Glossary of Terms

AAPP

AVHRR and ATOVS Processing Package

AATSR

Advanced Along Track Scanning Radiometer

ABI

Advanced Baseline Imager (GOES-R)

ABS

Advanced Baseline Sounder (GOES-R)

ACARS

Automated Communications Addressing and Reporting System

ACC

ASAP Coordinating Committee

ACRIMSAT

Active Cavity Radiometer Irradiance Monitor Satellite (NASA)

ADC

Atlantic Data Coverage

ADEOS-II

Advanced Earth Observing Satellite-II (JAXA)

ADM

Atmospheric Dynamics Mission (ESA)

ADM

Alternative Dissemination Methods

ADM

Advance Dissemination Means (WMO)

AERONET

Remote-sensing aerosol monitoring network programme

AHRPT

Advanced High Rate Picture Transmission

AIRS

Advanced IR Sounder

ALOS

Advanced Land Observing Satellite (JAXA)

AMDAR

Aircraft Meteorological Data Relay

AMR

Altimetry Microwave Radiomete

AMS

American Meteorological Society

AMSR

Advanced Microwave Scanning Radiometer

AMSR-E

Advanced Microwave Scanning Radiometer (modified version on ADEOS-II)

AMSU

Advanced Microwave Sounding Unit

AMV

Atmospheric Motion Vectors

AOCE

Attitude and Orbit Control Electronics

AOPC

Atmospheric Observation Panel for Climate (GCOS)

APSATS

Asian-Pacific Satellite Training

APT

Asia-Pacific Telecommunity (WRC)

APT

Automatic Picture Transmission

Aqua

Earth’s water cycle observing mission (NASA)

Aquarius

Global sea surface salinity measuring mission (NASA)

ARGOS

Data Collection and Location System

ARINA

Scientific payload on Resurs-DK1 for earth quake prediction

ASAP

Automated Shipboard Aerological Programme

ASCAT

C-band dual swath scatterometer (Metop)

ASCII

American Standard Code for Information Interchange

ASDAR

Aircraft to Satellite Data Relay

ASICS

Application Specific Integrated Circuits

ATMS

Advanced Technology Microwave Sounder

ATOVS

Advanced TOVS

ATSR

Along Track Scan Radiometer (ERS, ESA)

Aura

Mission measuring atmospheric chemistry and trace gases (NASA)

AVHRR

Advanced Very High Resolution Radiometer

AVNIR

Advanced Visible and Near Infrared Radiometer type 2 (ALOS, JAXA)

Baumanets

R&D space technology satellite primarily for students (Roscosmos)

BBC

Black Body Calibration (Meteosat)

BCCP

Business Continuity and Contingency Plan (USA)

BMD

Basic Meteorological Data

BMTC

Australia Bureau of Meteorology Training Centre

BSS

Broadcasting Satellite Service

BTD

Brightness Temperature Differences

BUFR

Binary Universal Form for data Representation

CAL

Computer Aided Learning

CALIPSO

Cloud-Aerosol Lidar and Infrared Pathfinder Satellite (NASA/CNES)

CART

Cloud and Radiation Test-bed

CAS

Commission for Atmospheric Sciences (WMO)

CboM

Commonwealth Bureau of Meteorology Australia

CBS

Commission for Basic Systems

CCD

Charged Couple Device (INSAT-2E)

CCIR

Consultative Committee on International Radio

CCRI

Climate Change Research Initiative

CCSDS

Consultative Committee on Space Data Systems

CD

Compact Disc

CDAS

Command and Data Acquisition Station

CDMA

Code Division Multiple Access

CDS

Climate Data Set (EUMETSAT)

CEOS

Committee on Earth Observation Satellites

CEPT

Conference Européenne des Postes et Télécommunications/European Conference of Postal and Telecommunications Administrations

Cg

WMO Congress

CGMS

Coordination Group for Meteorological Satellites

CHAMP

German EO Satellite

CHRIS

Compact High Resolution Imaging Spectrometer (PROBA, ESA)

CHRPT

Chinese HRPT (FY-1C and D)

CI

Convective Initiation (NOAA)

