AT73 Series
The AT73 series of antennas are a high-quality fibreglass HF antenna for marine coastal and SSB telephony bands. They are a high-quality antenna with durable construction and a beautiful finish for installation on all kinds of vessels.
The antenna is side-fed and the bottom bracket does not need to be insulated.
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| Frequency Range | 1.6-30 MHz |
|---|---|
| Power Rating | 1 kW PEP |
| Static Capacitance | 70 pF at 2 MHz |
| Polarisation | Vertical |
| Pattern | Omnidirectional |
| Electrical Length | 6.8 m |
| Feed System | Open wire, side feed |
| Design | Fibreglass whip in two sections. Stainless steel. |
|---|---|
| Height | 7.3 m |
| Weight | 5.1 kg |
| Sections | Base 3.5 m Top 3.5 m |
| Wind Rating | 55 m/s = 201 km/h |
| Moment of Flexure | 85 kpm at 55 m/s |
| Deflection due to Wind Load | 4.2 m at tip ball with 55 m/s wind load |
| Finish | Polyurethane lacquer, white Chrome plated fittings |
| Temperature Range | – 55°C to + 71°C |
| Ice Build-up | Not affected |