Name

Units

Definition

2DEE1_xx

Vdc

PMS-2D Probe Housekeeping; xx=IBR (2D-C) and OBR (2D-P)

2DEE32_xx

Vdc

PMS-2D Probe Housekeeping; xx=IBR (2D-C) and OBR (2D-P)

2DMTMP_xx

Vdc

PMS-2D Probe Housekeeping; xx=IBR (2D-C) and OBR (2D-P)

2DV15_xx

Vdc

PMS-2D Probe Housekeeping; xx=IBR (2D-C) and OBR (2D-P)

2DV5_xx

Vdc

PMS-2D Probe Housekeeping; xx=IBR (2D-C) and OBR (2D-P)

2DVN15_xx

Vdc

PMS-2D Probe Housekeeping; xx=IBR (2D-C) and OBR (2D-P)

A260X_OBL

cnts

260X Raw Accumulation (per cell)

ACINS

M/s2

Aircraft Vertical Acceleration

ADIFR

mbar

Vertical Differential Pressure, Radome

AF300_RPO

cnts

FSSP-300 Raw Accumulation (per cell)

AFSSP_LPI

cnts

FSSP-100 Raw Accumulation (per cell)

AKRD

deg

Attack Angle, Radome Diff. Pressure

ALT

M

IRS Baro-Inertial Altitude

APCAS_IBL

cnts

PCAS Raw Accumulation (per cell)

ATRL

C

Ambient Temperature, Radome Left

ATRR

C

Ambient Temperature, Radome Right

ATTACK

deg

Attack Angle, Reference

ATWH

C

Ambient Temperature, Deiced Wing

ATX

C

Ambient Temperature, Reference

BDIFR

mbar

Horizontal Differential Pressure, Radome

C260X_OBL

N/L

260X Concentration (per cell)

CF300_RPO

N/cM3

FSSP-300 Concentration (per cell)

CFSSP_LPI

N/cM3

FSSP-100 Concentration (per cell)

CMRCR

g/kg

Mixing Ratio, Cryogenic, Corrected

CNTEMP

C

CN Counter Inlet Temperature

CNTS

cnts

TSI CN Counter Output

CONC3_RPO

N/cm3

FSSP-300 Concentration (all cells)

CONC6_OBL

N/L

260X Concentration (all cells)

CONCF_LPI

N/cm3

FSSP-100 Concentration (all cells)

CONCN

N/cm3

Condensation Nuclei (CN) Concentration

CONCP_IBL

N/cm3

PCAS Concentration (all cells)

CPCAS_IBL

N/cM3

PCAS Concentration (per cell)

CRHP

mbar

Cryogenic Hygrometer Inlet Pressure

CSTIN

C

Cloudscope Temperature, In

CSTOUT

C

Cloudscope Temperature, Out

DAY

day

Raw Tape Date Component

DBAR3_RPO

uM

FSSP-300 Mean Particle Diameter

DBAR6_OBL

uM

260X Mean Particle Diameter

DBARF_LPI

uM

FSSP-100 Mean Particle Diameter

DBARP_IBL

uM

PCAS Mean Particle Diameter

DBZ6_OBL

dBZ

260X Calculated Reflectivity

DBZF_LPI

dBZ

FSSP-100 Calculated Reflectivity

DEI

kM

Distance East of Fixed Reference

DISP6_OBL

none

260X Dispersion (sigma/dbarx)

DISPF_LPI

none

FSSP-100 Dispersion (sigma/dbarx)

DISPP_IBL

none

PCAS Dispersion (sigma/dbarx)

