• Shakespeare 393 23&
  • Shakespeare 393 23&
  • Shakespeare 393 23&
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Shakespeare 393 23' Single Side Band Antenna [393]

$450.89
$509.99
$450.89
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SKU: CWR-10596   UPC: 719441600075

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    23' Shakespeare 393 Single Side Band Marine Antenna for HF Long‑Range Communications

    The Shakespeare 393 is a 23‑foot single side‑band (SSB) whip antenna designed for HF marine radio use when paired with a tuner, enabling long‑range voice and weather communication over the 2–30 MHz band on typical recreational and working vessels.

    • 23‑foot fiberglass whip construction supports HF long‑range communication on the 2–30 MHz band when used with an appropriate marine tuner.
    • Side‑feed termination band simplifies coaxial feed‑line connection and helps maintain a clean, low‑profile base at the mounting point.
    • Vertical polarization and omni‑directional radiation pattern provide broad coverage for ship‑to‑ship and ship‑to‑shore contacts without needing constant antenna rotation.
    • Up to 1,000 watt input rating suits typical marine SSB installations, supporting reliable operation through a range of transmission conditions.
    • Three‑section telescoping design allows firm locking of base, center, and tip sections for predictable tuning and mechanical stability in calm to moderate sea states.
    • Chrome‑plated brass ferrules and 1"‑14 threaded base provide a robust attachment interface compatible with standard Shakespeare deck or side‑mount brackets such as Style 409‑R or 410‑R.
    The Shakespeare 393 Single Side Band antenna is intended for HF marine radio systems where a tall, tuned vertical radiator improves signal reach beyond VHF range. It is engineered so conductors run the full length of the whip without a loading coil, which helps maintain a more predictable electrical length across the 2–30 MHz band when matched through an HF tuner mounted close to the base. Typical installations see the antenna mounted on a deck or cabin side, grounded to the vessel’s bonding system or an appropriate counterpoise, so that the antenna can transmit and receive on distant coast stations, weather nets, and calling frequencies. The 23‑foot height and omni‑directional pattern make it suitable for offshore cruising, coastal workboats, and larger recreational vessels that rely on reliable long‑range voice contacts rather than line‑of‑sight VHF. Because the antenna is mechanically simple and has no active electronics, it is generally low‑maintenance; users regularly inspect the whip for cracks, the ferrules for corrosion, and the feed‑line connections to ensure stable performance in wet, salty environments.
    Brand Shakespeare
    Model 393
    Product type Antennas
    Antenna type Single Side Band (SSB) marine whip antenna
    Length 23 feet (276 inches)
    Sections 3 sections (base, center, tip)
    Mounting interface 1"‑14 threaded base with chrome‑plated brass ferrules
    Construction Fiberglass whip with metal ferrules
    Feed style Side feed termination band
    Band / frequency 2–30 MHz HF band (with tuner)
    Polarization Vertical
    Radiation pattern Omni‑directional
    Max input power 1,000 watts
    UPC 719441600075
    Visit the Shakespeare Marine website
    Quick Guide (pdf)
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    Shakespeare 393 23&
    Shakespeare 393 23&
    Shakespeare 393 23&