Opinions Survey L2C — not just vanilla GPS anymore Published April 24, 2006 By Eric Gakstatter Join the Discussion This subject of this month's column is L2C. It's not just aboutvanilla GPS anymore. GPS modernization weighs heavily in future ofsatellite surveying. Read more » L2C Survey Scene
Research & Development Innovation: Spacecraft Navigator Published April 1, 2006 By GPS World Staff Join the Discussion Autonomous GPS Positioning at High Earth OrbitsTo initially acquire the GPS signals, a receiver also would have to search quickly through the much larger range of possible Doppler shifts and code delays than those experienced by a terrestrial receiver. Read more » Doppler shifts GNSS simulator GPS receivers high orbits OEM simulator spacecraft location
Opinions Survey WAAS Clarification Published March 27, 2006 By Eric Gakstatter Join the Discussion The FAA's announcement that WAAS in the northeastern United States and eastern Canada may be inhibited by relocation of a broadcasting satellite caused unease in some surveying organizations. The FAA notice doesn't tell the full story, however. Read more » Survey Scene WAAS
Opinions Survey Welcome to GPS World’s Survey & Construction Newsletter Published March 22, 2006 By Eric Gakstatter Join the Discussion The first subject I've selected to discuss with you is the FAA's WAAS program because of the recent and significant changes that have taken place in this program. Read more » Survey Scene
GLONASS GNSS Opinions Galileo, GLONASS, and GPS Published February 3, 2006 By GPS World Staff Join the Discussion by Javad Ashjaee, President & CEO, Javad Navigation Systems Read more » Javad Ashjaee
GNSS GPS Opinions Expert Advice: Unhealthy, Unappreciated, Incompletely Understood: The State of Our System Published January 1, 2006 By GPS World Staff Join the Discussion The Task Force viewed raising awareness level among the nation?s senior leadership as key to addressing some of the other problems facing the program. Read more » Expert Advice
GNSS Global View January 2006 Published January 1, 2006 By GPS World Staff Join the Discussion Defense Science Board Report — More Changes Called for in"The Future of GPS" Agreement on Galileo Facilities Read more »
Uncategorized Turn, Turn, Turn Published October 1, 2005 By GPS World Staff Join the Discussion Wheel-speed sensor measurements from front and rear axles calculate changes in yaw rate, as an aid to GPS navigation. Read more »
Research & Development Innovation: Satellite Navigation Evolution: The Software GNSS Receiver (PDF) Published January 1, 2005 By GPS World Staff Innovation: Satellite Navigation Evolution: The Software GNSS Receiver (PDF) By Glenn MacGougan, Peter Ludvig Normark, and Christian Stahlberg Published: January 2005 GPS World In this month’s Innovation, we look at a further evolution of the GNSS receiver which offers the promise of flexibility, adaptability, and cost-effectiveness.—Richard Langley Read more » GNSS software receiver OEM receiver design software receiver
Defense The Hunt for RFI: Unjamming a Coast Harbor Published January 1, 2003 By GPS World Staff Join the Discussion A team of engineers tracked down three rogue television antennas guilty of jamming GPS for months. Read more » harbor jamming marine marine navigation maritime security surveillance
