ACRONYM |
DEFINITION |
CONTRIBUTOR |
p |
Proton |
CASI |
P |
Pultrusion |
CASI |
P&CS |
Planning and Control System |
Goddard |
P&S |
Planning and Scheduling |
Goddard |
P.A.C.M. |
Pulse Amplitude Code Modulation |
CASI |
P/AWS |
Paging and Area Warning System |
Goddard |
P/C CLLS |
Physical/Chemical Closed Loop
Life Support |
CASI |
P/K |
Printer/Keyboard |
CASI |
P/L |
Payload |
CASI |
P/OF |
Pinhole Occulter Facility |
CASI |
P/P |
Power Propulsion |
CASI |
P/S |
Power Supply |
Goddard |
P/SA |
Pre-Amp/Splitter Assembly |
Goddard |
PA |
Performance Appraisal (OHR) |
Langley |
PA |
Performance Assurance |
Goddard |
PA |
Power Amplifier |
Goddard |
PA |
Privacy Act |
Goddard |
PA |
Product Assurance |
Goddard |
PA |
Picatinny Arsenal, Dover, NJ |
CASI |
PABSI |
Profiling A-Band Spectrometer/Visible
Imager |
Goddard |
PABX |
Private Automated Branch Exchange |
Goddard |
PAC |
Predict Application Control |
Goddard |
PAC |
Primex Aerospace Corporation |
Goddard |
PACE |
Particles, Atmosphere and Chemistry
Experiment |
Langley |
PACE |
Power Assisted Glove End Effector |
CASI |
PACE |
Pre-College Awards for Excellence
in Mathematics, Science, Engineering, and Technology |
Goddard |
PACE |
Physics and Chemistry Experiment
in Space |
CASI |
PACI |
Payload/Attitude Control Interface |
Goddard |
PACOR |
Packet Processor |
Goddard |
PACS |
Pan American Climate Studies |
Goddard |
PAD |
Program Approval Document (NASA)
(KSC) |
Langley |
PAD |
Project Authorization Document |
Goddard |
PAD |
Pulse Amplitude Discriminator |
Goddard |
PAD |
Polar Auroral Dynamics |
CASI |
PAD |
Propellant Actuated Devices |
CASI |
PAD |
Pulsed Activation Doppler |
CASI |
PAE |
Performance Assurance Engineer |
Goddard |
PAE |
Product Assurance Engineer |
Goddard |
PAET |
Planetary Atmosphere Experiments
Test |
CASI |
PAF |
Payload Adaptor Fitting |
Goddard |
PAF |
Payload Attach Fitting |
Goddard |
PAGEOS |
Passive Geodetic Earth Orbiting
Satellite |
CASI |
PAH |
Polycyclic Aromatic Hydrocarbon |
CASI |
PAIP |
Performance Assurance Implementation
Plan |
Goddard |
PAL |
Parts Accumulation List |
Goddard |
PAL |
Programmable Array Logic |
Goddard |
PAL |
Pallet (Spacelab Pallet Structure) |
CASI |
PALAPA |
(Synchronous satellite communication
system for Indonesia) |
CASI |
PAM |
Payload Accommodation Manager |
CASI |
PAM |
Payload Assist Module |
CASI |
PAM |
Peripheral Adapter Module |
CASI |
PAM |
Pulse Amplitude Modulation |
CASI |
PAMIS |
Processing And Manufacturing
In Space |
CASI |
PAMPL |
Program Approved Materials and
Processes Selection List |
Goddard |
PAMS |
Passive Aerodynamic Magnetic
Satellite |
Goddard |
|
|
|
PAN |
Peroxyacetyl Nitrates |
Langley |
PAN chemicals |
(PeroxyAcetylNitratol) |
CASI |
PANT |
Proboscoid Ablative Nose Tips
(Program) |
CASI |
PAO |
Program Analysis Office |
Goddard |
PAO |
Public Affairs Office |
Goddard |
PAO |
Public Affairs Officer |
Goddard |
PAP |
Payload Attach Plate |
Goddard |
PAP |
Performance Assurance Plan |
Goddard |
PAP |
Performance Assurance Procedures |
Goddard |
PAP |
Product Assurance Plan |
Langley |
PAPCPT |
Provide Aerospace Products and
Capabilities Process Team |
Goddard |
PAPL |
Program Approved Parts List |
Goddard |
PAPL |
Project Approved Parts List |
Goddard |
PAR |
Performance Assurance Requirements |
Goddard |
PAR |
Personnel Action Request |
Goddard |
PAR |
Photosynthetically Active Radiation |
Goddard |
PAR |
Problem Action Record |
Goddard |
PAR |
Precision Approach Radar |
CASI |
PARC |
Public Access Resource Center |
Goddard |
PARCA |
Program for Arctic Regional Climate
Assessment |
Goddard |
PARCS |
Primary Atomic Reference Clock in Space |
CASI |
PARE |
Physiological & Anatomical
Rodent Experiment |
CASI |
PARESEV |
Paraglider Research Vehicle 91,
IA, II, etc. |
CASI |
PAS |
Planning and Scheduling |
Goddard |
PAS-C |
PDES Application Protocol Suite
for Composites |
Goddard |
PASDE |
Photogrametric Appendage Structural
Dynamics Experiment |
Goddard |
PASO |
Program and Specific Objectives |
CASI |
PASP |
Publication of the Astronomical
Society of the Pacific |
Goddard |
PASS |
POCC Applications Software Support |
Goddard |
PASS |
Primary Avionics Software System
(Space Shuttle) |
CASI |
PASS |
Pressurized Air Starter System |
CASI |
PASSOPS |
POCC Applications Software Support
Operations |
Goddard |
PAT |
Process Action Team |
CASI |
PATGEN |
Pattern Generation |
Langley |
PAVDO |
Photo and Video Documentation
Office |
Goddard |
PB |
Pitney-Bowes, Inc. |
Langley |
PBAA |
Polybutadiene Acrylic Acid (Copolymer) |
CASI |
PBAN |
PBI Polybenzimidazole |
CASI |
PBAN |
Polybutadiene Acrylonitrile (Copolymer) |
CASI |
PBC |
Performance Based Contracting |
Goddard |
PBE |
Pool Boiling Experiment |
CASI |
PBIO |
Processor Backplane I/O |
Goddard |
