Acronyms
PAA
Priority Area Assessment
PANDOR
Pré traitement et ANalyse des mesures DORis
PAO
Public Affairs Official
PBO
Plate Boundary Observatory
PCO
phase center offset
PCV
Phase-Center Variations
PDF
Portable Document Format
PDR
Potsdam Dresden Reprocessing / GeoForschungsZentrum Potsdam & Technical University of Dresden
PG
Papua New Guinea
PGR
postglacial rebound
PhD
Doctor of Philosophy / philosophiae doctor
PHP
PHP: Hypertext Preprocessor
PI
Principal Investigator
PIVEX
Platform Independent VLBI Exchange Format
PKS
Parkes Radio Sources
PLATO
Performance Simulations & Architectural Trade-Offs
PM
Polar Motion
PMM
Plate Motion Model
PNT
positioning, navigation and timing
POC
point of contact
POCM
Parallel Ocean Climate Model
POD
Precise [or Precision] Orbit Determination
POE
Precise Orbit Comparison
POLAC
Paris Observatory Lunar Analysis Center
PoliMI
Politecnico di Milano
PP
Pilot Project
PPARC
Particle Physics and Astronomy Council, UK
ppb
parts per billion (10-9)
PPN
Precise-Position-Navigation
PPP
Precise Point Positioning
PPP-AR
Precise Point Positioning with ambiguity resolution
PPP-RTK
Precise Point Positioning Real-Time Kinematics
PRARE
Precise RAnge and Range-Rate Equipment
PRC
People's Republic of China
PREM
Preliminary Reference Earth Model
ps
picosecond(s)
PSD
post-seismic deformation
PSF
point spread function
PSR
pulsar(s)
PT
Project Team
PZ-90
Parametry Zemli 1990 goda (Earth's Parameters of 1990)
PZT
Photographic Zenith Tube [or Telescope]
