Attachment P - L10 Acronym List.pdf

Attachment No. P

Landsat 10 Acronym List

RFP 80GSFC26R0015

National Aeronautics and Space Administration Goddard Space Flight Center

L10 SC RFP Acronyms List L10-SC-DESC-0067, Revision -ii

Table of Contents TABLE OF CONTENTS ................................................................................................................ II

1.0 INTRODUCTION

NUMBERS AND SYMBOLS

2.0 A

3.0 B

4.0 C

5.0 D

6.0 E

7.0 F

8.0 G

9.0 H

10.0 I

11.0 J

12.0 K

13.0 L

14.0 M

15.0 N

16.0 O

17.0 P

18.0 Q

19.0 R

20.0 S

21.0 T

22.0 U

23.0 V

24.0 W

25.0 X

1.0 INTRODUCTION

This acronyms list was generated from the Landsat 10 Common Acronyms List, L10-MGMT- DESC-0006, Draft Rev E.

Numbers and Symbols

@ – At

# – Number

% – Percent

º – Degree

V/m – Volts per meter

2.0 A

ABPL – As-Built Parts Lists

ACCESS – Advanced Communications Capabilities for Exploration and Science Systems

ACS – Attitude Control System

AD – Activity Definition

ADs – Activity Definitions

ADD – Algorithm Description Document

ADPL – As-Designed Parts Lists

AES – Advanced Encryption Standard

AFT – Allowable Flight Temperature

AFTs – Allowable Flight Temperature

AI&T – Assembly, Integration, and Test

AI – Artificial Intelligence am – Ante Meridian

ANSI – American National Standards Institute

AO – Atomic Oxygen

AOI – Area of Interest

AOS – Acquisition of Signal

AR – Anomaly Report

ARD – Analysis Ready Data

ARQ – Automatic Repeat Query

ASCII – American Standard Code for Information Interchange

ASD – Acceleration Spectral Density

AST – Architecture Study Team

ASTER – Advanced Spaceborne Thermal Emission and Reflection Radiometer

ATM – Acceleration Transformation Matrix

ATO – Authority to Operate

ATP – Authorization To Proceed

ATS – Absolute Time Command Sequence

ATS – Absolute Time Command Sequences

Avg – Average

AVI – Audio Video Interleave

3.0 B

BAD – Block Address Data

BBR – Band to Band Registration

BCR – Budget Change Request

BER – Bit error rate

BIST – Built-In-Self-Test

BLE – Ballistic Limit Equation bMOC – Backup Mission Operations Center

BOL – Beginning of Life

BPG – Best Practices Guide

BPSK – Binary Phase Shift Keying

4.0 C

C – Centigrade

C&DH – Command and Data Handling

C&T – Command and Telemetry

C&TDB – Command and Telemetry Database

CAD – Computer-Aided Design

CADU – Channel Access Data Unit

Cal – Calibration

Cal/Val – Calibration and Validation

CAO – Contact and Activity Orchestration

CARA – Conjunction Assessment Risk Assessment

CAS – Communications Activity Schedule

CBAR – Finite Element Type

CBE – Current Best Estimates

CCAM – Launch vehicle Collision and Contamination Avoidance Maneuver

CCB – Configuration Control Board

CCR – Configuration Change Request

CCRs – Configuration Change Requests

CCSDS – Consultative Committee on Space Data Systems

CDOM – Chromophoric Dissolved Organic Matter

CDR – Critical Design Review

CDRL – Contract Data Requirements List

CDRLs – Contract Data Requirements Lists

CDS – CCSDS Day Segmented code

CE – Conducted Emissions

CELAS – Finite Element type

CFR – Code of Federal Regulations

CGP – Chassis Ground Plane

CG – Center of Gravity c.g. – Center of Gravity

CIL – Critical Items List

