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CONQUER THE WAVES

Introducing L3Harris’ Vigilant family of digital radar ESM solutions

For the past 60 years, L3Harris has developed technologies that detect, protect and help project naval power anywhere on Earth. We lead the field in providing maritime ESM solutions for allied naval surface and subsurface vessels – with systems installed in over 20 maritime fleets worldwide.

Now, we’re leveraging our unmatched, decades-long ESM expertise to introduce the ³Õ¾±²µ¾±±ô²¹²Ô³Ùâ„¢ family of digital, software-defined radar ESM solutions.

The Vigilant family provides allied naval forces with advanced situational awareness and threat detection capabilities that are adaptable and robust against spectrum congestion – enabling mission success.

Our solutions leverage new digital sensor technology, a modular open architecture and software-defined electronic warfare (EW) capabilities to increase functionality, upgradability and ease of operation while decreasing long-term sustainment costs.

Resources

  • L3Harris Vigilant family of digital electronic support measures (ESM) solutions

    Vigilant Spec Sheet

  • L3Harris Vigilant family of digital electronic support measures (ESM) solutions

    Vigilant Brochure

Vigilant Features

VS-3601S Features for Surface Naval Platforms
Key system capabilities
  • High sensitivity and dynamic range
  • 100% probability of intercept
  • Instantaneous DF over 360°
  • Long-range detection, DF and tracking
  • Measures all radars simultaneously
Performance
  • 2-18 GHz instantaneous RF coverage with AOA on every pulse
  • High sensitivity
  • Receives RHCP and LHCP
  • Accurate pulse measurements
  • Processes narrow pulses
Signal processing performance
  • Operates effectively in 1 MPPS signal environment
  • 20,000 emitter mode library capacity
  • Tracks 500 emitters simultaneously
  • < 1 second reaction time for new emitters
Human-Machine Interface (HMI)
  • Windows user interface
  • Easily integrated to modern combat management systems
  • Updated command-and-control interface supports HMI, remote control or autonomous control of the system
  • Single, compact and performance-enhanced user displays and controls
  • Built-in training
Options
  • FMCW detection and identification at very high sensitivity
  • ELINT capabilities
  • Uses digital receivers for precision measurements
  • High-speed digital recorder
  • Extended RF ranges
VS-3701S Features for Surface Naval Platforms
Key system capabilities
  • High sensitivity and dynamic range
  • 100% probability of intercept
  • High precision, instantaneous DF over 360°
  • Wideband, narrowband and low-band subsystems for comprehensive signal exploitation using advanced sapience emitter processing algorithms
  • Handles FMCW radars with ultra-high sensitivity and DF
Performance
  • Customizable instantaneous RF coverage (low-band and MMW)
  • Precision DF over elevation and all azimuths with high dynamic range
  • Extensive interference rejection capabilities
  • Suitable for operation in highly congested and contested signal environments
  • Processes narrow pulses
Signal processing performance
  • Operates effectively in 1 MPPS signal environment
  • 20,000 emitter mode library capacity
  • Tracks 500 emitters simultaneously
  • < 1 second reaction time for new emitters
  • Supports topologies with multiple signal processing components
Human-Machine Interface (HMI)
  • Windows user interface
  • Easily integrated to modern combat management systems
  • Updated command-and-control interface supports HMI, remote control or autonomous control of the system
  • Single, compact and performance-enhanced user displays and controls
  • Built-in training
Options
  • FMCW detection and identification at very high sensitivity
  • ELINT capabilities
  • Uses digital receivers for precision measurements
  • High-speed digital recorder
  • Low-band and continuous MMW RF processing support
  • Extended RF ranges
VS-3601U Features for Subsurface Naval Platforms
Key system capabilities
  • Compact antenna configurations
  • High sensitivity and dynamic range
  • 100% probability of intercept
  • Instantaneous DF over 360°
  • Long-range detection, DF and tracking
Performance
  • Operates successfully with DF or OMNI directional antenna inputs
  • 2-18 GHz instantaneous RF coverage with AOA on every pulse
  • High sensitivity
  • Receives RHCP and LHCP
  • Accurate pulse measurements
  • Processes narrow pulses
Signal processing performance
  • Supports operation in multiple mast states
  • Operates effectively in 1 MPPS signal environment
  • 20,000 emitter mode library capacity
  • Tracks 500 emitters simultaneously
  • < 1 second reaction time for new emitters
Human-Machine Interface (HMI)
  • Windows user interface
  • Easily integrated to modern combat management systems
  • Updated command-and-control interface supports HMI, remote control or autonomous control of the system
  • Single, compact and performance-enhanced user displays and controls
  • Built-in training
Options
  • ELINT capabilities
  • Uses digital receivers for precision measurements
  • High-speed digital recorder
  • Extended RF ranges
VS-3701U Features for Subsurface Naval Platforms
Key system capabilities
  • Multiple mast configuration support
  • High sensitivity and dynamic range
  • 100% probability of intercept
  • High precision, instantaneous DF over 360°
  • Wideband, narrowband and low-band subsystems for comprehensive signal exploitation using advanced sapience emitter processing algorithms
  • Handles FMCW radars with ultra-high sensitivity and DF
Performance
  • Accepts RF inputs from array of antenna components
  • Customizable instantaneous RF coverage (low-band and MMW)
  • Precision DF over elevation and all azimuths with high dynamic range
  • Extensive interference rejection capabilities
  • Suitable for operation in highly congested and contested signal environments
  • Processes narrow pulses
Signal processing performance
  • Supports operation in multiple mast states
  • Operates effectively in 1 MPPS signal environment
  • 20,000 emitter mode library capacity
  • Tracks 500 emitters simultaneously
  • < 1 second reaction time for new emitters
  • Supports topologies with multiple signal processing components
Human-Machine Interface (HMI)
  • Windows user interface
  • Easily integrated to modern combat management systems
  • Updated command-and-control interface supports HMI, remote control or autonomous control of the system
  • Single, compact and performance-enhanced user displays and controls
  • Built-in training
Options
  • ELINT capabilities
  • Uses digital receivers for precision measurements
  • High-speed digital recorder
  • Low-band and continuous MMW RF processing support
  • Extended RF ranges

Related Maritime ESM Solutions

L3Harris ES-3601S - Tactical Radar ESM and Surveillance System

ES-3601S - Tactical Radar ESM and Surveillance System

L3Harris’ ES-3601S passive radar-detection ESM systems for surface vessels enable warfighters to analyze and respond to threats in real time.
L3Harris ES-3601U - Submarine Radar ESM System

ES-3601U - Submarine Radar ESM System

L3Harris ES-3701S - Precision Radar ESM System

ES-3701S - Precision Radar ESM System

L3Harris ES-3701U - Precision Submarine Radar ESM System

ES-3701U - Precision Submarine Radar ESM System

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