Always under construction By Hugh Stegman nv6H

EAS (1) Emergency Alerting System, replaced EBS

(2) Equivalent Air Speed

(3) Electronic Article Surveillance

EASA European Aviation Safety Agency

EBB Electronic bulletin board

EBC Emulated buffer computer

EBCDIC Extended Binary Coded Decimal Interchange Code, old IBM

EBIOS Enhanced Basic Input/Output System (PCs with disks over 540 meg)

EBONE A pan-European Backbone service

EBS Emergency Broadcasting System, replaced CONELRAD

EBU European Broadcasting Union

EC (1) Electronic Combat

(2) Emergency Coordinator

(3) European Community

ECB (1) Enhanced Cellular Base Station

(2) Echelons corps and below

ECC (1) Error Correction Code (better than parity)

(2) Error Checking & Correcting (memory chip)

(3) Error Control Coding

(4) Embedded Communication Channel

ECCM Electronic Counter-Countermeasures

ECCO Electronic Combat Coordination Officer

ECDIS Electronic Chart Display and Information System

ECDIS-N Electronic Chart Display and Information System-Navy

ECFS Electronic Comment Filing System (FCC)

ECHS Extended Cylinder, Head, Sector (addressing)

ECL (1) ENIGMA Control List (numbers, replaced by ASL)

(2) Emitter-Coupled Logic

ECM (1) Electronic countermeasures

(2) Electronic Cipher Machine

ECMWF European Centre for Medium-Range Weather Forecasts

ECN Explicit Congestion Notification

ECOM Emergency Communications

ECRS East Coast Radar System

ECS Electronic Chart System

ed Edit; any of several funky line editors for old printing TTYs connected

to computers

EDC Error Detection Code

EDD Electronic Document Delivery

EDFMCM Environmental Data Fusion for Mine Countermeasures

EDGE Enhanced Data Rates for Global Evolution (telephony)

EDI Electronic Document Interchange

EDO Extended Data Output (memory chip)

EDP Electronic Data Processing

EDPT Enhanced (fixed) Disk Parameter Table

EDR Enhanced Data Rate

EDS Explosives Detection Systems

EDSAC Electronic Delay Storage Automatic Calculator (1949)

EDT Eastern (US) Daylight Time

EDTV Enhanced Definition Television

edu Educational Institution domain (Internet)

EDVAC Electronic Discrete Variable Computer (1945)

EE (1) Transmission is in English

(2) Person with Electrical Engineering degree

EEA European Economic Area

EEC European Economic Community

EECEN Electronics Engineering Center, NJ (USCG)

EEFI Essential Elements of Friendly Information (COMSEC)

EEFI 1 Position (notification prepended by ZNX)

EEFI 2 Capabilities

EEFI 3 Operations

EEFI 4 Electronic Warfare

EEFI 5 Personnel

EEFI 6 COMSEC breach

EEFI 7 Wrong circuit used

EEFI 8-10 Spare

EEI Essential Elements of Information (Federal report form)

EEJ Equatorial Electrojet, might cause trans-eq spread-f propagation

EEPROM Electronically Erasable Programmable Read Only Memory

EEZ Exclusive Economic Zone ("200-mile limit")

EFAS Enroute Flight Advisory Service

E-FET Enhancement-Mode Field-Effect Transistor

EFF Electronic Frontier Foundation, Internet free speech group

EFFI Essential Elements of Friendly Information

EFTO Encrypted for transmission only

EGC Enhanced Group Call (GMDSS)

EGNOS European Geostationary Navigation Overlay Service

EGP Exterior Gateway Protocols

EGPRS Enhanced General Packet Radio Service

EGS European Geophysical Society

E-HA Enroute High Altitude

EHF Extra/Extremely High Frequency

EHTPS Extra-High-Tension Power Supply

EHS External Hostile Structured threat

EHU External Hostile Unstructured threat

EI-232 Latest name for RS-232, the serial interface standard

EIA (1) Electronic Industries Association, replaced RETMA

(2) Equatorial Ionization Anomaly

EIA/TIA EIA/Telecommunications Industry Association

EICC Emergency Information and Coordination Center (FEMA)