CISO – Chief Information Security Officer

CLA – Coupled Loads Analysis

CLTU – Communications Link Transmission Unit

CLTUs – Communications Link Transmission Units

CM – Configuration Management

CM – Center of Mass

CM – Common Mode cm – Centimeter cm2 – Square Centimeter

CMCE – Conducted Emissions, Common Mode

CMCS – Conducted Susceptibility, Common Mode

CMD – Command

CMMC – Cybersecurity Maturity Model Certification

CMO – Configuration Management Office

CO – Contracting Officer

COLA – Collision Avoidance

COMSEC – Communications Security

COP – Communication Operation Procedure

COR – Contracting Officer’s Representative

COR – Central Office of Record

COTS – Commercial-Off-the-Shelf

CPARS – Contractor Performance Annual Reporting System

CPF – Calibration Parameter Files

CPS – Candidate Protection Strategy

CPT – Comprehensive Performance Test

CPU – Central Processing Unit

CRC – Cyclic Redundancy Codes

CS – Conducted Susceptibility

CSA – Commissioning Support Area

CSA – COMSEC Service Authority

CSCI – Computer Software Configuration Item

CSO – Chief Safety Mission Assurance Officer

CSP – COMSEC Security Plan

CTE – Calibration Test Equipment

CTE – Compatibility Test Equipment

CTP – Command and Telemetry Processor

CTPs – Command and Telemetry Processors

CTSS – Command and Telemetry Simulation System

CUI – Controlled Unclassified Information d – Day

5.0 D

DACA – Days after contract award

DB – Database dB – Decibels dBµV/m – Decibel Microvolts per meter dB/K – Decibels per Kelvin dBW – Decibels above 1 Watt

DC – Direct Current

DCSA – Defense Counterintelligence and Security Agency

DDD – Displacement Damage Dose deg – Degree

DID – Data Item Descriptions

DIDs – Data Item Descriptions

DIL – Deliverable Items List

DITL – Day-in-the Life

DM – Differential Mode

DOD – Domestic Object Debris

DOD – Depth of Discharge

DOF – Degrees of Freedom

DOI – Department of the Interior

DOORS – Dynamic Object-Oriented Requirements System

DPAS – Data Processing and Archive System

DRC – Design Reference Case

DRC-18 – Design Reference Case - 18

DRD – Description of Required Data

DRD – Data Requirements Description

DRDs – Data Requirements Description

DTM – Displacement Transformation Matrix

6.0 E

E2E – End-to-End

EAR – Export Administration Regulations e/cm2 – Electrons per Centimeter Squared

ECS – Environmental Control System

ECSS – European Cooperation for Space Standardization

ECP – Engineering Change Proposal

ECPs – Engineering Change Proposals

EDAC – Error Detection and Correction

EDACs – Error-Detection and Correction Codes

EEE – Electrical, Electronic, and Electromechanical

EEPROM – Electrically Erasable Programmable Read-Only Memory

EGSE – Electrical Ground Support Equipment

EIA – Electrical Industries Association

EIDP – End Item Data Package

EIRP – Equivalent Isotropic Radiated Power

EKMS – Electronic Key Management System

EM – Engineering Model

EMC – Electromagnetic Compatibility

EMF – Electromotive Force

EMI – Electromagnetic Interference

EMI/EMC – Electromagnetic Interference / Electromagnetic Compatibility

EMISM – Electromagnetic Interference (EMI) Safety Margin

EMITR – EMI Test Report

EO – Executive Order

EO – Earth Observing

EOE – End of Earth (Scan)

