In December 2021, the Chagos Remote Ocean Voyager Expedition (C-Rove) discovered a shipwreck off the west coast of Eagle Island. Bridget Buxton, Associate Professor of Ancient History and Mediterranean Archaeology at the University of Rhode Island, shared this article about the expedition and the role Marine Magnetic’s Explorer played in the discovery. Article summary The […]

Get To The Point Faster. Gradient Data SeaQuest measures the gradients in all three directions simultaneously, and computes the total gradient, which is invariant of heading and orientation. No matter how your heading changes, no information is lost. Horizontal gradiometers, on the other hand, can only measure the gradient in one axis (direction). This means […]

Argos in the Field: Anchor Discovered in 2019 Above: Dr. Christopher Horrell & Dr. Frederick Hanselmann use Argos to search for artifacts from the lost fleet of Hernan Cortes in Mexico. Photo credit: Jonathan Kingston. Download additional footage.

By Jim Kirk, business development manager, OceanServer Technology, Inc., Massachusetts, USA Today’s AUVs provide a common-sense approach to the global issue of detecting and monitoring underwater unexploded ordnance Unexploded ordnance (UXO), improperly deployed (or dumped) in the world’s oceans and lakes for the past 70-plus years, are becoming a critical concern for the safety of […]

The conditions were completely unsuitable for boattowed survey, but the Iver2 had no problem. AUVs are powerful platforms for marine survey, wielding an arsenal of sensors and giving the ability to get closer to investigated targets reliably, consistently and inexpensively. Magnetometers have always been a particular challenge to mount on AUVs because of their strong […]