作者: A. Dorsey , B. Bell , J. Srinivasan , Y. Bar-Sever
DOI:
关键词: Geography 、 Technology utilization 、 Differential GPS 、 Current (fluid) 、 Space (commercial competition) 、 Global Positioning System 、 Systems engineering 、 Aerospace engineering
摘要: In this article we describe the developments in third and last year of effort, discuss current status system its potential future evolution.