 | Article
Expert Advice: Block IIR Lifetimes and GPS Sustainment November 1, 2010
By: J. David Riggs,Willard Marquis
In 2009, a Government Accountability Office (GAO) report claimed that the GPS constellation was extremely vulnerable to failure, and a recent September 2010 GAO follow-up continues to make that assertion. In this article, we present the technical data to contradict some of the GAO report...more >>
|
 | Article
L5 Demo Payload May 1, 2009
By: Captain Brandon Erwin,Jim Irvine,Michael McFadden,Tom Powell,Willard Marquis
Engineers at the GPS Wing considered the two basic factors of risk management, probability of occurrence and resultant consequences, as they initiated the L5 Demo project. Working with contractor teams, they successfully overcame obstacles to securing GPS's frequency allocation for the L5 signal,...more >>
|
RSS
Become a Fan
Join our Network
Follow Us