EOL – End of Life

EOMP – End of Mission Plan

EPR – Engineering Peer Review

EPRs – Engineering Peer Reviews

ERD – Environmental Requirements Document

ERN – Effective radiation node

EROS – Earth Resources Observation and Science

ERTS – Earth Resources Technology Satellite

ESD – Earth Science Division

ESD – Electrostatic Discharge

ESP – Emission of Solar Protons

ETU – Engineering Test Unit

EUT – Equipment Under Test

7.0 F

f – Frequency

FAR – Federal Acquisition Regulation

FAT – Factory Acceptance Test

FD – Flight Dynamics

FDF – Flight Dynamics Facility

FEM – Finite Element Model

FEMs – Finite Element Models

FFP – Firm Fixed Price

FIFO – First In First Out

FIPS – Federal Information Processing Standard

FIS – Federal Information System

FISMA – Federal Information Security Modernization Act

FLUINT – Fluid Integrator

FM – Fault Management

FMECA – Failure Modes and Effects Criticality Analyses

FMH – Free Molecular Heating

FOD – Foreign Object Debris

FOR – Flight Operations Review

FOR – Field of Regard

FOT – Flight Operations Team

FOV – Field of View

FOVs – Fields of View

FPA – Focal Plane Array

FPGA – Field Programmable Gate Array

FPGAs – Field Programmable Gate Arrays

FRB – Failure Review Board

FRR – Flight Readiness Review

FS – Factor of Safety

FSk – Known Torque Factor of Safety

FSv – Variable Torque Factor of Safety

FSW – Flight Software

8.0 G

g – Gravitational Acceleration

GB – Gigabyte

Gbps – Gigabits per second

GCM – Galois/Counter Mode

GCR – Galactic Cosmic Ray

GCRs – Ground Contact Requests

GDAL – Ground Directed Activity List

GEB – Geometric Error Budget

GEO – Group on Earth Observations

GEVS – General Environmental Verification Standard

GFE – Government Furnished Equipment

GFP – Government-Furnished Property

GHz – Gigahertz

GIDEP – Government-Industry Data Exchange Program

GMIPs – Government Mandatory Inspection Points

GMM – Geometric Math Model

GN2 – Gaseous Nitrogen

GN – Ground Network

GNC – Guidance and Navigation, and Control

GN&C – Guidance, Navigation and Control

GNSS – Global Navigation Satellite Systems

GOLD – Goddard Open Learning Design

GOP – Ground Operation Plan

GOTS – Government-Off-the-Shelf

GOWG – Ground Operations Working Group

GPR – GSFC Procedural Requirements

GPS – Global Positioning System

Grms – Root Mean Square of the Acceleration

GRT – Ground Readiness Test

GRTs – Ground Readiness Test g’s – Gravitational Acceleration

GS – Ground System

GSE – Ground Support Equipment

GSFC – Goddard Space Flight Center

GSSIR – Ground System to Spacecraft Integration Test Rack

GSSIRs – Ground System to Spacecraft Integration Test Racks

G/T – Gain-to-Noise Temperature (dB)

9.0 H

HDBK – Handbook

HGS – Hallway Ground Station

HK – Housekeeping

HLS – Harmonized Landsat Sentinel-2

Hr – Hour

HVIT – Hypervelocity Impact Technology

HVTL – Hazard Verification Tracking Log

Hz – Hertz

10.0 I

IAT – International Atomic Time

IBF – Install Before Flight

IC – International Cooperator

ICs – International Cooperators

IC – Integrated Circuit

ICD – Interface Control Document

ICDs – Interface Control Documents

ICT – Information and Communication Technology

ID – Identification

IDs – Identifications

IDD – Interface Design Document

IEEE – Institute of Electrical and Electronics Engineers

I/F – Interface

IF – Intermediate Frequency

IFD – in-flight disconnect

IMAR – Instrument Mission Assurance Requirements

IMS – Integrated Master Schedule

IMSC – Instrument Mounted Spacecraft Components in – Inch in-oz – Inch-Ounce

I/O – Input/Output

IOT – Integrated Onboard Timeline

IP – Intellectual Property

IPMR – Integrated Program Management Report

IR – Infrared

IRCP – Ionizing Radiation Control Plan

IRD – Interface Requirements Document

IRU – Inertial Reference Unit

IRUs – Inertial Reference Units

ISSE – Information System Security Engineer

ISO – Information System Owner

ISO – International Standards Organization

ISS – Steady-State Load Current

ISSO – Information System Security Officer

I&T – Integration and Test

IT – Information Technology

ITAR – International Traffic in Arms Regulations

ITO – Indium Tin Oxide

ITS – IT Security

ITU – International Telecommunication Union

11.0 J

JIT – Just-in-Time

JPEG – Joint Photographic Experts Group

JPL – Jet Propulsion Laboratory

JSC – Johnson Space Center

JTAG – Joint Test Action Group

12.0 K

K – Kelvin

KaM – Ka-Band Modulator kbps – Kilobits per Second

KDPs – Key Decision Points

Kg – Kilogram kg – Kilogram kHz – Kilohertz km – Kilometer

KMP – Key Management Plan k-Ohm – Kiloohm kOhms – Kiloohms

13.0 L

L – Launch

L1 – GPS Frequency Level (L-Band 1575.42 MHz)

