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The acronym definitions listed here are extracted from Section 3 of MIL-HDBK-1300A, National Imagery Transmission Format Standard (NITFS), dated 12 October 1994, and define how these acronyms are used in the formal NITFS documentation.

A through B
top
AL
Attachment Level

ANSI
American National Standards Institute

AP
Application Profiles

ARIDPCM
Adaptive Recursive Interpolated Differential Pulse Code Modulation

ARQ
Automatic Repeat-Request

ASCII
American Standard Code for Information Interchange

ASD(C3I)
Assistant Secretary of Defense for C3I

ASN.1
Abstract Syntax Notation One

AUTODIN
Automatic Digital Network

BAM
Bit Assignment Matrix

BBN
Bolt, Bernek, and Nawman, Inc.

BCH Code
Bose-Chaudhuri-Hocquenghem Code

BEN
Basic Encyclopedia Number

BER
Bit Error Ratio

BERT
Bit Error Ratio Test

BIT
Binary Digit

bpp
bits per pixel

BPS
Bits Per Second

BPSK
Binary Phase Shift Keying

BWC
BandWidth Compression

BWCWG
BandWidth Compression Working Group


C through D
top
CAWS
Commercial Analyst Workstation

CCIR
International Radio Consultative Committee

CCITT
International Telegraph and Telephone Consultative Committee

CFS
Center for Standards

CGM
Computer Graphics Metafile

CIO
Central Imagery Office

CMY
Cyan, Magenta, Yellow

CMYK
Cyan, Magenta, Yellow and Black

COMIREX
Committee on Imagery Requirements and Exploitation

COMRAT
Compression Rate Code

COMSEC
Communications Security

CRC
Cyclic Redundancy Check

CRT
Cathode Ray Tube

CTE
Certification Test and Evaluation

C3I
Command, Control, Communications, and Intelligence

DAMA
Demand Assignment Multiple Access

DCE
Data Circuit - terminating Equipment

DCPS
Data Communications Protocol Standards

DCT
Discrete Cosine Transform

DDN
Defense Data Network (now DISN)

DES
Data Extension Segment

DIA
Defense Intelligence Agency

DIAM
Defense Intelligence Agency Manual

DISA
Defense Information Systems Agency

DISN
Defense Information Systems Network (formerly DDN)

DL
Display Level

DLED
Dedicated Loop Encryption Device (KG-84)

DMA
(1) Direct Memory Access
(2) Defense Mapping Agency

DoD
Department of Defense

DODISS
Department of Defense Index Specifications and Standards

DPCM
Differential Pulse Code Modulation

DSPO
Defense Support Project Office

DSVT
Digital Subscriber Voice Terminal (KY-68)

DTE
Data Terminal Equipment


E through F
top
EBCDIC
Extended Binary Coded Decimal Interchange Code

ECC
Error-Correcting Code

EDAC
Error Detection and Correction

EIA
Electronic Industries Association

EOL
End of Line

FCS
Frame Check Sequence

FDCT
Forward Discrete Cosine Transform

FEC
Forward Error Correction

FIPS
Federal Information Processing Standard

FTP
File Transfer Protocol


G through H
top
GOSIP
Government Open Systems Interconnection Profile

HD
Half-Duplex

HDLC
High-level Data Link Control

HF
High Frequency

Hz
Hertz


I through J
top
IBM
International Business Machine

IC
(1) Intelligence Community
(2) Image Compression

ICMP
Internet Control Message Protocol

IDCT
Inverse Discrete Cosine Transform

IEEE
Institute of Electrical and Electronic Engineers

IHL
Internet Header Length

INCA
Intelligence Communications Architecture Project Office

IP
Internet Protocol

ISO
International Organization for Standardization

ITS
Information Technology Standards

ITU
International Telecommunication Union

JANAP
Joint Army-Navy-Air Force Publication

JIEO
Joint Interoperability and Engineering Organization

JINTACCS
Joint Interoperability Tactical Command and Control System (now USMTF)

JITC
Joint Interoperability Test Center

JPEG
Joint Photgraphic Experts Group

JTC3A
Joint Tactical Command, Control, and Communications Agency


K, L through M
top
kHz
kiloHertz (1000 Hz)

LOS
Line of Sight

LSB
Least Significant Bit

LUT
Look-Up Table

MBZ
Must Be Zero

MCU
Minimum Coded Unit

MHz
MegaHertz

MOA
Memoranda of Agreement

MSB
Most Significant Bit

MSE
Mobile Subscriber Equipment

msec
Milliseconds

MTF
Message Text Format

MXF
Message Transfer Facility


N through O
top
NAK
Negative-Acknowledgement Character

NATO
North Atlantic Treaty Organization

NBPC
Number of Bits Per Column

NBPP
Number of Bits Per Pixel

NBPR
Number of Bits Per Row

NCCB
National Imagery Transmission Format Standard Configuration Control Board

NETBLT
Network Block Transfer

NITF
National Imagery Transmission Format

NITFS
National Imagery Transmission Format Standard

NITFTP
National Imagery Transmission Format Transfer Protocol

NPI
Non-static Presentation Information

NRTS
National Imagery Transmission Format Reliable Transfer Server

NTB
National Imagery Transmission Format Standard Technical Board

NTSC
National Television Standards Committee

NUMI
Number of Images

OADR
Originating Agency's Determination is Required

OASD(C3I)
Office of the Assistant Secretary of Defense for Command, Control, Communications and Intelligence

OIW
Opensystems Environment Implementors Workshop

OSD(C3I)
Office of the Secretary of Defense for Command, Communications, Control and Intelligence

OSE
Open Systems Environment

OSI
Open Systems Interconnection


P,Q through R
top
PCM
Pulse-Code Modulation

RFC
(1) Request for Comment (Internet environment)
(2) Request for Change (NITFS environment)

RGB
Red, Green, Blue

RR
Reduced Resolution

RRDS
Reduced Resolution Data Set

RQ
Repeat-Request

RS
(1) Recommended Specification
(2) Requirement Submission

RTC
Return to Control


S through T
top
SID
Secondary Imagery Dissemination

SIDS
Secondary Imagery Dissemination System

SLIP
Serial Line Internet Protocol

STANAG
NATO Standardization Agreement

TACO2
Tactical Communications Protocol 2

TBR
To Be Resolved

TCF
Technical Control Facility

TCP
Transmission Control Protocol

TDM
Time Division Multiplexing

TIS
Technical Interface Specification

TRI-TAC
Tri-Service Tactical Communications


U through V
top
UDHD
User Defined Data field

UDID
User Defined Image Data field

UDP
User Datagram Protocol

UHF
Ultra High Frequency

UI
Unnumbered Information

UID
Unique Identifier

UN
United Nations

USMTF
United States Message Text Format (formerly JINTACCS)

VDC
(1) Virtual Device Coordinates
(2) Virtual Display Coordinates

VHF
Very High Frequency

VHSIC
Very High Speed Integrated Circuit

VMF
(1) Variable Message Format
(2) Voice Message Format

VQ
Vector Quantization


W, X, Y through Z
top
XHD
Extended Header Data

YCbCr
Y = Brightness of signal,
Cb = Chrominance (blue),
Cr = Chrominance (red)

YCM
Yellow, Cyan, Magenta

YIQ
Intensity, Inphase, Quadrature


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Point of Contact: NITFS Technical Board
Unclassified Email: ntbchair@nga.mil

Updated on 3 July 2001                                                                                                     NGA Home  |   ISMC/GSMC Home  |   NTB Home