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HF fast tuning submarine antenna system, 1.8-30 MHz


The HF1830S is a fast tuning antenna system designed for submarine applications.  The system comprises of an HF antenna, fast switching Antenna Control Unit (ACU) and Antenna Control System (ACS).  Mechanical integration of the system can be tailored to suit the platform.

  • HF band: 1.8-30 MHz
  • High power: Up to 1000 W (PEP)
  • Fast tuning: 3 ms
  • Flexible: Standalone or integration to Radio system
  • Silent tuning: Tuning without tune power
  • State of the art: Designed for 3G-ALE having Wide and Narrowband modes
  • Designed for Safety: Compatible with GMDSS MF/HF systems
  • Adaptable: Built in calibration function with several memory banks
  • Frequency Range: 1.8 to 30 MHz
  • Tuning time: < 3 ms
  • Narrowband Impedance: VSWR ≤ 2.5:1
  • Operational modes:
    Wideband mode for Rx scan operations
    Tuned mode for Tx
  • Narrowband (tuned) Bandwidth:
    > 3 KHz and > 6 KHz
  • RF power capability:
    500 W of input power (PEP or average power) continuously
    Up to 1000 W (PEP or average power) intermittently
  • Radiation Pattern: Radiation pattern is as a quarter wave monopole
  • Antenna Tuning Modes:
    Manual or automatic tuning using RF signal probing or digital information from the TRx
  • Calibration: Automatic calibration
  • Power Supply: 24 VDC
  • Dimensions:
    Complete Assembly – 4500 mm long, Ø 230 mm (including radiating element)
    Radiating Element – 3000 mm long, Ø 180 mm
  • Connectors: 1 x RF, 1 x control