CIIS

Common Instrument Interface Studies

CIMS

GOES Channel Interference Monitoring System

CIMSS

Cooperative Institute of Meteorological Satellite Studies, Univ. Wisconsin

CIS

Commonwealth of Independent States

CITEL

Inter-American Telecommunication Commission

CLARE

Cloud Lidar And Radar Experiment

CLASS

Comprehensive Large-Array Stewardship System (NOAA)

CloudSat

Global cloud property measuring satellite (NASA/CSA)

CLS

Collecte Localisation Satellites (Toulouse)

CM

WMO Consultative Meetings on High-Level Policy on Satellite Matters

CM-SAF

Satellite Application Facility on Climate Monitoring (EUMETSAT)

CMA

China Meteorological Administration

CMD

Cyclone Warning Dissemination Service

CME

Coronal Mass Ejections

CMIS

Conical Scanning Microwave Imager/Sounder

CMP

Climate Monitoring Principles (GCOS)

CMS

Centre de Météorologie Spatiale (Lannion)

CMV

Cloud Motion Vector

CMW

Cloud Motion Wind

CNR

Consiglio Nazionale delle Ricerche (Italy)

CNSA

China National Space Administration

COCTS

10-band Chinese Ocean Colour and Temperature Scanner

COEs

Centres of Excellence (WMO)

COMS

Communication, Ocean and Meteorological Satellite (KMA)

CONAE

Comisión Nacional de Actividades Espaciales (Argentina)

COOP

Coastal Oceans Observations Panel (GOOS)

COP

Conference of the Parties (GCOS)

COSPAR

Committee on Space Research

COSPAS/ SARSAT

International satellite system for search and rescue (SAR)

CPM

Conference Preparatory Meeting (WRC)

CR

CGMS Consolidated Report

CrIS

Cross track Infrared Sounder

CRYOSAT

Polar Ice Monitoring Programme (ESA)

CZI

4-band Coastal Zone Imager (HY-1B)

DAPS

DCS Automated Processing System (USA)

DCP

Data Collection Platform

DCPC

Data Collection or Production Centre (WIS, WMO)

DCRS

Collaboration on Global Frequency Allocation harmonisation

DCS

Data Collection System

DCWDS

Digital Cyclone Warning Dissemination System (India)

DIF

Directory Interchange Format

DMSP

Defense Meteorological Satellite Program (NOAA)

DOD

Department of Defense (USA)

DOMSAT

Domestic telecommunications relay Satellite (NOAA)

DPC

Directional Polarisation Camera (CNSA)

DPI

Derived Product Images (USA)

DPM

WMO Natural Disaster Prevention and Mitigation Programme

DPT

Delayed Picture Transmission

DR

Direct Readout services (ADM)

DRS

DCP Retransmission System (Meteosat)

DRT

Data Relay Transponder (INSAT)

DSB

Direct Soundings Broadcast

DSCOVR

Deep Space Climate Observatory (NASA)

DUS

Data Utilisation Station (USA) (Japan)

DVB

Direct Video Broadcast

DWS

Disaster Warning System (India)

EARS

EUMETSAT ATOVS Retransmission Service

EarthCARE

Cloud & aerosol mission (ESA)

EBB

Electronic Bulletin Board

EC

Executive Council (WMO)

ECMWF

European Centre for Medium-Range Weather Forecasts

ECP

European Common Proposal (CEPT)

ECT

Equator crossing time

ECV

Essential Climate Variables

EDR

Environmental Data Records (NPOESS)

EDU

Engineering Development Unit

EEIS

EUMETSAT External Information System

EESS

Earth Exploration Satellite Service (Frequency Management)

EIRP

Effective isotropically-radiated power

ELEKTRO

Geostationary meteorological satellite

EMC

Electromagnetic Compatibility

EMWIN

Emergency Manager Weather Information Network (NOAA)

ENVISAT

ESA polar satellite for environment monitoring

EO

Earth Observation

EOS

Earth Observation System

EPA

US Environmental Protection Agency

EPS

EUMETSAT Polar System

ERBE

Earth Radiation Budget Experiment

ERBS

Earth Radiation Budget Satellite (NASA)

