GNSS

With support from the European Space Agency (ESA), Switzerland-based Luxtelligence has demonstrated prototyping capabilities in a novel photonic platform. The platform is based on thin-film lithium niobate (TFLN), suited for the development of high-speed electro-optic modulators. Such modulators could, in turn, be used in positioning, navigation and timing (PNT) technologies. Speaking at the ESA-hosted final presentation ...

Experts from Toitū Te Whenua Land Information New Zealand (LINZ) have recently conducted work in Antarctica that will, amongst other things, help scientists monitor the effects of climate change. The hydrographic, surveying and positioning team members undertook a range of activities aimed at maintaining the flow of key data, for which precise annual recalibration is ...

Skykraft, an Australian company, has signed a Participating Project Partner Agreement for the “Demonstration of Collaborative Position Navigation and Timing (PNT) in Low Earth Orbit (LEO)” project. This agreement, supported by an International Space Investment (ISI) India Projects grant from the Australian Government, will promote joint space projects between Australia and India. The primary goal ...

In response to the rising threat of GPS jamming in drone warfare, researchers at the University of South Australia (UniSA) have pioneered a celestial navigation system that uses star-based visual data as an alternative to the global positioning system. Combining celestial navigation with vision-based technology, UniSA’s remote sensing engineers have created a lightweight, cost-effective system ...

In a significant leap forward for vehicle navigation, researchers have developed an advanced system that integrates Global Navigation Satellite Systems (GNSS), Inertial Measurement Units (IMU), and Light Detection and Ranging (LiDAR) Odometry (LO). This novel approach addresses key challenges in urban navigation, offering a substantial boost in positioning accuracy and reliability, particularly in densely built ...

The European Space Agency-funded DANGO project has developed a method for transforming Galileo high-accuracy service (HAS) signals for use in the Danish national reference frame (ETRS89DK). Speaking at the recent final presentation of the DANGO project, DTU (Technical University of Denmark) Space Research Assistant Magdalena Golofit said, “HAS PPP corrections are delivered within the framework ...

Observing sites such as the Amazon basin from space has underscored the capability of satellites to better detect signs of drought, according to a new study. Led by Military University of Technology Poland and Griffith University, the researchers combined two advance satellite-based methods to improve monitoring of hydrological droughts.  Advance satellite-based methods, such as the ...

One of the biggest challenges for satellite based positioning is mitigating the effects of multipath interference and non-line-of-sight (NLOS) signals, particularly in urban environments. The Supercorrelation technology developed by UK-based Focal Point Positioning, already described in the pages of InsideGNSS, confronts the problem by performing long coherent integration, wherein the receiver antenna is moved in ...

Rada, a Tanzanian space tech innovator, and SatNav Africa JPO, a leading advocate for satellite navigation in Africa, have joined forces to revolutionize African agriculture through Global Navigation Satellite Systems (GNSS). SatNav Africa JPO’s expertise in GNSS and Satellite-Based Augmentation System (SBAS) services, utilizing advanced European solutions like EGNOS and Galileo, will significantly enhance the ...

The European Defense Fund (EDF) and the Ministries of Defense of Estonia and Finland have awarded a $6 million investment to Project BadB, a consortium led by KrattWorks, an Estonian defense technology company. The project focuses on developing advanced navigation solutions for land and aerial vehicles that operate independently of GNSS. Project BadB aims to ...

Crust and lithospheric mantle—the thinnest and thickest layers of the Earth’s lithosphere—and a wide range of dynamic processes that deform them can be studied by using high precision geodetic data taken directly from Global Navigation Satellite Systems (GNSS). GNSS data and data products can measure and help the user understand such factors as the Earth’s ...

Taking serious note of the complaints about illegal mining in the state, Chief Minister Yogi Adityanath has directed the Department of Geology and Mining to use technology on a large scale to effectively control illegal mining. According to an official, satellite monitoring will be used to watch over areas where illegal mining occurs, and vehicles ...

In the maritime sector, work is ongoing towards the identification and development of alternative PNT (positioning, navigation and timing) solutions, that is, solutions that are not wholly dependent on GNSS-based technologies. “The VHF data exchange system [VDES], is being considered as a source of alternative PNT [A-PNT] for maritime,” said Michael Turner of GMV NSL, ...

The National Highways Authority of India (NHAI) invited expressions of interest from global innovators to develop a GNSS-based electronic toll collection system, as announced by the Ministry of Road Transport and Highways. This initiative aims to integrate the GNSS system within the existing FASTag framework through a hybrid model combining RFID and GNSS-based toll collection. ...

