Acronyms - P
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PAC - Partial Aperture Calibrator
PAN - Production Acceptance Notification or Panchromatic
PAPH - Pseudo Average Pulse Height
PAR - Post Assessment Report
PASC - Partial Aperture Solar Calibrator
PB - Playback
PC - Personal Computer, Polyconic, or Production Control
PCA - Physical Configuration Audit, Physical Channel Access, or Point of Closest Approach
PCD - Payload Correction Data
PCDS - Payload Correction Data Subsystem
PCI - Peripheral Component Interface
PCS - Process Control Subsystem
PCSS - Program Coordinate Systems Standards
PD - Product Distribution
PDD - Presidential Decision Directive
PDF - Portable Document Format or Payload Data Formatter
PDI - Product Delivery Interface
PDPS - USGS – Planning and Data Processing Segment
PDR - Product Delivery Record or Preliminary Design Review
PDRD - Product Delivery Record Discrepancy
PDRM - Product Delivery Receipt Mechanism
PDS - Product Distribution System
PF1 - Poker Flats 1
PFPA - Prime Focal Plan Assembly
PG - Product Generation
PGS - Product Generation System (Generic Name for NLAPS)
PIA - Project Implementation Agreement
PL-DRO - Phase Locked Dielectric Resonance Oscillator
PM - Phase Modulation
PMPDR - Physical Media Product Delivery Record
PMPDRD - Physical Media PDR Discrepancy
PN - Pseudorandom Noise
PNTR - Pointer
POC - Point of Contact
POSC - Petrotechnical Open Software Corporation
PPF - Payload Processing Facility
ppm - Parts Per Million
PRB - Problem Report Message
PRI - Priority Mask Message
PS - Polar Stereographic or Production Server
PSA - Pre Security Assessment
PSD - Power Spectral Density
PSF - Point Spread Function
PSK - Phase Shift Keyed
PSR - Priority/Service Request Mask File
PTP - Primary Transfer Program or Programmable Telemetry Processor
PVCS - Polytron Version Control System
PVL - Parameter Value Language