ERS

ESA Remote Sensing Satellite

ESA

European Space Agency

ESCAP

Economic and Social Commission for Asia and the Pacific, UN

ESJWG

Earth Sciences Joint Working Group

ESOC

European Space Operations Centre (ESA)

ET-EGOS

Expert Team on Evolution of the Global Observing System (WMO)

ET-ODRRGOS

Expert Team on Observational Data Requirements and Redesign of the GOS

ET-SAT

OPAG IOS Expert Team on Satellite Systems (WMO)

ET-SUP

OPAG IOS Expert Team on Satellite Utilisation and Products (WMO)

EU

European Union

EUCOS

EUMETNET Composite Observing System

EUMETCast

EUMETSAT Satellite Data Dissemination System

EUMETNET

The Network of European Meteorological Services

EUMETSAT

European Organisation for the Exploitation of Meteorological Satellites

FAA

Federal Aviation Authority (USA)

FAO

Food and Agriculture Organisation (UN)

FENGYUNCast

FENGYUN Satellite Data Dissemination System

FOV

Field of View (NOAA)

FTP

File Transfer Protocol

FWIS

Future WMO Information Systems (CBS Inter-Programme Task Team)

FXTS

Facsimile Transmission System (USA)

FY-1

Polar-orbiting Meteorological Satellite (PRC)

FY-2

Geostationary Meteorological Satellite (PRC)

FY-3

Second generation of Polar-orbiting Meteorological Satellite (PRC)

GAW

Global Atmosphere Watch (WMO Atmospheric Research Environment Programme)

GCOM

Global Change Observation Mission (NASDA)

GCOS

Global Climate Observing System

GDPT

Chinese Delayed Picture Transmission Format (Global Data) (FY-1C)

GDS

Ground Data System

GEO

Inter-governmental Group on Earth Observations

GEOSS

Global Earth Observation System of Systems

GERB

Geostationary Earth Radiation Budget (MSG, EUMETSAT)

GESN

Global Education and Science Network

GEWEX

Global Energy and Water Cycle Experiment (WCRP)

GFCS

Global Framework for Climate Services

GIFTS

Geosynchronous Imaging Fourier Transform Spectrometer (NASA)

GIMTACS

GOES I-M Telemetry and Command System

GISC

Global Information System Centre (WIS, WMO)

GLI

Generation Global Imager (GCOM)

GLM

Geostationary Lightning Mapper (GOES, NOAA)

GLOBUS

Multichannel scanning radiometer (Meteor-3M N2)

Glory

CCRI global distribution of natural and anthropogenic aerosols mission (NASA)

GMES

Global Monitoring for Environment and Security (EU)

GMR

GOES Meteosat Relay

GMS

Geostationary Meteorological Satellite (Japan)

GNSS

Global Navigation Satellite System

GOCE

Gravity Field and Steady State Ocean Circulation Explorer (ESA)

GOES

Geostationary Operational Environmental Satellite (USA)

GOMAS

Geostationary Observatory for Microwave Atmospheric Sounding (WMO)

GOME

Global Ozone Monitoring Experiment (Metop, ERS)

GOMS

Geostationary Operational Meteorological Satellite (Russ. Fed.)

GOOS

Global Ocean Observing System (IOC, UNEP, WMO, ICSU)

GOS

Global Observing System (WMO)

GOSAT

Greenhouse Gases Observing Satellite (JAXA/Jap. Min. of Environment)

GPCP

Global Precipitation Climatology Project

GPM

Global Precipitation Measurement (JAXA/NASA)

GPS

Global Positioning System

GRA

GOOS Regional Alliances

GRACE

Gravity Recovery and Climate Experiment (NASA/DLR)

GRAS

GNSS Receiver for Atmospheric Sounding

GRIB

Data representation form for General Regularly-distributed Information in Binary (WMO)

GRP

GEWEX Radiation Panel (GEWEX, WCRP)

GSICS

Global Satellite Intercalibration System

GSLMP

Global Sea Level Monitoring Programme

GTS

Global Telecommunication System (WMO)

GVAR

GOES Variable (data format) (USA)

