Each of the data files described below are primary
ASCII data files in the
"NASA" format. Secondary
data files are generated from these primary data files by merging
primary data files to construct files for different projects that contain
parameters of interest.
analog - Raw voltage
measurements from the analog to digitial converter board.
0 - Time [Seconds]
1 - Voltage from Analog Channel 0 [volts]
2 - Voltage from Analog Channel 1 [volts]
3 - Voltage from Analog Channel 2 [volts]
4 - Voltage from Analog Channel 3 [volts]
5 - Voltage from Analog Channel 4 [volts]
6 - Voltage from Analog Channel 5 [volts]
7 - Voltage from Analog Channel 6 [volts]
8 - Voltage from Analog Channel 7 [volts]
9 - Voltage from Analog Channel 8 [volts]
10 - Voltage from Analog Channel 9 [volts]
11 - Voltage from Analog Channel 10 [volts]
12 - Voltage from Analog Channel 11 [volts]
13 - Voltage from Analog Channel 12 [volts]
14 - Voltage from Analog Channel 13 [volts]
15 - Voltage from Analog Channel 14 [volts]
16 - Voltage from Analog Channel 15 [volts]
17 - Voltage from Analog Channel 16 [volts]
18 - Voltage from Analog Channel 17 [volts]
19 - Voltage from Analog Channel 18 [volts]
20 - Voltage from Analog Channel 19 [volts]
21 - Voltage from Analog Channel 20 [volts]
22 - Voltage from Analog Channel 21 [volts]
23 - Voltage from Analog Channel 22 [volts]
24 - Voltage from Analog Channel 23 [volts]
25 - Voltage from Analog Channel 24 [volts]
26 - Voltage from Analog Channel 25 [volts]
27 - Voltage from Analog Channel 26 [volts]
28 - Voltage from Analog Channel 27 [volts]
29 - Voltage from Analog Channel 28 [volts]
30 - Voltage from Analog Channel 29 [volts]
31 - Voltage from Analog Channel 30 [volts]
32 - Voltage from Analog Channel 31 [volts]
applanix - Real time
data from the applanix system.
0 - Time [Seconds]
1 - Time from the Applanix Position and Orientation System [seconds]
2 - Aircraft Roll Angle from the Applanix POS System [degrees]
3 - Aircraft Pitch Angle from the Applanix POS System [degrees]
4 - Aircraft Heading Angle [degrees]; 0-360 with 0 being North
5 - Aircraft Latitude from the Applanix POS System [degrees]
6 - Aircraft Longitude from the Applanix POS system [degrees]
7 - Aircraft Altitude from the Applanix POS system [m]
8 - Aircraft Speed from the Applanix POS system [m/s]
9 - Aircraft Track Angle [degrees]; 0-360 with 0 being North
10 - Aircraft X-direction acceleration for the Applanix POS system [m/s^2]
11 - Aircraft Y-direction acceleration for the Applanix POS system [m/s^2]
12 - Aircraft Z-direction acceleration for the Applanix POS system [m/s^2]
baumgardner.fssp
- FSSP probe parameters that include instrument corrections.
0 - Time [Seconds]
1 - FSSP channel 1 concentration [#/(cc*um)]
2 - FSSP channel 2 concentration [#/(cc*um)]
3 - FSSP channel 3 concentration [#/(cc*um)]
4 - FSSP channel 4 concentration [#/(cc*um)]
5 - FSSP channel 5 concentration [#/(cc*um)]
6 - FSSP channel 6 concentration [#/(cc*um)]
7 - FSSP channel 7 concentration [#/(cc*um)]
8 - FSSP channel 8 concentration [#/(cc*um)]
9 - FSSP channel 9 concentration [#/(cc*um)]
10 - FSSP channel 10 concentration [#/(cc*um)]
11 - FSSP channel 11 concentration [#/(cc*um)]
12 - FSSP channel 12 concentration [#/(cc*um)]
13 - FSSP channel 13 concentration [#/(cc*um)]
14 - FSSP channel 14 concentration [#/(cc*um)]
15 - FSSP channel 15 concentration [#/(cc*um)]
16 - FSSP total droplet number concentration [#/cc]
17 - Liquid water content based on the FSSP probe measurements [g/m^3].
18 - Mean droplet diameter based on the FSSP probe measurements [um].
19 - Mean volume droplet diameter based on the FSSP probe measurements [um].
20 - Droplet effective radius based on the fSSP probe measurements [um].
cn - Raw measurements
from the Condensation Nuclei (CN) counter.
0 - Time [Seconds].
1- Aerosol number concentration taken directly from the TSI model 3760
CN Counter [#/cm^3].
2 - CN Counter flow rate [L/min].
conc - Aerosol number
concentration from the CN counter.
0 - Time [Seconds].
1 - Aerosol number concentration from the CN counter.
egg - Calculated parameters
based on the EG&G dewpoint temperature measurement.
0 - Time [Seconds]
1 - Vapor Pressure from the EG&G probe [mbars]
2 - Saturation Vapor Pressure [mbars]
3 - Mixing Ratio from the EG&G probe [g/kg]
4 - Saturation Mixing Ratio from the EG&G probe [g/kg]
5 - Relative Humidity from the EG&G probe [%]
6 - Equivalent Potential Temperature [K]
7 - Virtual Temperature [K]
8 - Virtual Potential Temperature [K]
9 - Total Mixing Ratio [g/kg]
10 - Wet Equivalent Potential Temperature [K]
hum - Calculated parameters based on the Laser Hygrometer
measurement.
