By Jenna R. Tong, Robert J. Watson, and Cathryn N. Mitchell, University of Bath Using signal-to-noise measurements from a single commercial-grade L1 GPS receiver, it is possible to detect...
NOAA’s National Geodetic Survey (NGS) is conducting a 12-year project, called Gravity for the Redefinition of the American Vertical Datum (GRAV-D), to redefine the vertical datum of the United...
Trimble has introduced the Aardvark DR+GPS module that combines dead reckoning (DR) with GPS technology on a single, compact board. The Trimble Aardvark DR+GPS module provides positioning information...
A team of Canadian and German researchers have obtained precise three-dimensional positions using measurements from the four prototype Galileo satellites now in orbit. The two In-Orbit Validation...
Beyond GPS report. Check out the report here. (Cover: NSI) George Mason University has revised a briefing paper on positioning, navigation and timing (PNT) in response to concerns about its...
Mark Sampson By Mark Sampson, Racelogic GNSS is changing. The days of only American GPS satellites providing signals to the civilian population are gone as new constellations are launched. GLONASS...
Beating up the backstretch neck and neck, tied for third in the GNSS race, Galileo and Compass today offer some signals and some satellites to GNSS users — as long as those users are researchers....
Third Lockheed Martin-Built GPS III satellite climbs to orbit on its own power GPS III SV03 increases number of secure military code (M-code) enabled satellites in GPS constellation to 22 total. ...
Understanding and Using GNSS Multipath By Andria Bilich and Kristine M. Larson Telltale signs of multipath are the fluctuations in the signal-to-noise ratios (SNRs) reported by some GNSS receivers....
The European GNSS Agency (GSA) has published a 2010 GNSS Market Monitoring report, providing key information in support of entrepreneurship in the satellite navigation sector. GNSS market forecasting...