Volume 21, Issue 6, June 2025

gSim – Low Cost Dual Frequency GPS & Galileo Simulator

Pavel Kovár, adam Puta, Pavel Puricer and Katerina Kovárová

GNSS Constellation Specific Monthly Analysis Summary: May 2025

Narayan Dhital

Combating Air Pollution in NCT of Delhi: Strategic Pathways

A K Jain
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July 2025 - November 2025
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Volume 21, Issue 5, May 2025
 
 

Cleaning and conservation of river Yamuna in Delhi

A K Jain

GNSS Constellation specific monthly analysis summary: April 2025

Narayan Dhital

Emerging underwater survey technologies: A review and future outlook

Osayi Philip Igbinenikaro, Oladipo Olugbenga Adekoya and Emmanuel Augustine Etukudoh


Nov 2023 | No Comment

The United States Space Force’s Space Systems Command (SSC) has a specialized branch responsible for certifying GPS accuracy called the GPS Certification Branch. It is a specialized team within SSC that is responsible for certifying the hardware, software, and firmware used in GPS-based systems.

The certification process conducted by SSC’s GPS Certification Branch involves the evaluation of …

Nov 2023 | One Comment

Land tenure security is a critical government service that has repercussions on agricultural productivity, housing development, business investment, and the development of urban areas. The present study presents a cost-benefit analysis of tenure security in Sub-Saharan Africa. Readers may recall that we published the first part of the study in September 2023 issue of Coordinates. …

Nov 2023 | No Comment

In this study, an extreme value analysis is condcuted of the daily average relativistic electron flux in GPS orbit as a function of position and energy using data from the US NS41 satellite from 10 December 2000 to 25 July 2020

Nigel P. Meredith

British Antarctic Survey, Natural Environment Research Council, Cambridge, United Kingdom

Thomas E. Cayton

Santa Fe, …

Oct 2023 | No Comment

According to Rokubun — a Spanish company that designs accurate and scalable navigation solutions based on GNSS — released a library solution for decoding and processing Galileo Open Service Navigation Message Authentication (OSNMA) for embedded platforms.

The solution is part of the Horizon Europe BANSHEE project, for which Rokubun served as the coordinating, is EU-funded, and is supported by …

Oct 2023 | No Comment

The European Union Aviation Safety Agency (EASA) has certified Madrid-based European Satellite Services Provider (EESP) as a pan-European communication services provider for Iris data link services.

Iris, a project supported by the European Space Agency (ESA) and various European partners, aims to develop a satellite-based air-ground communication system to enhance air traffic management. By 2028, Iris …