LNEXT-MGMT-DESC-0006 Rev- LNext Common Acronyms 20230105.pdf

LNext Common Acronyms List LNEXT-MGMT-DESC-0006 Revision -ii

Landsat Next Common Acronyms List

Signature/Approval Page

Prepared by:

Electronic Signature in TDMS

01/05/2023 Andrew McLennan Date Landsat Next Requirements Manager NASA/GSFC, Code 426

Approved by:

Dawn Sierfeld Date Landsat Next Digital Process Engineering Manager

Approved by:

Dorothy Wertz Date Landsat Next Lead Digital Process Engineer iii

CM Foreword This document is a Landsat Next Project Signature Controlled document. Changes to this document require prior approval via a Signature Controlled Change Request (SCoRe). Proposed changes shall be submitted to the Landsat Next Configuration & Data Management Office, along with supportive material justifying the proposed change. Changes to this document will be made by complete revision.

Questions or comments concerning this document should be addressed to:

NASA/Goddard Space Flight Center Landsat Next Project Office, Code 426 Attention: Configuration & Data Management Office Greenbelt, Maryland 20771 iv

Change History Log Revision Effective Date Description of Changes

- 01/05/2023 LNEXT-SCoRe-0002 - Draft LandIS RFP Baseline – Initial Release v

Table of Contents SIGNATURE/APPROVAL PAGE ................................................................................................ II

CM FOREWORD ..........................................................................................................................III

CHANGE HISTORY LOG .......................................................................................................... IV

TABLE OF CONTENTS ................................................................................................................ V

LIST OF FIGURES ...................................................................................................................... VI

LIST OF TABLES ........................................................................................................................ VI

1.0 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

vi

List of Figures No table of contents entries found.

List of Tables No table of contents entries found.

1.0 NUMBERS AND SYMBOLS

@ – At

1/m – Per meter

º – Degree

ºC – Degrees Centigrade

# – Number µm – Micrometer µrad – Microradian

% – Percent

1/f – One over the frequency, in the context of radiometric noise

2.0 A

A&A – Archive and Access

ABCs – Agency Baseline Commitments

ABPL – As-Built Parts Lists

Accel. – Acceleration

ACS – Attitude Control System

ADC – Analog-to-Digital

ADD – Algorithm Description Documents

ADDs – Algorithm Description Documents

ADPE – Automated Data Processing Equipment

ADPL – As-Design Parts Lists

AES – Advanced Encryption Standard

AETD – Applied Engineering and Technology Directorate

AFB – Air Force Base

AFSPCMAN – Air Forces Space Command Manual

AFT – allowable flight temperature

AGS – Alaska Ground Station

AI&T – Assembly, Integration, and Test

ALI – Advanced Land Imager am – Ante Meridian

AMCP – Additive Manufacturing Control Plan

Amps – Ampere

ANSI – American National Standards Institute

AO – Atomic Oxygen

AOCS – Attitude and Orbit Control System

AOS – Acquisition of Signal

APART – Arizona's Paraxial Analysis of Radiation Transfer

APID – Application Process Identifier

APMC – Agency Program Management Council

AQPSK – Asynchronous Quadrature Phase Shift Keying (QPSK)

AR – Anomaly Reports

ARB – Anomaly Review Board

ARD – Analysis Ready Data

Arel – Relative Amplitude

Arelmax – Maximum Amplitude Level

ASAP – Advanced Systems Analysis Program

ASCII – American Standard Code for Information Interchange

ASIC – Application-Specific Integrated Circuit

ASNT – American Society of Nondestructive Testing

ASM – Acquisition Strategy Meeting

AST – Architecture Study Team

ASTER – Advanced Spaceborne Thermal Emission and Reflection Radiometer

ASTM – American Society for Testing and Materials

ATM – Acceleration Transformation Matrix

ATP – Authorization To Proceed

ATRR – Acceptance Test Readiness Review

Avg – Average

AVI – Audio Video Interleave

3.0 B

BC – Bus Controller

BCRs – Budget Change Requests

BER – Bit error rate

BiCMOS – Bipolar Junction Transistor in a Complementary Metal-Oxide Semiconductor