0 - Time [Seconds]
1 - Mixing Ratio by weight from the Laser Hygrometer [ppmw]
2 - Dewpoint Temperature from the Laser Hygrometer [degrees Celsius]
3 - FrostPoint Temperature from the Laser Hygrometer [degrees Celsius]
4 - Relative Humidity [percent]; With Respect to water T>=0
Respect to Ice T<0
5 - Absolute Humidity from the Laser Hygrometer [g/m3]
6 - Vapor Pressure from the Laser Hygrometer [millibars]
7 - Relative Humidity [percent]; With respect to water even below freezing
icing - Calcualted
parameters based on the Rosemount Icing detector probe.
0 - Time [Seconds].
1 - Raw voltage from the Rosemount Icing Probe [volts]
2 - Raw heater flag voltage from the Rosemount Icing Probe [volts].
3 - Liquid Water Content from the Rosemount Icing Probe [g/m^3].
4 - Icing Rate from the Rosemount Icing Probe [mm/min].
king - Calculated parameters based on the King Liquid Water
Content Probe measurement.
0 - Time [Seconds]
1 - Liquid Water Content based on the King Probe measurement [g/m^3]
2 - Liquid Water Content adjusted for the baseline voltage offset [g/m^3].
physical - Level
two data output file where parameters have been converted from raw voltages
to physical units.
0 - Time [Seconds]
1 - Static Pressure [millibars]
2 - Air Temperature Uncorrected for Dynamic Heating from the Rosemount
Probe [degrees Celsius]
3 - Attack Angle Differential Pressure [millibars]
4 - Sideslip Angle Differential Pressure [millibars
5 - Pitot Pressure from Nose Probe [millibars]
6 - Pitot Pressure from Wing Probe [millibars]
7 - Dewpoint Temperature from EG&G Probe [degrees Celsius]
8 - Aircraft Cabin Pressure [millibars]
9 - Aircraft Altitude above ground based on radar [feet]
tdl - Raw parameters (Level two file) for the Laser Hygrometer
(TDL) instrument.
0 - Time [Seconds]
1 - Mixing Ratio By Volume from the Laser Hygrometer [ppmv]
2 - TDL Mass Flow Rate [L/min]
winds - Various parameters related to calculating the aircraft
wind parameters.
0 - Time [Seconds]
1 - Air Temperature Corrected for Dynamic Heating based on Wing
Pitot Pressure [degrees Celsius]
2 - Mach Number based on Wing Pitot Pressure
3 - Indicated Air Speed based on Wing Pitot Pressure [m/s]
4 - True Air Speed based on Wing Pitot Pressure [m/s] {Calibration:
slope = 97.808738 offset = -244.09815}
5 - Pressure Altitude [millibars]
6 - Alpha (Attack) Angle [degrees] {Calibration: slope =
0.077602900 offset = 5.3016089}
7 - Beta (Sideslip) Angle [degrees] {Calibration: slope =
0.053243240 offset = 0.41291258}
8 - X (East) Component of the Ground Speed [m/s]
9 - Y (North) Component of the Ground Speed [m/s]
10 - Vertical Velocity of the aircraft based on the post processed SBET
data [m/s]
11 - X (East) Component of the Wind Speed based on the Nose Probe [m/s]
12 - Y (North) Component of the Wind Speed based on the Nose Probe [m/s]
13 - Z (Vertical) Component of the Wind Speed based on the Nose Probe
[m/s]
14 - Horizontal Wind Speed based on the Nose Probe [m/s]
15 - Horizontal Wind Direction from Nose Probe [degrees]; True Direction
From Which it Blows
16 - X (East) Component of the Wind Speed based on the Wing Probe [m/s]
17 - Y (North) Component of the Wind Speed based on the Wing Probe [m/s]
18 - Z (Vertical) Component of the Wind Speed based on the Wing Probe
[m/s]
19 - Horizontal Wind Speed based on the Wing Probe [m/s]
20 - Horizontal Wind Direction from Wing Probe [degrees]; True Direction
From Which it Blows
21 - X (East) Component of the Wind Speed [m/s]
22 - Y (North) Component of the Wind Speed [m/s]
23 - Z (Vertical) Component of the Wind Speed [m/s]
24 - Horizontal Wind Speed [m/s]
25 - Horizontal Wind Direction [degrees]; True Direction From Which it
Blows
26 - Turbulence parameter (Eddy Dissipation Rate) based on Wing Pitot
pressure [cm^2/3*s^-1]
27 - Wind Parameter Flag
28 - Air Temperature Corrected for Dynamic Heating based on Nose Pitot
Pressure [degrees Celsius]
29 - Mach Number based on Nose Pitot Pressure
30 - Indicated Air Speed based on Nose Pitot Pressure [m/s]
31 - True Air Speed based on Nose Pitot Pressure [m/s] {Calibration:
slope = 17.246903 offset = -3.6661763}
32 - Turbulence parameter (Eddy Dissipation Rate) based on Nose Pitot
pressure [cm^2/3*s^-1]