PBL |
Planetary Boundary Layer |
CASI |
PBRE |
Pebble Bed Reactor Experiment |
CASI |
PBS |
Power Bus Simulator |
Goddard |
PBS |
Public Broadcasting System |
Goddard |
PBSC |
Performance Based Service Contracting |
Langley |
PBW |
Proportional Bandwidth |
CASI |
PBX |
Polybutadiene Tetranitramine |
CASI |
PC |
Personal Computer |
Goddard |
PC |
Photo Conductive |
Goddard |
PC |
Planetary Camera (part of WF/PC
or WFPC2) |
Goddard |
PC |
Power Controller |
Goddard |
PC |
Printed Circuit |
Goddard |
PC |
Pulse Command |
Goddard |
P-C |
Performance-Cost |
Goddard |
|
|
|
PCA |
Physical Configuration Audit |
Goddard |
PCA |
Printed Circuit Assembly |
Goddard |
PCA |
Program Commitment Agreement |
Goddard |
PCA |
Propellant Control Assembly |
Goddard |
PCA |
Proportional Counter Array |
Goddard |
PCA |
Polar Cap Absorption |
CASI |
PCA |
Portland Cement Association |
CASI |
PCA |
Positive Control Area |
CASI |
PCA |
Power Control Assembly (Space
Shuttle) |
CASI |
PCA |
Prime Candidate Alloy |
CASI |
PCA |
Propulsion Controlled Aircraft |
CASI |
PCAC |
Partially Conserved AxialVector
Current |
CASI |
PCAC |
Partial Conserved Axial Currents |
CASI |
PCB |
Parts Control Board |
Goddard |
PCB |
Printed Circuit Board |
Goddard |
PCB |
Program Control Board |
Goddard |
PCC |
Program for Cooperative Cataloging |
CASI |
PCC |
Project Cost Commitments |
Goddard |
PCD |
Photon Counting Detector |
Goddard |
PCD |
Program Commitment Document |
Goddard |
PCD |
Project Commitment Document (SOMO) |
Goddard |
PCDBR |
Data Collection Platform, Brazil
(Platformas de Coleta de Dados) |
CASI |
PCDS |
Power Converter and Distribution
System |
Goddard |
PCDU |
Power Conversion and Distribution
Unit |
Goddard |
PCE |
Power Control Electronics |
Goddard |
PCE |
Power Conversion Electronics |
Goddard |
PCE |
Process Communications Engineer |
Goddard |
PCEA |
Pointing Control Electronics
Assembly |
Goddard |
PCENT |
Gravitropic Responses of Plant
Seedlings |
CASI |
PCG |
Protein Crystal Growth |
Goddard |
PCGII |
Protein Crystal Growth II |
CASI |
PCGIII |
Protein Crystal Growth III |
CASI |
PCGPROTO |
Protein Crystal Growth Prototype |
CASI |
PCGU |
Protein Crystal Growth Unit |
CASI |
PCI |
Peripheral Component Interface |
Goddard |
PCI |
Personal Computer Interface |
Goddard |
PCI |
Programmed Composites Inc. |
Goddard |
PCIE |
President's Council on Integrity
and Efficiency in Government |
Langley |
PCL |
Parallel Communications Links |
Goddard |
PCM |
Power Control Module |
Goddard |
PCM |
Procurement Contract Management |
Goddard |
PCM |
Pulse Code Modulation |
CASI |
PCM |
Phase Change Material |
CASI |
PCMI |
President's Council on Management
Improvement |
Langley |
PCMU |
Power Control Monitoring Unit |
Goddard |
PCMU |
Propulsion Control and Monitor
Unit |
Goddard |
PCN |
Procurement Control Number |
Goddard |
PCN |
Program Control Number |
Langley |
PCN |
Project Control Number |
Goddard |
PCO |
Procedure Change Order |
Goddard |
PCP |
Parts Control Plan |
Goddard |
PCR |
Payload Changeout Room |
Goddard |
PCS |
Planning and Control System |
Goddard |
PCS |
Pointing Control Subsystem |
Goddard |
PCS |
Pressure Control System (Space
Shuttle) |
CASI |
PCS |
Pointing Control System |
CASI |
PCSIU |
PCS Interface Unit |
Goddard |
PCTR |
Physical Constants Testing Reactor |
CASI |
PCU |
Power Conditioning Unit |
Goddard |
PCU |
Power Converter Unit |
Goddard |
PCU |
Power Control Unit |
CASI |
PCUA |
Pressure Control Unit, ATLAS |
CASI |
PD |
Position Description |
Goddard |
PD |
Power Distribution |
Goddard |
PD |
Product Data |
Goddard |
PD |
Proportional and Derivative |
Goddard |
PDA |
Percentage of Defectives Allowable |
Goddard |
PDA |
Personal Digital Assistant |
CASI |
PDA |
Photon Detector Assembly |
Goddard |
PDA |
Power Distribution Assembly |
Goddard |
PDA |
Preliminary Design Audit |
Goddard |
PDB |
Project Database |
Goddard |
PDC |
Project Design Center |
Goddard |
PDD |
Payload Definition Document |
Goddard |
PDD |
Product Definition Data |
Goddard |
PDDI |
Product Definition Data Interface |
Goddard |
PDDU |
Power Distribution and Drive
Unit |
Goddard |
PDE |
Product Data Exchange |
Goddard |
PDES |
Product Data Exchange using STEP |
Goddard |
PDF |
Payload Data Formatter |
Goddard |
PDF |
Portable Document Format |
CASI |
PDF |
Probability Density Function |
CASI |
PDF |
Processor Defined Function |
CASI |
PDF |
Programmable Data Format |
Goddard |
PDI |
Payload Data Interleaver |
Goddard |
PDI |
Professional Development Initiative |
Goddard |
PDL |
Ponce de Leon |
Goddard |
PDL |
Program Design Language |
Goddard |
PDLG |
PitmanDunn Labs. Group, Frankford
Arsenal, Philadelphia, Pa. |
CASI |
PDM |
Primary Deployment Mechanism
(Solar Array) |
Goddard |
PDM |
Primary Drive Motor |
