Guest Editorial: Commercial GPS Receivers See Combat Action

This month we present a guest column by James D. Litton, who attended the 2012 GPS Partnership Council, jointly sponsored by the Armed Forces Communication and Electronics Association and the U.S. Air Force GPS Directorate. The key topic of this year’s council quickly emerged as the tension between commercial off-the-shelf GPS receivers and official military issue; the two are used side-by-side ...

CAST Navigation: Signal Diversity and the PHGPST

As loyal readers are aware, I have long been an advocate of signal diversity as a solution to many of the ills that plague the GPS user, especially outdated user equipment. Signal diversity potentially provides users with more signals and signal origins.