Volume 20, Issue 3, March 2024

GNSS constellation specific monthly analysis summary: February 2024

Narayan Dhital

The next layer: Towards open pedagogy in geospatial education

David Ray Abernathy

The Dynamics of ERA5 and GNSS-Derived Precipitable Water Vapour in the Climatic Zones of Nigeria

Ojegbile, B.M., Okolie, C.J., Omogunloye, O.G., Abiodun, O.E. and Olaleye, J.B.
My Coordinates
April 2024 - September 2024
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SBG System

Volume XX, Issue 2, February 2024

A GPS/GNSS utilisation risk model facilitates GNSS applications development and operation

Renato Filjar, Igor Klopotan, Nenad Sikirica and Ivan Hedji

GNSS constellation specific monthly analysis summary: January 2024

Narayan Dhital

New age technologies for cities and infrastructure planning

A K Jain

The contributions of space geodesy to the construction of sustainable cities in Africa and around the world

Kêmy Elary Mahugnon ADJAGAN and Jean Raphaël ADELAKOUN

Constraints of surveying and mapping Awareness in Nigeria: A comprehensive review

Godwill Tamunobiekiri Pepple, Deborah Gold Alapa, Henry Omoloize Irumhe and Yokyshor Lifu

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 …