EIDE Enhanced Integrated Drive Electronics, ATA version once proprietary to

WD

EIG External Interface Gateways

EIN Equivalent Input Noise

EINE EINE Is Not Emacs (recursive acronym; see Emacs)

EIP ELINT Improvement Program

EIRP Equivalent Isotropically Radiated Power

EIS Enhanced Imaging System

EISA Extended Industry Standard Architecture

EISCAT European Incoherent Scatter Radar (research)

E-LA Enroute Low Altitude

ELF (1) Extremely Low Frequency (30-300 Hz)

(2)Old US military comm system using same ("Project Elf")

ELINT Electronic Intelligence

elm ELectronic Mailer (Unix)

ELSEC Electronic Security

ELT Emergency Locator Transmitter

ELV Expendable Launch Vehicle

EM (1) Electromagnetic

(2) Extended mission

(3) Emergency management

(4) End of Medium (ASCII)

Emacs Editing Macros: powerful, if ungainly, Unix text editor

E-mail Electronic mail, usually by computer

EMC Electromagnetic compatibility

EMCON (1) Electromagnetic Radiation Control

(2) Emission Control (radio, etc, not smog)

EMCS ELINT Mission Control System

EME (1) Electromagnetic energy

(2) Earth-Moon-Earth (VHF/UHF "moonbounce")

EMF Electromotive force (back-EMF occurs in coils & motors)

EMI Electromagnetic Incompatibility/Interference

eMICP enhanced Mobile Incident Command Post

EMMAC European Multimedia Associations Convention

EMP Electromagnetic pulse

EMR Electromagnetic Radiation

EMS (1) Extended Memory Specification (IBM PC, old LIM spec)

(2) Emergency Medical Services

EMSEC Emanations Security

EMT Emergency Medical Technician, public safety certificate

EMWIN Emergency Manager's Weather Information Network

ENC Electronic Navigational Chart

ENE East-northeast

ENF ELINT Notation File

ENG Electronic News Gathering

engr engineer

ENIAC Electronic Numerical Integrator And Computer, 1940s vacuum tube

calculating machine

ENIGMA (1) European Numbers Information Gathering & Monitoring Assn

(2) [~]Historic German crypto machine, WW II code broken by Allies

ENJEP Euro-Nato Jet Pilot Training (at Sheppard AFB)

ENQ (1) Enquiry, sent by computer to get ACK/NAK response (ASCII 05)

(2) Enquiry (Like Who Are You?)

ENS External Non-Hostile Structured threat

ENTNAC Entrance National Agency Check

ENU External Non-Hostile Unstructured threat

EO Electro-Optical

EO/IR Electro-Optical/Infrared

EOB Electronic Order of Battle

EOC Emergency Operations Center

EOD Explosive Ordnance Disposal, the bomb squad

EOL End of (design) life

EO-LOROPS Electro-Optical Long Range Oblique Photography System

EOP Emergency Operations Plan

EOS Earth Observing System

EOT (1) End Of Transmission

(2) End Of Tape

EOW End Of Watch

EP Electronic Protection

EPA Environmental Protection Agency

EPG Electronic Program Guide

EPIC El Paso Intelligence Center (US Customs)

EPIRB Emergency Position Indicating Radio Beacon

EPL ELINT Parameter List

EPLRS Enhanced Position Location Reporting System

EPROM Electrically Programmable Read-Only Memory

EPS (1) Emergency Planning Subcommittee

(2) Enhanced Processing Segment

(3) GOES Energetic Particle Sensor, measures solar flares

EPU Emergency Power Unit

EPW Enemy prisoner of war

ER (1) Eastern Range

(2) Emergency room

ERASER Enhanced Recognition & Sensing Radar

ERCS ECM-Resistant Communication System

ERFAK Emergency Response Fly-Away Kit (US Govt)

