DQRID : D010709.15
Start DateStart TimeEnd DateEnd Time
10/25/1996000003/02/19992359
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Subject:
TWP/SMET/C1 - Wind speed calibration errors
DataStreams:twpsmet60sC1.a1, twpsmet60sC1.b1
Description:
Wind speed calibration factors were reversed between wind speed sensors 1 (upper) and 2 
(lower). Results in less than 1% error, but correction factors may be used.

To correct wind speed #1 (upper) add 0.03 m/s.
To correct wind speed #2 (lower) subtract 0.03 m/s.
Suggestions: 
Measurements:twpsmet60sC1.b1:
  • Lower sensor, wind speed maximum(lo_spd_max)
  • Lower sensor, wind speed vector average(lo_spd_vec_avg)
  • Upper sensor, wind speed maximum(up_spd_max)
  • Lower sensor, wind speed minimum(lo_spd_min)
  • Upper sensor, wind speed arithmetic average(up_spd_arith_avg)
  • Upper sensor, wind speed standard deviation(up_spd_sd)
  • Lower sensor, wind speed standard deviation(lo_spd_sd)
  • Upper sensor, wind speed vector average(up_spd_vec_avg)
  • Lower sensor, wind speed arithmetic average(lo_spd_arith_avg)
  • Upper sensor, wind speed minimum(up_spd_min)
more
twpsmet60sC1.a1:
  • Wind #2 speed vector average(wind2_spd_vec_avg)
  • Wind #2 speed standard deviation(wind2_spd_sd)
  • Wind #2 speed minimum(wind2_spd_min)
  • Wind #2 speed arithmetic average(wind2_spd_arith_avg)
  • Wind #1 speed arithmetic average(wind1_spd_arith_avg)
  • Wind #1 speed standard deviation(wind1_spd_sd)
  • Wind #1 speed maximum(wind1_spd_max)
  • Wind #1 speed vector average(wind1_spd_vec_avg)
  • Wind #2 speed maximum(wind2_spd_max)
  • Wind #1 speed maximum gust(wind1_spd_max_gust)
  • Wind #2 speed maximum gust(wind2_spd_max_gust)
  • Wind #1 speed minimum(wind1_spd_min)
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