BIST – Built-In-Self-Test

BLE – Ballistic Limit Equations

BLM – Bureau of Land Management bLMOC – Backup LMOC

BOB – Break-out-Boxes

BOE – Basis of Estimate

BOL – Beginning of Life

BPSK – BiPhase Shift Keying

BRDF – Bidirectional Reflectance Distribution Function

BTE – Bench Test Equipment

BTP – Build-to-Print

4.0 C

C – Centigrade

C&DH – Command and Data Handling

C&T – Command and Telemetry

CA – Conjunction Assessment

CA – California

CAD – Computer-Aided Design

CADRe – Cost Analysis Data Requirement

Cal – Calibration

Cal/Val – Calibration and Validation

CARA – Conjunction Assessment Risk Assessment

CBAR – Finite Element Type

CBE – Current Best Estimates

CCB – Configuration Control Board

CCE – Cryo-Cooler Electronics

CCHP – Constant Conductance Heat Pipes

CCP – Contamination Control Plan

CCR – Configuration Change Request

CCRs – Configuration Change Requests

CCSDS – Consultative Committee on Space Data Systems

CD – Compact Disc

CDC – Commodities & Risk Assurance Engineer

CDF – Capatilization Determination Form

CDL – Controlled Document List

CDR – Critical Design Review

CDRL – Contract Data Requirements List

CDRLs – Contract Data Requirements Lists

CE90 – Circular Error with 90% Confidence

CE – Conducted Emissions

CELAS – Finite Element type

CFDP – Consultative Committee on Space Data Systems (CCSDS) File Delivery Protocol

CFR – Code of Federal Regulations cg – Center of Gravity

CGP – Chassis Ground Plane c.g. – Center of Gravity

ChKur – Chance-Kurucz cm2 – Square Centimeters

CIL – Critical Items List

CIIL – Configuration Item Identification List

CLA – Coupled Loads Analysis

CM – Configuration Management

CM – Center of Mass

CMBCE – Common Mode Bulk Cable Emission

CMC – Center Management Council

Cmd – Command

CMN – Common Mode Noise

CMO – Configuration Management Office

CN – Coherent Noise

CO – Contracting Officer

COI – Conflict of Interest

CONUS – Contiguous United States

COMSEC – Communications Security

COOP – Continuity of Operations Planning

COP – Communication Operation Procedure

COR – Contracting Officer’s Representative

COSMOS – Computer System for Mainframe OperationS

COTS – Commercial-Off-the-Shelf

CPAF – Cost Plus Award Fee cPCI – Compact Peripheral Component Interface

CPIF – Cost Plus Incentive Fee

CPL – Capillary Pumped Loops

CPS – Candidate Protection Strategies

CPT – Comprehensive Performance Test

CPU – Central Processing Unit

CRAE – Command and Telemetry

CRC – Cyclic Redundancy Codes

CRM – Continuous Risk Management

CS – Conducted Susceptibility

CSA – Commissioning Support Area

CSCIs – Computer Software Configuration Items

CSO – Chief Safety Mission Assurance Officer

CSpOC – Combined Space Operations Center

CTE – Calibration Test Equipment

CTE – Compatibility Test Equipment

CTP – Command and Telemetry Processor

CTSS – Command and Telemetry Simulation System

CUI – Controlled Unclassified Information

CV – Cal/Val

CVCM – Collected Volatile Condensable Material

CVT – Calibration/Validation Team

CVTK – Calibration Validation Toolkit

CW – Continuous Wave

5.0 D

DA – Decision Authority

DAC – Digital-to-Analog

DAM – Data Acquisition Manager dB – Decibels dBuA – Decibel (dB) Micro-Amps dB/K – Decibels per Kelvin dBW – Decibels above 1 Watt