Goddard |
PDM |
Product Data Management |
Goddard |
PDM |
Propellant Distribution Module |
Goddard |
PDM |
Pulse Duration Modulation |
CASI |
PDME |
Precision Distance Measuring
Equipment |
CASI |
PDMO |
Product Data Management Office |
Goddard |
PDMP |
Program Data Management Plan |
Goddard |
PDMP |
Project Data Management Plan |
CASI |
PDO |
Property Disposal Officer |
Langley |
PDOP |
Position Dilution of Precision |
CASI |
|
|
|
PDP |
Professional Development Program |
Goddard |
PDP Computer |
(Tradename for a PackardBell
digital computer system) |
CASI |
PDPF |
Packet Data Processing Facility |
Goddard |
PDR |
Photo Dissociation Region |
Goddard |
PDR |
Preliminary Design Review |
CASI |
PDR |
Preferential Departure Route |
CASI |
PDRD |
Program Definition and Requirements
Document |
Langley |
PDRS/PFTA |
Payload Deployment and Retrieval
System/Payload Flight Test Article |
CASI |
PDS |
Planetary Data System |
CASI |
PDSU |
Power Distribution and Switching
Unit |
Goddard |
PDSU |
Power Distribution Servicing
Unit |
Goddard |
PDT |
Performance Demonstration Test |
Goddard |
PDT |
Procurement Development Team |
Goddard |
PDT |
Product Design Team |
Goddard |
PDT |
Product Development Team |
Goddard |
PDT |
Pacific Daylight Time |
CASI |
PDU |
Power Distribution Unit |
Goddard |
PDU |
Power Drive Unit (Space Shuttle) |
CASI |
PE |
Program Engineer |
Goddard |
PE |
Propulsion Equipment |
Goddard |
PEB |
Performance Evaluation Board |
Goddard |
PEC |
Passive Experiment Carrier (one
of four exp. comprising MEEP) |
Langley |
PECL |
Position Emitter Coupled Logic |
Goddard |
PED |
Payload Element Developers |
CASI |
PED |
Period End Date |
CASI |
PED |
Phase Element Decomposition |
CASI |
PED |
Platform Equipment Deck |
Goddard |
PED |
Potential Energy Distribution |
CASI |
PED |
Pyro-Electric Detector |
CASI |
PEGASUS |
Pegasus Air-Breathing Launch
Vehicle |
CASI |
PEGASUS |
Power Generating System for Use
in Space |
CASI |
PEM |
Partial Environment Monitor |
Goddard |
PEM |
Particle Environment Monitor |
Langley |
PEM |
Production Efficiency Model |
Goddard |
PEM |
Pacific Exploratory Mission |
CASI |
PEM |
Proton Exchange Membrane |
CASI |
PEM-W |
Pacific Exploratory Mission -
West (GTE) |
Langley |
PEO |
Polar Earth Orbit |
CASI |
PEP |
Performance Evaluation Plan |
Goddard |
PEP |
Proposal Entry Processor |
Goddard |
PEP |
Power Extension Package |
CASI |
PER |
Pre-Environmental Review |
Goddard |
PER |
Preliminary Engineering Report
(KSC) |
Langley |
PERR |
Pre-Environmental Readiness Review |
Goddard |
PERT |
Program Evaluation and Review
Technique |
CASI |
PESS |
Programmable Escape System Sequencer |
CASI |
PET |
Piston Engine Technology |
CASI |
PET |
Poly-Ethylene Terephthalate |
CASI |
PET |
Positron Emission Tomography |
CASI |
PET |
Production Environmental Test |
CASI |
PET |
Proton Electron Telescope |
CASI |
PETN |
Pentaerythritol Tetranitrate |
CASI |
PETS |
Proximity Effect Tunneling Spectroscopy |
CASI |
PEU |
Peripheral Electronics Unit |
Goddard |
PEU |
Processing Electronics Unit |
Goddard |
PF |
Proto Flight |
Goddard |
PFD |
Primary Flight Display |
CASI |
PFES |
Portable Field Emission Spectrometer |
CASI |
PFET |
Positive Channel Field Effect
Transistor |
CASI |
PFG |
Perfluoroguanidine |
CASI |
PFM |
Project Formulation Manager |
Goddard |
PFM |
Proto-Flight Model |
Goddard |
PFM |
Pulse Frequency Modulation |
CASI |
PFMS |
Planar Flow Melt Spinning |
CASI |
|
|
|
PFO |
Project Formulation Office |
Goddard |
PFR |
Prime Focal Ratio |
Goddard |
PFR |
Portable Foot Restraint (Space
Shuttle) |
CASI |
PFRR |
Poker Flat Research Range |
Goddard |
PFS |
Parallel File System |
Langley |
PFU |
Proto-Flight Unit |
Goddard |
PG&S |
Purchased Goods and Services |
Goddard |
PGHM |
Payload Ground Handling Mechanism |
CASI |
PGS |
Primary Guidance Subsystem |
CASI |
PGS |
Product Generation System |
CASI |
PGSOW |
Precision Guided Stand Off Weapons |
CASI |
PGT |
Pistol Grip Tool |
Goddard |
PHA |
Pulse Height Analysis |
Goddard |
PHA |
Pulse Height Analyzer |
Goddard |
PHBW |
Personal Hygiene Body Wipe |
CASI |
PHCF |
Pituitary Growth Hormone Cell
Function |
CASI |
PHE |
Propellant Handling Unit |
Goddard |
PHS |
Personal Hygiene Station (Space
Shuttle) |
CASI |
PHSF |
Payload Hazardous Servicing Facility |
Goddard |
PHY |
Physical Layer Protocol |
Goddard |
PI |
Payload Interrogator (Orbiter) |
Goddard |
PI |
Proportional Integral |
Goddard |
PI |
Principal Investigator |
CASI |
PI/TL |
Principal Investigator/Team Leader |
Goddard |
PIA |
Program Initiation Agreement |
Langley |
PIA |
Propellant Isolation Assembly |
Goddard |
PIA |
Particulate Impact Analyzer (Giotto) |
CASI |
PIC |
Payload Interface Controller |
Goddard |
PIC |
Procurement Information Circular |
Goddard |