DNI

kM

Distance North of Fixed Reference

DPB

C

Dew/Frost Point Temperature, Fuselage Bottom

DPBC

C

Dew Point Temperature, T-Electric Bottom

DPCRC

C

Dew Point Temperature, Cryogenic

DPT

C

Dew/Frost Point Temperature, Fuselage Top

DPTC

C

Dew Point Temperature, T-Electric Top

DPXC

C

Dew Point Temperature, Reference

DRFTA

deg

Inertial Drift Angle

DTB

C

Pyrgeometer Dome Temperature, Bottom

DTT

C

Pyrgeometer Dome Temperature, Top

EDPC

mbar

Ambient Water Vapor Pressure, Reference

EVENT_CKP

none

Event Marker - Cockpit

EVENT_CTL

none

Event Marker - ADS Operator Station

EVENT_FWD

none

Event Marker - Forward Observer Display

EVENT_OBL

none

Event Marker - Aft Left Observer Display

EVENT_OBR

none

Event Marker - Aft Right Observer Display

FACT_LPI

none

FSSP-100 Activity Fraction

FANV_LPI

Vdc

FSSP-100 Annulus Baseline Voltage

FBMFR_LPI

none

FSSP-100 Beam Fraction

FCN

slpm

Raw CN Counter Sample Flow Rate

FCNC

vlpm

Corrected CN Counter Sample Flow Rate

FPCRC

C

Frost Point Temperature, Cryogenic

FREF_LPI

none

FSSP-100 Laser Reference Voltage

FRNG_LPI

none

FSSP-100 Size Range Category

FRST_LPI

cnts

FSSP-100 Fast Resets

FSIG_LPI

Vdc

FSSP-100 Signal Voltage

FSTB_LPI

cnts

FSSP-100 Strobes

FSTT_LPI

cnts

FSSP-100 Signal Transit Time

FTMP_LPI

none

FSSP-100 Housekeeping Data

FXAZIM

deg

Radial Azimuth from Fixed Reference

FXDIST

kM

Radial Distance from Fixed Reference

GLAT

deg

GPS Latitude

GLON

deg

GPS Longitude

GMODE

none

GPS Mode

GSF

M/s

Inertial Ground Speed

GSTAT

none

GPS Status

GVEW

M/s

GPS Ground Speed Vector, East Component

GVNS

M/s

GPS Ground Speed Vector, North Component

GVZI

M/s

GPS-Computed Aircraft Vertical Velocity

HGM232

M

Geometric (Radar) Altitude (APN-232)