DC – Direct Current

DCMA – Defense Contract Management Agency

DDD – Displacement Damage Dose

Deg. – degree deg – Degree

DE&I – Diversity, Equity, and Inclusion

DEM – Digital Elevation Model

DEMs – Digital Elevation Models

DFCB – Data Format Control Book

DHP – Diode Heat Pipes

DID – Data Item Descriptions

DITL – Day-in-the Life

D/L – Downlink

DM – Differential Mode

DMUs – Drag Makeup Maneuvers

DN – Digital Number

DOF – Degrees of Freedom

DOI – Department of the Interior

DoLP – Degree of Linear Polarization

DOWD – Differenced One Way Doppler

DPAS – Data Processing and Archive System

DPE – Digital Process Engineering

DPM – Deputy Project Manager

DPMC – Directorate Program Management Council

DPMR – Deputy Project Manager for Resources

DRC – Design Reference Case

DRD – Description of Required Data

DRDS – Data Requirements Description

DTM – Displacement Transformation Matrix

DVD – Digital Versatile Disc

6.0 E

E2E – End-to-End

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

ECI – Earth-Centered Inertial

ECSS – European Cooperation for Space Standardization

EDAC – Error Detection and Correction

EDACs – Error-Detection and Correction Codes

EDU – Engineering Development Unit

EED – Electro-Explosive Device

EEE – Electrical, Electronic, and Electromechanical

EEPROM – Electrically Erasable Programmable Read-Only Memory

EGSE – Electrical Ground Support Equipment

EHD – Elastohydrodynamic

EIA – Electrical Industries Association

EIRP – Equivalent Isotropic Radiated Power

ELDRS – Enhanced Low-Dose-Rate Sensitivity

ELV – Expendable Launch Vehicle

EMC – Electromagnetic Compatibility

EMCPP – EMC Control Plan

EMF – Electromotive Force

EMI – Electromagnetic Interference

EMITR – EMI Test Report

EOC – End of Charge

EOL – End of Life

EOM – End of Mission

EOMP – End of Mission Plan

EOS – Earth Observing System

EPA – Environmental Protection Agency

EPO – Education and Public Outreach

EPR – Engineering Peer Review

EPRs – Engineering Peer Reviews

ERB – Engineering Review Board

ERD – Environmental Requirements Document

ERN – Effective radiation node

EROS – Earth Resources Observation and Science

ERP – Engineering Peer Review

ERTS – Earth Resources Technology Satellite

ESD – Earth Science Division

ESD – Electrostatic Discharge

ESM – Earth Systematic Missions

ESMO – Earth Science Mission Operations

ESP – Emission of Solar Protons

ESS – Environmental Stress Screening

ESTO – Earth Science Technology Office

ETM+ – Enhanced Thematic Mapper Plus

ETR – Eastern Test Range

ETUs – Engineering Test Units

EU – European Union

EVM – Earned Value Management

EVS – Earned Value System

7.0 F

f# – <definition needed> f – Frequency

FA – Formulation Agreement

FAD – Formulation Authorization Document

FAR – Federal Acquisition Regulation

FCA – Functional Configuration Audit

FD – Flight Dynamics

FD&C – Fault Detection and Correction

FDC – Fault Detection and Correction

FDF – Flight Dynamics Facility

FEM – Finite Element Model

FFP – Firm Fixed Price

FFR – Flight Readiness Review

FIA – Final Implementation Agreement

FIPS – Federal Information Processing Standard

FLSC – Flexible Linear Shaped Charge

FLUINT – Fluid Integrator

FMEA – Failure Modes and Effects Analysis

FMECA – Failure Modes and Effects Criticality Analyses

FOP – Flight Operations Procedure

FOQPSK – Quadrature Phase Shift Keying

FOR – Flight Operations Review

FOR – Field of Regard

FOT – Flight Operations Team

FOV – Field of View

FPA – Focal Plane Array

FPE – Focal Plane Electronics

FPEs – Focal Plane Electronics

FPGA – Field Programmable Gate Array

FPGAs – Field Programmable Gate Arrays

FPM – Focal Plane Module

FPS – Focal Plane System

FR – Failure Reports

FRB – Failure Review Board

FRM – Flight Readiness Manager

FRPMP – Flaw Remediation & Patch Management Plan

FRR – Flight Readiness Review

FS – Factor of Safety

FSy – Known Torque Factor of Safety

FSv – Variable Torque Factor of Saftey

FS&GS – Flight Systems and Ground Support

FSM – Flight Systems Manager

FSTL – Flight Support Team Lead

FSW – Flight Software

FTA – Fault Tree Analyses

FTIS – Fourier Transform Infrared Spectrometers

FWHM – Full Width Half Maximum

FWS – Fish and Wildlife Services

FY – Fiscal Year

8.0 G

GA – Geoscience Australia

Gbps – Gigabits per second

GC/MS – Gas Chromatographs/Mass Spectrometers

GCP – Ground Control Point

GCQA – Government Contract Quality Assurance

GCR – Galactic Cosmic Ray

GDMS – Goddard Document Management System

GEB – Landsat Next Geometric Error Budget

GEO – Group on Earth Observations

GEVS – General Environmental Verification Standard

GFE – Government-Furnished Equipment

GFOV – Glint-Free Field of View

GHz – Gigahertz

GIDEP – Government-Industry Data Exchange Program

GIS – Geographic Information System

GLAMR – Goddard Laser for Absolute Measurement of Radiance

GMIP – Government Mandatory Inspection Points

GMIPS – Government Mandatory Inspection Points

GMIPs – Government Mandatory Inspection Points

GMM – Geometric Math Model

GN2 – Gaseous Nitrogen

GN – Ground Network

GNE – Ground Network Element

GNUG – Ground Network Users' Guide

GOES – Geostationary Operational Environmental Satellite

GOLD – Goddard Open Learning Design

GOTS – Government-Off-the-Shelf

GPD – Goddard Policy Directive

GPR – GSFC Procedural Requirements

GPS – Global Positioning System

GRI – Global Reference Image

Grms – Root Mean Square of the Acceleration

GRT – Ground Readiness Testing g’s – Gravitational Acceleration

GS – Ground System

GSD – Ground Sampling Distance

GSE – Ground Support Equipment

GSFC – Goddard Space Flight Center

GSRD – Ground System Requirements Document

GSRT – GSFC Systems Review Team

GSRTs – GSFC Systems Review Teams

GSTDN – Ground Spacecraft Tracking and Data Network (STDN)

