Teledyne Optech and Teledyne CARIS have announced their next generation bathymetric lidar, the CZMIL SuperNova.

The CZMIL SuperNova boasts the best depth performance and the highest green laser point density in its class. Introducing SmartSpacing technology for even and efficient point spacing, real-time processing capability for reduced post-processing time and configurable modes for maximizing performance in …

From times immemorial, the cities, agriculture and culture evolved along the rivers. Among various Delhi’s, Shahjahanabad (17th Century), was built along the river Yamuna, a 1370 km long river emanating from the Himalayas and merging into the River Ganga at Prayag. However, with indiscriminate urbanisation River Yamuna in Delhi…

The objective of this article is to share the knowledge of alternative way of geoid determination with incorporating a high resolution GGM, terrain and GPS/levelling data

Dr H M I Prasanna

Senior Lecturer, Faculty of Geomatics, Sabaragamuwa University of Sri Lanka, P.O. Box 02, Belihuloya, 70140, Sri Lanka

Development of GGMs
With the advent of new gravity dedicated satellite …

The paper describes a method for improving the coordinates of hydrological stations using the GNSS. Traditional methods of determining the coordinates of level posts are analyzed in this work. The requirements for the accuracy and installation of geodetic points of level posts are given. A scheme of the GNSS network of the coastal zone…

The Australian Height Datum (AHD) is Australia’s first and only legal vertical datum, celebrating its 50th anniversary this year. The adjustment of the Australian National Levelling Network (ANLN) in May 1971 provided, for the first time, a nationwide network of physical AHD heights (Roelse et al., 1975).