HGM232S

M

Geometric Altitude Status Monitor (APN-2100

HK28AII

Vdc

28-Volt Power Housekeeping Variable

HK28AIV

Vdc

28-Volt Power Housekeeping Variable

HK28UI

Vdc

28-Volt Power Housekeeping Variable

HK28UV

Vdc

28-Volt Power Housekeeping Variable

HK400

Vdc

400 Cycle Power Housekeeping Variable

HK60D

Vdc

60 Hertz Power Housekeeping Variable

HK60L

Vdc

60 Cycle Power Housekeeping Variable

HK60R

Vdc

60 Cycle Power Housekeeping Variable

HOUR

hours

Raw Tape Time Component

INFLOW

slpm

SCAI Excess Flow

INFLOWC

 slpm

Corrected SCAI Excess Flow

IRB

W/M2

Raw Infrared Irradiance, Bottom

IRBC

W/M2

Corrected Infrared Irradiance, Bottom

IRT

W/M2

Raw Infrared Irradiance, Top

IRTC

W/M2

Corrected Infrared Irradiance, Top

LAT

deg

Inertial Latitude

LON

deg

Inertial Longitude

MCRMOT

KHz

Multichannel Radiometer Scan Motor Rotation Rate

MCROUT

none

Multichannel Radiometer Digital Output 

MCRSTAT

none

Multichannel Radiometer Status

MINUTE

minute

Raw Tape Time Component

MONTH

month

Raw Tape Date Component

MR

g/kg

Mixing Ratio, T-Electric

MRLA

g/kg

Mixing Ratio, Lyman-alpha

MRLA1

g/kg

Mixing Ratio, Lyman-alpha

MRUV

g/kg

Mixing Ratio, UV Hygrometer

OAT

C

Ambient Temperature, Ophir III

OBBCOD

cnts

Ophir Black Body Code

OBBCR

W/M2/um

Ophir Hemispherical Black Body Radiance

ODETDC

cnts

Ophir Detector Bias Voltage

ODETOF

cnts

Ophir Detector Offset

ODETSG

cnts

Ophir Raw Detector Signal

ODSIGC

Vdc

Ophir Detector Signal, Corrected

OGAIN

cnts

Ophir Gain

OGAINF

cnts

Ophir Detector Gain Factor

OSMOTR

cnts

Ophir Chopper Motor Speed

OTBBC

cnts

Ophir Controlled Black Body Temperature

OTBBF

cnts

Ophir Free Black Body Temperature

OTBNCH

cnts

Ophir Optical Bench Temperature

OTBOX

cnts

Ophir Electronics Box Temperature

OTDET

cnts

Ophir Detector Temperature

OTDETC

K

Ophir Detector Temperature, Corrected

OTSNT

cnts

Ophir Optics Temperature

P6E01_OBL

none

260X Housekeeping Data

P6E64_OBL

none

260X Housekeeping Data

P6RST_OBL

none

260X Housekeeping Data 

P6TMP_OBL

none

260X Housekeeping Data

PACT_IBL

cnts

PCAS Raw Activity

PALT

M

NACA Pressure Altitude

PALTF

feet

NACA Pressure Altitude

PBRS_IBL

none

PCAS Beam Diffraction Ratio 

PCAB

mbar

Interior Cabin Static Pressure 

PCN

mbar

CN Counter Inlet Pressure 

PFLW_IBL

Vdc

PCAS Flow

PFLWC_IBL

slpm 

PCAS Corrected Flow 

PITCH

deg

Aircraft Pitch Angle

PLWC

W

Raw PMS-King Liquid Water Content Output

PLWC1

W

Raw PMS-King Liquid Water Content Output

PLWC6_OBL

g/M3

260X Water/Ice Content 

PLWCC

g/M3

Corrected PMS-King Liquid Water Content 

PLWCC1

g/M3

Corrected PMS-King Liquid Water Content

PLWCF_LPI

g/M3

FSSP-100 Water/Ice Content 

PODTMPL

C 

Pod Temperature, Left Wing 

PODTMPR

C

Pod Temperature, Right Wing 

PREF_IBL

Vdc 

PCAS Laser Reference Voltage

PSF

mbar

Raw Static Pressure, Fuselage

PSFC

mbar

Corrected Static Pressure, Fuselage 

PSFD

mbar

Raw Static Pressure, Fuselage Digital 

PSFD1

cnts

Raw PSFD, Low-order word

PSFD2

cnts

Raw PSFD, High-order word

PSFDC

mbar

Corrected Static Pressure, Fuselage Digital 

PSTT_IBL

cnts 

PCAS Signal Transit Time

PSX

mbar

Raw Static Pressure, Reference

PSXC

mbar

Corrected Static Pressure, Reference 

PTMP_IBL

Vdc

PCAS Detector Temperature 

QCF

mbar

Raw Dynamic Pressure, Fuselage 

QCFC

mbar

Corrected Dynamic Pressure, Fuselage 

QCR

mbar

Raw Dynamic Pressure, Radome 

QCRC

mbar

Corrected Dynamic Pressure, Radome

QCX

mbar

Raw Dynamic Pressure, Reference 

QCXC

mbar

Corrected Dynamic Pressure, Reference 

RHOCR

g/M3

Absolute Humidity, Cryogenic 