L1 – Level 1

L2 – GPS Frequency Level (L-Band 1227.60 MHz)

L8 – Landsat 8

L9 – Landsat 9

L10 – Landsat 10

LAI – Leaf Area Index

LAMMD – Landsat 10 Analytical Math Models Definitions

LandIS – Landsat Instrument Suite lb – Pound

LCC – Life Cycle Cost

LCR – Long Term Acquisition Plan (LTAP) Collection Request

LCRs – Life Cycle Reviews

LDB – Local Database

LDCM – Landsat Data Continuity Mission

LDPC – Low-Density Parity Check

LEO – Low Earth Orbit

LEO&A – Launch, Early Orbit, & Activation

LEOC – Launch Early Orbit and Commissioning

LET – Linear Energy Transfer

LETth – Linear Energy Transfer Threshold

LGN – Landsat Ground Network

LHCP – Left-Hand Circularly Polarized

LIRD – LandIS Interface Requirements Document

LIS – LandIS Interface Simulator

LMOC – Landsat Mission Operations Center

LNERD – Landsat Next Environmental Requirements Document

LNext – Landsat Next

LOC – Loss of Clearance

LOpS – LandIS Operations Simulator

LOM – Linear Optical Model

LOM – Life of Mission

LOS – Line of Sight

LOS – Loss of Signal

LPT – Limited Performance Tests

LRD – Launch Readiness Date

LRDs – Launch Readiness Dates

LRR – Launch Readiness Review

LSC – Launch Services Contractor

LSDS – Landsat Satellite Data System

LSERD – Landsat 10 Space Environments Requirements Document

LSIDD – Launch Services Interface Description Document

LSIRD – Launch Services Interface Requirements Document

LSP – Launch Services Program

LSP – Launch Services Provider

LSS – Launch Services Segment

LSSP – Launch Site Support Plan

LST – Landsat Surface Temperature

LSTO – Launch Service Task Order

LTAP – Long Term Acquisition Plan

LTM – Loads Transformation Matrix

LV – Launch Vehicle

LVC – Launch Vehicle Contractor

LVICD – Launch Vehicle Interface Control Document

LV ICD – Launch Vehicle Interface Control Document

LVIS – Launch Vehicle Interface Simulator

LVRR – Launch Vehicle Flight Readiness Review

LV-GSE – Launch Vehicle-Ground Support Equipment

14.0 M

m – Meter m2 – Meters squared m^3 – Meters cubed m/sec – Meters per second

M-SIM – Mission Simulators

MAC – Mass Acceleration Curve

MAIP – Mission Assurance Implementation Plan

MAR – Mission Assurance Requirement

Max – Maximum

Mbps – Megabits per Second

MBU – Multiple Bit Upset

MBUs – Multiple Bit Upset

MCDR – Mission Critical Design Review

MD – Mission Data

MDF – Mission Data File

MDFs – Mission Data Files

MDR – Mission Definition Review

MDWG – Mission Data Working Group

MEOP – Maximum Expected Operating Pressure

MEOT – Maximum Expected Operating Temperature

MeV – Mega Electron-Volt

MeV-cm2/mg – Mega Electron-Volt centimeter squared per milligram

MHz – Megahertz

MIL – Military

Min – Minimum min – Minimum min – Minute

Mini-DRC – Mini Design Reference Case

MIPs – Mandatory Inspection Points

MIUL – Materials Identification and Usage List

MIWG – Mission Integration Working Group

MLI – Multi-Layer Insulation

MLT – Mean Local Time mm – Millimeter

MMOD – Micrometeoriod and Orbital Debris

MMPDS – Metallic Materials Properties Development and Standardization

MOC – Mission Operations Center

