CB base antennas — Sirio
Sirio Tornado 50-60 5/8 λ
5/8-wave base vertical antenna for 50–60 MHz, 4.1 m, 1000 W
The Sirio Tornado 50-60 is an omnidirectional 5/8-wave base vertical antenna, tunable from 50 to 60 MHz by adjusting the whip, with 1000 W power handling.
Product description
Made of 6063 T-832 aluminium alloy, with more than 3.1 MHz of bandwidth at 50 MHz.
Key features
5/8 wave
3.35 dBi gain.
Wide band
Over 3.1 MHz with SWR ≤ 2.
1000 W
CW power at 30 °C.
Specifications
| Type | 5/8 λ ground plane |
| Frequency | 50–60 MHz, tunable |
| Gain | 1.2 dBd / 3.35 dBi |
| Bandwidth | ≥ 3.1 MHz at 50 MHz (SWR ≤ 2) |
| Maximum power | 1,000 W CW at 30 °C |
| Connector | UHF female |
| Height | approx. 4.1 m |
| Weight | approx. 2.1 kg |
| Mast | Ø 35–42 mm |
| Materials | Aluminium, brass, nylon |
HamRadioShop | Base antennas