ERLink Emergency Response Link (US Govt)

ERMA Electronic Recording Machine Accounting (1959, first check reader)

ERMES European Radio MEssage System

erp/ERP Effective radiated power

ERPS External Frequency Interference Protection System

ERT Emergency Response Team (FEMA)

ERT-A Advance Element of the Emergency Response Team (FEMA)

ERTS Earth Rotation Time Service, keeps track of planet's actual position

in space

ES (1) Electronic Support

(2) CW brevity code: "And"

(3) Sporadic E propagation, or clouds making same

(4) Extended Squitter

ESA European Space Agency

ESC (1) Enhanced Satellite Capability (US NCS)

(2) Escape (computer character)

ESD Electronics Support Detachment

ESE East-southeast

ESF Emergency Support Function (part of NTSP; 1-12)

ESL (1) Equivalent Series Inductance

(2) English as a Second Language

ESM Electronic Support Measures

ESMC Eastern Space & Missile Center

ESMTP Extended Simple Mail Transfer Protocol (does this mean it's no

longer simple?)

ESN Electronic Serial Number

ESR Equivalent Series Resistance

ESS (1) Electronic Switching System (landlines)

(2) Electronic Scoring Site

ESSID Enhanced Service Set Identifier (wi-fi)

EST (1) Eastern (US) Standard Time

(2) Emergency Support Team (FEMA)

ET (1) Extra-terrestrial

(2) External Tank (NASA)

(3) Eastern Time (US)

ETA Estimated time of arrival

ETACS Extended Total Access Communications System (UK)

ETB End of Transmission Block

ETD (1) Estimated time of departure

(2) End-of-Train Device

(3) Explosives Trace Detection

ETLA Extended Three-Letter Acronym (a four-letter acronym)

ETOH Alcohol (for some reason, paramedics say the chemical name)

ETRAC Enhanced Tactical Radar Correlator

ETS European Telecommunications Standard

ETSI European Telecommunications Standards Institute

ETX End Of Text (ASCII)

EU European Union

EUCOM European Command

Eunet European part of UUCP, Unix file transfer network

EUR Europe (MWARA)

EUV Extreme ultraviolet (can ionize)

EVS Electro-Optical Viewing System

EW Electronic warfare

EWIR Electronic Warfare Integrated Reprogramming

EWMS Electronic Warfare Management System

EWN Evangelical World Network, operates WEWN

EWO (1) Electronic Warfare Officer (backseater)

(2) Emergency War Order

EWPE EW Processing Element

EWR Early Warning Radar

EWS Early Warning System

EXE Computer file extension: loads as executable

EXE2BIN PC program for creating .COM files from .EXE

f Frequency (in Hertz)

F (1) Farad (a huge capacitor; usually uf or pf)

(2) F-region, highest zone of ionosphere

F/B Front to back ratio (antennas)

F/O (1) Fiber optics

(2) Follow-on

F/V Fishing Vessel

F/W Fixed wing (airplane)

F0 FM carrier, no modulation, sounds just like A0, now N0N

F1 (1) In daytime, lower layer of F region

(2) Frequency number one (F2, F3...)

(3) Formula One racing

F1B Mode designator: frequency shift keying

F2 In daytime, upper layer of F region

F2B Mode designator: Audio frequency-shift keying

F3C Mode designator: fax

F3E Mode designator: FM voice or broadcasting

FAA (1) Federal Aviation Administration (US)

(2) Foreign Assistance Act

FAAA General call: "All French warships" [~]

FAADC3 Forward Area Air Defense Command, Control, Communications

Intelligence System (US Army)

FAC (1) Field-Aligned Current, an irregular propagation mode

(2) Forward Air Controller

FACSFAC Fleet Area Control & Surveillance Facility (US Navy)

