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    Sweep-synchronized positionable trigger and supplementary components

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    WHOI_64_28 (25.11Mb)
    Date
    1964-05
    Author
    Witzell, Warren E.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/25221
    DOI
    10.1575/1912/25221
    Keyword
    Recording instruments
    Abstract
    This report describes the Sweep-Synchronized Positionable Trigger, together with its functions and supplementary components, as designed and built for use with the Precision Graphic Recorder (PGR) at the Woods Hole Oceanographic Institution. The positionable trigger provides a means for plotting a variable on the PGR record as a function of time, for triggering equipment such as oscilloscopes at any time, for displaying ship's heading, and for supplying, semi-automatically, ocean depth to a ship- board computer.
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    Suggested Citation
    Witzell, W. E. (1964). Sweep-synchronized positionable trigger and supplementary components. Woods Hole Oceanographic Institution. https://doi.org/10.1575/1912/25221
     
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