On 24 January 2023, the European Union declared the Galileo High Accuracy Service (HAS) operational for testing, and it is scheduled to become fully operational in 2024. This free signal adds...

Hemisphere GPS was awarded a patent for the Broadband Aperture Coupled GNSS Microstrip Patch Antenna (U.S. Patent 7,429,952). "What makes this antenna design unique is its use of dielectric layers,"...

Trimble have introduced a Global Navigation Satellite System (GNSS) reference receiver for precise scientific and network infrastructure applications - the Trimble® NetR8 GNSS reference receiver. The new reference receiver is...

Veripos announces a major enhancement of its services with an increase in transmission power from Inmarsat’s Atlantic Ocean East Region satellite, resulting in fully redundant High-Power delivery of GNSS augmentation...

Kongsberg will supply Germany’s forthcoming 125-metre ocean research vessel, Meteor IV, with a range of highly advanced scientific sensors and handling equipment. Scheduled for launch in 2026, Meteor IV is...

Magellan has showcased its latest dual-frequency GNSS receiver at the Oceanology International 2008. The latest advance from Magellan processes GPS and GLONASS signals via Magellan's patented BLADE technology to offer...

A precise navigation system that has been fully operational only since 1995, yet has had such an impact on hydrography… it looks as if the future of these systems will...

None of us can anymore imagine hydrographic work without satellite positioning. Improvements in performance since the first launch at the end of the70s have made it suitable for more and...

The reasons for GPS vulnerability due to interference are explained and reasons behind the system being designed as it is today discussed. In addition, consideration is given to why some...

GNSS has now been operational in the surveying industry, and especially in hydrography, for more than 25 years. Whereas the first receivers such as the Sercel NR103 (once the workhorse...