Total Propagated Error (TPE) and Combined Uncertainty Bathymetric Estimator (CUBE) help automate data cleaning and filtering. This paper discusses the effect of using altitude in place of heave for survey...

From the 2007 ION GNSS Conference, Hemisphere GPS announced the Eclipse dual-frequency GPS receiver technology. Based on Hemisphere GPS' Crescent L1 GPS technology that incorporates techniques for reducing code measurement...

East Australia Region Commander (CMDR) John Maschke of the Royal Australian Navy (RAN) and chair of the East Australia Region of the Australasian Hydrographic Society was recently elected to the...

Trimble has launched Trimble VRS Now Service in Ireland. The service provides surveyors, civil engineers and geospatial professionals with instant access to real-time kinematic (RTK) Global Positioning System (GPS) corrections...

Articles selected for this issue give a taste of the present day ‘surveyor’s world’ (this issue’s theme) - a world which is evolving. One of the co-authors of “Refloating the...

On Friday 8 June 2007, the bulk carrierPasha Bulkerran aground in heavy storm conditions on one of Newcastle’s most famous surfing beaches, Nobbys, near the entrance to Newcastle Harbour in...

This article describes the installation of a hardware and software system for bathymetric surveys in the maritime part of the Congo River. The ‘Regie des Voies Maritimes’ (RVM) is a...

Hemisphere GPS (Canada) has been awarded two new patents for innovative technology.The Method and System for Synchronizing Multiple Tracking Devices for a Geo-Location System patent (U.S. Patent No. 7,292,186) enables...

Some twenty years ago I was involved in a re-survey of Doubtful Sound, in the isolated Fiordland area of New Zealand. The existing chart dated from 1851 but was adequate...

Although not fitting into the traditional biennial series of well-known HYDRO Conferences and Exhibitions, the year 2003 will nevertheless see a 'Hydro 2003' Hydrographic Conference and Exhibition. This time it...