HAPS

High Altitude Platform System

HDF

Hierarchical Data Format

HDFS

High Density Fixed Service

HDFSS

High Density Fixed Satellite Systems

HDR

High Data Rate

HEO

Highly Elliptical Orbit

HES

Hyperspectral Environmental Suite (GOES, NOAA)

HiRID

High Resolution Imager Data

HIRS

High Resolution Infrared Sounder

HLPP

(CGMS) High Level Priority Plan

HR

High Resolution

HRD

High Rate Data (NPOESS, USA)

HRDCP

High Rate DCP

HRPT

High Rate Picture Transmission

HSRS

High Spectral Resolution Sounder (MSG)

HWR

Hydrology and Water Resource Programme (WMO)

HYDROS

Hydrosphere State Mission (NASA)

ICESat

Ice Cloud and Land Elevation Satellite (NASA)

ICI

Inversion Coupled with Imager (Meteo-France)

ICSC

CAS International Core Steering Committee (THORPEX)

ICWG

International Coordination Working Group (EO)

IDCP

International DCP

IDCS

International Data Collection System

IDDI

Infra-red Difference Dust Index

IDN

International Directory Network (CEOS)

IDPS

Interface Data Processing Segment (NPOESS)

IFRB

International Frequency Registration Board

IGACO

Integrated Global Atmospheric Chemistry Observations (IGOS)

IGDDS

Integrated Global Data Dissemination Service

IGEOLab

International Geostationary Laboratory concept

IJPS

Initial Joint Polar-orbiting Operational Satellite System

IKFS-2

Advanced IR atmospheric sounder

IMT-2000

International Mobile Telecommunication 2000 (before FPLMTS)

INSAT

Indian geostationary satellite

IOC

Intergovernmental Oceanographic Commission (UNESCO)

IODC

Indian Ocean Data Coverage

IOP

Initial Operations Phase (SAF, EUMETSAT)

IOTWS

Indian Ocean Tsunami Warning Service

IPO

Integrated Program Office (NOAA)

IPOMS

International Polar-orbiting Meteorological Satellite Group

IPWG

International Precipitation Working Group

IPY

International Polar Year (ICSU, WMO)

IQGSE

Image Quality Ground Support Equipment (EUMETSAT)

IR

Infrared

IRAS

Infrared Atmospheric Sounder (FY-3, CMA)

IRTS

Infrared Temperature Sounder (EPS)

IRW

Infrared Window

ISADP

Integrated System for the ATOVS Data ProcessingIntegrated System for the ATOVS Data Processing

ISCCP

International Satellite Cloud Climatology Project (GEWEX, WCRP)

ISS

Information Systems and Services; International Space Station

ISWMR

SAF Integrated Satellite Wind Monitoring Report (EUMETSAT)

ITSC

International TOVS Study Conference

ITT

Invitation to Tender

ITU

International Telecommunication Union

ITWG

International TOVS Working Group

IVOS

Infrared and Visible Optical System Calibration (CEOS WGCV)

IWW

International Winds Workshop

IWWG

International Winds Working Group

JASON

Ocean surface Topography follow-on mission to TOPEX/POSEIDON (CNES/NASA)

JAXA

Japan Aeronautic Exploration Agency (name change of NASDA)

JCOMM

Joint WMO/IOC Technical Commission for Oceanography and Marine Meteorology

JCSDA

Joint Centre for Satellite Data Assimilation (USA)

JMA

Japan Meteorological Agency

JRA-25

“Japanese Re-Analysis 25 years” JMA research project of long-range re-analysis of global atmosphere

JSC

Joint Scientific Committee (WCRP)

KARI

Korea Aerospace Research Institute

KLIMAT

Scanning Infrared radiometer on Meteor-3M N1 (Russia)

KMA

Korea Meteorological Administration

KNMI

The Royal Dutch Meteorological Institute

KOMPAS

Microsatellite, earthquake investigations (Roscosmos)

LAN

Local Area Networks (Telecommunication)

Landsat

NASA Earth observing Satellite (NASA/USGS)

LBR

Low Bit Rate

LCL

Latch Current Limiter

LDCM

Landsat Data Continuity Mission (NASA/US Geological Survey)

