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 |
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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. |
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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 |