Description
This is electrically identical to the COL7 antenna (although it does feature an up-rated stub design for additional power handling capabilities). The ruggedized radome which houses the active elements of the COL11 was originally designed to serve as the mast of recreational sailboards and is immensely strong. The radome is colored black to maximize solar heat retention and this has been shown to aid significantly in ice shedding. A large, 60mm diameter alodined aluminum mounting tube supports the radome.
Specifications:
| Frequency Range | 390 – 520 |
| Base Gain | 0 to 3 dBd |
| Power w | 200 |
| Polarisation | Vertical |
| VSWR | <1.5:1 |
| Termination | N female bulkhead |
| Mounting area | 500mm x 60mm diam. alodined aluminum |
| Construction | Alodined aluminum elements with black ruggedized fiberglass radome |
| Tuned bandwidth | 3.00% |
| Horizontal Beamwidth | Omni +/- 0.5dB |
| Frequency MHz | 390 – 520 |
| Length [mm] | 2200 |
| Brand | RFI |
| Weight [kg] | 1.2 |
Kathryn Anne Weldon –
Provides Excellent Performance