G/T – Gain-to-Noise Temperature (dB)

GUERAP – General Unwanted Energy Rejection Analysis Program

9.0 H

HAB – Harmful Algal Blooms

HDBK – Handbook

HDL – Hardware Description Language

HgCdTe – Mercury Cadmium Telluride

HGS – Hallway Ground Station

HGSs – Hallway Ground Stations

H/K – Housekeeping

Hr – Hour

HSSDB – High-Speed Science Data Bus

HQ – NASA/Headquarters

HVIT – Hypervelocity Impact Technology

HVTL – Hazard Verification Tracking Log

Hz – Hertz

10.0 I

IAA – Interagency Agreement

IAS – Image Assessment System

IBF – Install Before Flight

IBR – Independent Baseline Review

IC – International Cooperator

IC – Intergrated Circuits

ICs – International Cooperators

ICD – Interface Control Document

ICDR – Instrument Critical Design Review

ICDs – Interface Control Documents

ID – Identification

IDD – Interface Design Document

IDs – Identifications

IEEE – Institute of Electrical and Electronics Engineers

I/F – Interface

IFOV – Instantaneous Field of View

IIBR – Instrument Integrated Baseline Review

IIRR – Instrument Integration Readiness Review

IMAR – Instrument Mission Assurance Requirements

IMS – Integrated Master Schedule

IMSC – Instrument mounted spacecraft components

IMT – Integration Mission Timeline in – Inches in-oz – Inches-Ounce

I/O – Input/Output

IOC – Initial Operational Capability

IOS – Instrument Operational Simulator

IPDR – Instrument Preliminary Design Review

IPER – Instrument Pre-Environmental Review

IPMRs – Integrated Program Management Reports

IPSR – Instrument Pre-Ship Review

IR – Infrared

IRCP – Ionizing Radiation Control Plan

IRD – Interface Requirements Document

IRU – Inertial Reference Unit

ISA – Interconnection Security Agreement

ISAC – Integrated Security Architecture Council

ISAR – Instrument Safety Assessment Report

ISO – International Standards Organization

ISP – Internet Service Provider

ISRR – Instrument System Requirements Review

ISS – Steady-State Load Current

I&T – Integration and Test

IT – Information Technology

ITAR – International Trade in Arms Regulation

ITO – Indium Tin Oxide

ITU – International Telecommunication Union

IUS – Inertial Upper Stage

IV&V – Independent Verification and Validation

11.0 J

JASM – Joint Agency Strategy Meeting

JCL – Joint Cost and Schedule Confidence Level

JPEG – Joint Photographic Experts Group

JPL – Jet Propulsion Laboratory

JPRT – Joint Program Review Team

JSC – Johnson Space Center

JTAG – Joint Test Action Group

12.0 K

K – Kelvin kbps – Kilobits per Second

KDP – Key Decision Point

KDP-A – Key Decision Point A

KDP-B – Key Decision Point B

KDP-C – Key Decision Point C keV – Kilo-Electron Volts

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

KNPR – Kennedy Space Center (KSC) NASA Procedural Requirement kOhm (or k-Ohm) – Kiloohm kPa – Kilopascal

