trap widths

recently did a test at Brands Hatch Indy UK with racechrono installed into a N70..using a Zycast SG278 receiver..had probs with spurious tracing of laps..wondered if it was maybe due to trap widths being set to wide? 50 m..or maybe receiver is pants!? trying the qstarz BT-Q818x...any ideas


  • Only problem that could be caused if the traps are too wide, is that you hit a wrong trap. It's possible that your receiver is no good.
  • Can you send the \RaceChrono\Sessions\*-nmea.txt file for this session to tracks(at) I can take a look what's the problem.
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