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　　Seapath 380+ Other Names:

　　DGPS Sensor Seapath 380+

　　Seapath 380+ Position Reference Sensor

　　Core Positioning and System Compatibility

　　Product Category: Kongsberg Seatex DPS series, a DGNSS (DGPS/DGLONASS) sensor designed specifically for marine environments, supporting multi-system fusion positioning (GPS/GLONASS/Galileo/Beidou).

　　Core Advantages:

　　Multi-System Compatibility: Integrates GPS L1/L2, GLONASS L1/L2, and SBAS receivers, supports BeiDou/Galileo extensions, and achieves global sub-meter to decimeter accuracy via Fugro Seastar SGG/G2 services, performing exceptionally well in signal-obstructed environments (such as densely populated island areas and ports).

　　Accuracy Performance: Achieves global decimeter accuracy (<10cm CEP) using Seastar G4 services, with accuracy <1m (95% CEP) in DGPS/DGLONASS mode, and <1m with SBAS assistance.

　　Interference Resistance: Multi-system compatible design (four systems across all frequencies) enhances satellite signal coverage, maintaining high availability even in obstructed environments or areas with challenging signal coverage (such as ports and nearshore areas).

　　Expandability: Supports RTCM-SC104 v2.2/2.3 differential input, compatible with Fugro Seastar XP2/G4 services, and an optional external display unit for DP (Dynamic Positioning) operation interface.

　　Hardware Configuration: Built-in Ethernet interface, USB update module, embedded display and optional external display unit; operating temperature range -15℃ to +55℃ (device) / -40℃ to +85℃ (antenna); protection rating IP67.

　　Technical Specifications

　　Hardware Parameters:

　　Physical Dimensions: Main unit 5.8kg (89mm × 444mm × 357mm), GNSS antenna 0.5kg (69mm × 185mm).

　　Interface Configuration: 3 serial ports (2 × NMEA output, 1 × RTCM input, supporting RS-232/RS-422 electrical isolation), Ethernet/LAN, USB; data output supports NMEA 0183 v3.0 (GGA/GLL/GSA/GST message types).

　　Power Supply and Consumption: 100-240V AC power supply, maximum power consumption 60W; GNSS antenna requires 5V DC power supply.

　　Environmental Adaptability:

　　Operating temperature range -15°C to +55°C (recommended 5°C-40°C), 95% humidity tolerance (non-condensing), compliant with IEC 60945 electromagnetic compatibility and vibration standards, IP67 protection rating (sealed antenna design).

　　Comparison and Relationship with DPS 112

　　Differences within the Series:

　　DPS 112: Built-in display and configuration interface, uses Seastar SGG service, focuses on cost-effective solutions, suitable for workboats and platform support vessels, supports sub-meter accuracy (dependent on Fugro network).

　　Seapath 380+: As a high-end model, supports four systems across all frequencies, integrates Beidou/Galileo, expands Ethernet interfaces, adapts to more complex maritime scenarios (such as dynamic positioning, ocean operations), and offers an optional external display unit to enhance operational intuitiveness.

　　Common Features: Both belong to the Kongsberg DPS family, share the Seastar service ecosystem, support remote software updates and 24/7 global technical support.

　　Application Scenarios and Value

　　Typical Scenarios: Marine surveying, port operations, platform support vessels, dynamic positioning (DP) systems, and oceanographic research voyages—scenarios requiring high-reliability positioning.

　　Added Value:

　　Safety Certification: Compliant with LVD (Low Voltage Directive) and EMCD (Electromagnetic Compatibility Directive), ensuring compliance in safety-critical operations.

　　Service Ecosystem: Collaboration with Fugro Seastar provides globally covered differential services, reducing reliance on local reference stations and enhancing deployment flexibility.

　　Application Scenarios:

　　Marine Navigation: Merchant ships, fishing vessels, yachts, research vessels (such as the "Xuelong 2"), and offshore oil platforms, supporting customized interfaces for dynamic positioning (DP) systems.

　　Critical Missions: Maritime rescue, oil exploration, polar scientific research, maintaining positional accuracy through inertial navigation in areas without satellite signals (such as the Arctic shipping route).

　　Infrastructure: The Trondheim Fjord Autonomous Navigation Test Site utilizes DGNSS reference stations and AIS base stations to verify ship remote control and cluster awareness capabilities.

　　Extended Models:

　　SEAPATH Series: Such as the SEAPATH 130/380, integrating INS/GNSS systems, supporting multiple constellations (including GLONASS), used for seabed mapping and motion gyro compasses, adapted for embedded solutions.

　　Industrial Sensors: Such as the MB286T125U temperature sensor and GT300 pressure probe, covering power system monitoring (vibration, pressure, flow) and structural safety (stress, fire warning), but not directly related to navigation and positioning.

　　Summary

　　The Seapath 380+ is Kongsberg's flagship DGNSS sensor for professional marine navigation. Through multi-system fusion and Seastar G4 service, it achieves global decimeter-level high-precision positioning, possessing anti-interference, high reliability, and easy scalability, making it an ideal choice for marine engineering, ocean navigation, and dynamic positioning operations.

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