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Utility World tries to slog through all the alphabet soup and write in good old English. Decode our lapses thusly: Acronym Definition FC Tornado on the ground // Parallel transmission (simulcast) on -- /// Cloud layer below observing station 1 LT first lieutenant 2 LT second lieutenant 220SMA 220 (MHz) Spectrum Management Assn (Amateur) 2600 (1)2600 Hz, audio frequency used for US telephone idle tones 2600 (2)Hack/Phreak magazine, named in honor of above 2600 (3)Use of tone-spoofing equipment to control phone switches; now a good way to get caught phreaking and go to jail 2G ALE Second generation automatic link establishment 32BDA 32-Bit Disk Access (Windoze) 3F Three-figure code groups (mixed or all numbers) 3FG Three-figure code groups 3G ALE Third generation automatic link establishment 3G-TM Third Generation Traffic Management Protocol 3L Three-letter code groups 3LG Three-letter code groups 4F Four figure code groups (mixed or all numbers) 4FG Four figure code groups 4L Four-letter code groups 4LG Four-letter code groups 5 by 5 (1) Signal report: readability 5, strength 5 5 by 5 (2) Signal report: you are loud and clear 5F Five-figure code groups (mixed or all numbers) 5FG Five-figure code groups 5L Five-letter code groups 5LG Five-letter code groups 73 Old telegraphy slang: "Best regards" 81-81 Strange Russian teleprinting system, popular in Cuba 88 Old telegraphy slang: "Love and kisses" 89/336/EEC European electromagnetic compatibility directive A Altimeter setting A Index 24-hour magnetic activity index, lower=better A&P Airframe & Powerplant, U. aircraft mechanic certificate a/c Aircraft A/G Air to ground A0 AM carrier with no modulation, now N0N A1 (Alpha-1) Aircraft maintenance status: no writeups; plane OK A1A Morse telegraphy for aural copy, i.e.
S.) m/v Motor Vessel (also MV) M/V Motor Vessel (also m/v) m A milliamperes Mac Macintosh (computer) MAC (1)Military Airlift Command, now AMC MAC (2)Media Access Control (computer networks) MACOM Major command Mac TCP TCP/IP package for Macintosh MAFFS Modular Airborne Fire Fighting System (tank for C-130) MAFOR Maritime weather forecast MAGIS Marine Air-Ground Intelligence System MAN Metropolitan Area Network, halfway between a LAN and a WAN MANPAD Man-Portable Air Defense MAP Maghreb Arabe Presse MAPI Mail/Messaging Applications Programming Interface MAPS Mail Abuse Prevention System (Internet) MARC MAchine Readable Catalog MARO Maritime Air Radio Organization MARS Military Affiliate Radio System (US) MARSA Military Assumes Responsibility for Separation of Aircraft MASER Microwave Amplification by Stimulated Emission of Radiation MASH mobile army surgical hospital, may be obsolete MASM Macro-Assembler (computer code) MATS Military Air Transportation Service, became MAC, now AMC MAU Media Attachment Unit, a network transceiver MAYDAY Prosign: Distress traffic follows; repeated 3 times [~] mb millibar MB Megabyte MBDL Missile Battery Data Link MBKS Multi-Button Key Set (telco) MBO Mailbox MBONE Multicast Backbone Mbps Megabytes per second MBR Master Boot Record ("boot sector") MCA Movement control agency MCC Master Control Center MCC Movement control center MCFB Multi-Channel Fleet Broadcast MCM Mine Countermeasures MCP Multimode Communications Processor (packet) MCS Mission Communications System MCS/P Maneuver Control System/Phoenix (US Army) MCVFT Multichannel Voice Frequency Telegraph (multiplex RTTY) MDT (1)Mobile Data Terminal (usually police) MDT (2)Mountain Daylight Time, US zone includes Rockies med medical MEDAFS Mine Warfare Environmental Data Analysis and Fusion System MEDCOM Medical command MEDICAL Voice prosign attached to c/s of vessel with emergency medical supplies or patients, pronounced MAY-DEE-CAL MEDICO Emergency Medical Communications MEDLOG Medical logistics MEL Maximum Elevation (of a spacecraft) MEMA Massachusetts Emergency Management Agency MERS Mobile Emergency Response Support (FEMA) MET Meterological Met Office Weather office at a base METAR Meteorological observation code for routine aviation METAREA Meteorological Area, same as a NAVAREA (see