| Acronym |
Full name |
Comments |
|
D Scale
|
Convective Scale
|
1 to 10 km
|
|---|
|
D/A
|
digital-to-analogue conversion
|
|---|
|
D/L
|
downlink
|
|---|
|
D/RADEX
|
Digital Radar Experiment
|
NWS
|
|---|
|
DA
|
drift angle
|
|---|
|
da
|
deka
|
Metric prefix meaning 10'
|
|---|
|
DAB
|
Defense Acquisition Board
|
|---|
|
DAC
|
Douglas Aircraft Corporation
|
|---|
|
DAC
|
Director's Advisory Committee
|
|---|
|
DAC
|
Disaster Assistant Center
|
|---|
|
DADS
|
Data Archive and Distribution System
|
|---|
|
DAESRA
|
Denver Area Employees Service and Recreation Association
|
|---|
|
DAF
|
Data Acquisition Facility
|
|---|
|
DAF
|
Device Assembly Facility
|
|---|
|
DAI
|
Data Assimilation Initiative
|
|---|
|
DAIRS
|
Differential Absorption Infrared Sensor
|
NCAR, ATD
|
|---|
|
DAM
|
Data Access Management
|
object-oriented software
|
|---|
|
DAMUS
|
Data Management and User Services
|
|---|
|
DAR
|
data acquisition request
|
|---|
|
DARE
|
Denver AWIPS Risk Reduction and Requirements Evaluation
|
preferred form of DARRRE
|
|---|
|
DARE-1
|
a weather service work station at PROFS
|
|---|
|
DARE-2
|
a weather service work station at PROFS
|
|---|
|
DARPA
|
Defense Advanced Research Projects Agency
|
U.S. Departmentof Defense
|
|---|
|
DARRRE
|
DAR3E
|
Denver AWIPS-90 Risk Reduction Requirements Evaluation
|
|---|
|
DART
|
Data Assimilation Research Testbed
|
|---|
|
DARTS
|
DOE Audit Reporting & Tracking System
|
|---|
|
DAS
|
Data-Acquisition System
|
|---|
|
DASA
|
Defense Atomic Support Agency
|
|---|
|
DASC
|
Division of Advanced Scientific Computing
|
NSF
|
|---|
|
DASC
|
Defense Logistics Agency Administrative Support Center
|
|---|
|
DASD
|
Direct Access Storage Device
|
|---|
|
DASM
|
design and analysis support model
|
|---|
|
DASMA
|
Deputy Assistant Secretary for Military Application
|
|---|
|
DAT
|
Data Acquisition Test
|
|---|
|
DAT
|
Digital audio tape
|
|---|
|
data feed
|
|
In the context of the Unidata LDM, a sequence of data products, all of the same feed type, injected into the IDD from a single data source
|
|---|
|
data product
|
|
In the context of the Unidata LDM, a unit of data with an associated feed type, product ID, injection time, and origin, and sequence number
|
|---|
|
data relay
|
|
In the context of the Unidata LDM, a network node that relays data products from one or more upstream source nodes to one or more downstream sink nodes. A relay node may provide data fan-out by receiving data products from a single upstream source that it then transmits to multiple downstream sinks
|
|---|
|
data sink
|
|
In the context of the Unidata LDM, a remote consumer of data products that must be transmitted as they arrive
|
|---|
|
data source
|
|
In the context of the Unidata LDM, a remote provider of data products
|
|---|
|
data stream
|
|
In the context of the Unidata LDM, a sequence of bulletins all of the same feed type broadcast from a single data source. Once the bulletins are converted into data products, the result is called a data feed
|
|---|
|
DAWG
|
Data Assimilation Working Group
|
|---|
|
DB
|
Direct Broadcast
|
|---|
|
DB
|
