Mosaic-G5 GNSS receivers
Septentrio has unveiled mosaic-G5 modules, its smallest GNSS receivers yet, measuring only 23 mm by 16 mm and weighing as little as 2.2 grams. The ultra compact form factor and reduced power consumption of mosaic-G5 receivers enable reliable, high-accuracy positioning. The quad-band mosaic-G5 P3 and …
GeoTerra selects Vexcel’s UltraCam Merlin 4.1
GeoTerra, USA has acquired the UltraCam Merlin 4.1 2010 digital aerial camera system by Vexcel Imaging. This marks GeoTerra’s transition to Vexcel’s fourth-generation camera systems and reinforces their commitment to delivering versatile, reliable, and high accuracy imagery for engineering and government …
Thales invests €55M to boost next gen resilient navigation in France
Thales has announced a major €55 million investment to strengthen its industrial sites in Châtellerault and Valence, France. This investment, which will be made between 2025 and 2028, will meet the growing demand for high-performance navigation solutions, …

With this issue, Coordinates steps into its 21st year.
Since our very first edition in June 2005,
We’ve remained committed to shaping the dialogue in positioning, navigation, and beyond.
Over two decades, Coordinates has chronicled the remarkable evolution of geospatial technologies.
Tracking innovations that redefine how we understand and navigate our world.
More than a publication, Coordinates has served as …

The Delhi Pollution Control Committee (DPCC) on 9th May 2025 invited concept notes from the IITs, professionals and NGOs on combating air pollution in Delhi. The author submitted this paper to the DPCC
A. K. Jain
Worked as Commissioner (Planning), Delhi Development Authority and as a member of the Committee of the Ministry of Housing and Urban …

The analysis performed in this report is solely his work and own opinion. State Program: U.S.A (G); EU (E); China (C) “Only MEO- SECM satellites”; Russia (R); Japan (J); India (I)
Narayan Dhital
Actively involved to support international collaboration in GNSSrelated activities. He has regularly supported and contributed to different workshops of the International Committee on GNSS …

We proved the concept of the generation of perfectly coherent dual frequency navigation signals using an SDR transceiver
Pavel Kovář
Czech Technical University in Prague, Department of Radio Engineering, Technicka 2, 166 27 Prague 6, Czech Republic
Adam Puta
Czech Technical University in Prague, Department of Radio Engineering, Technicka 2, 166 27 Prague 6, Czech Republic
Pavel Puričer
Czech Technical University …

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
My Coordinates
EDITORIAL
News
GNSS | GIS | INDUSTRY | IMAGING
CALENDAR
June 2025 …

The river Ganga and Yamuna are India’s lifelines,
Revered as divine and vital for millions.
Yet the paradox is, these sacred rivers rank among the world’s most polluted,
Suffocated by waste.
The Ganga alone carries untreated sewage from over 100 cities along its banks,
Worsened further by industrial …











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