Precise Point Positioning (PPP) is widely used for high-accuracy navigation, but broadcast ephemeris from the BDS-3 system still suffers from hourly discontinuities that degrade real-time performance.

Usually databases are treated primarily as fairly dumb data storage systems, but they can be capable of much more. Case in point the PostgreSQL database and its – Ada-based – PL/pgSQL programming ...

A one-chip multiconstellation GNSS receiver, now in volume production, has been tested in severe urban environments to demonstrate the benefits of multiconstellation operation in a consumer receiver.

GPS got its start in Orange County in the 1970s with Autonetics, a former division of Rockwell International and once the largest employer in Anaheim. And Cal State Fullerton professor of electrical ...

GPS receivers on LEO satellites have traditionally supported both ground-based and onboard navigation tasks. The distinction between both areas is primarily driven by accuracy needs and the associated ...