LDPT

Chinese Delayed Picture Transmission Format (Local Data Coverage) FY-1CChinese Delayed Picture Transmission Format (Local Data Coverage) FY-1C

LEOP

Launch and Early Operations Phase

LR

Low Resolution

LRD

Low Rate Data (NPOESS, USA)

LRIT

Low Rate Information Transmission

LRPT

Low Rate Picture Transmission

LSPIM

Land Surface Processes and Interactions Mission (ESA)

LST

Local Solar Time

MAP

Mesoscale Alpine Experiment

MAP-SST

Merged Atlantic Product – Sea Surface Temperature (SAF, EUMETSAT)

MARF

Meteorological Archive and Retrieval Facility (EUMETSAT)

MBWG

MSG Biosphere Working Group

MCP

Meteorological Communications Package

MCUT

Multi-Constellation User Terminal (NOAA)

MDD

Meteorological Data Distribution (Meteosat)

MDUS

Medium-scale Data Utilization Station (for GMS S-VISSR)

MEGHA- TROPIQUE

CNES/ISRO mission

MERIS

Medium Resolution Imaging Spectrometer (ENVISAT)

MERSI

Medium Resolution Spectral Imager (FY-3, CMA)

MetAids

Meteorological Aids Service (frequency regulation)

METEOR

Polar-orbiting meteorological satellite (Roshydromet)

Meteosat

Geostationary meteorological satellite (EUMETSAT)

Metop

European meteorological polar-orbiting satellite

METSAT

Indian geostationary meteorological satellite

MetSat

Meteorological satellite systems (frequency regulation)

MHS

Microwave Humidity Sounder (EPS)

MIEC

Meteorological Information Extraction Centre (ESOC)

MIMR

Multi-frequency Imaging Microwave radiometer

MIVZA

Microwave scanning radiometer (Meteor 3M N1)

MOCC

Meteosat Operational Control Centre (ESOC)

MODIS

Moderate Resolution Imaging Spectroradiometer (NOAA)

MONITOR-E

Land Observing Satellite (Roscosmos)

MOP

Meteosat Operational Programme

MPEF

Meteorological Products Extraction Facility (EUMETSAT)

MSC

Meteorological Satellite Centre (Japan)

MSC-CAL

Computer Aided Learning system by JMA/MSC

MSG

Meteosat Second Generation

MSM

Meso-Scale Model

MSMR

Multichannel Scanning Microwave Radiometer (OCEANSAT-1)

MSS

Mobile Satellite Services (frequency regulation)

MSU

Microwave Sounding Unit

MTG

Meteosat Third Generation

MTP

Meteosat Transition Programme

MTS

Microwave Temperature Sounder (EPS)

MTSAT

Multi-functional Transport Satellite (Japan)

MTVZA

Microwave scanning radiometer (Meteor 3M N1)

MVIS

Multi-channel VIS and IR Radiometer (FY-1C and D of PRC)

MWHS

Microwave Humidity Sounder

MWR

Microwave Radiometer (ERS, ESA)

MWRI

Microwave Radiation Imager (FY-3, CMA)

MWRS

Microwave Radiometers

MWTS

Microwave Temperature Sounder (FY-3, CMA)

NASA

National Aeronautics and Space Agency

NASDA

National Space Development Agency of Japan (changed to JAXA in 2003)

NEDT

Noise Equivalent Delta Temperature

NESDIS

National Environmental Satellite Data and Information Service

NGDC

National Geophysical Data Centre (USA)

NGSO

Non-geostationary systems

NIST

US National Institute of Standards and Technology

NMC

National Meteorological Centre

NMHS

National Meteorological & Hydrological Service

NMP EO-1

New Millennium Program Earth Observing Mission (NASA)

NOAA

National Oceanic and Atmospheric Administration

NOS

National Ocean Service (USA)

NPOESS

National Polar-orbiting Operational Environmental Satellite System (USA)

NPP

National Polar-orbiting Partnership

NSMC

National Satellite Meteorological Center of CMA (PRC)

NTIA

National Telecommunications and Information Agency (USA)