Division Burden
|
|---|
|
D-B
|
Davis-Bacon Act
|
|---|
|
DBA
|
data base administrator
|
|---|
|
DBER
|
Division of Biomedical and Environmental Research
|
ERDA
|
|---|
|
DBMS
|
Data Base Management System
|
|---|
|
DBSS
|
Directed Balloon Sounding System
|
|---|
|
DBX
|
debugger for UNIX
|
|---|
|
DBZ
|
Decibles
|
|---|
|
Dc
|
direct current
|
|---|
|
DC
|
Dublin Core--metadata
|
(http://purl.org/DC)
|
|---|
|
DCA
|
Washington National Airport
|
|---|
|
DCA
|
data collection assignment
|
|---|
|
DCAA
|
Defense Contract Audit Agency
|
|---|
|
DCAR
|
data collection analysis request
|
|---|
|
DCC
|
Direct Connect Service
|
|---|
|
DCE
|
Distributed Computing Environment
|
An architecture of programming interfaces, conventions, and server functionalities (eg. naming, distributed file system, remote procedure call) for distributing applications transparently across networks of heterogeneous computers promoted and controlled by the Open Software Foundation (OSF)
|
|---|
|
DCF
|
Data Capture Facility
|
|---|
|
DCG
|
Derived Air Concentration Guide for Uncontrolled Areas
|
DOE
|
|---|
|
DCLS
|
Data Collection Location System
|
Satellite borne system to receive relayed data from platforms
|
|---|
|
DCM
|
Deep Convection Model
|
three- dimensional, time-varying deep convection model
|
|---|
|
DCO
|
delayed compliance order
|
CAA
|
|---|
|
DCP
|
Data Collection Platform
|
|---|
|
DCR
|
data collection request
|
|---|
|
DCS
|
Direct Connect Service
|
|---|
|
DCSL
|
distributed CSL
|
|---|
|
DCTN
|
Defense Commercial Telecommunications Network
|
|---|
|
DCVZ
|
Denver Convergence Vorticity Zone
|
|---|
|
DCX
|
Delta Clipper experimental
|
rocket
|
|---|
|
dd
|
dated, delivered
|
|---|
|
DD
|
Demonstration Division
|
NOAA, FSL
|
|---|
|
DDB
|
delayed direct broadcast
|
|---|
|
DDC
|
Defense Documentation Center
|
Formerly ASTIA
|
|---|
|
DD+
|
Domestic Data Plus
|
A data stream provided by Alden comprising the NWS Domestic Data and Public Product services
|
|---|
|
DDD
|
Wind direction
|
Computer usage-transmission line (like WATS)
|
|---|
|
DDE
|
Dynamic (or Direct) Data Exchange
|
|---|
|
DDE
|
Distributed data environment
|
the SSEC term for the client/server format for McIDAS
|
|---|
|
DDESB
|
Department of Defense Explosives Safety Board
|
|---|
|
DDF
|
digital data formatter
|
|---|
|
DDHS
|
Digital Data Handling System
|
|---|
|
DDN
|
Data Defense Network
|
|---|
|
DDR
|
Deutsche Demokratische Republik
|
|---|
|
DDS
|
Domestic Data Service
|
A data feed that is part of the NWS Family of Services
|
|---|
|
DDS
|
Data Delivery Services
|
|---|
|
DDS
|
doctor of dental science, doctor of dental surgery
|
|---|
|
DE
|
Dynamics Explorer
|
|---|
|
DEA
|
Drug Enforcement Administration
|
|---|
|
DEAR
|
Department of Energy acquisition regulation
|
|---|
|
DEBITS
|
Deposition of Biogeochemical Important Trace Species
|
|---|
|
DEC
|
Digital Equipment Corporation
|
A well-known computer manufacturer
|
|---|
|
DEC
|
DOE environmental checklist
|
|---|
|
DECAFE
|
dynamique Et Chimie de l'Atmosphere en Foret Equitoriale
|
|---|
|
DECDOS
|
DEC's version of DOS
|
|---|
|
DECMAIL
|
