A/D

Analog to Digital Converter

ADC

Analog to Digital Converter

ADR

Ancillary Data Record

APL

The Johns Hopkins University Applied Physics Laboratory

APS

Alpha Particle Spectrometer (on Lunar Prospector)

ASCII

American Standard Code for Information Interchange

BDR

Basic Data Recorder

CAT

CRISM Analysis Tool

CDR

Calibration Data Record

CRaTER

Cosmic Ray Telescope of the Effects of Radiation (on LRO)

CRISM

Compact Reconnaissance Imaging Spectrometer for Mars (on Mars Reconnaissance Orbiter)

CSV

Comma-Separated Value (a format for organizing tabular data in ASCII format)

CTX

Context Camera (on Mars Reconnaissance Orbiter)

DAC

Digital to Analog Converter

DDR

Derived Data Record

DIVINER

LRO Lunar Radiometer Experiment

DPCM

Differential Pulse-Code Modulation (compression)

DPU

CRISM Data Processing Unit

EDR

Experiment Data Record

EPF

Emission Phase Function

ER

Electron Reflectometer (on Lunar Prospector)

FOV

Field-of-View

FPU

Focal Plane Unit

Gb

Gigabit (109 bits)

GME

CRISM Gimbal Motor Electronics

GRS

Gamma-Ray Spectrometer

GSFC

Goddard Space Flight Center

HiRes

High Resolution Camera (on Clementine)

HIRISE

High-Resolution Imaging Science Experiment (on Mars Reconnaissance Orbiter)

HOP

High-output Paraffin actuator; on CRISM a HOP deploys the cover

HRSC

High Resolution Stereo Camera

I/F

Intensity divided by flux, or the ratio of radiance to incident solar radiation

IR

Infrared

ISRO

Indian Space Research Organization

JHU/APL

The Johns Hopkins University Applied Physics Laboratory

JPL

Jet Propulsion Laboratory

LAMP

Lyman-Alpha Mapping Project (on LRO)

LED

Light-emitting diode

LEND

Lunar Exploration Neutron Detector (on LRO)

LIDAR

Laser Image Detection and Ranging (on Clementine)

LOLA

Lunar Orbiter Laser Altimeter (on LRO)

LRO

Lunar Reconnaissance Orbiter

LROC

Lunar Reconnaissance Orbiter Camera (on LRO)

LOS

Line of Sight

Ls

Solar longitude; a measure of Mars’ motion in its orbit, in degrees, since northern hemisphere vernal equinox

LUT

Look-up Table

LVDS

Low-Voltage Differential Signal

LWIR

Long Wavelength Infrared Camera (on Clementine)

M3

Moon Mineralogy Mapper (on Chandrayaan-1)

MAG

Magnetometer

MARCI

Mars Color Imager – Wide Angle Camera (on Mars Reconnaissance Orbiter)

MARSIS

Mars Advanced Radar for Subsurface and Ionosphere Sounding (on Mars Express)

MASCS

Mercury Atmospheric and Surface Composition Spectrometer

MCS

Mars Climate Sounder

MDIS

Mercury Dual Imaging System

MDR

Merged Data Record

MESSENGER

Mercury Surface, Space Environment, Geochemistry, and Ranging

MEX

Mars Express

MGS

Mars Global Surveyor

MLA

Mercury Laser Altimeter

MOC

Mars Orbiter Camera (on Mars Global Surveyor)

MOLA

Mars Orbiter Laser Altimeter (on Mars Global Surveyor)

MRDR

CRISM Map-projected Reduced Data Record

MRO

Mars Reconnaissance Orbiter

MTRDR

CRISM Map-projected Targeted Reduced Data Record

MUX

Multiplexed or multiplexer

NIR

Near-Infrared Camera (on Clementine)

NS

Neutron Spectrometer

ODE

Orbital Data Explorer

OMEGA

Observatoire pour la Minéralogie, l’Eau, les Glaces et l’Activité (on Mars Express)

OSU

CRISM Optical Sensor Unit

PDS

Planetary Data System

PFS

Planetary Fourier Spectrometer

RDR

Reduced Data Record

RS

Radio Science

SHARAD

Shallow Radar

SIS

Software Interface Specification

SNR

Signal-to-noise ratio

SOC

Science Operations Center

SPICE

SPacecraft, Instrument, Camera, and Events; a set of data formats for spacecraft ephemieris, attitude, and instrument pointing

STC

Star Tracker Camera (on Clementine)

Tb

Terabit (1012 bits)

TBD

To Be Determined

TES

Thermal Emission Spectrometer (on Mars Global Surveyor)

THEMIS

Thermal Emission Imaging System (on Mars Odyssey)

TRDR

CRISM Targeted Reduced Data

UVVS

Ultraviolet and Visible Spectrometer

UVVIS

Ultraviolet/Visible Camera (on Clementine)

VIRS

Visible and Infrared Spectrograph

VNIR

Visible / near-infrared

XRS

X-Ray Spectrometer