Rail Profile

The NovAtel® SPAN® Rail Profile improves the position, velocity and attitude performance while operating in challenging rail dynamic environments. The SPAN Rail profile is available for all SPAN supported Inertial Measurement Units.


  • Continuous position, velocity and attitude output through extended GNSS outage
  • SPAN intelligent rail dynamics modeling
  • Enhanced navigation performance in low dynamic applications
  • Patented Antenna Phase Windup technology 
  • Available for all SPAN supported IMUs