |
9136 |
9815 |
|
Length |
815 |
760 |
724 |
705 |
686 |
664 |
652 |
638 |
627 |
619 |
609 |
607 |
603 |
599 |
595 |
|
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) |
|
|
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 |
|
Q215C3XL8 |
4.71 |
14.92 |
50.0 |
1.04:1 |
4.58 |
4.38 |
20.89 |
4.4 |
222.1 |
-0.42 |
|
DK7ZB 14 |
4.73 |
14.92 |
26.9 |
1.50:1 |
4.59 |
4.39 |
20.87 |
6.8 |
233.0 |
-0.65 |
|
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 |
||||||||||
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 |
|
4424 |
4255 |
22.98 |
221.3 |
4.1 |
-0.47 |
Per DL6WU formula |
|
4580 |
4400 |
23.04 |
222.1 |
4.1 |
-0.42 |
For max G/T |
|
4160 |
1420 |
20.88 |
214.0 |
4.1 |
-2.43 |
For lowest temperature |
Patterns for lowest temperature
Patterns for max G/T
