Ambient Equilibration Cabin temperature: 25C Sensor type: RS41 Ambient pressure: 163mb Ambient temperature: -65C Ambient RH: 95% Temperature equilibration accuracy: 0.1C RH equilibration accuracy: 5.0% Temperature equilibration at time: 8.1s, RS41 T sensor time constants: 6.8 RH equilibration at time: 67.3s, RS41 RH sensor time constants: 1.9 Pressure: same equilibration time used as for temperature Wind equilibration: 10.0s Description D20210827_080748_P.4 205050103 TS Ida, 20210827N1 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 less than 1.0s) Levels created (in 1.0s) WMO message coded (in less than 1.0s) QC Data Recovery Statistics 3957 raw data records 52 ( 1.3%) raw data records had PTU checksum errors 166 ( 4.2%) raw data records had GPS checksum errors 12 ( 0.3%) raw data records had both PTU and GPS checksum errors pres : input file reported 1943 ( 49.1%) values, QC retained 1877 ( 96.6%), overall rate: 47.4% tdry : input file reported 1943 ( 49.1%) values, QC retained 1876 ( 96.6%), overall rate: 47.4% RH : input file reported 1935 ( 48.9%) values, QC retained 1755 ( 90.7%), overall rate: 44.4% winds: input file reported 3850 ( 97.3%) values, QC retained 3750 ( 97.4%), overall rate: 94.8% QC Height Integration Upward integration starts @ 0.0m Downward integration starts @ 13782.9m QC for GPS Altitude Points which failed the limit check: 0 Points which failed the number of satellites check: 1 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: 1 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: 3 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: 0 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: 1 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 Observation Splash time (time of the last usable frame): 988.75s Extrapolated surface time: 989.29s Fall distance from last frame: 5.1m Extrapolated surface pressure: 1011.9mb Extrapolated surface temperature: 28.5C Extrapolated surface rh: 75.1% Surface Wind Determination Surface wind coded for an adjusted altitude of 10.0m PTU/wind offset is 0.00s (PTU observations lead wind observations by 0.00s)