The Sirio Tornado 27 is a 5/8 wave ground plane base antenna for the 26-28 MHz CB band, factory tuned at mid-band and tuneable by adjusting the whip length. Its omni-directional pattern and low radiation angle suit fixed stations working DX. High power handling and an aluminium alloy build make it a solid choice for a permanent home setup.
| Specification | Value |
|---|---|
| Type | 5/8 Wave ground plane |
| Frequency range | 26-28 MHz |
| Impedance | 50 Ohm unbalanced |
| Radiation (H-plane) | 360 degree omni directional |
| Polarisation | Vertical |
| Gain | 1.2 dBd, 3.35 dBi |
| Bandwidth at S.W.R. 2:1 | 2000 KHz |
| S.W.R. at resonant frequency | = 1.2:1 |
| Max power | 1000 Watts (CW) continuous; 3000 Watts (CW) short time |
| Length | 7230mm |
| Radial length (approx.) | 2000 mm |
| Weight | 2900g |
| Connector | UHF-female (SO239) type |
| Materials | Aluminium alloy 6063 T-832 |
- Omni directional
- Factory tuned at mid-band
- Tuneable by whip length adjusting
- Low radiation angle for excellent DX
- High power handling capability
- Whip equipped with waterproof jointing sleeve
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