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...
Septentrio’s SECORX-S GPS/GNSS receiver product line offers sub-decimeter accuracy without the need for additional positioning service subscriptions. The mosaic-Sx module. (Photo: Septentrio) ...
By Frank van Diggelen, Global Locate, Inc. This update to a frequently requested article first published here in 1998 explains how statistical methods can create many different position accuracy...
AURORA BOREALIS seen from Churchill, Manitoba, Canada. Ionospheric scintillation research can benefit from this new method. (Photo: Aiden Morrison) Photo: Canadian Armed Forces By Aiden Morrison,...
A Primer on GPS Truth By David Rutledge True to its word origins, accuracy demands careful and thoughtful work. This article provides a close look at the differences between the precision and...
Dana Goward, President, Resilient PNT Foundation The Empire State Building sits atop a massive and solid foundation that hardly anyone ever sees. Above ground it has 2.8 million square feet of...
Opposing the FCC’s Ligado Decision Not surprisingly, the primary topic at the July 1 meeting of the National Space-based Positioning, Navigation and Timing Advisory Board was the Federal...
Aircraft position as obtained by Galileo-only receiver during Netherlands flight. The European Space Agency’s Galileo satellites have achieved their first aerial fix of longitude, latitude...