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Louvan E. Wood

Abstract

The history of automatic weather stations is mentioned and the Navy-type station described. This station operates unattended for extended periods of time and broadcasts measurements of atmospheric pressure, temperature, relative humidity, wind direction, wind speed, and rainfall according to a predetermined schedule. It is designed for operation in remote regions where maintenance of manned stations is impracticable.

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Louvan E. Wood

SUMMARY

This paper describes a new light weight anemometer and wind vane, together with associated equipment. The characteristics of pitot static, bridled, cup wheel, and propeller anemometers are discussed and reasons given for using a propeller in the new equipment. This propeller anemometer is characterized by accuracy, linearity, and generally excellent performance as determined by wind tunnel and other tests. The anemometer is adaptable to wind speed measurement by means of magneto and voltmeter, disc and roller tachometer mechanism, contacts or electronic devices. While primarily designed for fixed station and marine use, the equipment is suitable where portability is required.

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