NASA NTRS · 19890018540
Geostar's system architectures
Abstract
Geostar is currently constructing a radiodetermination satellite system to provide position fixes and vehicle surveillance services, and has proposed a digital land mobile satellite service to provide data, facsimile and digitized voice services to low cost mobile users. The different system architectures for these two systems, are reviewed.
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Lepkowski, Ronald J.. 1989-03-01. Geostar's system architectures. https://ntrs.nasa.gov/citations/19890018540
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