Positioning, Navigation, and Timing

Emergent designs, develops and tests navigation systems that use GPS for civil, commercial and military space missions. Emergent is currently supporting the development of GPS navigation systems for NOAA's Geostationary Operational Environmental Satellite - R (GOES-R) and NASA's Magnetospheric Multiscale (MMS) mission as well as developing our own GPS receivers and simulators. Emergent has experience and subject matter expertise in:

  • GPS-based Orbit Determination in LEO, HEO and GEO orbits
  • GPS Receiver Trade Studies
  • GPS Navigation Performance Analysis
  • GPS Receiver Test Planning, Procedure Development, Execution, and Analysis
  • Hardware-in-the-Loop Testing with Spirent GPS Signal Generators
  • Software-Defined and Codeless GPS Receivers
  • GPS Radiooccultation
  • GPS/GNSS Policy Development