glossary

There are many abbreviations used by the Ulysses Mission Operations Team. Some are specific to the Ulysses Project while others are more widely used. If you find an abbreviation that you are not familiar with, look in our glossary. Please select a letter.

 

A B C D E F G H I
J K L M N O P Q
R S T U V W X Y Z
 
A
AOCS Attitude and Orbit Control Subsystem
AOCS Attitude and Orbit Control Electronics
AT Anisotropy Telescope (COSPIN)
AU Astronomical Unit
B
BAM Solar Wind Observation Over the Poles of the Sun (SWOOPS) BAM-E SWOOPS Electron instrument BAM-I SWOOPS Ion instrument BOM Beginning of Mission bps bits per second BSNR Bit Signal to Noise Ratio BT Backup Table BWG DSN Beam Waveguide antenna
C
CAL Calibration CE Control Electronics CoI Co-Investigator CONJ On-board Conjunction program Conscan Conical Scanning COSPIN Cosmic Ray and Solar Particle Investigation CTU Central Terminal Unit CTUMON On-board Data Handling monitor program
D
dB decibel DHS Data Handling Subsystem DNEL Disconnect Non Essential Loads DPU Data Processing Unit DR Discrepancy Report DSN Deep Space Network DSS Deep Space Station DSU Data Storage Unit (on-board tape recorder) DUST Cosmic Dust experiment (GRU)
E
ELD External Linear Dumper circuit ENG Engineering telemetry format: no science data EPAC Energetic Particles experiment (KEP) EPC Electronic Power Conditioning EPD External Power Dumper ERT Earth Receive Time ESA European Space Agency ESOC European Space Operations Centre, Darmstadt, Germany ESTEC European Space Research and Technology Centre, Noordwijk, The Netherlands ETT Earth Transmit Time
F
FCV Flow Control Valve FD On-board Failure Detection logic FES Fast Envelope Sampler (STO) FGM Flux Gate Magnetometer (HED)
G
GAS Interstellar Neutral Gas experiment (KEP) GLG Solar Wind Ion Composition Spectrometer experiment (SWICS) GRB Gamma Ray Burst experiment (HUS) GRU Cosmic Dust experiment (DUST) GWE Gravitational Wave Experiment
H
HED Magnetic Field experiment (FGM/VHM) HET High Energy Telescope (COSPIN) HFT High Flux Telescope (COSPIN) HGA High Gain Antenna HI-SCALE Heliospheric Instrument for Spectra, Composition, and Anisotropy at Low Energies (LAN) HUS Solar X-rays and Cosmic Gamma Ray Bursts experiment (GRB) HV High Voltage Hz Hertz
I
IFC In Flight Calibration INA On-board Initial Acquisition program INT Interleaved telemetry format (real-time and playback data interleaved) IPD Internal Power Dumper IUS Inertial Upper Stage
J
JPL Jet Propulsion Laboratory, Pasadena, California
K
KEP Energetic Particles / Interstellar Helium experiments (EPAC/GAS) KET Kiel Electron Telescope (COSPIN) km Kilometre kW Kilowatt
L
LA Lower Axial (thruster) LAN Heliospheric Instrument for Spectra, Composition, and Anisotropy at Low Energies (HI-SCALE) LET Low Energy Telescope LGA Low-gain antenna LOC On-board loss-of-command program LV Latching valve
M
ME Meridian Slit of Cross Beam Sun Sensor MHC Monthly Health Check MS Single Slit Sun Sensor (slit aligned meridian only)
N
NASA National Aeronautics and Space Administration
O
OBDH On Board Data Handling OB Oblique Slit of Cross Beam Sun Sensor OOL Out of limit
P
PAM-S Payload Assist Module - Shuttle PAPS Post-acceleration Power Supply PBK DSU in Playback Pc/No Carrier power / Noise spectral density PE Processing Electronics PI Principal Investigator PS Sun reference pulse mode flag PSEUDO On-board Pseudo program PT Primary Table
Q
QSET On-board Watchdog supervision counter reset program
R
RAM Random Access Memory RAMQ On-board RAM Quality test program RAR Radio-astronomy Receiver RCIU Remote Control Interface Unit REC On Board Reconfiguration program REC DSU in Record RFDU Radio Frequency Distribution Unit Rj Jovian radii ROM Read Only Memory ROMQ On-board ROM Quality test program RTG Radioisotope Thermoelectric Generator RTU Remote Terminal Unit RTUQ On-board RTU Quality program Rx Receiver
S
SAA Solar Aspect Angle SAM On-board Safe Attitude Manoeuvre program SBY DSU in Standby SCET Spacecraft Event Time SCI Science telemetry format (reduced engineering data rates) SEARCH On-board autonomous manoeuvre program SEP Sun-Earth-Probe angle SIM Cosmic Rays and Solar Particle Investigation experiment (COSPIN) SNR Signal to Noise Ratio SPE Sun-Probe-Earth angle SPIN On-board Sun Reference Pulse generation program SRL Subsystem Reset Logic SRP Spin Reference Pulse SSC Spin Segment Clock SSNR Symbol Signal to Noise Ratio STD DSN Standard antenna STO Unified Radio and Plasma Waves experiment (URAP) STS Shuttle Transfer System SWICS Solar Wind Ion Composition Spectrometer experiment (GLG) SWOOPS Solar Wind Observation Over the Poles of the Sun experiment (BAM)
T
TCM Trajectory Correction Manoeuvre TM Telemetry TT&C Telemetry, Tracking and Command TWTA Travelling Wave Tube Amplifier Tx Transmitter
U
UA Upper axial (thruster) URAP Unified Radio and Plasma Waves experiment (STO) UTC Coordinated Universal Time
V
VHM Vector Helium Magnetometer (HED)
W
W Watt WDQ On-board Watchdog Quality program
X
XBS Cross Beam Sun Sensor
Y
Z