MODIS – Moderate Resolution Imaging Spectroradiometer

MOR – Mission Operations Review

MoS2 – Molybdenum Disulfide

MOSFETs – Metal Oxide Semiconductor Field Effect Transistors

MOTS – Modified-Off-the-Shelf

MP – Mission Payload

MPE – Maximum Predicted Environment

MPEG – Movie Picture Experts Group

MPC – Multiple Point Constraint

MPDR – Mission Preliminary Design Review

MPSR – Monthly Project Status Review

MPSRs – Monthly Project Status Reviews

MR – Management Reserve

MRB – Material Review Board

MRT – Mission Readiness Testing

MRTs – Mission Readiness Tests ms – Millisecond

MS – Mass Spectrometer

MS – Microsoft

MSD – Mass Storage Device msec – Milliseconds

MSFC – Marshall Space Flight Center

MSim – Mission Simulations

MTHR – Mission Transition and Handover Review

MUA – Materials Usage Agreement

MUAs – Materials Usage Agreements

MUF – Model Uncertainty Factor

MUT – Mission Unique Tool

15.0 N

N/A – Not Applicable

NASA – National Aeronautics and Space Administration

NASCAP – NASA/Air Forces Spacecraft Charging Analyzer Program

NASTRAN – NASA Structural Analysis

NBAR – Nadir BRDF Adjusted Reflectance

NCRs – Non-Conformance Reports

NDA – Non-Disclosure Agreement

NDE – Non-Destructive Examination

NFS – National Federal Acquistion Regulation Supplement

NDVI – Normalized Difference Vegetation Index

NEN – Near Earth Network

NENUG – Near Earth Network Users' Guide

NFS – NASA FAR Supplement

NIEL – Non-Ionizing Energy Loss

NIR – Near Infrared

NIST – National Institute for Standards and Technology

NLT – No later than

NLT – No less than

N-m – Newton meter

No – Number

NOOP – No Operation

NPD – NASA Policy Directive

NPR – NASA Procedural Requirement

NRT – Network Readiness Test

NSLRSDA – National Satellite Land Remote Sensing Data Archive

NSN – Near Space Network

NSA – National Security Agency

NTIA – National Telecommunications and Information Administration

NTE – Not To Exceed

NVM – Non-Volatile Memory

16.0 O

OAR – On-Orbit Acceptance Review

OASPL – Overall Sound Pressure

OBB – On-Board Black Body

OBC – On-Board Calibrator

OBS – Observatory

ObsERD – Landsat 10 Observatory Environmental Requirements Document

ObsERD – Observatory Environmental Document oct – Octave

OD – Orbit Determination

ODAR – Orbital Debris Assessment Report

ODPO – Orbital Debris Protection Office

OIRR – Observatory Integration Readiness Review

ORR – Operational Readiness Review

ORSAT – Object Reentry Survival Analysis Tool

OMB – Office of Management and Budget

OML – Outer Mold Line

OO – Orbit Operations

OOpS – Observatory Operations Simulators

OPS – Office of Protective Services

OpsCon – Operations Concept

OPVE – Operations Product Validation Exercises

OQPSK – Offset Quadrature Phase Shift Keying (QPSK)

ORDEM – Orbital Debris Engineering Model

ORSAT – Object Reentry Survival Analysis Tool

ORR – Operational Readiness Review

OSS – Open Source Software

OSHA – Occupational Safety & Health Act

OPM – Orbital Parameters Message

Ops – Operations

OTM – Output Transformation Matrix

17.0 P

p/cm2 – Protons per centimeter squared p/cm2/s – Protons per centimeter squared per second

