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The GPS epoch started at 00:01 1st June 1980 and the week number roles at 1024 week intervals at 0h (midnight) GPS time.
When a leap second is added its as if the clock stops for a second so GPS time will be in advance of UTC buy the number of leap seconds added. 18 leap seconds have been added to date, so 0h GPS 07 april 2019 will be crossed at 23:59:42 UTC on April 6, 2019
My Garmin did not roll correctly, however the timeserver at CDL did...
Posted : 06/04/2019 6:52 am