FADEC Full Authority Digital Engine Control

FAE Fuel Air Explosive

FAF (1) Fast Access Format

(2) French Air Force

FAGDS Federation of Astronomical and Geophysical Data Services

FAI Field-Aligned Irregularities, like FAC

FAM Federal Air Marshal

FANS Future Air Navigation System (FANS-1, FANS-A, FANS-1/A, FANS-B+)

FAPSI Федеральное Агентство Правительственной Связи и

Информации (Federal Agcy for Govt Comm & Info; Russian,

replaced KGB comm branch, now also replaced by other agencies)

FAQ Frequently Asked Questions (Internet/USENET)

FAR (1) Federal Aviation Regulations

(2) False Alarm Rate

FARP Forward Arming & Refueling Point

FAS (1) Frequency Assignment Subcommittee (of IRAC)

(2) Federation of American Scientists

FASC Forward area signal center

FAST (1) Field Assessment Team (FEMA)

(2) Fleet Antiterrorist Strike Team (US Marines)

(3) Fast Auroral Snapshot Small Explorer satellite (NASA)

(4) Field Adaptable Systems Technology

FAT (1) File Allocation Table (MS-DOS)

(2) First Article Test

FAT32 32-bit File Allocation Table (Newer MS-Windows)

FAX Facsimile

FB CW brevity code: "Fine Business" (really good)

FBI Federal Bureau of Investigation (US)

FBIS Foreign Broadcast Intelligence Service (WWII)

FBO (1) Fixed Base Operator (aviation)

(2) Federal Business Opportunity

FBW Fractional BandWidth

FC funnel cloud

FCC Federal Communications Commission

FCMP Fleet Composite Broadcast (USCG Honolulu)

FCO Federal Coordinating Officer (FEMA)

FCS Frame Check Sequence (wi-fi)

FD (1) Floppy Disk

(2) Fixed Disk (confusing!)

(3) Field Day (ham contest)

FDD (1) Frequency-Division Duplexing

(2) Floppy Disk Drive (obsolete)

FDDI Fibre Data Distribution Interface

FDK Frequency-Difference Keying

FDM Frequency-Division Multiplex

FDMA Frequency Division Multiple Access

FDPT Fixed Disk Parameter Table

FDX Full Duplex

FEBA Far East Broadcasting Assn

FEC Forward error correction teleprinter system

FEC-A One-way traffic FEC teleprinter system

FECC Federal Emergency Communications Coordinator

FECTOR Teleprinting over radio, mode B

FED-STD Federal Telecommunication Standard

FEK Frequency Exchange Keying

FEMA Federal Emergency Management Agency

FEP (1) Front End Processor (computers)

(2) FLTSAT EHF Package (Navy)

FET Field-effect transistor

FEW Few clouds

FF (1) French Forces

(2) Transmission is in French

(3) Formfeed (ASCII)

FFH (1) Fast Frigate Helicopter

(2) Fast Frequency Hopping (spread spectrum scheme)

FFHT-net Fast-Frequency-Hopping Training net

FFO Fixed-Frequency Oscillator

FFRDC Federally Funded Research& Development Center (MITRE Corp.)

FFT Fast Fourier transform

FG (1) Foreign Government (Foxtrot Golf)

(2) Fog

FGS Federal German Ship

FH (1) Frequency Hopping (spread spectrum)

(2) Field hospital

FHMA frequency-hop multiple access

FHSS frequency-hopping spread spectrum

FHWA Federal Highway Administration (US)

FI Field Investigation, Field Interview (police)

FIA (1) Fibreoptic Industry Association (UK)

(2) Federation Internationale d'Automobile (Formula 1 racing)

FIBI Filed but impracticable to transmit

FIFO First in, first out

FIGS Figures case (Baudot upper case)

figs figures follow

FIM Flight Information Manual

FINDS Flexible Information Dissemination System

FIPS Federal Information Processing Standards

FIR (1) Flight Information Region

(2) Finite (duration) Impulse Response

FIRESCOPE Firefighting Resources of Southern California Organized for Potential

Emergencies

FIRRS FAAR/Iceland Air Defense Remote Rekeying System

FIRST (1) Forum of Incident Response and Security Teams (computers)