P&S – Planning and Scheduling

Pa – Pascal

PAC – Percent Area Coverage

PAFs – Payload Attach Fittings

PB – playback

PCB – Parts Control Board

PCB – Printed Circuit Board

PCI – Peripheral Component Interconnect

PCI – Project-Level Critical Item

PCP – Parts Control Plan

PDF – Portable Document Format

PDR – Preliminary Design Review

PDR2 – Preliminary Design Review 2

PER – Pre-Environmental Review

PFR – Problem Failure Record

PGAA – Prompt Gamma Activation Analysis

PGAAs – Prompt Gamma Activation Analysis

PG – Procedures and Guidelines

PIR – Program Information Release

PLA – Payload Adapter

PLF – Payload Fairing

PLAR – Post-Launch Assessment Review

PPIRS – Past Performance Information Retrieval System

PM – Project Management

PM – Project Manager

POAM – Preliminary Plan of Action and Milestones pp – Pages

PPF – Payload Processing Facility ppm – Parts Per Million

PPP – Project Protection Plan

PPP – Part Production Plan

PPS – Pulses Per Second

PROM – Programmable Read-Only Memory

PSD – Power Spectral Density

PSR – Pre-Shipment Review

PSWG – Payload Safety Working Group

PTC – Passive Thermal Control

18.0 Q

QA – Quality Assurance

QASP – Quality Assurance Surveillance Plan

QPSK – Quadrature Phase Shift Keying

19.0 R

RAM – Random Access Memory rad/sec – Radians per Second

RBF – Remove Before Flight

RD – Requirements Document

RE – Radiated Emissions

REF – Reference

Reqt – Requirements

Rev – Revision

RF – Radio Frequency

RFI – Radio-Frequency Interference

RH – Relative Humidity

RHAP – Radiation Hardness Assurance Program

RHCP – Right-hand Circularly Polarized

RMS – Root Mean Square

ROM – Read-Only Memory

RPP – Reliability Program Plan

RS – Radiated Susceptibility

RS – Reed-Solomon

RTOS – Real-Time Operating System

RTS – Relative Time Command Sequences

RV – Random Vibration

RVS – Response Versus Scan

20.0 S

S2 – Sentinel 2

SA – Systems Assurance

SAE – Software Assurance Engineer

SAP – Software Assurance Plan

SAR – System Acceptance Review

SAS – Solar Array Simulator

SAT – Simulator Acceptance Test

SBLA – Shield Ballistic Limit Analysis Program

SBOM – Software Bill of Materials

SBU – Single-Bit Upset

S/C – Spacecraft

SC – Spacecraft

SC DIL – Spacecraft Deliverable Items List

SC IRD – Spacecraft Interface Requirements Document

SCIRD – Spacecraft Interface Requirements Document

SC GFE – Spacecraft Government Furnished Equipment

SC-GND ICD – Spacecraft to Ground Interface Control Document

SC-GND IRD – Spacecraft to Ground Interface Requirements Document

SC-LandIS ICD – Spacecraft to Landsat Instrument Suite (LandIS) Interface Control Document

SC MAR – Spacecraft Mission Assurance Requirements

SCMAR – Spacecraft Mission Assurance Requirements

SCRM – Supply Chain Risk Management

SCR – Special Collection Request

SCRs – Special Collection Requests

SC Sim RD – Spacecraft Simulator Requirements Document

SC SIM RD – Spacecraft Simulator Requirements Document

SC SOW – Spacecraft Statement of Work

SCT – Stored Command Table

SDD – Software Architectural and Detailed Design Description

SDP – Safety Data Package

SDVF – Software Development and Verification Facility

SE – Systems Engineering

SEB – Single-Event Burnout

SEBs – Single-Event Burnouts sec – Second

SEDR – Single-Event Dielectric Rupture

SEDRs – Single-Event Dielectric Ruptures

SERDES – Serializer/Deserializer

SEE – Single-Event Effects

SEECA – Single-Event Effect Criticality Analysis

SEFI – Single-Event Functional Interrupt

SEGR – Single-Event Gate Rupture

SEGRs – Single-Event Gate Ruptures

SEL – Single-Event latch-up

SELs – Single-Event latchups

SEM – Scanning Electron Microscope

SERD – Space Environments Requirements Document

SET – Systems Engineering Team

SET – Single-Event Transient

SETs – Single-Event Transients

SEU – Single-Event Upset

SEUs – Single-Event upsets

SFCG – Space Frequency Coordination Group

SGNIWG – Space to Ground & Network Interface Working Group

SHE – Single-Event Hard Error

SHEs – Single-Event Hard Errors

SI – International System of Units

SIR – System Integration Review

SINDA – Systems Improved Numerical Differencing Analyzer

SINDA/FLUINT – Systems Improved Numerical Differencing Analyzer/Fluid Integrator

SLA – Service Level Agreement

SLE – Space Link Extension

SLI – Sustainable Land Imaging

SM – Software Manager

SMA – Safety and Mission Assurance

SMAP – Safety and Mission Assurance Plan

SMDP – Software Management and Development Plan

SMSR – Safety and Mission Success Review

SMTF – Synch-Marked Transfer Frames

SN – Space Network

SNR – Signal-to-Noise Ratio

SNUG – Space Network Users' Guide

SOC – Simulations Operations Center

SOE – Start of Earth (Scan)

