http://www.glidetek.com/accessories/windspeedcomputer.asp
The Windtronic reads in mph, knots, km/hr or meters/sec, and provides a readout of instantaneous speed, peak speed recorded, and average speed of the period that it is turned on. On a slope soaring trip to South Dakota in September, I recorded average speeds over several minutes in the 55 to 65 mph range at various times on the lip of the slope, and gusts of over 80 mph. (Sideways to the wind, feet spread. knees bent . . . .still get blown away in the gusts) The specs say it reads to 93 mph, so I doubt that you will run out of operating range.
-Ben
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