Since its introduction many years ago, survey sonar has evolved steadily, but is still a difficult and non-intuitive survey tool, requiring large amounts of processing to arrive at the most...

Early Hydrography Recognised   Willem Janszoon Monument Unveiled in Canberra The last project commemorating the 400th anniversary of Australia first being charted took place recently in the leafy suburb of...

From 4 to 6 June, OI Americas 2003 was held at the Louisiana Ernst N. Morial Convention centre in New Orleans: three days featuring marine science, technology, operational oceanography, policy...

Sixty-seven years after being torpedoed by a German U-boat in January 1942, the final resting place of the Treasury Class US Coast Guard Cutter Alexander Hamilton WPG-34 was finally identified...

With increasing accuracies of positioning and multi-beam systems, alignment of the motion reference unit (MRU) is becoming increasingly important. Although most (if not all) multi-beam surveyors use the patch-test to...

An order has recently been placed by NCS Survey for two Gavia AUVs with a capital expenditure of GBP1.5m - one 500m-rated system and one 1,000m rated system. These systems...

When Andrews considered a new coastal hydrographic vessel, a smaller RIB best suited their customers’ survey needs, but would it meet the strict requirements for MCA Accreditation? Roy Jarman, Andrews...

The 12th annual Seawork International exhibition and conference was up all round: 479 exhibitors - 10% up on last year; 7049 visitors - 8% up on last year and 789...

The United Kingdom Hydrographic Office (UKHO) Admiralty Leisure has launched the latest in its series of ever-popular Tough Charts in the form of a brand new Tough Chart for Plymouth...

Polarcus is building two seismic vessels of the new generation type SX134 at the Ulstein Verft shipyard, to be delivered in 2012. ULSTEIN has designed and built a number of...