Tag Archives: AUV

Study Examines how Dumped Munitions Move Underwater

University of Delaware researchers are studying how unexploded ordnance and munitions that were dumped in the oceans move underwater in order to better locate them for removal. They are using AUVs, sensors and positioning systems to study how fabricated surrogate munitions that they planted at a test site in Delaware Bay move over time depending on sediment, currents and storms.

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OceanScan-MST Uses iXblue Phins for Lightweight AUVs

iXblue’s Phins Compact Series has been selected by OceanScan-MST, the Portugal-based manufacturer of the lightweight, cost-effective AUV (LAUV), to equip three new vehicles. To respond to end-user demand for a higher position accuracy with a small size factor and lower cost, OceanScan-MST opted for the Phins C3. Built on iXblue’s fiber-optic gyroscope (FOG) technology, the Phins compact series is a

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Paul Allen’s RV Petrel Finds USS Hornet Wreckage

One of the most important aircraft carriers in WWII history has been located by the crew of Paul Allen’s RV Petrel. The discovery of the USS Hornet was made during Petrel’s first mission of 2019. The USS Hornet played a pivotal role in some of the most important moments in WWII naval history, including the Doolittle Raid and the Battle of Midway. From the deck of the Hornet,

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Optical Dissolved Oxygen Logger Allows Long-Term Deployment

RBR released the RBRduet³ T.ODO optical dissolved oxygen logger for applications down to 6,000 m. The optical oxygen sensor provides high stability for very long deployments where accurate dissolved oxygen concentration and saturation measurements are critical. Its marine thermistor provides a high accuracy temperature measurement. The fast version of the RBRduet³ has a 1 s time constant for dissolved oxygen

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Two-Way Broadcast is Live On Board Atlantis in the East Pacific Ocean

Scientists and engineers on a deep-sea expedition aboard the research vessel Atlantis in the East Pacific Ocean will be broadcasting live from 2:30 to 3:30 p.m. EST on Tuesday, Dec. 11, Wednesday, Dec. 12 and Thursday, Dec. 13. The expedition’s scientists and engineers will talk about their research, including their use of submersibles, and answer questions from the audience. The

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Missing Argentine Submarine Found

The Argentine submarine, ARA San Juan, which went missing last year with 44 crew members on board, has been found 900 meters deep in the water off the coast of Chubut Province, Argentina. The deep water search was performed by Ocean Infinity and its fleet of 6,000-m-rated AUVs equipped with EdgeTech 2205 side scan sonars.  EdgeTech’s tri-frequency side scan sonar-frequency

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