PIC |
Programmable Interrupt Controller
(Computer science) |
Langley |
PIC |
Particle-In-Cell |
CASI |
PICAO |
Provisional International Civil
Aviation Organization |
CASI |
PICASSO |
Pathfinder Instruments for Cloud
and Aerosol Spaceborne Observations |
Goddard |
PicassoCena |
Pathfinder Instruments for Cloud
and Aerosol Spaceborne Observations Climatologie
Etendue des Nuages et des Aerosols |
CASI |
PICCA |
Positive Ion Cluster Composition
Analyzer |
CASI |
PID |
Proportional Integral and Derivative |
Goddard |
PIDA |
Payload Installation and Deployment
Aid |
Goddard |
PIDAS |
Portable Instantaneous Display
and Analysis Spectrometer |
Langley |
PIDAS |
Portable Instant Display and
Analysis Spectrometer |
CASI |
PIDDP |
Planetary Instrument Definition
and Development Program |
Goddard |
PIDP |
Programmable Indicator Data Processor |
CASI |
PIES |
Positive Ion Ejection System |
CASI |
PIES |
Pressure Inserted Echo Sounders |
CASI |
PIES |
Project Independence Evaluation
System |
CASI |
PIF |
Payload Integration Facility |
Goddard |
|
|
|
PIG |
Pendulous Integrating Gyro |
CASI |
PIG |
Phillips Ionization Gauge |
CASI |
PIG |
Plasma Ion Generator |
CASI |
PIGA |
Pendulous Integrating Gyro Accelerometer |
CASI |
PIGWAD |
Planetary Interactive GIS ontheWeb
Analyzable Database |
CASI |
PII |
Plasma Ion Implantation |
CASI |
PII |
Preliminary Item Identifier (assigned
by publisher) |
CASI |
PIK |
Potsdam Institute for Climate
Impact Research |
Goddard |
PIL |
Parts Identification List |
Goddard |
PILPS |
Project for Intercomparison of
Land Surface parameterization Schemes |
Goddard |
PIM |
Process Integrated Mechanism |
CASI |
PIMMR |
Passive Imaging Multichannel
Microwave Radiometer |
CASI |
PIMR |
Passive Imaging Microwave Radiometer |
Goddard |
PIMS |
Plasma Interactions Monitoring
System |
CASI |
PIN |
Password Identification Number |
Goddard |
PIN |
Personal Identification Number |
Langley |
PIN |
Procurement Installation Number |
Goddard |
PIN |
Project Identification Number |
Goddard |
PIND |
Particle Impact Noise Detection |
Goddard |
PIO |
Program Integration Office |
Langley |
PIO |
Pilot Induced Oscillations |
CASI |
PIOFS |
Parallel Input/Output File System |
Langley |
PIP |
Parallel Image Processor |
CASI |
PIP |
Participant Instrumentation Package |
CASI |
PIP |
Payload Integration Plan |
CASI |
PIP |
Plume Interference Prediction |
CASI |
PIP |
Potential Integrator and Plotting |
CASI |
PIP |
Precipitation Intercomparison
Project |
CASI |
PIP |
Precise Impulse Propulsion |
CASI |
PIP |
Process Instrumentation Process |
CASI |
PIP |
Product Improvement Program |
CASI |
PIP |
Production Installation Procedures |
Goddard |
PIP |
Professional Intern Program |
Goddard |
PIP |
Project Implementation Plan |
Goddard |
PIP |
Propellant Initiation Program |
CASI |
PIP |
Pulsed Integrating Pendulum |
CASI |
PIREPS |
Pilot Reports (pertaining to
meteorological conditions) |
CASI |
PIRN |
Preliminary Interface Revision
Notice |
Goddard |
PIT |
Post Installation Test |
Goddard |
PIT |
Process Improvement Team |
Goddard |
PIT |
Processor Interface Table |
Goddard |
PIT |
Product Integration Team |
Langley |
PIT |
Programmable Interval Timer |
Langley |
PIV |
Particle Image Velocimetry |
CASI |
PIWG |
Propulsion Instrumentation Working
Group |
Goddard |
PIXE |
Proton Induced Xray Emission |
CASI |
PIXIE |
Polar Ionosphere Xray Imaging
Experiment |
CASI |
|
|
|
PKI |
Public Key Infrastructure |
Goddard |
PL |
Product Line |
Langley |
PL |
Program Language |
Langley |
PL |
Punch List |
Langley |
PL OPPTY |
Payload Opportunity |
CASI |
PLAAR |
Packaged Liquid Air Augmented
Rockets |
CASI |
PLACE |
Position, Location and Communications
Experiment |
CASI |
PLAID |
Patchy LandAtmosphere Interactive
Dynamics |
CASI |
PLAN |
Planetary Trajectory |
CASI |
PLANET |
Planned Logistics Analysis and
Evaluation Techniques |
CASI |
PLANET |
Planning Evaluation Technique |
CASI |
PLAT |
Pre-Launch Acceptance Test |
Goddard |
PLAT |
Pilot Landing Air Television
(System) |
CASI |
PLB |
Payload Bay |
Goddard |
PLB |
Payload Bay (Space Shuttle) |
CASI |
PLBD |
Payload Bay Door |
Goddard |
PLC |
Preliminary Load Cycle |
Goddard |
PLC |
Programmable Logic Control (Computer
science) |
Langley |
PLC |
Payload Commander (Member of
the Shuttle crew having overall crew responsibility
for planning, integration, and onorbit coordination
of payload mission activities.) |
CASI |
PLC |
PortevinLe Chatelier |
CASI |
PLC |
Pressurized Logistics Carrier |
CASI |
PLCC |
Plastic Leaded Chip Carrier |
Goddard |
PLCP |
Planning Command Pool |
Goddard |
PLCS |
Product Life Cycle Support Committee |
Goddard |
PLCU |
Propellant Level Control Unit |
CASI |
PLD |
Programmable Logic Device |
Langley |
PLDS |
Pilot Land Data System |
