Australia’s first state-wide airborne gravity model
Volker Janssen, Thomas Grinter and Maria Jansen
NSW Gravity Model is the Australia’s first state- wide gravity model produced from a single airborne gravity survey campaign. It has provided some background on airborne gravimetry, introduced the NSW Gravity Model, discussed its data collection and processing, and outlined the benefits this model will provide to the surveying profession and wider community, with gravity data made freely available to the public for the benefit of all..[more]

Landslide vulnerability mapping for Himachal Pradesh
Satish Kumar Negi and Shashi Shekhar
This paper uses an advanced geospatial approach on the GEE platform to create a detailed landslide vulnerability map. By combining and analysing multiple environmental and anthropogenic factors, the model produces a comprehensive vulnerability index.... [more]

GNSS Constellation Specific Monthly Analysis Summary: September 2025
Narayan Dhital
This article continues the monthly performance analysis of the GNSS constellation. Readers are encouraged to refer to previous issues for foundational discussions and earlier results. In addition, there is a short overview on the recent anomaly and degradation in the UTC time dissemination parameter from GNSS broadcast messages...... [more]