UrsaNav® UN-155 A/B R-PNT Receiver

Multisource R-PNT Receiver for Optimized Timing and Navigation in Challenging Environments

The UN-155 A/B is a compact, configurable Resilient Positioning, Navigation, and Timing (R-PNT) receiver designed to deliver continuous, dependable outputs by integrating multiple data sources. Built for operational flexibility, the UN-155 includes an eLoran module, GNSS/DGNSS capabilities, and supports external inputs, making it an ideal solution for demanding, GPS-degraded scenarios.

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Picture of a faceplate for a UN-155 A/B R-RNT Receiver

UN-155 A/B Key Features

  • Multisource Integration: Combines a UN-151 eLoran module, GNSS/DGNSS receiver, and external device input to generate resilient PNT outputs.

  • Configurable I/O: Features customizable 1PPS inputs and outputs, IRIG-B002 (BCD-DCLS), USB, Ethernet, and HDMI for seamless system integration.

  • Extended Data Logging: Offers up to three months of onboard data logging for long-term monitoring and analysis.

  • Compact Rack-Mount Design: 2RU form factor (48.3 x 55.9 x 8.9 cm) for efficient deployment in standard systems.

  • Global Compatibility: Supports both eLoran and Chayka signals, as well as EUROFIX and 9th/10th pulse Loran Data Channel (LDC) formats.

  • ELEGANT Software Integration: Monitors, controls, and logs positional data with a customizable software interface to meet specific operational needs.

UN-155 A/B Applications

  • National PNT Infrastructure Augmentation
  • Aerospace and Defense Operations
  • Coastal and Maritime Navigation
  • Broadcasting and Telecommunications Resilience
  • Power Grid and Utility Timing Synchronization

Why Choose the UN-155 A/B?

As threats to GPS and other space-based navigation systems increase, the UN-155 A/B delivers a dependable, redundant solution with multisource input. Whether your needs include GNSS continuity, eLoran reliability, or system-level flexibility, the UN-155 provides the tools and integration capabilities needed to keep your PNT systems operational—no matter the conditions.

Resilient PNT Starts Here

Interested in enhancing your infrastructure with a robust, compact, and adaptable receiver? Contact us today to learn more or request a quote for the UN-155 A/B Resilient PNT Receiver.