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Wind Speed and Direction
 
Instrument Type: RM Young 05103 Wind Monitor
Description: 4-blade helicoid propeller and wind vane
Location: 10 m tower atop Laboratory South Wing (total height 20 m)
Latitude 38° 19' 03.35" N
Longitude 123° 04' 17.20" W
Installed: 1 May 2001
Specifications - Wind Speed
Range: 0 to 134 mph (0 to 60 m/s)
Accuracy: 0.6 mph ( 0.3 m/s)
Propeller Distance Constant: 2.7 m (8.9 ft)
Starting Threshold: 2.2 mph (1 m/s)
Specifications - Wind Direction
Range: 0 to 355 degrees
Accuracy: 3 degrees
Dead Band: 5 degree (355 to 360 degrees)
Delay Distance: 1.3 m (4.3 ft)
Starting Threshold: 2.4 mph (1.1 m/s)
Acquisition Settings-
3 second running average
Mean value logged every 1 second
Sensor Calibration and Quality Assurance Procedures
Real time atmospheric sensor data
Historical atmospheric sensor data query
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