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    Author(s): William B. Fowler
    Date: 1969
    Source: Res. Note PNW-RN-098. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 4 p
    Publication Series: Research Note (RN)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (340 KB)

    Description

    A simple device for indicating maximum windspeed during a time interval is described. Use of a unijunction transistor, for voltage sensing, results in a stable comparison circuit and also reduces overall component requirements. Measurement is presented digitally in 1-mile-per-hour increments over the range of 0-51 m.p.h.

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    Citation

    Fowler, William B. 1969. A digital indicator for maximum windspeeds. Res. Note PNW-RN-098. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 4 p

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