Time Formatting and Storage Bugs
Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
High Quality Content by WIKIPEDIA articles! In the last few months before the year 2000, two other date-related milestones occurred that received less publicity than the then-impending Y2K problem. The first problem was related to GPS devices: GPS dates are expressed as a week number and a day-of-week number, with the week number transmitted as a ten-bit value. This means that every 1,024 weeks after January 6, 1980 (the GPS epoch), the date resets again to that date; this happened for the first time on August 21, 1999. To address this concern, modernized GPS navigation messages use a 13-bit field, which only repeats every 8,192 weeks , and will not return to zero until near the year 2137. Данное издание не...
ISBN: 978-6-1305-2821-8
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Книга по требованию
Дата выхода: июль 2011