CASI |
PLF |
Payload Fairing |
Goddard |
PLIE |
Phase Linear Interferometer Experiment |
CASI |
PLL |
Phase Lock Loop |
CASI |
PLLO |
Phase Locked Local Oscillator |
Goddard |
PLM |
Payload Module |
Goddard |
PLO |
Phase Locked Oscillator |
Goddard |
PLS |
Personnel Launch System (small
Earth to orbit shuttle complement) |
Langley |
PLS |
Primary Landing Site (Space Shuttle) |
CASI |
PLSS |
Portable Life Support System |
CASI |
PLSS |
Primary Life Support System |
CASI |
PLT |
Post Launch Testing |
CASI |
PLT |
Pilot (Member of the Shuttle
crew) |
CASI |
PLUM |
Polymerization With Light Under
Microgravity |
CASI |
PM |
Payload Module |
Goddard |
PM |
Phase Modulation |
Goddard |
PM |
Post Meridian (aftenoon) |
Goddard |
PM |
Power Monitoring |
Goddard |
PM |
Pressurized Module |
CASI |
PM |
Preventative Maintenance |
Goddard |
PM |
Primary Mirror |
Goddard |
PM |
Program Manager |
Goddard |
PM |
Project Management |
Goddard |
PM |
Project Manager |
Goddard |
PM |
Prototype Model |
Goddard |
PM |
Polymer Morphology |
CASI |
PM&C |
Program Management and Control
(OHR) |
Langley |
PMA |
Permanent Magnet Assembly |
Goddard |
PMAD |
Power Management and Distribution |
CASI |
PMB |
Performance Measurement Baseline |
Langley |
PMB |
Personnel Management Branch |
Goddard |
PMBT |
Propellant Mean Bulk Temperature |
CASI |
|
|
|
PMC |
Polyimide Matrix Composites |
Goddard |
PMC |
Prime Mission Contract/Contractor |
Goddard |
PMC |
Program Management Council |
Goddard |
PMC |
Permanently Manned Capability |
CASI |
PMC |
Polymer Matrix Composite |
CASI |
PMCD |
Part Material Control Document |
Goddard |
PMD |
Propulsion Management Device |
Goddard |
PMDB |
Project Management Data Base |
Goddard |
PMDE |
Project Management Development
Emprise |
Goddard |
PMDP |
Project Management Development
Process |
Goddard |
PMDR |
Procurement Management Data Report |
Goddard |
PME |
Personnel Management Evaluation |
Goddard |
PMFA |
Permanent Magnet Focus Assembly |
Goddard |
PMG |
Plasma Motor Generator |
CASI |
PMGP |
Planetary Materials and Geochemistry
Program |
CASI |
PMH |
Project Management Handbook |
Goddard |
PMIR |
Pressure Modulator Infrared Radiometer |
Goddard |
PMIRR |
Pressure Modulator Infrared Radiometer
(Mars Observer) |
CASI |
PMIS |
Project Management Information
System |
Goddard |
PMMA |
Polymethyl Methacrylate, an acrylic
used for LIGA |
Goddard |
PMMR |
Project Managers’ Monthly Review |
Goddard |
PMP |
Program Management Plan (NASA) |
Langley |
PMP |
Project Management Plan |
Goddard |
PMPCB |
Parts, Material, and Processes
Control Board |
Goddard |
PMPE |
Program Materials and Processes
Engineer |
Goddard |
PMPP |
Personnel Management Practices
and Procedures |
Goddard |
PMR |
Passive Microwave Radiometer |
Langley |
PMR |
Program Management Report/Review |
Goddard |
PMRC |
Personnel Management Review Committee |
Langley |
PMRF |
Pacific Missile Range Facilities |
Goddard |
PMRS |
Performance Management and Recognition
System |
Goddard |
PMS |
Performance Management System |
Langley |
PMS |
Performance Measurement System |
Goddard |
PMS |
Personnel Management Specialist |
Goddard |
PMS |
Problem Management System |
Goddard |
PMS |
Processors, Memories, and Switches |
Langley |
PMS |
Platform Management System |
CASI |
PMS |
Pollution Monitoring Satellite |
CASI |
PMS |
Propellant Management Subsystem |
CASI |
PMT |
Photo Multiplier Tube |
Goddard |
PMT |
Process Management Team |
Goddard |
PMT |
Project Management Team |
Langley |
PMT |
PhotoMultiplier Tubes |
CASI |
PMTP |
Procurement Management Technology
Program |
Goddard |
PMZF |
Programmable MultiZone Furnace |
CASI |
PN |
Procurement Notice |
Goddard |
PN |
Pseudorandom Noise |
Goddard |
PN |
Pseudo-random Number |
Goddard |
PN |
Pseudonoise (sequence) |
CASI |
PNL |
Pacific Naval Lab. (Canada) |
CASI |
PNM |
Pulse Number Modulation |
CASI |
PNNL |
Pacific Northwest National Laboratory |
Goddard |
PNS |
Portsmouth Naval Shipyard, NH |
CASI |
PNSETL |
Electrical Testing Lab., Portsmouth
Naval Shipyard, NH |
CASI |
PNZ |
Phytoplankton-nutrient-zooplankton |
Goddard |
|
|
|
PO |
Pick Off |
Goddard |
PO |
Procurement Officer |
Goddard |
PO |
Program Office |
Goddard |
PO |
Purchase Order |
Goddard |
POA |
Privately Owned Aircraft |
Langley |
POC |
Point of Contact |
CASI |
POCC |
Payload Operation Control Center |
CASI |
POCC |
Project Operations Control Center |
CASI |
POCM |
Parallel Ocean Climate Model |
Goddard |
POD |
Project Operations Director |
Goddard |
PODAAC |
Physical Oceanography Distribution
Active Archive Center (JPL) |
Goddard |
PODPS |
Post Observation Data Processing
System |
Goddard |
PODS |
Pilot Ocean Data System |
CASI |
POE |
Parallel Operating Environment |
Langley |
POED |
Post Office Engineering Dept.
