Ambient Equilibration Cabin temperature: 25C Sensor type: RS41 Ambient pressure: 155mb Ambient temperature: -65C Ambient RH: 50% Temperature equilibration accuracy: 0.1C RH equilibration accuracy: 5.0% Temperature equilibration at time: 8.2s, RS41 T sensor time constants: 6.8 RH equilibration at time: 66.8s, RS41 RH sensor time constants: 1.9 Pressure: same equilibration time used as for temperature Wind equilibration: 10.0s Description D20210818_212946_P.4 203840012 Hurr Grace, 20210818N1 Gulfstream G-IV SP, N49RF Data type: AVAPS SOUNDING DATA, Channel 4 Sonde model: RSS421 Thermo sensor: RSS421 Fast Fall Test Number of points with excessive fall rate: 0 Percentage of points with excessive fall rate: 0 Sounding diagnosed as a fast fall: No File Processing Data type: AVAPS SOUNDING DATA, Channel 4 Sonde model: RSS421 Thermo sensor: RSS421 Processing Steps QC processing completed (in 1.0s) Levels created (in less than 1.0s) WMO message coded (in less than 1.0s) QC Data Recovery Statistics 1903 raw data records 49 ( 2.6%) raw data records had PTU checksum errors 144 ( 7.6%) raw data records had GPS checksum errors 14 ( 0.7%) raw data records had both PTU and GPS checksum errors pres : input file reported 925 ( 48.6%) values, QC retained 860 ( 93.0%), overall rate: 45.2% tdry : input file reported 923 ( 48.5%) values, QC retained 859 ( 93.1%), overall rate: 45.1% RH : input file reported 910 ( 47.8%) values, QC retained 742 ( 81.5%), overall rate: 39.0% winds: input file reported 1808 ( 95.0%) values, QC retained 1719 ( 95.1%), overall rate: 90.3% QC Height Integration Downward integration starts @ 14094.1m QC for GPS Altitude Points which failed the limit check: 0 Points which failed the number of satellites check: 2 Points which failed the buddy check: 0 Points which failed the Q/C filter check: 0 QC for GPS Position Points which failed the latitude limit check: 0 Points which failed the longitude limit check: 0 Points which failed the number of satellites check: 5 Points which failed the latitude buddy check: 0 Points which failed the longitude buddy check: 0 Points which failed the latitude Q/C filter check: 0 Points which failed the longitude Q/C filter check: 0 QC for Pressure Points which failed the limit check: 0 Points which failed the buddy check: 0 Points which failed the outlier check: 0 Points which failed the Q/C filter check: 0 QC for Relative Humidity Points which failed the limit check: 0 Points which failed the buddy check: 0 Points which failed the outlier check: 0 Points which failed the Q/C filter check: 0 Points which failed the lower limit check: 0 Points which failed the upper limit check: 5 Points which failed the lower limit check: 0 Points which failed the upper limit check: 0 QC for Temperature Points which failed the limit check: 0 Points which failed the buddy check: 0 Points which failed the outlier check: 0 Points which failed the Q/C filter check: 0 QC for VV Pressure Points which failed the limit check: 0 Points which failed the buddy check: 0 Points which failed the outlier check: 0 Points which failed the Q/C filter check: 0 QC for Winds Points which failed the wind speed limit check: 0 Points which failed the wind direction limit check: 0 Points which failed the number of satellites check: 0 Points which failed the wind error check: 0 Points which failed the buddy check: 0 Outlier check disabled Q/C filter check disabled Points which failed the vertical velocity check: 0 Surface Wind Determination PTU/wind offset is 0.00s (PTU observations lead wind observations by 0.00s)