Coast Guard Discontinues Differential GPS Broadcast
On June 30, 2020 the Coast Guard switched off the last Differential Global Positioning System (DGPS) signals after more than 25 years of service.With the improved accuracy and integrity of un-augmented GPS over the last several years, and with the introduction of the U.S. operated satellite-based augmentation system known as Wide Area Augmentation System (WAAS), the maritime community no longer has a mission requirement for DGPS. GPS now provides sufficient positional accuracy…
Fugro Launches Seastar XP2
Fugro Satellite Positioning released its Seastar XP2 PPP GNSS augmentation service on July 1, 2014, which provides increased redundancy for mission-critical offshore GNSS position and navigation applications. Like Fugro’s flagship Seastar G2 service, XP2 is an L1/L2, phase-based, Orbit and Clock PPP service. Similar to the 24+ American GPS satellites, XP2 incorporates a number of Russian GLONASS satellites to generate corrections that permit the calculation of a real-time position solution. The new XP2 service mimics Fugro’s flagship G2 and offers accuracies approaching it.
New DP Vessel Inertial-aided GNSS Service by Veripos
Global offshore positioning specialists Veripos introduce a new inertially-aided precision GNSS solution for dynamically positioned vessels. The new system, Verify Axiom, combines tthe latest GNSS positioning technology advances with high integrity inertial measurements for enhanced and more reliable positioning performance. Developed in association with Sonardyne International Ltd. and featuring the seamless integration of Veripos GNSS and Sonardyne inertial technologies, Verify Axiom exploits long-term precision characteristics of GNSS positioning with the continuous availability and rapid update rates of inertial sensors. It thus…
New Satellite Navigation Service from Fugro
Oslo based navigation specialist Fugro Seastar AS has announced the introduction of a new service: SeaSTAR G2. This new high performance navigation service combines the navigation satellites of both the American GPS constellation and the Russian GLONASS constellation, to produce a composite GPS/GLONASS position solution. The service utilizes Fugro’s own network of dual system reference stations to calculate ‘orbit and clock’ errors on a satellite by satellite basis for all 50…
