Why has a new positioning system been designed? What are the requirements? What are the drawbacks of traditional solutions? Why are a new concept and system architecture necessary? What applications...

Long baseline (LBL) positioning has many applications both commercially and in research, from surveying a ship hull to positioning offshore platforms in deeper waters. The technique consistently provides accuracies in...

Synthetic aperture sonar (SAS) has been under active development for decades. The technique is particularly well suited for autonomous underwater vehicles, and it is expected that SAS will replace traditional...

On 12 August 2002 IXSEA and OCEANO Technologies successfully completed their merger previously announced in March 2002, revolutionising the landscape of the positioning industry. With 100 staff and over 25...

The Australian Navy is the latest military unit to purchase JW Fishers Proton 4 magnetometers. The Aussies join a long list of military clients using Fishers underwater search equipment including...

Sonardyne International has launched a new marine Attitude Heading and Reference System (AHRS): Lodestar. Lodestar has been developed to overcome the problems associated with conventional sensor platforms. The Lodestar AHRS...

Early in the first quarter of 2007, Noordhoek Survey took delivery of two MacArtney Focus-2 Remotely Operated Towed Vehicles (ROTVs). The expectation was that the new ROTVs would be a...

With 13 years of acoustic inspections behind them (the last nine utilising the Focus 400 ROTV), Svitzer has, arguably, become a leader in ROTV pipeline inspections. With a highly skilled...

Consider the levels of sound in the sea that are encountered when on a side-scan survey job. The background sea noise comes from the temperature of the water around the...

LinkQuest's TrackLink USBL tracking systems have been extensively used in the offshore oil and gas industry for positioning of ROVs, divers, towfish and undersea structures. Recently, LinkQuest has delivered the...