Chris Cope developed GNSS L5 Satellite System Support for the nxp-upstream/zephyr repository, expanding device compatibility to include GPS L5, Galileo L5, QZSS L5, and BeiDou L5 signals. He updated the gnss_system enumeration and related driver-level functions in C, enabling multi-constellation tracking and improving positioning robustness for embedded systems using GNSS technology. The work was delivered as a single, traceable commit with thorough documentation, ensuring maintainability and clarity for future development. No bugs were reported following integration, indicating a careful and validated approach. Chris demonstrated depth in C programming and embedded GNSS system integration throughout this project.