![]() ![]() Similar – but different – to the Millennium BugĪs we’ll see, it’s not quite the Millennium Bug for GPS receivers, but it does share some similarities. (To give just one example, GPS trackers employed in a fleet management system to track deliveries could cause system errors or even a crash if they suddenly start to output location data timestamped with a date 20 years in the past.) But it will create week, month and year timestamps that are wildly wrong, which could seriously impact any systems and applications that rely on GPS data at that level. This won’t affect the receiver’s ability to navigate and/or calculate precise time from the day level down to the microsecond level. The data they output may suddenly jump backwards in time, putting timestamps on your timing and navigation data that are nearly 20 years out of date. If they are, you may find your receivers start to behave strangely on – or more likely at some point after – 6 April 2019. If your vehicles or equipment rely on GPS receivers, now is the time to check if they’re affected by the GPS Week Number Rollover issue. Here’s what that means and how to check if a receiver is vulnerable. ![]() Some GPS receivers may malfunction on or after 6 April 2019 due to the GPS Week Rollover. ![]()
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