(2) first observation after a break in coverage at manual wx station

FIS Flight Information Services

FIS-B Flight Information Services-Broadcast

FISIN Foreign Instrument Signals Intelligence

FISINT Foreign Instrumentation Intelligence

FIST Fleet Imagery Support Terminal (US Navy)

FISTA Flying Infrared Signatures Technology Aircraft

FITFEEL Fast Information Transfer For Extremely Errored Links

FL (1) Flight level

(2) Focal Length

FLAK German: FLeigerAbwehrKannonen (anti-aircraft artillery)

FLASER Forward Looking Infrared Laser Radar

Fldigi Fast Light DIGItal mode program

FLIP Flight Information Publication (US DoD)

FLIR Forward Looking Infrared

Flops Floating point operations per second

FLOT Forward Line of Own Troops

FLOTUS First Lady Of The United States (President's wife)

FLR Forward looking radar

Flt (1) flight

(2) fleet (US Navy)

FLT HICOM Fleet High Command (US Navy)

FLTSAT Fleet Satellite, Navy comsat

FLTSATCOM Fleet Satellite Communications (US Navy)

FM (1) Frequency Modulation

(2) Field manual

(3) ("Foxtrot Mike") VHF FM (US Navy)

(4) CW brevity: From [~]

(5) Field Meteorological

(6) Frequency Management

FMA-net Frequency Management A-net

FMC (1) Field Maintenance Center

(2) Force Mobile Command

(3) Flight Management Computer

FMCW Frequency-Modulated Continuous Wave

FMH Federal Meteorological Handbook

FMH-1 Federal Meteorological Handbook-1

FMH-2 Federal Meteorological Handbook No.2

FMO Frequency Management Office

FMOP Frequency Modulation On Pulse

FMOW FM Orderwire (US military)

FMP Fleet Modernization Program

FMS (1) Flight Management System

(2) Foreign Military Sales

FMT-net Frequency Management Training net

FN French Navy

FNARS FEMA National Radio System (nested acronym!)

FNG Friendly new guy/gal (possible security risk)

FNPRM Further Notice of Proposed Rule Making (FCC)

FO Fiber Optic

FOB (1) Field Operations Bureau (FCC)

(2) Freight On Board (shipping regs)

(3) "Fresh Off the Boat" (humorous)

FOD Foreign Object Damage

FOG Field Operations Guide

FOIA Freedom of Information Act

FOLDOC Free Online Dictionary Of Computing

FORSCOM Forces Command

FORTRAN Formula Translator (early IBM computer language)

FOSIC Fleet Ocean Surveillance & Information Center

FOST Flag Officer Sea Training

FOT Optimum Traffic Frequency (fq that will work most days of period)

FOUO For Official Use Only

FOV Field of View

Foxes THE QUICK BROWN FOX... test [~]

FPCON Force Protection Condition (Alpha through Delta)

FPGA field-programmable gate array

FPLMTS Future Public Land Mobile Telecommunications Systems

FPM Fast Page Mode

FPO Fleet Post Office

Fq Frequency

FQDN Fully Qualified Domain Name (Internet)

FQPSK (1) Filtered Quadrature Phase Shift Keying

(2) Feher Quadrature Phase Shift Keying

FR (1) Frequency Response

(2) Final report

FRA (1) Forward repair activities

(2) Federal Request for Assistance (FEMA)

(3) Fixed Radio Access

FRC Fast Response Cutter (USCG)

FRCM Federal Regional Coordinating Manager (FEMA)

Freq Frequency

FRMR Packet control frame: Frame Reject

FRN (1) FCC Registration Number

(2) Federal Register Notice

(3) Free Radio Network

FROPA frontal passage (wx codes)

FRP (1) Federal Response Plan (FEMA)

