Tracy Cozzens

2 weeks ago | gpsworld.com | Tracy Cozzens

A report published in the April 7 edition of Satellite Navigation (DOI: 10.1186/s43020-025-00162-z) concludes that hybrid approaches are the most reliable solution for UAV navigation. The comprehensive review, by a research team from Prince Sultan University, evaluated 132 papers on UAV navigation in GPS-denied environments. The research team focused on absolute and relative localization techniques including vision-based systems, lidar and terrain-aided algorithms.

2 weeks ago | gpsworld.com | Tracy Cozzens

NAL Research and VectorNav Technologies — two U.S.-based leaders in assured position, navigation, and timing (APNT) solutions — are joining forces to develop and produce Iridium STL (satellite time and location)-aided inertial navigation systems (INS) designed to meet the increasing demand for resilient PNT in GNSS-denied environments.

2 weeks ago | gpsworld.com | Tracy Cozzens

ProStar Holdings, developer of the PointMan Precision Mapping Solutions, and Emlid Tech, European maker of high-precision GNSS equipment, are partnering to bring centimeter-level precision and cost-efficiency to mapping of underground utilities and other critical infrastructure. The strategic partnership offers ProStar’s PointMan platform, powered by Point One RTK correction services with Emlid’s lightweight and survey-grade GNSS receivers.

2 weeks ago | gpsworld.com | Tracy Cozzens

On April 29, the European forest satellite “Biomass” will be launched into space from Kourou aboard a European Vega-C rocket operated by Arianespace. The company Beyond Gravity, based in Zurich, Switzerland, supplied several key products for this mission. Its high-power antenna and navigation receiver will provide the satellite’s precise position in orbit. Also, the satellite will be protected by the company’s thermal insulation.

2 weeks ago | gpsworld.com | Tracy Cozzens

A new letter protesting the Federal Communications Commission’s (FCC)  Ligado Order marked the fifth anniversary of the controversial decision. In the letter, the Satellite Safety Alliance (SSA) and 93 companies and organizations stated the need for the Ligado Order to be overturned by President Trump and Congressional leadership.