KPP – Key Performance Parameters krads – Kilorads krads-Si – <needs definition>

KSAT – Kongsberg Satellite Services

KSC – Kennedy Space Center

13.0 L

L1GT – Level 1 Systematic Terrain-Corrected

L1T – Level 1 Terrain

L1TP – Level 1 Terrain & Precision

L8 – Landsat 8

L9 – Landsat 9

LAG – Landsat Advisory Group

LAMMD – LNext Analytical Math Models Definitions

LandIS – Landsat Next Instrument Suite

LANDIS1 – Landsat Next Instrument Suite 1

LANDIS2 – Landsat Next Instrument Suite 2

LaRD – Landsat Next Instrument Suite Requirements Document lb – Pound

LB – Pound

LCC – Life Cycle Cost

LCR – Long Term Acquisition Plan (LTAP) Collection Request

LCRs – Life Cycle Reviews

LDCM – Landsat Data Continuity Mission

LDE – Lifting Devices and Equipment

LDPC – Low-Density Parity Check

L&EO – Launch and Early Orbit

LE90 – Linear Error with 90% Confidence

LEO – Low Earth Orbit

LEO&A – Launch, Early Orbit, & Activation

LEOP – Launch and Early Orbit Phase

LET – Linear Energy Transfer

LETth – Linear Energy Transfer Threshold

LEVR – LDCM or L9 Environmental Verification Requirements

LFAT – Landsat File Accounting Tool

LFCP – Lead-Free Control Plan

LGN – Landsat Ground Network

LGSOWG – Landsat Ground Station Operations Working Group

LHCP – Left-Hand Circularly Polarized

LHP – Loop Heat Pipes

LIRD – LandIS Interface Requirements Document

LIS – LandIS Interface Simulator

LIS – LNext Interface Simulator

Lmax – Maximum Radiance Level

Lmin – Minimum Radiance Level

LMM – Landsat Mission Manager

LN2 – Liquid Nitrogen

LNERD – Landsat Next Environmental Requirements Document

LNext – Landsat Next

LOC – Loss of Clearance

LOPS – LandIS Operations Simulator

LOpS – LandIS Operations Simulator

LoPS – LandIS Operations Simulator

L0Ra – Level 0 Reformatted Archive

L0Rp – Level 0 Reformatted Product

LOS – Line of Sight

LOS – Loss of Signal

LOS – LNext Operations Simulator

LPGS – Landsat Product Generation System

LPO – Landsat Project Office

LPT – Limited Performance Tests

LRD – Launch Readiness Date

Lref – Reference Radiance Levels

LRMB – Landsat Next Risk Management

LRR – Launch Readiness Review

LSCCP – Launch Site Contamination Control Plan

LSERD – Landsat Next Space Environments Requirements Document

LSIRD – Landsat 9 Launch Services Interface Requirements Document

LSP – Launch Services Program

LSP – Launch Services Provider

LSR – Launch Support Room

LSRD – Landsat Next Spacecraft Requirement Document

LSS – Launch Services Segment

LST – Landsat Science Team

LSTM – Land Surface Temperature Monitoring

LTAP-9 – Long Term Acquisition Plan-9

LTAP – Long Term Acquisition Plan

LTAP-Next – Landsat Next Long Term Acquisition Plan

LTWG – Landsat Technical Working Group

LTM – Loads Transformation Matrix

LV – Launch Vehicle

LVDS – Low-Voltage Differential Signal

LVFRR – Launch Vehicle Flight Readiness Review

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/sec – Meters per second

MA – Maine

MAC – Mass Acceleration Curve

MAIP – Mission Assurance Implementation Plan

MAR – Mission Assurance Requirement

Max – Maximum

Mbps – Megabits per Second

MBSE – Model-Based Systems Engineering

MBU – Multiple Bit Upset

MBUs – Multiple Bit Upset

MCDL – Master Controlled Document List

MCDR – Mission Critical Design Review

MCR – Mission Concept Review

MD – Maryland

MDF – Mild Detonating Fuse

MDL – Mission Design Lab

MDM – Mission Data Management

MDR – Mission Definition Review

MDS – MMO Database System

MEB – Main Electronic Box

MEOP – Maximum Expected Operating Pressure

MEOT – Maximum Expected Operating Temperature

MER – MOC Equipment Room

MeV – Mega Electron-Volt

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

MGS – McMurdo Ground Station

MGSE – Mechanical Ground Support Equipment

M-GSE – Mechanical Ground Support Equipment

MHR – Mission Handover Review

MHz – Megahertz

MICD – Mechanical Interface Control Drawing

MIL – Military

Mils – Thousandths of an inch

Min – Minimum min – Minimum min – Minute

MIUL – Materials Identification and Usage List

MLI – Multi-Layer Insulation

MLT – Mean Local Time

MLT-DN – Mean Local Time Descending Node mm2 (or mm^2) – Millimeters squared mm – Millimeter

