A Precision Deep-Sea Time Release

A family of oceanographic instrument systems that descend freely to the ocean floor later to return to the surface are now in use. Vital to the free vehicle instrument system is a reliable and accurate programmable anchor release device. A release device capable of being easily programmed in one hou...

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Bibliographic Details
Main Authors: Sessions, Meredith H, Marshall, Phillip M
Format: Report
Language:English
Subjects:
ACCURACY
CORROSION
DEEP WATER
LOADS(FORCES)
OCEAN BOTTOM
OCEANOGRAPHIC EQUIPMENT
Physical and Dynamic Oceanography
RELEASE MECHANISMS
SEA WATER
TIMING DEVICES
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Description
Summary:A family of oceanographic instrument systems that descend freely to the ocean floor later to return to the surface are now in use. Vital to the free vehicle instrument system is a reliable and accurate programmable anchor release device. A release device capable of being easily programmed in one hour increments to a total of 1000 hours is described including results of test and field evaluation.