This document discusses wind directions and measurements. To accurately measure wind directions over time, equipment is needed that can collect data continuously at a certain height. An automatic system that collects data in one hour intervals from various points is very useful for this purpose.

1. WIND DIRECTIONS - 16
N
W
SIN
/ SSN
SE.
tody temnn before stav-tir^, the measurement
eqsu/ei^ents a^e needed, cct (Om height
Ihce dbta a/e needed. &3*<tihuously,
automatic system is veoytiiVei w
one houm collection tfc>p v/avibus jxtfw*te*