DQRID : D021205.1
Start DateStart TimeEnd DateEnd Time
09/22/2002002911/21/20021935
more
Subject:
NSA/BMET/C2 - NSA/METTIPTOWER/C2 - C2 MET DATA MISSING
DataStreams:nsamettiptwrC2.b1, nsamettiptwrC2.a1
Description:
Due to unknown wiring differences and pin changes by Vaisala to their Wind Speed and 
Direction sensors, a power feedback into the QLI data collector occurred.  This caused an 
overload which shut the QLI data collector down.  Once trouble shooting pinpointed the power 
feedback, wiring diagrams were created and the differences were found.  Wiring was 
changed to prevent and remove the power feedback.
Suggestions: 
Measurements:nsamettiptwrC2.a1:
  • Minimum Vapor Pressure(vap_pres_min)
  • Minimum Wind Direction(wind_dir_min)
  • Wind speed vector average(wind_spd_vec_avg)
  • Std Dev of Relative Humidity or Hardware Error Code(relh_sd)
  • Maximum Air Temperature Difference(temp_max_diff)
  • Maximum Wind Speed(wind_spd_max)
  • Std Dev of Air Temperature(temp_sd)
  • Maximum Wind Direction(wind_dir_max)
  • Wind direction vector average(wind_dir_vec_avg)
  • Minimum Wind Speed(wind_spd_min)
  • Air Temperature out of range error(temp_out_of_range_error)
  • Std Dev of Dew Point Temperature(dew_pt_temp_sd)
  • Relative humidity out of range error(relh_out_of_range_error)
  • Std Dev of Wind Speed(wind_spd_sd)
  • Number of timeouts reading the met tower data by height(read_timeout_count)
  • Internal Temperature out of range error(internal_temp_out_of_range_error)
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • Wind direction standard deviation(wind_dir_sd)
  • Mean Air Temperature Difference(temp_mean_diff)
  • Temperature mean(temp_mean)
  • Mean Vapor Pressure(vap_pres_mean)
  • Mean Wind Speed(wind_spd_mean)
  • mifkbum temp between outputs(temp_min)
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • Relative humidity mean(relh_mean)
  • Dew point temperature out of range error(dew_pt_temp_out_of_range_error)
  • Std Dev of Air Temperature Difference(temp_sd_diff)
  • Temperature maximum(temp_max)
  • Wind Speed out of range error(wind_spd_out_of_range_error)
  • Dew Point Temperature Hardware Error(dew_pt_hardware_error)
  • Wind Direction out of range error(wind_dir_out_of_range_error)
  • Maximum Vapor Pressure(vap_pres_max)
  • Air Temperature Hardware Error(temp_hardware_error)
  • Internal Voltage out of range error(internal_voltage_out_of_range)
  • Relative humidity maximum(relh_max)
  • Vapor Pressure out of range error(vap_pres_out_of_range_error)
  • Std Dev of Vapor Pressure(vap_pres_sd)
  • Maximum Dew Point Temperature(dew_pt_temp_max)
  • Relative humidity minimum(relh_min)
  • Minimum Air Temperature Difference(temp_min_diff)
more
nsamettiptwrC2.b1:
  • Mean Air Temperature Difference(temp_mean_diff)
  • Minimum Air Temperature Difference(temp_min_diff)
  • Maximum Vapor Pressure(vap_pres_max)
  • Air Temperature Hardware Error(temp_hardware_error)
  • Temperature mean(temp_mean)
  • Mean Vapor Pressure(vap_pres_mean)
  • Mean Wind Speed(wind_spd_mean)
  • Dew point temperature out of range error(dew_pt_temp_out_of_range_error)
  • Minimum Wind Direction(wind_dir_min)
  • Air Temperature out of range error(temp_out_of_range_error)
  • Wind speed vector average(wind_spd_vec_avg)
  • Std Dev of Wind Speed(wind_spd_sd)
  • Maximum Dew Point Temperature(dew_pt_temp_max)
  • Relative humidity out of range error(relh_out_of_range_error)
  • Std Dev of Air Temperature Difference(temp_sd_diff)
  • Mean Dew Point Temperature(dew_pt_temp_mean)
  • Number of timeouts reading the met tower data by height(read_timeout_count)
  • Maximum Wind Direction(wind_dir_max)
  • Vapor Pressure out of range error(vap_pres_out_of_range_error)
  • Dew Point Temperature Hardware Error(dew_pt_hardware_error)
  • Wind direction standard deviation(wind_dir_sd)
  • Relative humidity maximum(relh_max)
  • Std Dev of Relative Humidity or Hardware Error Code(relh_sd)
  • Wind Speed out of range error(wind_spd_out_of_range_error)
  • Minimum Dew Point Temperature(dew_pt_temp_min)
  • Wind direction vector average(wind_dir_vec_avg)
  • Wind Direction out of range error(wind_dir_out_of_range_error)
  • Relative humidity minimum(relh_min)
  • Internal Temperature out of range error(internal_temp_out_of_range_error)
  • Std Dev of Dew Point Temperature(dew_pt_temp_sd)
  • Relative humidity mean(relh_mean)
  • Std Dev of Vapor Pressure(vap_pres_sd)
  • Maximum Wind Speed(wind_spd_max)
  • Minimum Vapor Pressure(vap_pres_min)
  • Std Dev of Air Temperature(temp_sd)
  • mifkbum temp between outputs(temp_min)
  • Minimum Wind Speed(wind_spd_min)
  • Internal Voltage out of range error(internal_voltage_out_of_range)
  • Temperature maximum(temp_max)
  • Maximum Air Temperature Difference(temp_max_diff)
more

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