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The GPS week number rollover is a phenomenon that happens every 1,024 weeks, which is about 19.6 years. The Global Positioning System (GPS) broadcasts a date, including a week number counter that is stored in only ten binary digits, whose range is therefore 0–1,023.
GPS dates are expressed as a week number and a day-of-week number, with the week number initially using a ten-bit value and modernised GPS navigation messages using a 13-bit field. Ten-bit systems would roll over every 1024 weeks (about 19.6 years) after Sunday 6 January 1980 (the GPS epoch), and 13-bit systems roll over every 8192 weeks ...
Time formatting and storage bugs lists other similar problems, often caused by rollover similar to the cause of this year 2038 problem. A GPS week number rollover will coincidentally happen later in 2038, for a different reason than this year 2038 problem.
GPS time is expressed with a resolution of 1.5 seconds as a week number and a time of week count (TOW). [13] Its zero point (week 0, TOW 0) is defined to be 1980-01-06T00:00Z. The TOW count is a value ranging from 0 to 403,199 whose meaning is the number of 1.5 second periods elapsed since the beginning of the GPS week.
GPS week number rollover; J. Japanese calendar era bug; L. Leap year problem; Y. Year 1900 problem; Year 2000 problem; Year 2011 problem; Year 2038 problem This page ...
GPS counts weeks (a week is defined to start on Sunday) and 6 January is the first Sunday of 1980. [ 35 ] [ 36 ] Weeks are stored in a 10-bit integer, and the first GPS week number rollover occurred in August 1999.
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I would suggest that this article be moved from GPS Week Number Rollover 2019 to GPS Week Number Rollover with the necessary article tweaks, and a section for the 1999 rollover be added. Alsee 01:12, 10 June 2019 (UTC) If someone will change introduction of article, you can move it. Patriccck 04:45, 10 June 2019 (UTC)