WMO) METARS Plural of METAR Meteo Meteorological METOC Meteorological and Oceanographic Metro Meteorological office METSAT Meterological Satellite MF (1)Medium Frequency (300-3000 k Hz) MF (2)Multifrequency MFA Ministry of Foreign Affairs MFD Modulated Fractional Division MFM Modified Frequency Modulation (Miller Coding) MFSK Multiple Frequency Shift Keying mgt management MHD Magnetohydrodynamics; behavior of plasmas in magnetic fields, such as the ionosphere and sunspots MHE materials-handling equipment MHS Message Handling System MHz Mega Hertz mi mile (1.6 km) MI Military intelligence, especially in UK MI shallow MI5 Directorate of Military Intelligence, group 5 (domestic) MI6 Directorate of Military Intelligence, group 6 (foreign, aka SIS) MIB Management Information Base MID (1)Middle East (MWARA) MID (2)Maritime Identification Digits, country code prepended to MMSI MID Maritime Identification Digit MIDS Multifunctional Information Distribution System MIFG Shallow Fog MIJI Meaconing, Intrusion, Jamming & Interference ("Jammer writeup") Mil (1) Military Mil (2) Milliampere MIME Multipurpose Internet Mail Extensions, allows attachment of binaries to letters MIMS Medical Information Management System min Minute MINIMUF Miniature Maximum Usable Frequency calculator, classic BASIC MUF prediction algorithm MINREX Ministerio de las Relaciones Exteriores (Cuban news agency) MIR Not an acronym; transliteration of Russian for "Peace" MIREX Mir Experiment, amateur robot packet station on Mir MIRL Medium Intensity Runway Lights MIT Massachussetts Institute of Technology mkr Marker ML Machine language, how computers store instructions MLB Motor Lifeboat MLS Microwave Landing System MLSO Mauna Loa Solar Observatory MLT Magnetic Local Time MM Maritime mobile mm Millimeter MMC materiel management center MMS Maritime Mobile Service MMSI Maritime Mobile Service Identity (code for DSC) MMX Multimedia extensions (microprocessor architecture) MNCS Master Net Control Station MNP Modem Network Protocol MOA Military Operation Area Mob Mobile MOC (2)Ministry Of Commerce (Canada) MOC (1)Mission Operation Center MOCA Minimum Obstruction Clearance Altitude Mod Modification (to radio) Mo D Ministry of Defence (UK) Mode A SITOR-A (ARQ) Mode B SITOR-B (FEC) Modem Modulator/Demodulator MOOTW Military operations other than war MOP Measure Of Performance MOPP mission-oriented protection posture (0-4, 4 being full suit) MOS Metallic Oxide Silicon MOSFET MOS Field Effect Transistor MOSS MIME Object Security Services MOTD Message Of The Day MOTIS Message Orientated Text Interchange Service, ISO version of MHS MOV moved/moving/movement MOX Manually Operated Switching MP (1)Military Police (US) MP (2)Member of Parliament (UK) MP (3)Multiprocessor (computer h/w) MP Magnetopause MP3 MPEG Level 3, CD-quality compression scheme MPEG Motion Picture Expert Group, lossy compression for video mph mile per hour MPSA Military Postal Service Agency MPSAP Mobile Public Safery Answering Point MPX Multiplex MR Magnetoresistive MRB Marine Radio Beacon MRC Mobile Radio Communications MRCC Maritime Rescue Coordination Center MRE meal, ready-to-eat MRO medical regulating office MRS Mountain Radio Service MRT Mountain Rescue Team ms millisecond MS Motor Ship MS Master Station MSB main support battalion MSC Military Sealift Command MSC Military Seaflift Command (US) MSE mobile subscriber equipment MSF English standard frequency & time station MSFC NASA Marshall Space Flight Center msg Message MSI Maritime Safety Information MSI Marine Safety Information MSI Maritime Safety Information MSIS Mass Spectrometer Incoherent Scatter (research) MSR main supply route MSS Mobile Satellite Service MST (1)Mountain (US) Standard Time, zone includes Rockies MST (2)Maintenance support team MT Monitoring Times (**the bible**) MT mountains MTA Message Transfer Agent MTBF Mean Time Before Failure MTF medical treatment facility MTI Moving Target Indicator MTMC Military Traffic Management Command mtr Meter, either distance unit or measuring device MTU Maximum Transmit Unit (TCP/IP packet length) MUF Maximum Usable Frequency (varies with path) MUX Multiplex, multiplexer