An electronic mail facility provided by DEC
|
|---|
|
DECnet
|
Digital Equipment Corporation network
|
A protocol that allows DEC computers to be linked together via an electronic network
|
|---|
|
decoder
|
In the context of the Unidata LDM
|
A program that converts transmitted data products into a different form more suitable for use by applications. Decoders aften combine multiple products into a single decoded file
|
|---|
|
DECU
|
Developmental & Educational Communications Unit
|
India
|
|---|
|
DECUS
|
Digital Equipment Computer Users Society
|
DEC
|
|---|
|
DED
|
data element directory
|
|---|
|
degree-day
|
a measure of the departure of the mean daily temperature from a given standard
|
one degree-day for each degree (ÁC or ÁF) of departure above (or below) the standard during one day
|
|---|
|
DELNI
|
Digital Equipment Local Network Interconnect
|
A transceiver splitter box that taps into the Ethernet cable.Each DELNI box enables up to eight stand-alone computer workstations to be tied into the Ethernet
|
|---|
|
DEM
|
Digitized Elevation Models
|
|---|
|
DEM
|
digital elevation model
|
|---|
|
DemVal
|
Demonstration and validation
|
|---|
|
DERF
|
Dynamic Extended Range Forecasting
|
|---|
|
DES
|
Data Encryption Standard
|
NIST
|
|---|
|
DEST
|
Directed Energy Science & Technology
|
|---|
|
DETEC
|
Defense Technology Evaluation Code
|
|---|
|
device driver
|
The software that controls a particular hardware component, typically an output device (such as a printer or terminal) or an input port
|
|---|
|
dewpoint
|
|
The temperature to which a given air parcel must be cooled at constant pressure and constant water vapor content in order for saturation to occur.
|
|---|
|
DEWPOINT
|
Directed Energy Weapon Power Integration
|
|---|
|
DEWS
|
Doppler Electronic Weather Sensor
|
|---|
|
DF
|
direction finding
|
|---|
|
D&F
|
determination and findings
|
|---|
|
DFD
|
data flow diagram
|
|---|
|
DFDR
|
Digital Flight Data Recorder
|
|---|
|
DFS
|
Design and Fabrication Services
|
NCAR, EOL |
|---|
|
DFVLR
|
Deutsche Forschungs-und Versuchanstalt f?r Luft-und Raumfahrt e.V.
|
German Aerospace Research Establishment
|
|---|
|
DFW
|
Dallas-Fort Worth International Airport
|
|---|
|
DG
|
Data General, Inc.
|
|---|
|
DG
|
diesel generator
|
|---|
|
DGC
|
Division of Grants and Contracts
|
NSF
|
|---|
|
DGPS
|
Differential Global Positioning System
|
|---|
|
DHC
|
Data Handling Center
|
|---|
|
DHEW
|
Department of Health, Education, and Welfare
|
US, PHS
|
|---|
|
DH&HS
|
Director of Health & Human Services
|
|---|
|
DHR
|
Director of Human Resources
|
|---|
|
DHS
|
Data Handling Services
|
|---|
|
DIA
|
direct-interaction approximation
|
|---|
|
DIA
|
Denver International Airport
|
|---|
|
DIA
|
Defense Intelligence Agency
|
|---|
|
diabatic process
|
|
A thermodynamic change of state of a system in which the system exchanges energy with its surroundings by virture of a temperature difference between them.
|
|---|
|
DIAL
|
differential absorption lidar
|
|---|
|
diamond dust
|
|
Small ice crystals falling from an apparently cloudless sky, (often, but not always, at night).
