Acronyms A-D

The following abbreviations and acronyms are used by satellite navigation specialists. If you know of any others that need to be added to the list or if you have any corrections to make, please send us an email.

A-D | E-I | J-P | Q-S | T-Z

ABS Anti Blocking System
AC Address Circular
AD Applicable Document
ACI Action Item Clarification
AD/R Architectural Design Review
ADD Architectural Design Document
ADP Acceptance Data Package
AES Analysis & Evaluation Segment
AFCL Air Force Cambridge Research Laboratories
AHRS Altitude Heading Reference System
AIR Inspection Aircraft & Independent Positioning
AIV Assembly, Integration and Verification
AIVP Assembly, Integration and Verification Plan
ANSP Air Navigation Service Provider
AOC Advance Operational Capability
AOR Atlantic Ocean Region
AOR-W Atlantic Ocean Region-West (INMARSAT III satellite)
AP Auto Pilot
APV Approach with Vertical Guidance
ARINC Aeronautical Radio, INC
ARTEMIS Advanced Relay and Technology Mission Satellite
ARTES Advanced Research in TElecommunication Systems
ASE Agence Spatiale Européenne or European Space Agency (ESA)
ASQF Application Specific Qualification Facility
ASQFRD ASQF Requirements Document
AT Acceptance Testing
ATC Air Traffic Control
ATM Air Traffic Management or Asynchronous Transfer Mode
ATS Air Traffic Services
ATSP ATS Providers
AWOP All Weather Operations Panel
Baro Barometric altitude
BER Bit Error Rate
BIH Bureau International de l’Heure
BIPM Bureau International des Poids et Mesures
BITE Built In Test Equipment
BPF Band Pass Filter
Bps Bit per second
BPSK Bipolar Phase Shift Key
BSDR Baseline System Design Review
BSDR-C Consolidated BSDR
BSSC Board for Software Standardization & Control
BW Band Width
C&M Control & Monitoring
C/A Coarse Acquisition
C1 C-band uplink frequency (C1 = 6.4 GHz)
C2 C-band downlink frequency (C2 = 3.6 GHz)
CAA Civil Aviation Authority
CAASD Centre for Advanced Aviation System Development
CADM Configuration And Data Management
CAT-1 Category 1 Precision Approach Phase of Flight
CAT-2 Category 2 Precision Approach Phase of Flight
CC Configuration Control or Core Computer
CCB Change Configuration Board or Configuration Control Board
CCF Central Control Facility
CCI Communications Control Interface
CCITT Comite Consultatif International Telegraphique et Telephonique or International Telephone and Telegraph Consultative Committee
CCN Contract Change Notice
CDI Course Deviation Indicator
CDMA Code Division Multiple Access
CDR Critical Design Review
CE Communication Equipment
CEU Commission of the European Union
CFI Customer Furnished Item
CHA Channel of High Accuracy
CI Configuration Item
CIDL Configuration Items Data List
CIO Conventional International Origin
CL Client representative
CM Compliant Multiple or Configuration Manager or Configuration Management
CMO Configuration Management Office
CMP Configuration Management Plan
CMT Centre de Mission et Traitement (Euridis) or Commissioning and Maintenance Terminal
CN Change Notice
CNES Centre National d’Etudes Spatiales
CNMS Communication Network Management System
CNS Communications Navigation & Surveillance
CO Change Order
COC Certification Of Conformance
COQ Certification of Qualification
COS Continuity Of Service
COTS Commercial Off The Shelf
CPF Central Processing Facility
CPU Central Processing Unit
CR Change Request
CRB Change Review Board
CRC Cyclic Redundancy Check
CRD Certification Requirements Document
CRD Comment Response Documents (at EASA)
CSA Channel of Standard Accuracy
CSAR Configuration Status Accounting Report
CSI Containment Surface Incident
CSU Channel Service Unit
CW Continuous Wave
DAL Development Assurance level
DAT Digital Audio Tape
DB Data Base
DCN Document Change Notice
DCU Display & Control Unit
DD Detailed Design
DD/R DD Review
DDD DD Document
DDKP DD Key Point
DFS Deutsche Flugsicherung GmbH (D)
DGAC Direction Generale Aviation Civile (F)
DGPS Differential GPS
DH Decision Height
DIL Deliverable Items List
DJF Design Justification File
DLL Delay Lock Loop
DLR Deutsche forschungsanstalt fur Luft – und Raumfahrt e.v.
DMA Direct Memory Access
DME Distance Measuring Equipment
DoC Depth of Coverage
DOD Department Of Defence (US)
DOP Dilution Of Precision
DOT Department Of Transport
DPU Data Processing Unit
DR Design Review
DRACAS Data Recording Analysis and Corrective Action System
DRAIM Differential RAIM
DRD Document Requirements Description
DRL Documentation Requirements List
DRMS Distance Root Mean Square
DRU Data Replaceable Unit
DSPU Digital Signal Processing Unit
DSS Design Simulation Segment
DSU Data Service Unit
DVP Development Verification Platform
DVPRD DVP Requirements Document