m V Millivolt MV Motor Vessel MVS Multiple Virtual Storage (large IBM computers) MW (1)Medium Wave (typically 530-1710 k Hz) MW (2)Mega Watt m W Milli Watt MWARA Major World Air Route Area MWP Meteorologist Weather Processor MWR Morale, welfare, and recreation mx Music MX Mail Exchange Record MYM My Mailbox (packet) MYP Personal Mailbox (packet) N north N No Change N-ISDN Narrowband ISDN N/A not applicable N0N Unmodulated, steady carrier, old "A0" NA (1)North America NA (2)Not applicable, N/A NA Not authorized NAAS Naval Auxiliary Air Station NAB (1)National Assn of Broadcasters NAB (2)Naval Amphibious Base, USN, Coronado, CA (SEALs train there) NABER National Association of Business/Emergency Radio NADC Naval Air Development Center NADEP Naval Air Depot NADGE NATO Air Defence Ground Environment NAEC Naval Air Engineering Center NAF Naval Air Facility (US) NAFB National Assn of Farm Broadcasters NAK Negative Acknowledgment (error in received data, ASCII 21d) NALF Naval Auxiliary Landing Field NALO Naval Air Logistics Office NAM Number Assignment Module (Cellular) NANP North American Numbering Plan (telco) NAOC National Airborne Operations Center, aka Nightwatch, old NEACP NARTE Natl Assn of Radio & Telecommunications Engineers NARTEL North Atlantic Radiotelephone NAS (1)Naval Air Station NAS (2)National Academy of Sciences (US) NASA (1)National Aeronautics and Space Administration NASA (2)National Acronym Slinging Agency NASTD National Association of State Telecommunications Directors NAT (1)North Atlantic (MWARA) NAT (2)Network Address Translation NATO North Atlantic Treaty Organization NAV Navigation NAV/COMM Airplane Navigation/Communication radio NAVAID Navigational aid NAVAREA Navigational Area (IMO/IHO) NAVCEN USCG Navigation Center, VA NAVMARCORMARS Navy/Marine Corps Military Affiliate Radio Service (US) NAVMTO Navy Material Transportation Office NAVSAT NAVigation SATellite NAVTEX Navigational Telex, Navigational Text (518 k Hz SITOR-B) NAWC Naval Air Warfare Center NAWC-WPN Naval Air Warfare Center NAWCAD Naval Air Warfare Center Aircraft Division NAWS (1)Naval Air Weapons Station NAWS (2)Old group call: Notice to Allied Warships NB Narrowband NB Noise blanker NBC (1)Nuclear, Biological, Chemical (warfare) NBC (2)National Broadcasting Company NBDP Narrowband direct printing (RTTY) NBDPT Narrowband direct printing telegraphy NBF Net BIOS Frames NBFM Narrowband frequency modulation NBR Narrowband Receiver NBS National Bureau of Standards, now NIST NBSV Narrowband Secure Voice NBSVS Narrowband Secure Voice System NCA (1)North Central Asia (MWARA) NCA (2)National Command Authorities, US nuclear "button" NCAR National Center for Atmospheric Research, CO NCC National Coordinating Center for Telecommunications (US NCS) NCCOSC Naval Command, Control and Ocean Surveillance Center NCDC National Climatic Data Center NCEM National Coordinating Council for Emergency Management, now IAEM NCFSK Non-Coherent Frequency Shift Keying NCIC National Crime Information Center, US database of police records NCO Non-Commissioned Officer NCPi Netware Core Protocol NCR National Cash Register NCS (1)National Communications System, US government NCS (2)Net Control Station NCS (3)Naval Communications Station NCS (4) Network Coordinating Station NCSA National Centre for Supercomputing Applications, developed Mosaic web browser, which became Netscape (Mozilla) NCTSI Navy Center for Tactical Systems Interoperability (US) ND Nondirectional NDB Nondirectional beacon NDIS Network Driver Interface Specification NDS NUDET Detection System, see NUDET NE Northeast NEACP National Emergency Airborne Command Post, "kneecap," now NAOC NECN National Emergency Coordination Network NERC North American Electric Reliability Council (bulk power delivery) NERK Old CW group call, obsolete NESDIS National Environmental Satellite, Data and Information Service NEST Nuclear Emergency Search Team ("Flynest") NET/ROM Network packet radio protocol Net BEUI Net BIOS Extended User Interface Net BIOS Network Basic Input/Output System NFCC National Frequency Coordinators' Council NFR Navy Fleet Relay (USN secure satcom) NFS Network