Appendix E: Acronyms and Abbreviations
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Appendix E: Acronyms and Abbreviations |
| 1DVar | One dimensional variational assimilation | |
| AAI | Absorbing Aerosol Index | |
| AAPP | ATOVS and AVHRR Pre-processing Package | |
| ADC | Analogue Digital Converter | |
| AMSU | Advanced Microwave Sounding Unit | |
| ANX | Ascending Node Crossing | |
| AOD | Aerosol Optical Depth | |
| ASCAT | Advanced SCATterometer | |
| ASCII | American Standard Code for Information Interchange | |
| ATOVS | Advanced TIROS-N Operational Vertical Sounder | |
| AU | Astronomical Unit | |
| AVHRR | Advanced Very High Resolution Radiometer | |
| BEAT | Basic Envisat Atmospheric Toolbox | |
| BSDF | Bi-directional Scattering Distribution Function | |
| BU | Binary Unit | |
| BUFR | Binary Universal Form for the Representation of meteorological data | |
| C/A | Coarse Acquisition | |
| CAL | Calibration function of EPS | |
| CATGAS | Calibration Apparatus for Trace Gas Absorption Spectroscopy | |
| CCSDS | Consultative Committee for Space Data Systems [recommends data standards] | |
| CDA | Command and Data Acquisition (station) | |
| CFI | Customer Furnished Item | |
| CGS | Core Ground Segment | |
| CGSRD | Core Ground Segment Requirements Document | |
| CIE | Commission Internationale de L'Eclairage/International Commission on Illumination | |
| CM SAF | Climate Monitoring Satellite Application Facility | |
| CMDL | Climate Monitoring and Diagnostics Laboratory | |
| CU | Calibration Unit of the GOME-2 instrument | |
| CVF | Cal/Val Facility at EUMETSAT | |
| DBS | Direct Broadcast Service | |
| DIAL | Differential Absorption Lidar | |
| DISORT | Discrete Ordinate Radiative Transfer model | |
| DLR | Deutsches Zentrum für Luft- und Raumfahrt e.V. | |
| DMDR | Dummy Main Data Record | |
| DMI | Danmarks Meteorologiske Institut | |
| DOAS | Differential Optical Absorption Spectroscopy | |
| DVB | Digital Video Broadcast | |
| DWD | Deutscher Wetterdienst | |
| EASOE | European Arctic Stratospheric Ozone Experiment | |
| ECMWF | European Centre for Medium-Range Weather Forecasts | |
| ENVISAT | ENVIronmental SATellite | |
| EOS | Earth Observing System | |
| EPS | EUMETSAT Polar System | |
| EPTOMS | Earth Probe TOMS | |
| ERS | European Remote Sensing (satellite) | |
| ESA | European Space Agency | |
| ESOC | European Space Operations Centre (Darmstadt, Germany) | |
| ESTEC | European Space Technology Centre (Noordwijk, NL) | |
| EUMETSAT | European Organisation for the Exploitation of Meteorological Satellites (Darmstadt, Germany) | |
| EURD | End User Requirements Document | |
| FIR | Finite Impulse Response | |
| FM | Flight Model. | |
| FMI | Finnish Meteorological Institute or Ilmatieteen Laitos | |
| FOV | Field Of View | |
| FPA | Focal Plane Assembly | |
| FRTM | Fast Radiative Transfer Model | |
| FTIR | Fourier Transform InfraRed | |
| FWHM | Full Width at Half Maximum | |
| GAC | Global Area Coverage (data) | |
| GAW | Global Atmosphere Watch (WMO programme) | |
| GDP | GOME Data Processor (ERS-2) | |
| GEADR | Global External Auxiliary Data Record | |
| GEU | GRAS Electronics Unit | |
| GIADR | Global Internal Auxiliary Data Record | |
| GMF | Geophysical Model Function | |
| GNSS | Global Navigation Satellite System | |
| GOME | Global Ozone Monitoring Experiment | |
| GPS | Global Positioning System | |
| GRH | Generic Record Header | |
| GRIB | Numerical weather prediction data in grid point form, expressed in binary | |
| G/S | Ground Segment | |
| GSN | Ground Support Network | |
| GTL | GOME TimeLine | |
| GTS | Global Telecommunication System | |
| GTT | GOME Timeline Table | |
| GZA | GRAS Zenith Antenna | |
| HCL | Hollow Cathode Lamp | |
| HDF | Hierarchical Data Format | |
| HIRS | High Resolution Infrared Radiation Sounder | |
| HK | Housekeeping | |
| HNMS | Hellenic National Meteorological Service, Greece | |
| HRPT | High Resolution Picture Transmission | |
| IASI | Infrared Atmospheric Sounding Interferometer | |
| ICU | Instrument Control Unit | |
| ID | Identification | |
| IFE | Institut für Fernerkundung der Universität Bremen (D) | |
| IFOV | Instantaneous Field Of View | |
| IIS | Integrated Imaging Subsystem | |
| IPR | Internal Pointer Record | |
| IR | InfraRed | |
| ISCCP | International Satellite Cloud Climatology Project | |
| IT | Integration Time | |
| ITSC | International TOVS Study Conference | |
| KMI | Koninklijk Meteorologisch Instituut van België / Institut Royal Météorologique de Belgique | |
| KNMI | Koninklijk Nederlands Meteorologisch Instituut (De Bilt, NL) | |
| LAP | Laboratory of Atmospheric Physics, Aristotle University of Thessaloniki | |
| LED | Light Emitting Diode | |
