Geoscientific Instrumentation, Methods and Data Systems
Geoscientific Instrumentation, Methods and Data Systems
GI
Articles | Volume 10, issue 2
Articles | Volume 10, issue 2
https://doi.org/10.5194/gi-10-161-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gi-10-161-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 10, issue 2
Review article
 | 
28 Jul 2021
Review article |  | 28 Jul 2021

The impact and resolution of the GPS week number rollover of April 2019 on autonomous geophysical instrument platforms

Shane Coyle, C. Robert Clauer, Michael D. Hartinger, Zhonghua Xu, and Yuxiang Peng

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Short summary
Global satellite navigation systems are commonly used for timing and synchronization of instrument platforms. These system clocks periodically roll over from limitations in discrete counter math. Due to the rarity of these events (19.6 years for GPS), special consideration must be given to designing instruments intended for use in hard-to-reach locations like the Antarctic Plateau. A few best practices are presented to prevent total system failure from unexpected subsystem faults.
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