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Year 2000! |
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CNS Systems' Year 2000 and Week Rollover Compliance |
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Year 2000 Readiness Status:
CNS Systems has defined "Year 2000 Ready" as the capability of a CNS Systems product, when used in accordance with its associated documentation, to correctly process, provide and/or receive date data in and between the years 1999 and 2000, including leap year calculations, provided that all other products and systems (for example, hardware, software, operating system and firmware) used with the CNS Systems product properly exchange accurate date data with it.
All current CNS Systems products are Year 2000 Ready. This definition is not a statement of warranty and may not be interpreted to expand any warranty provided with products supplied by CNS Systems.
GPS Week Rollover Status:
In August of 1999, the GPS week number will rollover from 1023 to 0 due to the limited length of the GPS week field in the navigation data stream. CNS Systems has defined "GPS Week Rollover Ready" as the capability of a CNS Systems product, when used in accordance with its associated documentation, to correctly process, provide and/or receive date data in and between the months July and September 1999 provided that all other products and systems (for example, hardware, software, operating system and firmware) used with the CNS Systems product properly exchange accurate date data with it.
All current CNS Systems products are GPS Week Rollover Ready. This definition is not a statement of warranty and may not be interpreted to expand any warranty provided with products supplied by CNS Systems.
Embedded Products:
CNS Systems uses Motorola Oncore VP or UT+ receivers in its CNS Clock⢠products. On special order the Oncore GT+ receivers may also be included. These Motorola GPS receivers have been designed and tested to properly distinguish the correct 20 year window (1024 weeks is just shy of 20 years). These receivers will not need reprogramming or replacement come 1999. The transition will be completely transparent to users of Motorola Oncore GPS receivers. Multi-channel GPS satellite simulators have been used to test each rollover condition in GPS. The August 1999, year 2000, leap day, and leap second rollovers have all been successfully tested using simulators. All Oncore receivers are year 2000 compliant.