What is the procedure for orienting a wind monitor (05103-L, 05103-45-L, 05305-L, or 05106-L) to the cardinal directions so that the wind direction readings are correct?

Orientation of the wind monitor is done after the datalogger has been programmed, and the location of True North has been determined. True North is usually found by reading a magnetic compass and applying the correction for magnetic declination, where magnetic declination is the number of degrees between True North and Magnetic North. Magnetic declination for a specific site can be obtained from a USFA map, local airport, or through a computer service.

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