Volume 21, Issue 10, October 2025

Australia’s first state-wide airborne gravity model

Volker Janssen, Thomas Grinter and Maria Jansen

Landslide vulnerability mapping for Himachal Pradesh

Satish Kumar Negi and Shashi Shekhar

GNSS Constellation Specific Monthly Analysis Summary: September 2025

Narayan Dhittal
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November 2025 - May 2026
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Volume 21, Issue 9, September 2025
 
 

Jahan Jhuggi Wahan- Makaan: In-situ Slum Rehabilitation

A K Jain

GNSS Constellation Specific Monthly Analysis Summary: August 2025

Narayan Dhittal

Empirical orthogonal function based modelling of ionosphere using Turkish GNSS network

Kutubuddin Ansari, Janusz Walo, Selcuk Sagir and Kinga Wezka


Nov 2025 | No Comment

Japan model inspires India’s spatial policy for urban planning
The new National Spatial Policy envisions 20-year urban blueprints, regional planning blocks, and transit-led growth to curb haphazard expansion and boost liveability across Indian cities. The three tiers will have proper policy frameworks. Taking a leaf out …

Nov 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 …

Nov 2025 | No Comment

We present a detailed landslide vulnerability map developed on the Google Earth Engine (GEE) platform using a Weighted Overlay Model.

Dr. Satish Kumar Negi

Associate Professor, Department of Geography, Govt. Degree College Dharampur, Solan, Himachal Pradesh, India

Shashi Shekha

Scientific Officer, H.P. State Pollution Control Board, Shimla, Himachal Pradesh, India

Abstract
This study addresses the escalating threat of landslides in Himachal …

Nov 2025 | No Comment

This paper presents some background on airborne gravimetry, introduces the NSW Gravity Model and outlines the benefits it will provide to the surveying profession and wider community.

Dr Volker Janssen

Geodetic Surveyor in the Geodesy & State Adjustment team at DCS Spatial Services, NSW Department of Customer Service, in Bathurst, Australia.

Thomas Grinter

Surveyor-General and Director of Survey at …

Oct 2025 | No Comment

 Institute of Navigation awarded Dr. Jason Anderson its Bradford W. Parkinson Award on September 12, 2025, during the ION GNSS+ 2025 conference in Baltimore, Maryland, for his thesis: Designing Cryptography Systems for GNSS Data and Ranging Authentication.
Jason Anderson received his PhD from Stanford University where his research in the Stanford GPS Lab pertained to constructing …