(Great Britain) |
CASI |
POEM |
Polar Orbiting Earth Observing
Mission |
Langley |
POEM |
Polar Orbit
Earth Observation Mission |
CASI |
POEMD |
Plant Operations, Engineering,
and Maintenance Division |
Goddard |
POEMS |
Positron Electron Magnet Spectrometer |
Goddard |
POES |
Polar Operational Environmental
Satellite |
Goddard |
POES |
Polar Orbiting Environmental
Satellite |
Goddard |
POES |
Polarorbiting Operational Environmental
Satellite |
CASI |
POGO |
Polar Orbiting Geophysical Observatory |
CASI |
POIC |
Payload Operations Integration
Center |
CASI |
POLAR |
Polar Plasma Laboratory (ISTP
spacecraft) |
Goddard |
POLARIS |
Photochemistry of Ozone Loss
in the Arctic Region In Summer |
CASI |
POLDER |
Polarization and Directionality
of Earth’s Reflectances |
Goddard |
POLES |
Polar Exchange at the Sea Surface |
Goddard |
POLINAT |
POLlution from aircraft emissions
In the North ATlantic flight corridor |
CASI |
POLO |
Polar Orbiting Lunar Observatory |
CASI |
POLTAZ |
Epoxy Resin (Oxidizer binder) |
CASI |
POLYDOP |
Polystation Doppler (Tracking
system) |
CASI |
POM |
Pick Off Mirror (WFPC) |
Goddard |
POM |
Potential Monitor |
Goddard |
POMB |
Plant Operations and Maintenance
Branch |
Goddard |
POMC |
Pick Off Mirror Cover (WFPC) |
Goddard |
POMD |
Plant Operations and Maintenance
Division |
Goddard |
POMM |
Pick Off Mirror Mechanism (WFPC2) |
Goddard |
POP |
Period of Performance |
Goddard |
POP |
Place of Performance |
Goddard |
POP |
Program Operating Plan |
Goddard |
POP |
Perpendicular to Orbital Plane |
CASI |
POP |
Polar Orbiting Platform |
CASI |
POR |
Power Off Reset |
Goddard |
PORTIA |
Piggyback Room Temperature Instrument
for Astronomy |
Goddard |
PORTS |
POCC Operations Real-Time Support |
Goddard |
PORTS |
Preliminary Operations Requirements
Test Support |
Goddard |
POSA |
Passive Optical Samle Assembly |
Langley |
POT |
Plan of Test |
Langley |
POT |
Potentiometer (or Potentiometric) |
Langley |
POTS |
Plain Old Telephone Services |
Goddard |
POTV |
Personnel Orbit Transfer Vehicle |
CASI |
POV |
privately owned vehicle |
Langley |
POWG |
Payload Operations Working Group |
Goddard |
POWOW |
POwer WithOut Wires |
CASI |
PP |
Partial Pressure (or Peak Pressure) |
CASI |
PP |
Particle Physics (or Particle
Production) |
CASI |
PP |
peak-to-peak |
Langley |
PP |
Pilot Project |
CASI |
PP |
Planetary Programs |
CASI |
PP |
Plasma Protein |
CASI |
PP |
Polypeptide |
CASI |
PP |
Polypropylene |
CASI |
PP |
Pounds Pressure |
CASI |
PP |
Project Plan |
Goddard |
PP |
Propulsion Power |
CASI |
PP |
Proton Proton |
CASI |
P-P |
Peak-to-Peak |
Goddard |
|
|
|
PPC |
Policy and Planning Committee |
Goddard |
PPC |
Procurement Placement Code |
Goddard |
PPCD |
Programmable Platforms for Collection
of Data |
CASI |
PPCU |
Port Power Conditioning Unit |
Goddard |
PPD |
Physical Page of Data |
Goddard |
PPDD |
Plan Position Data Display |
CASI |
PPE |
Pay Period Ending |
Langley |
PPE |
Personal Protective Equipment |
CASI |
PPE |
Phase Partitioning Experiment |
CASI |
PPF |
Payload Processing Facility |
Goddard |
PPF |
Positive Position Feedback |
CASI |
PPG |
Picopicogram (10240 grams) |
CASI |
PPI |
Plan Position Indicator |
CASI |
PPL |
Polar Plasma Laboratory (Satellite
in the OPEN program) |
CASI |
PPL |
Preferred Parts List |
Goddard |
PPLU |
Propellant and Pressurant Loading
Unit |
Goddard |
PPM |
Parts per Million |
Langley |
PPM |
Pulse Position Modulation |
CASI |
PPMD |
Polished Plate Meteroid Detector |
Langley |
PPMI |
Program Project Management Initiative
(OHR) |
Langley |
PPMI |
Program/Project Management Initiative |
Goddard |
PPMU |
Portable Propulsion Monitor Unit |
Goddard |
PPO |
Proposal Production Office |
Goddard |
PPP |
Projected Promotion Potential |
Goddard |
PPR |
Pathfinder Planetary Rover |
CASI |
PPR |
Photopolarimeter/Radiometer (Galileo
Spacecraft) |
CASI |
PPS |
Pulses Per Second |
CASI |
PPSSCC |
(Foundation for the) President's
Private Sector Survey on Cost Control |
Langley |
PPSU |