RHODT

g/M3

Absolute Humidity, T-Electric Top 

RHOLA

g/M3

Absolute Humidity, Lyman-alpha

RHOLA1

g/M3

Absolute Humidity, Lyman-alpha 

RHUM

%

Relative Humidity

RICE

Vdc

Raw Icing-Rate Indicator

ROLL

deg

Aircraft Roll Angle

RSTB

C

Radiometric Surface Temperature

RSTB1

C

Radiometric Surface Temperature

SECOND

s 

Raw Tape Time Component 

SHDORC_IBR

cnts

2D-C Shadow OR Counts 

SHDORP_OBR

cnts

2D-P Shadow OR Counts 

SOLAZ

radians

Solar Azimuth Angle 

SOLDE

radians

Solar Declination Angle 

SOLEL

radians

Solar Elevation Angle 

SOLZE

radians

Solar Zenith Angle

SSLIP

deg

Sideslip Angle, Reference

SSRD

deg

Sideslip Angle, Radome Diff. Pressure

STB

C

Pyrgeometer Sink Temperature, Bottom

STT

C

Pyrgeometer Sink Temperature, Top

SWB

W/M2

Shortwave Irradiance, Bottom 

SWT

W/M2

Shortwave Irradiance, Top 

TASF

M/s

Aircraft True Airspeed, Fuselage

TASHC

M/s

Aircraft True Airspeed, Humidity Corrected

TASR

M/s

Aircraft True Airspeed, Radome

TASX

M/s

Aircraft True Airspeed, Reference

THDG

deg

Aircraft True Heading Angle

THETA

K

Potential Temperature

THETAE

K

Equivalent Potential Temperature

THETAV

K

Virtual Potential Temperature

TKAT

deg

Inertial Track Angle, True

TRSTB

C

RSTB Sensor Head Temperature

TTRL

C

Total Temperature, Radome Left

TTRR

C

Total Temperature, Radome Right

TTWH

C

Total Temperature, Deiced Wing

TTX

C

Total Temperature, Reference

UI

M/s

Wind Vector, East Component

UVB

W/M2

Ultraviolet Irradiance, Bottom 

UVCHRF

cnts 

UV Hygrometer Lamp-Off Ref. Detector 

UVCHSP

cnts 

UV Hygrometer Lamp-Off Signal Detector 

UVHREF

cnts

UV Hygrometer H-lamp Reference Detector

UVHSMP

cnts 

UV Hygrometer H-lamp Signal Detector 

UVKRRF

cnts 

UV Hygrometer K-lamp Reference Detector 

UVKRSP

cnts 

UV Hygrometer K-lamp Signal Detector 

UVPVOL

mbar

UV Hygrometer Sample Volume Pressure

UVT

W/M2

Ultraviolet Irradiance, Top

UVTVOL

C

UV Hygrometer Sample Vol. Temperature

UX

M/s

Wind Vector, Longitudinal Component

VCRH

C

Dew/Frost Point Temperature, Cryogenic

VEW

M/s

Inertial Ground Speed Vector, East Component

VI

M/s

Wind Vector, North Component

VLA

Vdc

Raw Lyman-alpha Hygrometer Output

VLA1

Vdc

Raw Lyman-alpha Hygrometer Output

VNS

M/s

Inertial Ground Speed Vector, North Component

VSPD

M/s

IRS-Computed Aircraft Vertical Velocity

VY

M/s

Wind Vector, Lateral Component

WD

deg

Horizontal Wind Direction

WI

M/s

Wind Vector, Vertical Gust Component

WP3

M/s

Damped Aircraft Vertical Velocity

WS

M/s

Horizontal Wind Speed

XGLWC

g/M3

Gerber Liquid Water Content

XGMODE

cnts

Gerber Probe Mode 

XGSFC

cM2/M3

Gerber Particle Surface Area

XICN

slpm

CN Isokinetic Side Flow Rate

XICNC

vlpm

Corrected CN Isokinetic Side Flow Rate

XLATC

deg

GPS-Corrected Inertial Latitude

XLONC

deg

GPS-Corrected Inertial Longitude

XMACH2

none

Aircraft Mach Number Squared 

XOPHR

Vdc

Analog Ambient Temperature Signal, Ophir

XRADCF

none

Radiation Correction Factor 

XSWTC

W/M2

Shortwave Irradiance, Top, (Attitude-Corrected)

XUIC

M/s

GPS-Corrected Wind Vector, East Component

XUXC

M/s

GPS-Corrected Wind Vector, Longitudinal Component

XVEWC

M/s

GPS-Corrected Inertial Ground Speed Vector, East Component 

XVIC

M/s

GPS-Corrected Wind Vector, North Component

XVNSC

M/s

GPS-Corrected Inertial Ground Speed Vector, North Component 

XVYC

M/s

GPS-Corrected Wind Vector, Lateral Component

XWDC

deg

GPS-Corrected Horizontal Wind Direction

XWIC

M/s

GPS-Corrected Wind Vector, Vertical Gust Component

XWSC

M/s

GPS-Corrected Horizontal Wind Speed

YEAR

year

Raw Tape Date Component