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...
QuickBird satellite image of Kalutara Beach on the southwestern coast of Sri Lanka showing the receding waters and beach damage from the Sumatra tsunami.( Credit: Digital Globe) How Ionospheric...
The U.S. Coast Guard Navigation Center has issued a notice that GPS satellite SVN-77 (PRN-14) was set healthy for initial use on Dec. 2 at 0131Z. This follows the U.S. Space Force announcement that...
u-blox is launching the u-blox 7, its next-generation core positioning technology platform. Supporting all deployed as well as soon-to-be deployed GNSS, the platform is based on the UBX-G7020...
Greater Fidelity Using a 3D Approach By Wei Zhang, Attila Komjathy, Simon Banville, and Richard B. Langley INNOVATION INSIGHTS by Richard Langley MAY YOU LIVE IN INTERESTING TIMES. So goes the...
The IGS Workshop, scheduled for September 2021 by the International GNSS Service (IGS), has been postponed to 2022. The IGS Central Bureau voted for the postponement in December during its governing...
The U.S. Coast Guard Public Affairs YouTube channel is hosting streaming files for virtual meetings of the U.S. Government’s Civil GPS Service Interface Committee (CGSIC), held Sept. 21-22....
GALILEO PROTOFLIGHTMODEL satellite began transmitting E1 and E5 signals in early December. ESA reports them well within power and shape specifications, and suited for interoperability with...
Parked cars near ground station decreased accuracy from 2 to 4 centimeters A new study shows that the quality of GNSS reflectometry measurements may have improved significantly during the pandemic...
Image: GPS World GPS World’s 30th anniversary GNSS timeline provides highlights in both system and policy development and industry over the past three decades. The timeline originally appeared in...