NWP

Numerical Weather Prediction

NWS

National Weather Service (USA)

OCAP

Operational Consortium of ASDAR Participants

OCEANSAT

Indian satellite for ocean applications

OCO

Orbiting Carbon Observatory (NASA)

OLR

Outgoing Longwave Radiation

OOPC

Oceans Observations Panel for Climate (GOOS)

OPAG-IOS

Open Programme Area Group in Integrated Observing Systems

OSE

Operational System Experiments (ET-ODRRGOS)

OSSE

Observing System Simulation Experiments (ET-ODRRGOS)

OSTM

Ocean Surface Topography Mission (Jason-2) (CNES/NASA/ NOAA/EUMETSAT)

OWSE-AF

Operational WWW Systems Evaluation for Africa

PALSAR

Phased Array type L-band Synthetic Aperture Radar ((ALOS, JAXA)

PAMELA

AntiMatter Exploration and Light-nuclei Astrophysics

PATMOS

AVHRR Pathfinder Atmosphere (NOAA)

PC

Personal Computer

PMW

Passive Microwave

POEM

Polar-orbiting Earth Observation Mission (ESA)

POES

Polar-orbiting Operational Environmental Satellite (USA)

PR

Precipitation Radar (on TRMM, JAXA)

PRC

People’s Republic of China

PRISM

Panchromatic Remote-sensing Instrument for Stereo Mapping (ALOS, JAXA)

PROBA

Project for On-Board Autonomy (ESA EO satellite)

PTT

Post Telegraph and Telecommunications authority

PTWC

Pacific Tsunami Warning Centre

QA4EO

Quality Assurance Framework for Earth Observation

QI

Quality Indices

QuikSCAT

Quik Scatterometer (NASA)

RA

Regional Association of WMO

RAMSDIS

Menu-driven system for analysing digital satellite imagery (McIDAS, USA)

RAOBS

Radiosonde Observations

RARS

Regional ATOVS Re-transmission System (WMO)

RASA

Russian Aviation and Space Agency

RDCP

Regional DCP (Japan)

RDR

Raw Data Records (NPOESS)

Resurs-DK

Russian land observing satellite (Roscosmos)

RFI

Radio Frequency Interference

RLAN

new wireless LANs

RMS

Root Mean Square

RMTC

Regional Meteorological Training Centre (WMO)

Roscosmos

[Russian] Federal Space Agency

Roshydromet

Russian Federal Service for Hydrometeorology and Environmental Monitoring

RSB

Reflective Solar Bands (MODIS NOAA)

RSMC

Regional Specialised Meteorological Centre

RSO

Rapid Scan Operations (NOAA)

RSS

Rapid Scan Service (EUMETSAT)

RT

Radiative Transfer

S & R

Search and resuce mission

S-FAX

S-band facsimile broadcast of FY-2 (PRC)

S-VISSR

Stretched VISSR

SAGE III

Stratospheric Aerosol and Gas Experiment (NASA)

SAM

Satellite Anomaly Manager

SAR

Synthetic Aperture Radar (ERS ESA)

SARA

Short Range Automotive Radar (frequency management)

SARSAT

Search And Rescue, Satellite supported facility

SAST

Shanghai Academy of Space Technologies

SATAID

Satellite Animation and Interactive Diagnosis (Japan)

SATOB

WMO code for Satellite Observation

SBA

Societal Benefit Area

SBSTA

UNFCCC Subsidiary Body for Scientific and Technology Advice

SBUS

Solar Backscatter Ultraviolet Sounder (FY-3, CMA)

SBUV

Solar Backscattered Ultra Violet (ozone)

SCOPE-CM

Sustained and coordinated processing of Environmental Satellite data for Climate Monitoring

SD

Solar Diffuser (MODIS)

SDR

Sensor Data Records (NPOESS)

SEAS

Shipboard Environmental (data) Acquisition System

SEC

Space Environment Center (NOAA)

SEISS

Space Environmental In-Situ Suite (GOES, NOAA)

SEM

Space Environment Monitor (GOES)

SEVIRI

Spinning Enhanced Visible and Infrared Imager (MSG)

