Mr Albert J. Williams III was given the IEEE OES Distinguished Technical Achievement Award in 2000; a prestigious prize, as one of the earlier winners was Robert J. Urick. Mr...

Survey vessel Wega was recently deployed in the Weser estuary, where it performed a high-resolution survey of a 52 km2 area, in accordance with Order 1 of S44. The sea-bottom...

For attaining high-resolution echo-prints, echosounding equipment must fulfil certain requirements regarding directivity, pulse length and other properties possible to achieve using non-linear acoustics. One important problem in sediment acoustics is...

Commander Jenny Daetz is one of the commanding officers on Australia’s two ocean-going Leeuwin-class surveying ships, the largest surveying ships in the Royal Australian Navy. As commanding officer of HS-RED...

The use of swathe systems in a highly mobile, shallow-water environment poses significant problems for the hydrographic surveyor. Several physical factors encountered when gathering swathe data are introduced and described...

Over the past decade, acoustic current profiling instruments have proven to be a powerful tool in measuring currents in the ocean, obtaining direction and magnitude of currents in a vertical...

SPINAV is an ongoing Joint Industry Project that is moving cutting-edge autonomous inspection technology from proof-of-concept trials in the test tank (completed November 2004) to an offshore trial using an...

Question: What did you, your organisation or company do on World Hydrography Day (in case you forgot: the 21st of June) to promote hydrography outside the circle of the hydrographic...

Foreword by Steve Ritchie Until 1959 the two triangulation networks on either side of the Persian Gulf had never been connected, so that ships’ navigators, when changing their fixes from...

A breakthrough in signal conditioning has lead to significant improvements in single-beam and swath classification. With modern computers, this allows cost-effective bottom classification across multiple sonar platforms. The common dataset...