ANTENNA X61215XL2Q
SINGLE ANTENNA
PERFORMANCES:
|
No of ele |
L (mm) |
G (dBi) |
G (dBd) |
F/B (dB) |
F/Sh (dB) |
F/Sv (dB) |
Hor (◦) |
Ver (◦) |
Tlos (K) |
|
12 |
9465
|
14.43 |
12.28 |
20.54 |
24.78 |
17.17 |
42.8 |
38.7 |
3.5 |
WORKING CONDITION:
|
Frequency for SWR=1.5 (MHz) |
Z (Ώ) at 50.150 MHz |
SWR at 50.300 MHz |
||
|
Lowest |
Highest |
Bandwidth |
||
|
49.700 |
50.650 |
0.950 |
199.6 |
1.06:1 |
DIMENSIONS:
|
|
Ref |
De1 |
D1/D2 |
D3/D4 |
D5/D6 |
D7/D8 |
D9/D10 |
All elements made of Al tubes Ǿ15 mm All dimensions given in milimetres |
|
Position |
0 |
845 |
1922 |
3538 |
5628 |
7442 |
9465 |
|
|
Length |
2938 |
2636 |
2690 |
2666 |
2650 |
2630 |
2622 |
|
|
Height |
0 |
±120 |
±565 |
±1165 |
±1565 |
±1805 |
±1905 |
No boom correction included.
CONSTRUCTION OF RADIATOR (De)
Construction of radiator: H = 2636 mm, v = 120 mm, material aluminum tube Ø15 mm
COMPARISON
|
TYPE OF ANTENNA |
SINGLE ANTENA |
OPTIMAL STACKING |
75% STACKING |
||||||||||||
|
L (λ) |
GAIN (dBd) |
Z (ohms) |
VSWR Band width |
||||||||||||
|
Spacing (m) |
4 ant |
E 2 ant |
H 2 ant |
Spacing (m) |
4 Ant |
E 2 Ant |
H 2 Ant |
||||||||
|
E |
H |
Gain (dBd) |
Gain (dBd) |
Gain (dBd) |
E |
H |
Gain (dBd) |
Gain (dBd) |
Gain (dBd) |
||||||
|
X61215XL2Q |
1.58 |
12.28 |
199.6 |
1.06:1 |
11.50 |
11.60 |
18.40 |
15.36 |
15.34 |
8.62 |
8.70 |
17.82 |
15.10 |
14.87 |
|
|
G4CQM 6M7N50 |
1.62 |
11.28 |
52.1 |
1.53:1 |
8.82 |
7.88 |
17.17 |
14.20 |
14.18 |
6.62 |
5.91 |
15.80 |
13.69 |
12.00 |
|
|
K6STI 6 |
1.62 |
11.17 |
18.1 |
1.47:1 |
9.38 |
7.98 |
17.13 |
14.16 |
14.09 |
7.03 |
5.99 |
15.61 |
13.62 |
11.93 |
|
|
G0KSC 7 9.7m LFA |
1.63 |
11.00 |
50.3 |
1.06:1 |
8.50 |
7.50 |
16.92 |
13.93 |
13.92 |
6.38 |
5.63 |
15.65 |
13.44 |
12.10 |
|
|
G0KSC 8 OWL |
1.64 |
11.08 |
12.4 |
1.12:1 |
8.96 |
7.68 |
17.03 |
14.06 |
14.00 |
6.72 |
5.76 |
15.95 |
13.61 |
12.44 |
|
|
InnoV 8 OP-DES |
1.65 |
10.08 |
50.2 |
1.04:1 |
8.27 |
7.13 |
15.96 |
13.00 |
12.97 |
6.20 |
5.35 |
14.75 |
12.52 |
10.48 |
|
|
YU7EF 8 |
1.66 |
10.95 |
50.3 |
1.06:1 |
8.38 |
7.38 |
16.84 |
13.87 |
13.85 |
6.29 |
5.54 |
13.39 |
13.38 |
10.25 |
|
|
G4CQM 7 LY |
1.67 |
11.10 |
50.4 |
1.12:1 |
8.78 |
7.68 |
17.01 |
14.04 |
14.00 |
6.59 |
5.76 |
15.51 |
13.51 |
12.51 |
|
|
Cushcraft 617-6B |
1.69 |
10.17 |
33.0 |
1.16:1 |
8.09 |
7.08 |
15.89 |
13.01 |
12.90 |
6.07 |
5.31 |
13.99 |
12.48 |
12.00 |
|
|
Z(ohms) - measured on 50.150 MHz Bandwidth – VSWR measured on 50.300 MHz Loss included for Aluminum, KF2YN correction applied |
|||||||||||||||
DIAGRAMS (no loss included, KF2YN correction not included)
SWR DIAGRAMS (loss included for Al)
STACKING
|
Optimal stacking, 2 antennas horizontally stacked at (m) |
G (dBi) |
G (dBd) |
Hor (◦) |
Ver (◦) |
|
11.50
|
17.51 |
15.36 |
13.6 |
34.2 |
|
These are true values (loss included for aluminum, KF2YN correction applied) |
||||
|
Optimal stacking, 2 antennas vertically stacked at (m) |
G (dBi) |
G (dBd) |
Hor (◦) |
Ver (◦) |
|
11.60
|
17.49 |
15.34 |
39.0 |
13.4 |
|
These are true values (loss included for aluminum, KF2YN correction applied) |
||||
|
Horizontal distance (m) |
Vertical distance (m) |
|
|
|
|
|
11.50 |
11.60
|
20.55 |
18.40 |
13.6 |
13.4 |
|
These are true values (loss included for aluminum, KF2YN correction applied) |
|||||
|
75% stacking, 2 antennas horizontally stacked at (m) |
G (dBi) |
G (dBd) |
Hor (◦) |
Ver (◦) |
|
8.62
|
17.25 |
15.10 |
18.0 |
34.2 |
|
These are true values (loss included for aluminum, KF2YN correction applied) |
||||
|
Optimal stacking, 2 antennas vertically stacked at (m) |
G (dBi) |
G (dBd) |
Hor (◦) |
Ver (◦) |
|
8.70
|
17.02 |
14.87 |
38.4 |
16.6 |
|
These are true values (loss included for aluminum, KF2YN correction applied) |
||||
|
75% stacking, 4 antennas in H stack, |
G (dBi) |
G (dBd) |
Hor (◦) |
Ver (◦) |
|
|
Horizontal distance (m) |
Vertical distance (m) |
||||
|
8.62 |
8.70
|
19.97 |
17.82 |
18.0 |
16.8 |
|
These are true values (loss included for aluminum, KF2YN correction applied) |
|||||