SoftSim – Software Simulator

SOH – State of Health

SOPS – Spacecraft Operational Simulator

SOpS – Spacecraft Operations Simulator

SORT – Spacecraft Operations Readiness Test

SOW – Statement of Work

SpCRs – Special Command Requests

SpCR – Special Command Requests

SPF – Single-Point Failure

SPG – Single-Point Ground

SPVM – System Performance Verification Matrix

SPVP – System Performance Verification Plan

SQPSK – Staggered Quadrature Phase Shift Keying (QPSK)

SR – Surface Reflectance

SRD – Spacecraft Requirements Document

SRR – System Requirements Review

SRS – Shock Response Spectrum

SRS – Software Requirements Specification

SS – Space System

SSA – S-Band Single Access

SSL – Secure Socket Layer

SSOH – Stored State of Health

SSPP – System Safety Program Plan

SSR – Solid State Recorder

STD – Standard

STEP – Structural Configuration Solid Models

STOP – Structural/Thermal/Optical Performance

STR – Software Test Reports

SUM – Spacecraft User Manual

SUROM – Startup Read-Only Memory

SV – Space View

SV & ATP – Simulator Verification and Acceptance Test Plan

SWIR – Short Wave Infrared

21.0 T

T – Time

TA – Technical Authority

TAA – Technical Assistance Agreement

TAI – Temps Atomique Internationale

TB – Terabyte

TBC – To Be Confirmed

TBD – To Be Determined

TBR – To Be Resolved/Revised

TBS – To Be Scheduled/Supplied

TC – Telecommand

TCP/IP – Transmission Control Protocol/Internet Protocol

TD – Thermal Desktop

TDI – Time-Delay Integration

TDRS – Tracking and Data Relay Satellite

TDRSS – Tracking and Data Relay Satellite System

TES – Thermal-emissivity Separation

TID – Total Ionizing Dose

TIM – Technical Interchange Meeting

TIMs – Technical Interchange Meetings

TIR – Thermal Infrared

TLM – Telemetry

T/M – Telemetry

TM – Test Monitor

TM – Torque Margin

TM – Technical Memorandum

TML – Total Mass Loss

TMM – Thermal Math Model

TMON – Telemetry Monitor

TMONs – Telemetry Monitors

TOD – Time of Day

Torr – Torricelli, Unit of pressure, where 1 Torr = 101,325/ 760 Pascals

TPM – Technical Performance Measure

TPMs – Technical Performance Metrics

TQCM – Temperature-Controlled Quartz Crystal Microbalance

TR – Technical Report

Tr – Resistive Torque

TRL – Technology Readiness Level

TRR – Test Readiness Review

TRRs – Test Readiness Reviews

TVAC – Thermal Vacuum

TWITL – Total WRS-3 in the Life

22.0 U

UAR – Update As Required

UHF – ultra-high frequency urad – microradians

U.S. – United States

USGS – United States Geological Survey

UTC – Universal Time Coordinated

UUT – Unit Under Test

23.0 V

V – Volts

VAC – Volts Alternating Current

VAR – Variance Analysis Report

Val – Validation

VC – Virtual Channel

VCDU – Virtual Channel Data Unit

VCDUs – Virtual Channel Data Units

VDA – Vapor Deposited Aluminum

VDC – Volts Direct Current

VDD – Version Description Document

Vel. – Velocity

V/m – Volts per Meter

VNIR – Visible and Near Infrared

Vol. – Volume

VSWIR – Visible through Short Wave Infrared

VTL – Verification Tracking Log

VTOC – Volume Table of Contents

V&V – Verification and Validation

24.0 W

W – Watts

WAN – Wide-Area Network

WDC – Wideband Data Capture

WG – Working Group

WGS84 – World Geodetic System 1984, as defined by NIMA TR8350.2

WI – Work Instruction

WRS – Worldwide Reference System

WRS-1 – Worldwide Reference System-1

WRS-2 – Worldwide Reference System-2

WRS-3 – Worldwide Reference System-3

WSTF – White Sands Test Facility

25.0 X

XML – Extensible Markup Language

XOR – Exclusive OR

XTCE – Telemetry and Command Exchange