... Additionally, some manufacturer implementationsinterpret the WN parameter relative to a date other than January 5, 1980. These devices should not beaffected by the WN rollover on April 6, 2019 but may experience a similar rollover event at a future date.For example, a particular GPS device may interpret the WN parameter relative to a firmware creationdate and would experience a similar rollover event 1024 weeks after that firmware creation date.