Innovative solution for relief printing without limiting heights
François Lecordix
While there is a clear need for on-demand 3D printing, existing solutions either fall short for large formats or, for smaller formats, suffer from mediocre quality or excessive cost. These limitations prevent the current solutions from effectively addressing the demand. [more]

Observation of travelling ionospheric disturbances over Morocco
Uluma Edward, Chali Idosa Uga, Solomon Otoo Lomotey, Athwart Davis Odhiambo, Fashae Joshua Bankole, Kouassi Nguessan, Muniafu Wilberforce, Boniface Nadine and Omondi George
Travelling ionospheric disturbances (TIDs) play an important role in the exchange of energy and momentum between various regions of the upper atmosphere and ionosphere. TIDs and atmospheric gravity waves (AGWs) are related in such a way that TIDs are manifestations of AGWs in the atmosphere.... [more]

GNSS Constellation Specific Monthly Analysis Summary: July 2024
Narayan Dhital
The article is a continuation of monthly performance analysis of the GNSS constellation. In this month’s issue, there is an additional discussion on the periodicity of the satellite atomic clock offset.... [more]

Digital Twins – A panacea for development?
Dr Siva Kumar Rachapudi
While 3D GIS provides a spatial foundation, a digital twin goes beyond by incorporating real-time data, simulation capabilities, and a broader range of information types. A digital twin can be more dynamic and interactive than a traditional 3D GIS model..... [more]