Volume 22, Issue 1, January 2026
 

GNSS Constellation Specific Monthly Analysis Summary: December 2025

Narayan Dhittal

Is it possible to generate accurate 3D point clouds with UAS-LIDAR and UAS-RGB photogrammetry without GCPs?

Álvaro Gómez-Gutiérrez, Manuel Sánchez-Fernández, José Juan de Sanjosé-Blasco, Napoleón Gudino-Elizondo and Francisco Lavado-Contador
My Coordinates
EDITORIAL
His Coordinates
Dr. Mukund Kadursrinivas Rao
News
GIS | GNSS | IMAGING & UAV | INDUSTRY
CALENDAR
February 2026 - June 2026
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SBG System

Volume 21, Issue 12, December 2025
 
 

GNSS Constellation Specific Monthly Analysis Summary: November 2025

Narayan Dhital

Pushing the planning boundaries: A Case of forensic surveying

Mike Stapleton

Exploring UAS-lidar as a sampling tool for satellite-based AGB estimations in the Miombo woodland of Zambia

Hastings Shamaoma, Paxie W. Chirwa, Jules C. Zekeng, Able Ramoelo, Andrew T. Hudak, Ferdinand Handavu and Stephen Syampungani


Oct 2025 | No Comment

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 GNSS related activities. He has regularly supported and contributed to different workshops of the International Committee on …

Oct 2025 | No Comment

The Central and State governments have committed the policy of Jahan Jhuggi-Wahan Makaan, that is In-Situ Slum Resettlement in Delhi, replicating the Dharavi Model of Mumbai. While the policy is already mandated in the Delhi Master Plan, its implementation involves putting in place people centric, evolutionary and support-based tools that are more longitudinal and avoid …

Sep 2025 | No Comment

NextNav and Oscilloquartz, a division of Adtran, have partnered to demonstrate how 5G-powered terrestrial positioning, navigation, and timing (PNT) technology combined with Oscilloquartz’s established synchronization systems can serve as a scalable complement and backup to GPS. The initiative aims to maintain the operation of critical infrastructure, such as data centers, utilities, and emergency services, during GPS …

Sep 2025 | No Comment

Topcon Agriculture has released its new Value Line Steering solution for farmers using mid-range tractors on small- to medium-sized farms. The new offering represents a significant step in making autosteering technology, typically used on larger machinery, accessible to a broader range of farmers. 

The Value Line Steering solution is a comprehensive package that includes a GNSS receiver, electric steering …

Sep 2025 | No Comment

 
Advanced Navigation has successfully demonstrated a breakthrough in underground navigation, delivering high-precision positioning without reliance on fixed infrastructure or GNSS, in Europe’s deepest underground mine in Pyhäjärvi, Finland.
The Hybrid Navigation System, combining a Laser Velocity Sensor (LVS) with the Boreas D90 fiber-optic gyroscope (FOG) Inertial Navigation System (INS), achieved consistent sub-0.1% navigation error across multiple …