MMO – Mission Management Officer

MMOD – Micrometeoriod and Orbital Debris

MOC – Mission Operations Center

MODTRAN – Moderate Resolution Atmospheric Transmission

MOM – Mission Operations Manager

MOR – Mission Operations Review

MoS2 – Molybdenum Disulfide

MOSFETs – Metal Oxide Semiconductor Field Effect Transistors

MOTS – Modified-Off-the-Shelf

MOU – Memorandum of Understanding

MP – Mission Payload

M&P – Materials and Processes

MPAE – Materials & Processes Assurance Engineer

MPEG – Movie Picture Experts Group

MPC – Multiple Point Constraint

MPCB – Materials and Processes Control Board

MPCIP – Materials, Processes, Control, and Implementation Plan

MPDR – Mission Preliminary Design Review

MPR – Monthly Program Review

MPSRs – Monthly Project Status Reviews

MRB – Material Review Board

MRPP – Mission Resilience and Protection Program

MRR – Mission Readiness Review

MRT – Mission Readiness Testing

MRTs – Mission Readiness Tests ms – Millisecond

MS – Mass Spectrometer

MS – Microsoft

MSE – Mission Systems Engineer

MSFC – Marshall Space Flight Center

MSI – Measurement System Integrity

MSM – Mission Systems Manager

MSR – Monthly Status Review

MSRs – Monthly Status Reviews

MTHR – Mission Transition and Handover Review

MUA – Materials Usage Agreement

MUAs – Materials Usage Agreements

15.0 N

N2 – Nitrogen

N/A – Not Applicable

NAS – National Aerospace Standard

NASA – National Aeronautics and Space Administration

NASCAP – NASA Charging Analyzer Program

NASCOM – NASA Communications

NASTRAN – NASA Structural Analysis

NCEP – National Centers for Environmental Prediction

NCR – Non-Conformance

NDAs – Non-Disclosure Agreement

NDE – Non-Destructive Testing

NEdL – Noise Equivalent Delta Radiance

NEdT – Noise Equivalent Differential Temperature

NEN – Near Earth Network

NENUG – Near Earth Network Users' Guide

NEPA – National Environmental Policy Act

NEPA – NASA Payload Environmental Assessment

NEPP – NASA Electronic Parts and Packaging

NF – NASA Form

NGAC – National Geospatial Advisory Committee

NHB – NASA Handbook

NIEL – Non-Ionizing Energy Loss

NIMA – National Imagery and Mapping Agency

NIR – Near Infrared

NIST – National Institute for Standards and Technology

NLI – National Land Imaging

N-m – Newton meter nm – Nanometer

NMB – New Missions branch

No – Number

NOA – New Obligation Authority

NOAA – National Oceanic and Atmospheric Adminstration

NPD – NASA Policy Directive

NPR – NASA Procedural Requirement

NRT – Near Real-Time

NRTs – Network Readiness Tests

NSF – National Science Foundation

NSLRSDA – National Satellite Land Remote Sensing Data Archive

NSN – Near Space Network

NSS – NASA Safety Standard

NTIA – National Telecommunications and Information Administration

NUC – Non-Uniformity Correction

16.0 O

OAR – On-Orbit Acceptance Review

OASPL – Overall Sound Pressure

OBS – Observatory

Obs-IRD – Observatory Interface Requirements Document

OCI – Organization Conflict of Interest oct – Octave

OD – Orbit Determination

ODAR – Orbital Debris Assessment Report

ODPO – Orbital Debris Protection Office (ODPO)

OHA – Operations Hazard Analysis

O-IRD – Observatory-Interface Requirements Document

OIS – OLI-2 Interface Simulator

ORR – Operational Readiness Review

ORSAT – Object Reentry Survival Analysis Tool

OLI – Operational Land Imager

OLI-2 – Operational Land Imager 2

OML – Outer Mold Line

OOPS – Observatory Operations Simulator

Ops Con – Landsat Next Operations Concept Document

OQPSK – Offset Quadrature Phase Shift Keying (QPSK)

