SimMNSA GPS Military Code Simulation Software

SimMNSA enables authorized U.S. users to test MGUE M-Code receivers with real M-Code signals in secure, lab-based environments for assured PNT performance.

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  • Compatible hardware

    PNT X

  • Use cases

    GPS MNSA M-Code Signal Emulation

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Highlights

SimMNSA delivers Modernized Navstar Security Architecture (MNSA) M-Code simulation as a software upgrade for the PNT X simulation platform. It is a scalable, flexible solution that accelerates development timelines, enables confidence in M-Code performance, and strengthens warfighter readiness.

Capabilities

  • Implements MNSA — the next step beyond Advanced Encryption Standard (AES) and Simulator Data Sets (SDS) methods for GPS M-Code simulation
  • Complete user control over scenario configuration, including signal conditions and threat environments
  • Simulate Regional Military Protection (RMP)
  • Support for Blue Force Electronic Attack scenarios, enabling continued M-Code operation while denying commercial GPS signals
  • High-fidelity, mission-ready testing compliant with M-Code specification
  • Available to authorized users of the PNT X simulation system
  • Granted security approval by the Global Positioning Systems Directorate

Integration

  • PNT X — Assured PNT and NAVWAR simulation system
  • PNT X Controlled Reception Pattern Antenna (CRPA) Test System — anti-jam antenna wavefront test system