Comparative Analysis of Global GNSS Development Schedules and Budgets

Minsang Ryu, Sung-Woo Kim*, Byoung-Sun Lee

This study examines the development schedules and budgets of global and regional navigation satellite systems. The initially planned schedules and budgets were analyzed and compared with the actual implementation timelines and expenditures. The result indicate that most navigation satellite systems experienced delays and cost overruns relative to their original plans. Based on these results, this study identifies key implications for future satellite navigation system development.
Keywords: GNSS, RNSS, GPS

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