Recent sio_mpltechmemo items

Cooperative Acoustic Monitoring of North Pacific Right Whales

Thu, 22 Jan 2026 00:00:00 +0000

Cooperative Acoustic Monitoring of North Pacific Right Whales

Acoustic Monitoring for Killer Whales in the Bering Sea

Thu, 22 Jan 2026 00:00:00 +0000

Acoustic Monitoring for Killer Whales in the Bering Sea

Observations of Sperm Whale Sounds from Great Depth

Thu, 22 Jan 2026 00:00:00 +0000

Observations of Sperm Whale Sounds from Great Depth

Site Surveys in the North Pacific and Bering Sea from ANTIPODE Expedition

Fri, 9 Apr 2021 00:00:00 +0000

ANTIPODE Legs II and III, from San Francisco to Adak and Adak to Tokyorespectively were conducted by the R/V MELVILLE between 6 July and 19 August1970. Deep Sea Drilling Project (DSDP) site surveys were conducted in conjunctionwith seismic refraction anisotropy surveys at most stations. This report willsummarize just the site surveys while the refraction data will be published elsewhere. The chief scientist for both legs was George G. Shor, Jr.

An Acoustic Data Acquisition System for Research on Pelagic Fish Schools

Fri, 10 Apr 2015 00:00:00 +0000

An Acoustic Data Acquisition System for Research on Pelagic Fish Schools

The scientific research support potential of the submersible MARITALIA 3GST9

Tue, 19 Mar 2013 00:00:00 +0000

Marine Physical Laboratory Technical Memorandum 420. Deep submergence facilities are now considered to be a vitalcomponent of the U. S. Navy fleet and the National OceanographicLaboratory System facilities inventory. Scientific use of mannedsubmersible systems is now routinely applied to a broad range ofscientific disciplines. Advancements in deep submergencetechnologies continue to require evaluation and assessment for theirscientific support potential. This study report assesses the scientificsupport potential of a specific new diver lockout submersible, theMARITALIA (3GST9), that may be added to the U.S. Navy deepsubmergence facilities inventory.

Complete Solution Of The Bearings Only Approach Problem

Mon, 14 Apr 2008 00:00:00 +0000

In using the data available during the conduct of a bearings only approach two rather different procedures are usually followed.

One is to attempt the complete solution for range, course and speed by taking usually six bearings while maneuvering the submersible in a rather specialized way. The other methods involve the use usually of three bearings and an assumed range or speed to calculate the course and the speed or range (whichever was not assumed).

The purpose of this paper is to show that using four bearings it is first actually possible to solve the problem completely (range, course and speed solution) in a very general way, and second to give in detail several simple, direct methods for making such a solution without restricting the motion of the submersible.