SFCG

Space Frequency Coordination Group

SG-RFC

Steering Group on Radio Frequency Coordination

SGLI

Second Generation Global Imager (CGOM-B1)

SICH-1M

Russian oceanographic satellite (Roscosmos)

SIS

Solar Imaging Suite (GOES, NOAA)

SMA

State Meteorological Administration (PRC)

SMD

Stored Mission Data (NPOESS)

SMOS

Soil Moisture and Ocean Salinity (ESA)

SORCE

Solar Radiation and Climate Experiment (NASA)

SOT

Ship Observation Team (JCOMM)

SP

Space Programme (WMO)

SRF

Spectral Response Function

SRR

Automotive Short-Range Radars (frequency management)

SRS

Space Research Service (frequency regulation)

SRSO

Super-Rapid-Scan Operations

SRTM

Shuttle Radar Topography Mission (NASA)

SSM/I

Special Sensor Microwave/Imager (NOAA)

SSMI/S

Special Sensor Microwave Imager/Sounder (NOAA)

SSMR

Scanning Multispectral Microwave Radiometer

SSMT1

microwave temperature sounder (NOAA)

SSMT2

microwave water vapour sounder (NOAA)

SSP

Sub-Satellite Point

SST

Sea Surface Temperature

SSU

Stratospheric Sounding Unit

STC

Semi-Transparent Correction (NOAA)

SWARM

Earth Observation mission (ESA)

SXI

Solar X-Ray Imager (GOES-12)

TD

Technical Document (WMO)

TERRA

Earth climate measuring satellite (NASA)

THORPEX

International global atmospheric R&D programme (WMO CAS)

TIGGE

THORPEX Interactive Grand Global Ensemble

TIROS

Television Infrared Observation Satellite

TMI

TRMM Microwave Imager

TOMS

Total Ozone Mapping Spectrometer (NASA)

TOR

Terms of Reference

TOU

Total Ozone Unit (FY-3, CMA)

TOVS

TIROS Operational Vertical Sounder

TPW

Total Precipitable Water (NOAA)

TRMM

Tropical Rainfall Measuring Mission (NASA, JAXA)

TTC

Telemetry Tracking Control

U-MARF

United Meteorological Archive Retrieval Facility (EUMETSAT)

UARS

Upper Atmosphere Research Satellite (NASA)

UHF

Ultra High Frequency

UMTS

Universal Mobile Telecom System

UN

United Nations

UN-OOSA

UN Office of Outer Space Affairs

UNFCCC

United Nations Framework Convention on Climate

UNISPACE

United Nations Space Conference

UPS

Unified Propulsion Subsystem

UTC

Universal Time Coordinated

UWB

Ultra Wide Band

VAS

VISSR Atmospheric Sounder

VGT

Vegetation

VHF

Very high Frequency

VHRR

Very High resolution Radiometer

VIIRS

Visible Infrared Imaging Radiometer Suite

VIRSR

Visible and Infrared Scanning Radiometer (EPS)

VIS

Visible Channel

VISITView

VL tool

VISSR

Visible and Infrared Spin Scan Radiometer

VL

Virtual Laboratory (training concept)

VL-FG

VL Focus Group Meeting

VLSI

Very Large Scale Integrated circuit

VPN-PP

WIS Virtual Private Network Pilot Project

VTX

VHF transmitter (NOAA)

WALEX

Water Vapour Lidar Experiment

WARC

World Administrative Radion Conference

WCRP

World Climate Research Programme

WCS

WMO Core Standards

WEFAX

Weather Fascimile

WG

Working Group

WGCV

CEOS Working Group on Calibration and Validation

WGNE

Working Group on Numerical Experimentation

WHyCOS

World Hydrological Cycle Observing System (HWR, WMO)

WIS

WMO Information System

WMO

World Meteorological Organization

WP

Working Paper

WRC

World Radio Conference (ITU)

WV

Water Vapour

WVMV

Water Vapour Motion Winds

WWW

World Weather Watch (WMO)

X-ADC
Y2K

Year 2000 compatibility

ZAMG

Zentralanstalt für Meteorologie und Geody

ZAP

Z-axis Precession Mode (GOES)