LabSat has introduced the LabSat 4 GNSS Simulator, a GNSS test solution. This latest addition to the LabSat range is designed to meet the rigorous demands of modern GNSS signal testing, providing enhanced customization and precision. Key to LabSat 4 are its three RF channels, each configurable with up to 12-bit I&Q quantization and a ...

Global navigation satellite system reflectometry (GNSS-R) is emerging as a pivotal technology in remote sensing due to its ability to provide high-precision, real-time data under all weather conditions. Traditionally, the GNSS has been utilized for positioning, navigation, and timing. However, recent advancements have demonstrated its efficacy in environmental monitoring through scatterometry and reflectometry. GNSS-R capitalizes ...

Coastal landscapes, including sandy beaches and foredunes, are dynamic and susceptible to changes caused by water level fluctuations, storm events, and human activities. Monitoring these changes is crucial for effective coastal management and resilience planning. Traditional methods for measuring geomorphic changes, such as small-unoccupied aircraft systems paired with structure-from-motion photogrammetry (sUAS-SfM), are often costly and ...

The advantage of incorporating 5G within a global positioning solution lies in its extensive coverage and accessibility, especially in urban areas, where GNSS signal quality can be significantly compromised. The NAVISP-funded HYPER-5G project was aimed at studying, designing and developing algorithms and software needed to drive a precise positioning engine that would use both multi-constellation ...

The UK has successfully tested quantum-based navigation systems in flight. This commercial trial, led by the quantum technology firm Infleqtion, aims to enhance resilience against GPS jamming and spoofing. Although GPS jamming typically does not affect an aircraft’s flight path, Quantum-based Positioning, Navigation, and Timing (PNT) systems aim to provide accurate and resilient navigation, complementing ...

Satellite laser ranging (SLR) is one of the space geodetic techniques that uses lasers to measure the distance between ground stations and satellites with retroreflectors. This precise measurement provides critical data for determining the geocenter motion, terrestrial scale and Earth Rotation Parameters (ERP)—parameters fundamental to the International Terrestrial Reference Frame (ITRF). In an innovative study ...

Pix4D has launched PIX4Dcatch 2.0: a new and improved version of Pix4D’s terrestrial scanning iOS mobile app that adds professional-grade augmented reality (AR) and compatibility with a multitude of RTK devices. Pix4D is one of the leading providers of drone and terrestrial mapping and photogrammetry solutions. PIX4Dcatch is a mobile 3D scanning and AR visualization ...

On April 27, 2024 the SpaceX Falcon 9 medium-lift launch vehicle launched into orbit Galileo satellites GM25 and FM27 from Kennedy Space Center in Florida. This was Falcon 9’s 20th and final launch. The EU Agency for the Space Programme (EUSPA) confirmed in a statement that it is now in the Launch and Early Orbit ...

A Danish company, NaviBlind ApS, develops products that help blind and visually impaired people get around outdoors, enabling them to orient themselves and navigate in new and changing urban environments. The NaviBlind solution comprises a smartphone application and a wearable GNSS device, which together eliminate some of the challenges around exploring and remembering new routes. ...

SingularXYZ has presented its latest innovation for geospatial professionals: the X1 Pro GNSS receiver. This new device aims to refine precision in surveying technology with a range of features tailored to streamline operations and improve accuracy. Central to the X1 Pro is its enhanced HD colour screen, providing users with clear visibility for monitoring status ...

South Korea and Japan will collaborate on the development and operation of regional satellite navigation systems in East Asia, Seoul’s science ministry said Tuesday. The two countries signed a memorandum of cooperation (MOC), designed for practical cooperation in developing and operating their respective satellite systems in the region, according to the Ministry of Science and ...

An exceptionally severe storm swept over Zurich on 13 July 2021 shortly before 2 a.m., with howling squalls, constant lightning and torrential rain that awakened people with a start. Benedikt Soja, Professor of Space Geodesy, got little sleep that night. “It was one of the most severe storms I’ve ever witnessed. I woke up in ...

European Space Agency (ESA) allocated €76.6 million to develop the Genesis orbital observatory, which will be able to determine the position of objects on Earth with an accuracy of one millimeter. Another €156.8 million has been allocated for the launch of a low-orbit constellation of devices to test and improve the reliability of satellite navigation. ...

Trimble and Radiodetection announced today a collaboration to improve the technology used in the utility measurement and mapping process. Through the integration of the Trimble® Catalyst™ DA2 GNSS system and Radiodetection’s RD MapTM+ application and precision locator products, the software and hardware integration streamlines utility-locating workflows to provide high-accuracy measurement capabilities for the creation of ...

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We’re pleased to release our new GPS jamming map tool. The new map allows users to view areas of GPS jamming and interference around the world in an easy to understand visual format. As part of the ADS-B messages we receive from each aircraft, the Navigation integrity category (NIC) encodes the quality and consistency of ...