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The System: BeiDou Adds Two, Plans Auto Sat Nav

September 1, 2015 - By

China launched two BeiDou navigation satellites into medium Earth orbit on July 25. The two new satellites, BeiDou-3 M1 and BeiDou-3 M2, are in orbital slots 1 and 6 of Plane 1 (or A Plane), respectively. The satellites are designated BDS M1-S and M2-S — the “S” may stand for “Test” (in Chinese: 试验 = Shiyan). On Aug. 14, China stated... read more

This article is tagged with , , , , and posted in From the Magazine, GNSS

The economic benefits of GPS

September 1, 2015 - By

This article is based on a presentation to the National Space-Based Positioning, Navigation and Timing Advisory Board in June 2015. The study reported on at the meeting was requested by the National Executive Committee for Space-Based Positioning, Navigation and Timing. It demonstrates the widespread use and importance of GPS to the U.S., with estimated benefits in 2013 of about $56... read more

This article is tagged with , , , , , , , , , , , , and posted in From the Magazine, Machine Control/Ag, Mobile, OEM, Survey, Transportation
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