ORDEM – Orbital Debris Engineering Model

OREO – Operations Readiness Exercises and Observations

OS – Operating System

OSHA – Occupational Safety & Health Act

OPSEC – Operations Security

O&SHA – Operating and Support Hazard Analysis

OTM – Output Transformation Matrix

OTS – Off-the-Shelf oz-in – Ounce inch

17.0 P

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

Pa – Pascal pA – Pico Amps

PAFs – Payload Attach Fittings

PAL – Project Authorization Letter

PAN – Panchromatic, as in Panchromatic band

PB – playback

PBS – Product Breakdown Structure

PCA – Physical Configuration Audit

PCB – Parts Control Board

PCB – Printed Circuit Board

PCI – Peripheral Component Interconnect

PCIs – Project-Level Critical Items

PCP – Parts Control Plan

PDF – Portable Document Format

PDR – Preliminary Design Review

PDR2 – Preliminary Design Review 2

PEP – Performance Evaluation Plan

PER – Pre-Environmental Review

PF – Polarization Factor

PFRs – Problem Failure Records

PG – Procedures and Guidelines

PGs – Procedures and Guidelines

PHA – Preliminary Hazard Analysis

PHS&T – Packaging, Handling, Storage, and Transportation

PIA – Project Implementation Agreement

PIP – Project Implementation Plan

PIR – Program Information Release

PLAR – Post-Launch Assessment Review

PLRA – Program Level Requirements Appendix

PM – Project Manager

POCs – Points of Contact pp – Pages

PPE – Personal Protective Equipment

PPF – Payload Processing Facility

PPL – Preferred Parts List

PPP – Project Protection Plan

PPS – Pulses Per Second

PQASP – Project Quality Assurance Surveillance Plan

PRA – Probabilistic Risk Assessment

PRAE – Parts & Radiation Assurance Engineer

PROM – Programmable Read-Only Memory

PROMs – Programmable Read-Only Memories

Ps – Probability of Mission Success

PSD – Power Spectral Density

PSF – Point Spread Function psi – Pounds per Square Inch

PSM – Project Systems Manager

PSR – Pre-Shipment Review

PSWG – Payload Safety Working Group

PTFE – Polytetrafluoroethylene

18.0 Q

QCM – Quartz Crystal Microbalance

QMP – Quality Management Plan

QPSK – Quadrature Phase Shift Keying

19.0 R

RAM – Random Access Memory

RadCalNet – Radiometric Calibration Network

RBF – Remove Before Flight

RD – Requirements Document

RDM – Radiation Design Margin

RE – Radiated Emissions

RE – Reviews

REDD – Radiation Environment Description Document

REF – Reference

Reqt – Requirements

Rev – Revision

RF – Radio Frequency

RFA – Request for Action

RFI – Request for Information

RFO – Request for Offer

RFP – Request for Proposal

RGA – Residual Gas Analyzer

RH – Relative Humidity

RHA – Radiation Hardness Assurance

RHAP – Radiation Hardness Assurance Program

RID – Risk Identification

RIDM – Risk-Informed Decision Making

RLAT – Radiation Lot Acceptance Testing

RM – Review Manager

RM – Risk Management

RMB – Risk Management Board

RMRB – Risk Management Review Board

RMD – Risk Management Database

RMF – Risk Management Framework

RMP – Landsat Next Risk Management Plan

RMS – Root Mean Square

RMWG – Risk Management Working Group

ROIC – Read Out Integrated Circuit

ROM – Read-Only Memory

RPE – Rational Publishing Engine

RPP – Reliability Program Plan

RS – Reed-Solomon

RSDO – Rapid Spacecraft Development Office

RSR – Relative Spectral Response

RSS – Root-Sum-Squared

RT – Real-Time

RT – Remote Terminal

RTOS – Real-Time Operating System

20.0 S

SA – Systems Assurance

S&MA – Safety and Mission Assurance

SAMP – Software Acquisition Management Plan

SAP – Software Assurance Plan

SARs – System Acceptance Reviews

SBLA – Shield Ballistic Limit Analysis Program

SBU – Single-Bit Upset

S/C – Spacecraft

SC – Spacecraft

SCA – Sensor Chip Assembly

SCaN – Space Communications and Navigation

SCDR – Spacecraft Critical Design Review

SCIRD – Landsat Next Spacecraft Interface Requirements Document

SCMAR – Landsat Next Spacecraft Mission Assurance Requirements

SCRM – Supply Chain Risk Management

SC SIM RD – Landsat Next Spacecraft Simulator Requirements Document

SCTR – Special Calibration Test Requirements

SD – South Dakota

SDMP – Software Development and Management Plan

SDP – Safety Data Package

SDR – System Definition Review

SDV – Software Development and Validation

SDVF – Software Development and Verification Facility

SE – Systems Engineering

SEB – Single-Event Burnout

SEBs – Single-Event Burnouts sec – Second

SEDRs – Single-Event Dielectric Ruptures

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

SEMP – Systems Engineering Management Plan

SEP – Single-Event Phenomena

SERD – Space Environments Requirements Document

SET – Systems Engineering Team

SETs – Single-Event transients

SEU – Single-Event Upset

SEUs – Single-Event upsets

SFB – Space Force Base

SFCG – Space Frequency Coordination Group

SGIRD – Space to Ground Interface Requirements Document

SGS – Spitsbergen Ground Station

SGO – Satellite Ground Operations

SHEs – Single-Event Hard Errors

SI – International System of Units

SIIRR – Spacecraft Instrument Integration Readiness Review

SINDA – Systems Improved Numerical Differencing Analyzer

SiPIN – Silicon Positive Intrinsic Negative photodiode

SIR – System Integration Review

SLI – Sustainable Land Imaging

SMA – Safety and Mission Assurance

SMAP – Safety and Mission Assurance Plan

SMAR – L9 Spacecraft Mission Assurance Requirements

SMD – Science Mission Directorate

SMDP – Software Management and Development Plan

SMP – Software Management Plan

SMRD – Science and Mission Assurance Requirements Document

SMSR – Safety and Mission Success Review

SN – Space Network

SNR – Signal-to-Noise

SNUG – Space Network Users' Guide

SOC – Simulations Operations Center

SoftSim – Software Simulator

SOH – State of Health

SOP – Standard Operating Procedure

SOPS – Spacecraft Operational Simulator

S/OS – Spacecraft/ Observatory Simulator

SOS – Spacecraft/Observatory Simulator

SOW – Statement of Work

SPDR – Spacecraft Preliminary Design Review

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)