Propellant and Pressurant Servicing
Unit |
Goddard |
PPT |
Pulsed Plasma Thruster |
Goddard |
PPU |
Pre-Production Unit |
Goddard |
PPU |
Power Processing Unit (solar
electric propulsion) |
CASI |
PQR |
Procedure Qualification Record
(Welding) |
Langley |
PQT |
Preliminary Qualification Test |
Goddard |
PR |
Precipitation Radar |
CASI |
PR |
Problem Report |
Goddard |
PR |
Procurement Request |
Goddard |
PR |
Product Request |
Goddard |
PR |
Purchase Request |
CASI |
PRA |
Probabilistic Risk Assessment |
Goddard |
PRB |
Problem Reporting Bulletin |
Goddard |
PRB |
Program Review Board |
Goddard |
PRC |
Passive Radiative Cooler |
Goddard |
PRC |
Planer Random Composites (fiber
reinforced composites) |
CASI |
PRCF |
Plutonium Recycle Ceramic Fuel |
CASI |
PRCS |
Primary Reaction Control System
(Jet) |
CASI |
PRD |
Preliminary Requirements Document |
Goddard |
PRD |
Program Requirements Document |
Goddard |
PRD |
Project Reference Data |
Goddard |
PREAMP |
Preamplifier |
Langley |
Pre-MSR |
Pre-Monthly Status Review |
Goddard |
PRF |
Pulse Recurrence Frequency |
CASI |
PRIME |
Primordial Explorer |
Goddard |
PRIS |
Project Records Information System |
CASI |
PrISM |
Program for Information Storage
and Management |
Langley |
PRISMA |
Probing Rotation and Interior
of Stars: Microvariability and Activity |
CASI |
PRJU |
Power Regulator Junction Unit |
Goddard |
|
|
|
PRL |
Program Requirements Logic |
Goddard |
PRL |
Pulse Rebalance Loop |
Goddard |
PRL |
6570th Personnel Research Lab.,
Aerospace Medical Div., Air Force Base, TX |
CASI |
PRM |
Pulse Ratio Modulation |
CASI |
PRN Modulation |
Pulse Ratio Noise Modulation |
CASI |
PROFAC |
Propulsive Fluid Accumulator |
CASI |
PROM |
Programmable
Read Only Memory |
CASI |
PROMIS |
Polar Regions Outer Magnetosphere
International Study |
CASI |
PROTO |
Prototype |
Langley |
PRR |
Preliminary Requirements Review |
Goddard |
PRR |
Program Requirements Review (NASA) |
Langley |
PRR |
Pulse Repetition Rate |
Goddard |
PRS |
Payload Retention System |
Goddard |
PRS |
Performance Requirement’s Summary |
Goddard |
PRS |
PORTS Refurbishment System |
Goddard |
PRSDS |
Power Reactant Storage and Distribution
System |
CASI |
PRT |
Platinum Resistance Thermometer |
Goddard |
PRT |
Power Ratchet Tool |
Goddard |
PRTR |
Plutonium Recycle Test Reactor |
CASI |
PS |
Payload Specialist |
CASI |
PS |
Payload Station |
Goddard |
PS |
Post Script |
Goddard |
PS |
Power Supply |
Goddard |
PS |
Process Specification |
Goddard |
PS |
Program Support |
Langley |
PS |
Project Scientist |
Goddard |
PS |
Propulsion Subsystem |
Goddard |
PSA |
Power Section Assembly |
CASI |
PSA |
Provision Stowage Assembly |
CASI |
PSAS |
Phenytoin for Space Adaptation
Syndrome |
CASI |
PSAT |
Predicted Site Acquisition Table |
Goddard |
PSB |
Persistent Slip Band |
CASI |
PSB |
Power Supply Board |
Goddard |
PSC |
Performance Seeking Control |
CASI |
PSC |
Platform Support System |
CASI |
PSC |
Polar Stratospheric Clouds |
CASI |
PSCM |
Product Structure Configuration
Management |
Goddard |
PSCN |
Proposed Specification Change
Notice |
Goddard |
PSCN |
Program Support Communications
Network |
CASI |
PSD |
Power Spectral Density |
Goddard |
PSD |
Pulse Shape Discriminator |
Goddard |
PSDU |
Power Switching and Distribution
Unit |
Goddard |
PSE |
Parabolized Stability Equations |
CASI |
PSE |
Physiological Systems Experiment |
CASI |
PSE |
Power Supply Electronics |
Goddard |
PSE |
Power System Electronics |
Goddard |
PSE |
Power System Equipment |
Goddard |
PSE |
Project Systems Engineer |
Goddard |
PSEA |
Payload Safing and Electronics
Assembly |
Goddard |
PSEA |
Pointing and Safemode Electronics
Assembly |
Goddard |
PSF |
Point Spread Function |
Goddard |
PSI |
Paul Scherrer Institute |
CASI |
PSI |
PI Scientific Instrument |
Goddard |
PSI |
Pounds per Square Inch |
Langley |
psi |
pounds per square inch |
CASI |
PSIL |
Preferred Speech Interference
Level |
CASI |
PSIOC |
Processor Support and I/O Controller |
Goddard |
