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...

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...

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...

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...

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...