UrsaNav® UN-151 Receiver Module

Precision eLoran OEM Receiver for Timing, Navigation, and LF Signal Applications

The UN-151 Receiver Module from UrsaNav® is a highly versatile OEM solution designed for advanced Positioning, Navigation, and Timing (PNT) applications using Low and Medium Frequency signals. Supporting Loran-C, Enhanced Loran (eLoran), Chayka, WWV, and DCF77, the UN-151 Receiver Module provides precise 1PPS and 10 MHz outputs aligned to UTC, as well as robust data channel demodulation.

This software-configurable module is ideal for integration into scientific, commercial, and infrastructure systems that require resilient, traceable timing and navigation. It forms the core of UrsaNav’s OEM receiver offerings and powers all receivers in the UN-15X product line.

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UN-151

UN-151 Key Features

  • Supports Loran-C, eLoran, Chayka, WWV, DCF77, and other LF/MF sources

  • Provides 10 MHz and 1PPS outputs with nanosecond-level UTC accuracy

  • Full LORAN Data Channel (LDC) support and GNSS integration capability

  • Accepts external 1PPS and frequency inputs for scientific calibration

  • Single-connector interface for E-field or H-field antenna configurations

UN-151 Applications

  • Resilient timing systems for telecom, energy, and transportation
  • Scientific research and calibration equipment
  • Differential eLoran reference stations
  • Secure navigation systems independent of GNSS

Why Choose the UN-151 Receiver Module?

The UN-151 Receiver Module stands out as a trusted, field-proven solution for organizations that demand precise, resilient, and adaptable LF-based Positioning, Navigation, and Timing (PNT). It’s the foundational technology behind UrsaNav’s eLoran product line and is engineered for long-term integration across diverse environments.

  • Proven Performance: Built on years of operational deployment and continuous refinement across global infrastructure projects.

  • Integration Flexibility: Compact, OEM-ready design that easily fits into custom systems while supporting standalone use.

  • Advanced Signal Processing: Tracks multi-standard LF/MF signals with support for all current LORAN Data Channel formats, cross-rate cancellation, and ASF compensation.

  • Future-Ready Architecture: Software-configurable platform with the capacity to support evolving waveform standards, modulation techniques, and multi-frequency transmissions.

  • Backed by Expertise: Developed and supported by UrsaNav®, a global leader in LF PNT technologies from transmission through reception.

Choose the UN-151 to build timing and navigation solutions that are accurate, scalable, and built to endure.

Learn More About the UN-151 Receiver Module

Whether you're enhancing critical infrastructure, building resilient timing systems, or developing new LF solutions, our team is here to help.
Contact Us Today to discuss how the UN-151 Receiver Module fits into your application.