SRB – Standing Review Board

SRD – Landsat Next Spacecraft Requirements Document

SRO – System Review Office

SRP – Landsat Next Systems Review Plan

SRR – System Requirements Review

SRS – Shock Response Spectrum

SRS – Software Requirements Specification

SRVM – Software Requirements Verification Matrix

SS – Space System

SSS – Spacecraft Software Simulator

SSA – S-Band Single Access

SSC – Stennis Space Center

SSE – Systems Security Engineer

SSOH – Stored State of Health

SSP – System Security Plan

SSP – Software Safety Plan

SSPP – System Safety Program Plan

SSR – Solid State Recorder

SSRR – Spacecraft System Requirements Review

STD – Standard

STEP – Structural Configuration Solid Models

STDN – Spacecraft Tracking and Data Network

STE – System Test Equipment

STM – Safe-to-Mate

STOP – Structural/Thermal/Optical Performance

SUROM – Startup Read-Only Memory

SW – Software

SWL – Safe Working Load

SWaP – Size, Weight, and Power

SWAR – Software Acceptance Review

SWIR – Short Wave Infrared

21.0 T

T – Time

TA – Technical Authority

TAAs – Technical Assistance Agreements

TAI – Temps Atomique Internationale

TBC – To Be Confirmed

TBD – To Be Determined

TBR – To Be Resolved/Revised

TBS – To Be Scheduled/Supplied

TC – Test Conductor

TD – Thermal Desktop

TDI – Time-Delay Integration

TDMS – Technical Data Management System

TDRS – Tracking and Data Relay Satellite

TDRSS – Tracking and Data Relay Satellite System

TEC – Thermo-Electric Cooler

THD – Total Harmonic Distortion

TIA – Telecommunications Industry Association

TID – Total Ionizing Dose

TIM – Technical Interchange Meeting

TIMs – Technical Interchange Meetings

TIR – Thermal Infrared

TIROS – Television Infrared Observation Satellite

TIRS – Thermal Infrared Sensor

TIRS-2 – Thermal Infrared Sensor-2

TIRS2-STE – Thermal Infrared Sensor-2 System Test Equipment

Tlm – Telemetry

T/M – Telemetry

TM – Test Monitor

TM – Torque Margin

TML – Total Mass Loss

TMON – Telemetry Monitor

T-MONs – Telemetry Monitors

TOA – Top of Atmosphere

TOD – Time of Day

ToR – Terms of Reference

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

TPM – Technical Performance Measure

TQCM – Temperature-Controlled Quartz Crystal Microbalance

TR – Technical Report

Tr – Resistive Torque

TRef – Reference Top of Atmosphere (TOA) Blackbody Temperature for NEdT (SNR)

TOA Implies there is no intervening atmosphere between the blackbody and the sensor

TRL – Technology Readiness Level

TRR – Test Readiness Review

TRRs – Test Readiness Reviews

TSSC – Technical Support Services Contract

TT&C – Telemetry, Tracking and Command

TTC – Telemetry Tracking Command

TVAC – Thermal Vacuum

22.0 U

uA – Micro Amp

UAR – Update As Required

UART – Universal Asynchronous Receiver-Transmitter

U/L – Uplink

UP – User Portal urad – microradians

USAF – United States Air Force

U.S. – United States

U.S.C. – United States Code

USC – United States Code

USDA-FAO – United States Department of Agriculture - Farms and Agriculture Organization

USDA-FAS – United States Department of Agriculture - Foreign Agricultural Service

USDA-FS – United States Department of Agriculture - Forest Service

USDA-NASS – United States Department of Agriculture - National Agricultural Statistics Service

USGS – United States Geological Survey

USSTRATCOM – United States Strategic Command

UTC – Universal Time Coordinated uV – Micro Volt

23.0 V

V – Volts

VAFB – Vandenberg Air Force Base

Val – Validation

VCHP – Variable Conductance Heat Pipes

VCRM – Verification Cross Reference Matrix

VDA – Vapor Desposited Aluminum

VDC – Volts Direct Current

VDD – Software Version Description Document

Vel. – Velocity

VHSIC – Very High-Speed Integrated Circuit

VIS – visible

V/m – Volts per Meter

VNIR – Visible and Near Infrared

VNIR/VSWIR – Visible Through Short Wave Infrared

Vol. – Volume

VSFB – Vandenberg Space Force Base

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

W/m – Watts per Meter

W/m2-sr-µm – Watts per Meter Squared Steradian Micrometer

WAN – Wide-Area Network

WBS – Work Breakdown Structure

WCA – Worst-Case Analyses

WFF – Wallops Flight Facility

WGS 84 – World Geodetic System 1984, as defined by NIMA TR8350.2

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

WGS – Wallops Ground Station

WIs – Work Instructions

WRS – Worldwide Reference System

WRS-1 – Worldwide Reference System-1

WRS-2 – Worldwide Reference System-2

WRS-3 – Worldwide Reference System-3 wrt – With Respect to

WSC – White Sands Complex

WSTF – White Sands Test Facility

WTR – Western Test Range