James L Farrell Blog
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- I perform functional formulations and algorithm generation plus validation for both simulation and operational purposes in system integration. Read moreQuestions submitted by members of various forums, understandably, frequently involve one or more of the following topics: * some or all facets Read moreAt ION GNSS 2011 in Portland OR, Javad Ashjaee, James L. Farrell and others participated in a panel discussing the U.S. Dept. of Homeland Read moreBefore GPS took over so many operations by storm (e.g., navigation,tracking, timing, surveying, etc.), designers had access to other -- far less Read moreThe number of runway incursions, as shown on an FAA URL was nearly a thousand in FY 2011 and 1150 for FY 2012. A subsequent article shows Read moreA 1996 crash that killed U.S. Commerce Secretary Ron Brown drew attention to a problem that has caused thousands of airline fatalities. Read moreTracking acceleration dynamics by GNSS, radar, imaging My 2007 book on GPS and GNSS (GNSS Aided Navigation & Tracking), as its title implies, Read moreGPS and GNSS Check out a preview of “GNSS Aided Navigation & Tracking” (click here) GNSS Aided Navigation & Tracking - Inertially Read moreSchuler cycles distorted -- Here's why A 1999 publication I coauthored took dead aim at a characteristic that received far too little attention Read moreGPS Carrier Phase for Dynamics ? The practice of dead reckoning (a figurative phrase of uncertain origin) is five centuries old. In its Read more