|
|---|
|
DIB
|
directory information base
|
|---|
|
DIB
|
Disabilities Issues Board
|
|---|
|
DIC
|
dissolved inorganic carbon
|
|---|
|
DIC
|
Defense Intelligence College
|
|---|
|
DICOMED
|
Online graphics recorder used at NCAR for producing microfilm and microfiche output
|
|---|
|
DID
|
data item description
|
|---|
|
DIF
|
Data Interface Facility
|
|---|
|
DIF
|
Directory Interchange Format
|
|---|
|
DIFAX
|
Digital facsimile map
|
A data stream of digitized maps provided by the NWS
|
|---|
|
DIG
|
DOE Interaction Group
|
|---|
|
DIMES
|
DIstributed MEtadata System
|
|---|
|
DIP Dual in-line package
|
|
A standard integrated circuit enclosed in a molded plastic unit. Consists of two parallel rows of pins connected to the circuit board
|
|---|
|
DIPS DMS Image Processing System
|
|
A software layer developed by the Naval Postgraduate School to organize the DMS functions into user-accessible programs
|
|---|
|
DIP switch
|
|
An on-off switch on a DIP that allows users to select options on a circuit board without altering the hardware
|
|---|
|
DIR
|
Director's Office
|
NCAR
|
|---|
|
DIRC
|
DOE Internal Review Committee
|
|---|
|
DIRP
|
DOE Internal Review Panel
|
|---|
|
Di_Sys
|
|
A vendor contracted by Unidata to develop prototype software for what became the LDM
|
|---|
|
DIS
|
Data Information System
|
|---|
|
DIS
|
Data Interface System
|
|---|
|
DIS
|
Defense Intelligence Service
|
|---|
|
DISA
|
Defense Information Systems Agency
|
|---|
|
DISN
|
Defense Information Systems Network
|
|---|
|
DLA
|
Defense Logistics Agency
|
|---|
|
DLD
|
Digital Loran Dropwindsonde
|
|---|
|
DLESE
|
Digital Library for Earth System Education
|
UCAR Office of Programs
|
|---|
|
DLPDU
|
data link protocol data unit
|
|---|
|
DLR
|
Deutsche Zentrum fur Luft-und Raumfarht
|
German Aerospace Center
|
|---|
|
DLS
|
Dynamic Limb Sounder
|
Oxford counterpart of HIRRLS
|
|---|
|
DLT
|
Digital Linear Tape
|
|---|
|
DM
|
data management
|
|---|
|
DMA
|
Defense Mapping Agency
|
|---|
|
DMA
|
Directory of Military Application
|
|---|
|
DMAIAGS
|
Defense Mapping Agency Inter-American Geodetic Survey
|
|---|
|
DMDS
|
DiMethyDiSulfide
|
|---|
|
DME
|
distance-measuring equipment
|
|---|
|
DMI
|
Danish Meteorological Institute
|
|---|
|
DML
|
RF Dimensional Metrology Laboratory
|
|---|
|
DMMR
|
Distributed-Memory Microprocessor systems
|
|---|
|
DMP
|
Data Management Plan
|
|---|
|
DMS
|
data management system
|
|---|
|
DMS
|
Device Management System
|
A collection of callable, C-language, image-processing functions developed by NASA
|
|---|
|
DMSP
|
Defense Meteorological Satellite Program
|
U.S. Air Force program
|
|---|
|
DMSP SPO
|
DMSP System Program Office
|
|---|
|
DNA
|
Defense Nuclear Agency
|
|---|
|
DNFSB
|
Defense Nuclear Facilities Safety Board
|
|---|
|
DNO
|
do not operate
|
|---|
|
DNP
|
Division of Nuclear Physics
|
|---|
|
DNS
|
direct numerical simulation
|
of turbulence
|
|---|
|
DNS
|
domain name service
|
|---|
|
DNS
|
Domestic Name System
|
A general-purpose distributed, replicated, data query service chiefly used on the Internet for translating hostnames into Internet addresses
|
|---|
|
DOA
|
Department of Agriculture
|
|---|
|
DOAS
|
Differential Optical Absorption Spectroscopy
|
|---|
|
DOC
|
Department of Commerce
|
U.S.
|
|---|
|
DOC
|
dissolved organic carbon
|
|---|
|
DOD
|
Digital Omega Dropwindsonde
|
|---|
|
DoD
|
Department of Defense
|
U.S.
|
|---|
|
DOD
|
Digital Optical Disk
|
|---|
|
DODCI
|
Department of Defense Computer Institute
|
|---|
|
DoDP
|
Department of Defense Programs
|
|---|
|
DODS
|
Distributed Ocean Data System
|
remote access to scientific data-Matlab client. Uses Unidata's netCDF software
|
|---|
|
DOE
|
Department of Energy
|
U.S.
