Acronym List


Acronym Full name Comments
O and A orbit and altitude
O and E Operations and Equipment
O and M operations and maintenance
O/I optimal interpolation
O-O object-oriented
OA Office Automation
OAO Office of Aircraft Operations NOAA
OAR Office of Aerospace Research
OAR Oceanic and Atmospheric Research NOAA
OAR Office of Atmospheric Research
OAS Organization of American States
OASC Office of Advanced Scientific Computing NSF
OASIS Oceanic & Atmospheric Scientific Information System Literature based subject-author referral service of NOAA, see ENDEX
OASM operational analysis support model
OB Optical Bench
OBAC Office of Budget and Control NSF, ATM
OBC onboard computer
OBP onboard processor
OBS Organizational Breakdown Structure
OC operational capability
OCC Operations Control Center
OCE Division of Oceanic Sciences NSF
OCG Ocean Catalog Group NASA
OCI Ocean Color Imager
OCM ocean circulation model GARP
OCME Oceanographic Community Modeling Effort
OCR Optical character reader OCR-A American Standard, OCR-B European Standard
OCTA Oxidizing Capacity of the Troposphere Atmosphere
OCTS Ocean Color and Temperature Scanner
OD outside diameter
ODE Ordinary Differential Equation
ODGA Office of Development and Government Affairs UCAR
ODP Ocean Drilling Program
ODP Ozone Depletion Potential
ODP onboard data processor
ODR onboard data router
ODW Omega Dropwindsonde
OEA Office of External Affairs UCAR
OECD Organization for Economic Cooperation and Development
OFAP Observing Facilities Advisory Panel NCAR, ATD
OFCM Office of the Federal Coordinator for Meteorology
OFDA Office of Foreign Disaster Assistance
OFPS Office of Field Project Support NCAR, MMM
OFS Office of Field Project Support NCAR, MMM
OGA Office of Government Affairs UCAR
OGCM Ocean General Circulation Model
OGO Orbiting Geophysical Observatory
OGP Office of Global Programs NOAA
OI optimal interpolation
OIES Office for Interdisciplinary Earth Studies UCAR
OIR Office of Industry Relations
OIRTD Office of Industrial Relations and Technology Development
O-LAPS LAPS ported to the University of Oklahoma to support VORTEX
OLE Object Linking and Embedding
OLR outgoing longwave radiation
OM Office of Meteorology NWS
OMB Office of Management and Budget U.S.
OMDR Optical Memory Disk Recorder
OMEGA Operational and prediction Multi-scale Environmental model with Grid Adaptivity SAIC
Omnet   a sub-network of Telemail
OMO Office of Meteorological Observations NWS
OMO Orbiting Meteorological Observatory
OMR Optical Mark Reader regarding computer pattern recognition
OMTF Optical Modulation Transfer Function
ONERA Office National d'Etudes et de Recherches Aerospatiales France
ONR Office of Naval Research under the Navy's Accelerated Research Initiative
ONR/BO Office of Naval Research/Branch Office
ONERA Office National d'Etudes et de Recherches Aerospatiales France
OO object oriented
OPAL Opacity Project at Livermore
OPC Optical Propagation Conference

1965, NCAR

OPeNDAP Open-source Project for a Network Data Access Protocol  
OPLE OMEGA Position and Location Experiment uses a geostationary satellite
OPLE Omega position location equipment
OPP Office of Polar Programs NSF
OPPE Office of Policy, Planning and Evaluation EPA
OPS onboard payload support
OPTRAN Optical Test Transmittance model
OR Operational Research
ORB Object Request Broker software package
ORCP Ocean Ridge Crest Processes
ORD Office of Research and Development
ORNL Oak Ridge National Laboratory
ORR operations readiness review
ORSTOM Institut Francais pour le Developpment en Corporation
ORU orbital replacement unit
OS Oceanography Section NCAR
OS/2 A multitasking operating system developed by IBM for its PC-class computers Unidata McIDAS requires this operating system
OSA Optical Society of America
OSCAR Oxidant-Scavenging Characteristics of April Rains
OSD Office of Systems Development NWS
OSDPD Office of Space Data Processing and Distribution also NESDIS/OSDPD
OSF Operational Support Facility Norman, Oklahoma
OSI Open Systems Interconnection
OSIS Office of Scientific Information Service NSF
OSL Orbiting Solar Laboratory
OSO Orbiting Solar Observatory NASA
OSO Office of Systems Operations NWS
OSO Office of Space Operations
OSPF Open Shortest Path First routing algorithm
OSR Office of Scientific Research USAF
OSS Observation System Simulation
OSS Office of Space Station
OSSA Office of Space Science and Applications NASA
OSSE Observing System Simulation Experiment GARP
OST Office of Science and Technology President's Advisory
OSTIV Organization Scientifique et Technique Internationale du Vol a Voile (conferences) International Scientific and Technical Gliding Organization
OSTP Office of Science and Technology Policy U.S.
OSTPC Open Systems Transition Planning Committee FSL, NOAA
OSV Ocean Station Vessel GARP
OT Optical Techniques Group NCAR
OTA Office of Technology Assessment Congress
OTB Operations Training Branch
OTS Office of Technical Services Department of Commerce
OU University of Oklahoma
OUASS Omega Upper Atmospheric Sounding Systems TOGA
OWRR Office of Water Resources Research Department of Interior
OWWS Office of World Weather Systems