Compact 5-band antenna on 20, 17, 15, 12, 10 m. First couple of them successfully worked in DX-pedition to Victoria Island (Franz Josef Land).
Band, m
|
20 |
17 |
15 |
17 |
10 |
Elements |
2 active
|
2*5/8 + 1 driver
|
2*5/8 +1 driver |
all alements
|
all elements
|
Frequency range, MHz |
14.000-14.350 |
18.068-18.168 |
21.000-21.450 |
24.890-24.990 |
28.000-29.000 |
SWR in frequency range |
1.3 - 1.0 - 1.3 |
1.2 - 1.0 - 1.3 |
1.4 - 1.1 - 1.4 |
1.5 - 1.2 - 1.4 |
1.4 - 1.0 - 1.6 |
Gain @22м, dBi |
|
|
|
|
|
Net Gain vs dipole@22m dBd |
5.5 |
5.5 |
5.5 |
4.5 |
6.0 |
Front to Back, dB |
8 to 20 dB according to antenna height
|
Boom lenght, mm |
2600 |
Max element length, mm |
10800 |
Turning radius, mm |
5600 |
Weight, kg |
21 |
Wind surface area, m2 |
0.75 |
Max CW input power, kW |
5 |
Max wind speed |
30/35* m/s |
Acceptable reduction unit is similar to AlfaSpid RAU with support bearing. |
* - heavy duty version
|