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  • 1
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    WHOI SDSL data-link project—ethernet telemetry through sea cables (2017)
    American Meteorological Society
    Details
    Publication Date: 2022-05-25
    Description: Author Posting. © American Meteorological Society, 2017. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Journal of Atmospheric and Oceanic Technology 34 (2017): 269-275, doi:10.1175/JTECH-D-11-00196.1.
    Description: A data telemetry technique for communicating over standard oceanographic sea cables that achieves a nearly 100-fold increase in bandwidth as compared to traditional systems has been recently developed and successfully used at sea on board two Research Vessel (R/V) Atlantis cruises with an 8.5-km, 0.322-in.-diameter three-conductor sea cable. The system uses commercially available modules to provide Ethernet connectivity through existing sea cables, linking serial and video underwater instrumentation to the shipboard user. The new method applies Synchronous Digital Subscriber Line (SDSL) communications technology to undersea applications, greatly increasing the opportunities to use scientific instrumentation from existing ships and sea cables at minimal cost and without modification.
    Description: This development program has been supported, in part, through research grants from the National Science Foundation (OCE 0447395), the National Aeronautics and Space Administration’s ASTEP program (NNX09AB76G), and a WHOI Green and Hiam Innovative Technology Award.
    Description: 2017-07-23
    Keywords: Instrumentation/sensors
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 2
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    A digital tape format for Woods Hole Oceanographic Institution CTD data (2018)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-26
    Description: A new digital data tape format has been developed to be used for data from the WHOI/Brown CTD microprofiler. CTD-78 Version 1 as detailed in this report is designed as a flexible and expandable internal data format adapted to the Hewlett-Packard 2100/21MX series 16-bit mini-computers currently used to transcribe and process CTD data at sea. The ten record types presently used in this multifile tape format store CTD and associated water sample data and the labeling information needed to convert the data to physical units. Record types are identified by unique keywords .
    Description: Prepared for the Office of Naval Research under Contract N00014-76-C-0197; NR 083-400.
    Keywords: Information retrieval ; Magnetic tapes
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 3
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    CTD observations in the western Mediterranean Sea during cruise 118, leg 2 of R/V Chain, February, 1975 (2018)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-26
    Description: Eighty-two CTD stations were taken in the Mediterranean Sea during February, 1975 . These stations were concentrated in the Alboran Sea near Gibraltar to investigate whether water typical of the deep western Mediterranean was flowing directly up and over the sill at Gibraltar. Temperature, salinity, and potential temperature at standard pressures are presented for each of the stations.
    Description: Prepared for the National Science Foundation under Grants OCE76-10940 and OCE74-19782 A03 and for the National Oceanographic Data Center under the National Oceanic and Atmospheric Administration Purchase Order 6-19641 to the Woods Hole Oceanographic Institution.
    Keywords: Oceanography ; Chain (Ship : 1958-) Cruise CH118
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 4
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    WHOI processed CTD data organization (2017)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-26
    Description: A data storage format has been developed to be used for processed C.T.D. data on the Woods Hole Oceanographic Institution's Digital Equipment Corporation VAX 11 780 computer. CTDVAX as defined in this report is designed as a flexible internal data format. Station data is organized by ship-cruise-project using a VAX-supplied subdirectory system on disk. This report describes the data organization, file structures, and record formats. File naming conventions, data protection and documentation schemes are explained. Outlines are given of the data processing system in use and of the CTD data accessing utilities available on the VAX.
    Description: Prepared for the Office of Naval Research under Contract N00014-?4-C-0262; NR 083-004 and for the National Science Foundation under Grant OCE ?8-06886.
    Keywords: Information storage and retrieval systems
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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