| LIDORT | Linearised Discrete Ordinate Radiative Transfer Model | |
| LNB | Low-Noise Block Converter | |
| LNP | Local Normal Pointing | |
| LRPT | Low Resolution Picture Transmission | |
| LSA SAF | Land Surface Analysis Satellite Application Facility | |
| LUT | Look-Up Table | |
| M&C | Monitoring and Control | |
| MDR | Main Data Record | |
| MDR | Measurement Data Record | |
| Metop | METeorological OPerational (satellite) | |
| MF | Météo-France | |
| MHS | Microwave Humidity Sounder | |
| MIPAS | Michelson Interferometer for Passive Atmospheric Sounding | |
| MIRP | Manipulated Information Rate Processor (for high data rate AVHRR) | |
| MLER | Minimum Lambert Equivalent Reflectivity | |
| MLST | Mean Local Solar Time | |
| MME | Müller Matrix Element | |
| MPF | Mission Planning Facility | |
| MPHR | Main Product Header Record | |
| NASA | National Aeronautics and Space Administration | |
| NDSC | Network for the Detection of Stratospheric Change | |
| NDVI | Normalised Difference Vegetation Index | |
| NIR | Near InfraRed | |
| NOAA | National Oceanic and Atmospheric Administration | |
| NPOESS | National Polar-orbiting Operational Environmental Satellite System | |
| NRT | Near Real Time | |
| NWC SAF | Satellite Application Facility on support to Nowcasting and Very Short-Range Forecasting | |
| NWP | Numerical Weather Prediction | |
| NWP SAF | Numerical Weather Prediction Satellite Application Facility | |
| O3M SAF | Ozone & Atmospheric Chemistry Monitoring Satellite Application Facility | |
| OBCT | On-Board Clock Time | |
| OMI | Ozone Monitoring Instrument | |
| OMPS | Ozone Mapping and Profiler Suite | |
| OSI SAF | Ocean and Sea Ice Satellite Application Facility | |
| PCD | Product Confidence Data | |
| PDU | Product Dissemination Unit | |
| PFS | Product Format Specification | |
| PFV | Product Format Version | |
| PG | Power Gain | |
| PGE | Product Generation Environment | Note: In the context of the EPS Product Guides and the PGS and PFS documents, the abbreviations PGE & PGF are defined as indicated here, but they may have different meanings in other, more recent, documents. |
| PGF | Product Generation Function | |
| PGS | Product Generation (function) Specification | |
| PLLO | Phase-Locked Loop Oscillator | |
| PLM | PayLoad Module | |
| PMC | Payload Module Control | |
| PMD | Polarisation Measurement Device | |
| POD | Precise Orbit Determination | |
| PPF | Product Processing Facility of the EPS CGS | |
| PPG | Pixel-to-Pixel Gain | |
| PQE | Product Quality Evaluation | |
| PRN | Pseudo Random Noise code [of GPS satellite] | |
| PRT | Platinum Resistance Thermometer | |
| PSF | Points Spread Function | |
| PSO | Position sur l'Orbite | |
| PU | Polarisation Unit | |
| RAO | Research Announcement of Opportunity | |
| RD | Reference Document | |
| RFCU | Radio Frequency Conditioning Unit | |
| RMDCN | Regional Meteorological Data Communication Network | |
| RMS | Root Mean Square | |
| ROPP | Radio Occultation Processing Package | |
| RTM | Radiative Transfer Model | |
| SAA | Southern Atlantic Anomaly | |
| SAF | Satellite Application Facility | |
| SAO | Smithsonian Astrophysical Observatory (Cambridge, USA) | |
| SBT | Satellite Binary Time | |
| SBUV | Solar Backscatter Ultra-Violet Experiment | |
| SCIAMACHY | Scanning Imaging Absorption Spectrometer for Atmospheric Cartography | |
| SEM | Space Environment Monitor | |
| SESAME | Second European Stratospheric Arctic and Mid-latitude Experiment | |
| SLS | Spectral Light Source | |
| SMR | Sun Mean Reference | |
| SOT | SOlar calibration Timeline | |
| SPA | Sensor Performance Assessment | |
| SPHR | Secondary Product Header Record | |
| SRON | Space Research Organisation of the Netherlands (Utrecht, NL) | |
| SSD | Sounding Support Data | |
| SSST | Single Space Segment Team | |
| SST | Sea Surface Temperature | |
| SVM | SerVice Module | |
| SZA | Solar Zenith Angle | |
| TBC | To Be Confirmed | |
| TBD | To Be Defined | |
| TIROS | Television and InfraRed Operational Satellites | |
| TOMS | Total Ozone Mapping Spectrometer | |
| TOVS | TIROS Operational Vertical Sounder | |
| TPD | Technisch Physische Dienst (Delft, NL) | |
| TZD | Tropospheric Zenith Delay | |
| UMARF | Unified Meteorological Archive and Retrieval Facility | |
| UTC | Universal Time Coordinated | |
| UTC | Universal Time Clock | |
| UV | UltraViolet | |
| VEADR | Variable External Auxiliary Data Record | |
| VERA | VErsatile Retrieval Algorithm | |
| VIADR | Variable Internal Auxiliary Data Record | |
| VIS | Visible | |
| WLS | White Light Source | |
| WMO | World Meteorological Organization | |
| WOUDC | World Ozone and Ultraviolet Data Centre | |
| YSM | Yaw Steering Mode | |