Volume 21, Issue 4, April 2025

The growing importance of geospatial technology and challenges

T Vijayalakshmi

GNSS Constellation specific monthly analysis summary: March 2025

Narayan Dhital

Impacts of climate and land use/cover changes on the sustainability of irrigation water in West Africa: a systematic review

Gemechu Fufa Arfasa, Ebenezer Owusu-Sekyere, Dzigbodi Azdo Doke and Justice Ayegi Ampofo
My Coordinates
EDITORIAL
News
GNSS | UAV | PNT UPDATE | IMAGING | GIS | INDUSTRY
CALENDAR
May 2025 - November 2025
Advertisers in this Issue :
SBG System

Volume 21, Issue 3, March 2025
 
 

Intelligent, automated, rapid, and safe landmine, improvised explosive device and unexploded ordnance detection using Maggy

Kaya Kuru, Aadithya Sujit, Darren Ansell, John Michael Pinder, David Jones, Benjamin Jon Watkinson, Ridha Hamila and Claire Tinker-Mil

GNSS Constellation specific monthly analysis summary: February 2025

Narayan Dhital

Geospatial Assessment of Impacts of Sand Mining Activities in Zanzibar

Rahma Rashid Amour and Haji Ali Haj


May 2022 | No Comment

Thales Alenia Space, joint venture between Thales (67 %) and Leonardo (33 %), has announced that it has been awarded a contract by the French Space Agency CNES to develop a  DFMC (Dual Frequency Multi Constellations) SBAS prototype in the frame of the next generation of SBAS, like EGNOS, the European navigation satellite system.

This prototype …

May 2022 | No Comment

The Navigation Laboratory of the European Space Agency (ESA) has acquired an unmanned aerial vehicle (UAV) that can carry different types of satellite navigation receivers to collect data for follow-on analysis.

The NavLab, based at ESA’s ESTEC technical centre in Noordwijk, the Netherlands, is focused on the testing, analysis and characterization of navigation systems for both ESA and external customers.

With …

May 2022 | No Comment

NextNav has announced that it has recently participated in the European Commission’s Joint Research Centre (JRC) alternative positioning, navigation, and timing (APNT) evaluation in Ispra, Italy. According to the JRC, the trial is analyzing the technologies “which could deliver positioning, and/or timing information, independently from GNSS, to be effective backup in the event of GNSS disruption, …

May 2022 | No Comment

Inertial Labs has launched a new GNSS-aided inertial navigation system. INS-DM is an IP68-rated version of the company’s new generation of super ruggedized units, shielded from electromagnetic interference. The fully integrated device combines the inertial navigation system (INS) with an attitude and heading reference system (AHRS) and air data computer (ADC).

The high-performance strapdown system determines position, …

May 2022 | No Comment

ViaLite’s RF over fiber systems can carry GPS/GNSS timing signals over long distances with very low signal degradation. However, the same cannot be said of GPS signals before they reach the GPS/GNSS antenna, as these weak radio waves are highly susceptible to jamming or spoofing.

Timing-critical infrastructures in areas such as defense and cyber security can …