(2) Fleet Response Plan

FRQ (1) Frequency (informal)

(2) frequent (wx codes)

FRS Family Radio Service

FRUIT False Reply Uncorrelated In Time

FS File Separator (ASCII)

FS-1037C Official Federal Telecom Glossary, replaced by ATIS

FSB Forward support battalion

FSBS (Consolidated) Fixed Submarine Broadcast System

FSC Full Scope Command (USAF HF Phase II)

FSD Federal Security Director

FSE Fire support element

FSF Free Software Foundation

FSK Frequency-shift keying

FSK315 Joe Taylor's 315-baud MFSK4, for meteor scatter

FSK441 Joe Taylor's 441-baud MFSK4, for meteor scatter

FSL Forecast Systems Laboratory

FSM Facility Status Message

FSOC Fairchild Satellite Op Center, Fairchild AFB, WA

FSP (1) File Service protocol (Internet)

(2) File Slurping Protocol

(3) Flaky Stream Protocol

(4) FTP's Sexy Partner

FSQ Fast Simple QSO (Amateur MFSK mode)

FSRAM Fast Static Random Access Memory

FSS Fixed-Satellite Service

FST Forward surgical team

FSTS Federal Secure Telecommunications System

FSU Former Soviet Union

FT (1) Terminal Forecast (weather)

(2) Feet

ft foot

FTA F--- The Army

FTAM File Transfer Access and Management

FTG F--- The Guard

FTI Fixed Target Indicator

FTP File Transfer Protocol

FTS Federal Telephone System

FTW F--- The World

FU Smoke (from French)

FUBAR [Fouled] Up Beyond All Recognition

FUD Fear, Uncertainty, Doubt (computer marketing technique)

FV Fishing Vessel

FVLF Fixed, Very Low Frequency

FW Fighter Wing (USAF)

FWA Fixed Wireless Access

fwd forward

FWE Fighter Wing Equivalent

FWIW For What It's Worth

FWOC Fleet Weather and Oceanographic Centre (UK)

FY Fiscal Year

FYEO For Your Eyes Only

FYI For your information

FZ freezing

FZRANO freezing rain sensor not available

G (1) Conductance, reciprocal of R, in mhos, ohm backwards

(2) Gust

(3) Gig, billion of anything

G/T "G over T", antenna gain divided by noise temperature

G1 Asst. Chief of staff, personnel (US Army)

G2 Asst. Chief of staff, intelligence (US Army)

G3 Asst. Chief of staff, operations and plans (US Army)

G4 Asst. Chief of staff, logistics (US Army)

G5 Asst. Chief of staff, civil affairs (US Army)

G6 Asst. Chief of staff, information mgmt. (US Army)

GA (1) CW prosign: go ahead

(2) CW brevity code: Good Afternoon

GaAs Gallium Arsenide

GaAsFET Gallium Arsenide Field Effect Transistor

GACC Geographic Area Coordination Centers (USFS)

GAFRAN Stationary German Air Force

GAGAN GPS Aided Geo Augmented Navigation (India)

GAK Government Access to Key

GALEX Galaxy Evolution Explorer (NASA)

GaN Gallium Nitride

Gantsec Greater Antilles Section (US military/federal, out of Puerto Rico)

GAO General Accounting Office (US Government)

GATM Global Air Traffic Management

GATR ground-to-air transmitter/receiver

GATX General American Transportation Corporation, tank & hopper car lessor

GBAS Ground Based Augmentation Service

GB Gigabyte, 1,073,741,824 in decimal

Gb Gigabit

GBDL Ground Based Data Link

GBI Ground-Based Interceptor

GBL Ground-Based Laser

Gbps Gigabytes per second

GBR Ground Based Radar

GBS (1) Global Broadcast System

(2) Ground Based Sensor

GCA Ground Controlled Approach

GCAS Ground Collision Avoidance System

GCBS Ground Control Bombing System

GCC Ground Component Commander

GCCS (0)Two different systems: