Underwater wireless communications links have almost exclusively been implemented using acoustic systems. Optical links have proved impractical for many applications. Although underwater radio links were experimentally evaluated in the pioneering...

China has more than 900 lakes, some 5,800 rivers, of which five are very large, an 18,000km-long coastline and more than 6,000 islands in about 3.50 million square kilometres of...

HYDRO 2007 – “Focus on Asia' HYDRO 2007 was held in the Cairns Convention Centre, Cairns, Australia from 22 to 24 November 2007. Workshops started from 21st November on topics...

As the US Naval Observatory, which provides nearly half the global contribution to Coordinated Universal Time (UTC), shifts from a cesium to a rubidium standard atomic clock, we look to...

None of us can anymore imagine hydrographic work without satellite positioning. Improvements in performance since the first launch at the end of the70s have made it suitable for more and...

Development of a vertical surface separation model will allow easier assimilation of land and maritime data sources, resulting in seamless vertical data. The future possibilities of having data that can...

Applanix announced the release of Service Pack 1 for its POSPac 4.2 post-processing software. The service pack is aimed at airborne and land-based POS (Position and Orientation System) users operating...

The US Navy has a strong tradition in hydrography and has restated its commitment to this field by naming the Commander of the Naval Meteorology and Oceanography Command as the...

Applanix has introduced POSPac AIR Version 4.4 post-processing software, used to extend the accuracy potential of the POS AV system. Designed to maximise data quality and optimise workflow from project...

News HSB Workshop ‘Hydrography in Deep Water’, the theme of the HSB workshop on 12th December in Delft, attracted five interesting papers and an audience of eighty. The programme aimed...