PSK |
Phase Shift Keying |
Goddard |
PSK |
PhaseShiftKeyed (modulation) |
CASI |
PSL |
Physical Science Laboratory (at
New Mexico State University) |
Langley |
PSL |
Propulsion Systems Laboratory |
CASI |
PSLA |
Project Service Level Agreement
(SOMO) |
Goddard |
PSM |
Project Safety Manager |
Goddard |
PSM |
Project Support Manager |
Goddard |
PSMIR |
Performance Specification and
Mission Implementation Requirements |
Goddard |
PSNSML |
Material Labs, Puget Sound Naval
Shipyard, Bremerton, WA |
CASI |
PSP |
Payload Signal Processor (Space
Shuttle) |
CASI |
PSP |
Performance Surveillance Plan |
Goddard |
PSP |
Pressure Sensitive Paints |
Langley |
PSR |
Precision Segmented Reflector |
CASI |
PSR |
Preliminary Science Review |
Goddard |
PSR |
Pre-Shipment Review |
Goddard |
PSR |
Program Status Review |
Goddard |
PSR |
Project Status Review |
Goddard |
PSRP |
Payload Safety Review Panel |
Goddard |
PSRR |
Preliminary System Requirements
Review |
Goddard |
PSS |
Payload Safing Sequence |
Goddard |
PSS |
Portable Spacecraft Simulator |
Goddard |
PSSD |
Position Sensitive Silicon Detectors |
Goddard |
PSSIG |
Parallel Systems Special Interest
Group |
Langley |
PST |
Pacific Standard Time |
CASI |
PST |
Process Systems Team |
Langley |
PSTOL |
PORTS Systems Test and Operation
Language |
Goddard |
PSU |
Penn State University |
Goddard |
PSU |
Pennsylvania State University |
Goddard |
PSU |
Power Supply Unit |
Goddard |
PSWG |
Payload Safety Working Group |
Goddard |
|
|
|
PT |
Project Technologist |
Goddard |
PTEC |
Plastics Technical Evaluation
Center, Picatinny Arsenal, Dover, NJ |
CASI |
PTF |
Payload Test Facility |
Goddard |
PTF |
Payload Training Facility |
CASI |
PTFE |
PolyTetraFluoroEthylene |
CASI |
PTM |
Proof Test Model |
CASI |
PTM |
Pulse Time Modulation |
CASI |
PTM |
Pulse Time Multiplex |
CASI |
PTO |
Patent and Trademark Office |
Goddard |
PTP |
Programmable Telemetry Processor |
Goddard |
PTR |
Program Trouble Report |
Goddard |
PTS |
Permanent Threshold Shift |
CASI |
PTZ |
Pan/Tilt/Zoom |
CASI |
PU |
Propellant Utilization |
CASI |
PU |
Prototype Unit |
Goddard |
PUCK |
Propellant Utilization Checkout
Kit |
CASI |
PUD |
Pop-Up Detector |
Goddard |
PUR |
Payload Under Review |
CASI |
PURL |
Permanent Universal Resource
Locator |
CASI |
PUVEP |
Propellant Utilization Vehicle
Electronic Package |
CASI |
PV |
Photovoltaic |
CASI |
PV |
Photo-Voltaic |
Goddard |
PV |
Potential Vorticity |
CASI |
PV&D |
Purge, Vent & Drain |
CASI |
PVC |
Polyvinylchloride or Polyvinyl
chloride |
CASI |
PVD |
Parametric Drive Voltage |
Goddard |
PVD |
Plain View Display |
CASI |
PVM |
Parallel Virtual Machine |
Langley |
PVOR |
Precision Very High Frequency
Omnidirectional Range (VOR) |
CASI |
PVT |
Physical Vapor Transport |
CASI |
PVT |
Position, Velocity, and Time |
Goddard |
PVT |
Pressure, Velocity, and Temperature |
CASI |
PVT |
Production Validation Test |
CASI |
PVTOS |
Physical Vapor Transport of Organic
Solids |
CASI |
PW |
Precipitable Water |
Goddard |
PW |
Pulse Width |
Goddard |
PWA |
Printed Wiring Assembly |
Goddard |
PWA |
Project Work Authorization |
Goddard |
PWB |
Precipitable Water Vapor |
Goddard |
PWB |
Printed Wiring Boards |
CASI |
PWBS |
Project Work Breakdown Structure |
Goddard |
PWD |
Printed Wiring diagram |
Goddard |
PWFA |
Plasma Wakefield Accelerator |
CASI |
PWG |
Project Working Group |
Goddard |
PWI |
Pilot Warning Indicator (Related
to CAS Collision Avoidance System) |
CASI |
PWI |
Proximity Warning Instrument; |
CASI |
PWIA |
Plane Wave Impulse Approximation |
CASI |
PWL |
Power Watt Level (Acoustic units
of measurement, sound power level) |
CASI |
PWLA |
Portable Work Light Assembly |
Goddard |
PWM |
Pulse Width Modulation |
CASI |
PWR |
Pressurized Water Reactor |
CASI |
PWS |
Performance Work Statement |
Goddard |
PY |
Prior Year |
Goddard |
PY |
Program Year |
Goddard |
PYRO |
Pyrotechnic |
Langley |
PZT |
Lead Zirconate Titanate |
CASI |
PZT |
Piezoelectric Transducer |
Goddard |
|
|
|