|
|---|
|
DOE/HQ
|
Department of Energy Headquarters
|
|---|
|
DOE/HQ-EH
|
DOE Headquarters, Environment & Health
|
|---|
|
DOE/ID
|
DOE Idaho
|
|---|
|
DOELAP
|
DOE Laboratory Accreditation Program
|
|---|
|
DOE/NV
|
DOE Nevada Operations Office
|
|---|
|
DOE/RF
|
DOE Rocky Flats Operations Office
|
|---|
|
DOE/RFO
|
DOE Rocky Flats Office
|
|---|
|
DOE/RL
|
DOE Richland Operations
|
|---|
|
DOE/SR
|
DOE Savannah River
|
|---|
|
DOI
|
Department of Interior
|
U.S.
|
|---|
|
DOJ
|
Department of Justice
|
|---|
|
DOL
|
Department of Labor
|
|---|
|
DOMONIC
|
Johnsten Island Experiment
|
GARP
|
|---|
|
DOMSAT
|
Domestic satellite
|
|---|
|
DOOS
|
DICOMED Online Operating System
|
|---|
|
DOPLID
|
Doppler Lidar
|
|---|
|
DOPLIGHT
|
Doppler and Lightning Program
|
NSSL
|
|---|
|
DORIS
|
Determination d'Orbite et Radiopositionement Integre par Satellite
|
|---|
|
DORIS
|
Doppler orbitography & radiopositioning integrated by satellite
|
|---|
|
DOS
|
Department of State
|
|---|
|
DOS
|
Department of Space
|
India
|
|---|
|
DOS Disk Operating System
|
|
A computer operating system; see MSDOS and PCDOS
|
|---|
|
DOSECC
|
Deep Observation and Sampling of the Earth's Continental Crust, Inc.
|
|---|
|
DOT
|
Department of Transportation
|
U.S.
|
|---|
|
DOW
|
Defenders of Wildlife
|
|---|
|
downstream
|
|
In the context of the Unidata IDD, the direction of data flow from data sources to data sinks
|
|---|
|
downstream sink
|
|
See data sink
|
|---|
|
DP
|
data processing
|
|---|
|
DP
|
Defense Programs
|
DOE
|
|---|
|
DPC
|
DLESE Program Center
|
|---|
|
DPDC
|
Data Processing and Distribution Center
|
|---|
|
DPFC
|
Defense Program Field Council
|
|---|
|
DPG
|
Dahlgren Proving Ground
|
|---|
|
DPH
|
dew-point hygrometer
|
|---|
|
DPMB
|
Defense Programs Management Board
|
|---|
|
DPMI
|
DOS Protected Mode Interface
|
memory management
|
|---|
|
DPS
|
Data Production Services
|
|---|
|
DPSOL
|
Du Pont Savannah River Operations Logbook
|
|---|
|
DQ
|
Director of Quality
|
|---|
|
DQA
|
data quality assessment
|
|---|
|
DQM
|
data quality monitor
|
TWERLE
|
|---|
|
D/RADEX
|
Digital Radar Experiment
|
NWS
|
|---|
|
DR
|
discrepancy report
|
|---|
|
DRA
|
Defense Research & Applications
|
|---|
|
DRAAG
|
Design Review and Acceptance Group
|
|---|
|
DRB
|
Design Review Board
|
|---|
|
DRE
|
Defense Research and Engineering
|
|---|
|
DRGS
|
Direct Read-out Ground Station
|
|---|
|
DRI
|
Defense Research Internet
|
|---|
|
DRI
|
Desert Research Institute
|
University of Nevada
|
|---|
|
DRL
|
Deliverables Requirement List
|
|---|
|
DRL
|
data requirements list
|
|---|
|
DRM
|
design reference mission
|
|---|
|
DRMS
|
Data Record Management System
|
|---|
|
DROT
|
Direct Read Out Terminal
|
|---|
|
DRP
|
Design Review Presentation
|
|---|
|
DRPN
|
Division de Recherche en Precision Numerique
|
AES, Canada
|
|---|
|
DRTS
|
Data Relay and Tracking Satellite
|
Japan
|
|---|
|
Dry-MAP
|
Mesoscale Alpine Project
|
mountain waves near the Alps
|
|---|
|
DS
|
Lightning Detection Systems
|
|---|
|
DS-1
|
digital signal 1
|
|---|
|
DSA
|
directory system agent
|
|---|
|
DSAA
|
Defense Security Assistance Agency
|
|---|
|
DSAP
|
DOE special analysis project
|
|---|
|
DSAT
|
Distributed System Administration Team
|
|---|
|
DSB
|
direct soundings broadcast
|
|---|
|
DSDP
|
Deep Sea Drilling Project
|
Part of NSF's Natinal Ocean Sediment Coring Program
|
|---|
|
DSET
|
Desert Sunshine Exposure Testing, Inc.
