NASA NTRS · 19940026138
An Operational Control Segment (OCS) update on GPS constellation status and future program directions
Abstract
An update on what is going on with the Global Positioning System (GPS) is presented. The performance of the GPS is covered, and the Federal Radionavigation Plan is discussed.
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Freer, Harrison C.. 1994-05-01. An Operational Control Segment (OCS) update on GPS constellation status and future program directions. https://ntrs.nasa.gov/citations/19940026138
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