| 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
|