|
|---|
|
DSI (+/or MOD)
|
Ministry of Defense
|
|---|
|
DSI (+/or MOD)
|
Defense Security Installation
|
UK
|
|---|
|
DSIR
|
Department of Scientific & Industrial Research
|
UK
|
|---|
|
dsl
|
distributed software libraries
|
|---|
|
DSM
|
DiMethylSulfide
|
|---|
|
DSM
|
demonstration support model
|
|---|
|
DSN
|
Deep Space Network
|
|---|
|
DSN
|
Defense Switched Network
|
|---|
|
DSRS
|
Data Storage and Retrieval System
|
|---|
|
DSS
|
Data Support Section
|
NCAR, SCD
|
|---|
|
DSSG
|
Defense Science Study Group
|
|---|
|
DST
|
Data Systems Test
|
GARP
|
|---|
| DTC |
Developmental Testbed Center |
NCAR |
|
DTC
|
distance traveled count
|
Refers to ground speed
|
|---|
|
DTC
|
Office of Defense Trade Controls
|
|---|
|
DTF
|
data test facility
|
|---|
|
DTF
|
development and test facility
|
|---|
|
DTF3
|
Diagnostic Turbulent Flux algorithm
|
used for diagnosing turbulence
|
|---|
|
DTF3.1
|
same as DTF3
|
except it eliminates the empirical estimates of the turbulent mixing length and avoids the use of a constant momentum mixing efficient
|
|---|
|
DTG
|
data time group
|
|---|
|
DTIC
|
Defense Technical Information Center
|
|---|
|
DTM
|
digital terrain map
|
|---|
|
DTR
|
development and test resource
|
|---|
|
DTRC
|
David Taylor Research Center
|
Navy
|
|---|
|
DTSA
|
Defense Technology Security Administration
|
|---|
|
DUDFCD
|
Denver Urban Drainage and Flood Control District
|
|---|
| DULTI |
University of Denver Low Turbulence Inlet |
|
DUOF
|
Depleted Uranium Oxide Facility
|
|---|
|
DVM
|
digital voltmeter
|
|---|
|
DVM
|
Dynamic Vegetation Model
|
|---|
|
DWB
|
Library, US Weather Bureau
|
Washington, D.C.
|
|---|
|
DWB
|
Developers Workbench
|
services architecture
|
|---|
|
DWB
|
Library, US Weather Bureau
|
Washington, D.C.
|
|---|
|
DWS
|
Dropwindsonde
|
|---|
|
DWTF
|
Decontamination and Waste Treatment Facility
|
LLNL
|
|---|
|
DXF
|
data exchange format
|
|---|
|
DYANA
|
Dynamics Adapted Network for the Atmosphere
|
STEP, Germany
|
|---|
|
DYCOMS
|
Dynamics and Chemistry of Marine Stratocumulus
|
|---|
|
DYCOMS-II
|
Dynamics and Chemistry of Marine Stratocumulus, Phase II
|
|---|
|
DYNA
|
structural dynamics analysis
|
|---|
