Global Navigation Satellite Systems Engineering, Policy, and Design
Global Navigation Satellite Systems Engineering, Policy, and Design
MD 2011 trajectory (NASA) A schoolbus-sized asteroid grazed the Earth’s atmosphere around 1:00 P.M. (EDT) on June 27. It was 7,600 miles (12,300…
By Inside GNSS
On June 27, the Supreme Court decided to accept a 2005 Washington D.C. warrantless tracking case that illustrates how confusing GPS satellite positioning…
By Inside GNSS
Detail of India’s GAGAN system, from a presentation by Dr. S.V. Kibe. For full diagram: The communications satellite that carries India’s GPS-Aided Geo…
By Inside GNSS
Return to main story.
By Inside GNSS
Much of the research into the possible effects of the planned LightSquared cellular broadband transmissions near the GPS L1 band have focused on…
By Inside GNSS
Would-be cellular broadband company LightSquared promised a Congressional subcommittee Thursday (June 23, 2011) that it would scale back its proposed wireless system and…
By Inside GNSS
The House Appropriations Committee approved its version of the Fiscal Year 2012 (FY12) Department of Defense Appropriations Act (H.R.2219) on June 14, cutting…
By Inside GNSS
LightSquared’s proposed broadband service may cause trouble for GNSS receivers, such as this one, that use commercial satellite augmentation services. The Senate is…
By Inside GNSS
The U.S. House of Representatives Appropriations Committee today (June 23, 2011) approved action that would prevent the Federal Communications Commission (FCC) from expending…
By Inside GNSS
The report concerns economic effects on high precision commercial uses of GPS, such as precision agriculture. (U Calif. photo) Research released yesterday (June…
By Inside GNSS
The two Soyuz ST-B launchers and Fregat-MT upper stages arrived at Kourou harbor on June 18 are the most powerful Soyuz-Fregat combination available,…
By Inside GNSS
Results of John Deere test of LightSquared’s effect on high-precision GPS receivers In what looks like a pre-emptive strike in the wake of…
By Inside GNSS
LightSquared graphic With test results and congressional sentiment running against it, LightSquared has received a two-week extension for filing its report and recommendations,…
By Inside GNSS
Successful completion today (June 15, 2011) of the rephrasing of the GPS constellation known as “Expandable 24,” has produced the most optimal geometry…
By Inside GNSS
Lockheed Martin Space Systems Company, which is developing the GPS IIIA generation of satellites, announced today (June 14, 2011) a 7.5 percent reduction…
By Inside GNSS