File System NGO Nongovernmental organization NHC National Hurricane Center NIC (1)Network Interface Card NIC (2)Network Information Center Ni Cad Nickel Cadmium (battery) Ni Cd Nickel Cadmium (battery) NICP National inventory control point NIEX No-Notice Interoperability Exercise (NATO) NIFC National Interagency Fire Center (US forest fire resources) NIFTP Network Independent File Transfer Protocol NIL CW prosign: "No traffic" or "I copy nothing" NIMBY Not In My Back Yard (place people want radio towers) Ni MH Nickel-metal hydride (battery) Ni Mh Nickel-Metal-Hydride (battery) NIMS Naval Ionospheric Measuring System (UK) Niner Number nine, to distinguish from five NIPRNET Non-Classified Internet Protocol Router Network (sensitive military net) NIS Network Information System NISO National Information Standards Organisation (US) NISP Networked Information Services Project (UK) NISS National Information on Software and Services (UK) NIST National Institute of Standards & Technology (old NBS) NLM Netware Loadable Module (extension of Novell Netware) NLSP Netware Link Services Protocol nm Nautical Mile; about 1.24 statute miles Nm Nautical Mile (1.85 km) NMA US Coast Guard COMMSTA, Miami, now controlled from CAMSLANT NMC (1)National Meteorological Center NMC (2)Call of US Coast Guard CAMSPAC Pt Reyes, CA NMEA National Marine Electronics Assn NMF US Coast Guard COMMSTA, Boston, will be ctld from CAMSLANT NMG US Coast Guard COMMSTA, New Orleans, will be ctrld from CAMSLANT NMN US Coast Guard CAMSLANT Chesapeake, VA NMO US Coast Guard COMMSTA, Honolulu NNCC National Network Control Center (FAA) NNE North-northeast nnnn RTTY/Telex ending characters NNTP Network News Transfer Protocol (USENET) NNW North-northwest NOAA National Oceanic & Atmospheric Administration NOC Network Operation Center NOE Nap-Of-the- Earth (low altitude attack) NOI Notice Of Inquiry (FCC rulemaking) NOJ US Coast Guard COMMSTA, Kodiak NORAD North American Aerospace Defense Command NORDO (1)No Radio NORDO (2)Aircraft has no radio (uses visual signals to tower) NORLANT North Atlantic norm normal NOS (1)Amateur version of TCP/IP (Internet protocols) NOS New, Old-Stock (wine or vacuum tubes) NOS (2)National Ocean Service NOSC Naval Ocean Systems Center, San Diego, CA, now NCCOSC NOSIG No Significent Weather NOSPECI no SPECI reports are taken at the station NOTAM Notice to Airmen NP North Pacific (MWARA) NPA Notice of Proposed Amendment NPN Negative/Positive/Negative; transistor type NPR National Public Radio (US) NPRM Notice of Proposed Rule Making (FCC) NPS National Park Service (US) NPSTC National Public Safety Telecommunications Council NRa D Naval Research and Development (US) NRAO National Radio Astronomy Observatory NRC (1)National Radio Club NRC (2)Nuclear Regulatory Commission (US) NREN National Research and Education Network, faster Internet successor for research sites NRI Net radio interface NRL Naval Research Laboratory (US) NRO National Reconnaissance Office (operates US spy satellites) NRV US Coast Guard COMMSTA, Guam, controlled from CAMSPAC NRWATS Naval Rotary Wing Aircraft Test Squadron NRZ Nonreturn to Zero NRZL Return To Zero Level NRZM Nonreturn To Zero Mark NRZS Nonreturn To Zero Space NS Node switch NS/EP National Security/ Emergency Preparedness NSA (1)National Security Agency (US intercept and crypto) NSA (2)No Such Agency (NSA used to "not exist") NSA (3)Never Say Anything (NSA secrecy policy) NSAP Network Service Address Point NSAWC Naval Strike and Air Weapons Center (replaces "Top Gun") NSE National Support Element NSF National Science Foundation (US) NSFNET National Science Foundation Network, old Internet backbone NSK Narrowband shift keying NSTAC National Security Telecommunications Advisory Committee (US) n T Nanotesla (unit of magnetic flux=1n Weber/m) NT Not Tested NTA (1)National Telecommunications Alliance (NCS) NTA (2)National telecom administration (ITU member bodies) NTCN National Telecommunication Coordination Network NTIA National Telecommunications and Information Administration NTM Notice to Mariners NTMS National Telecommunications Management Structure (national emergency plan) NTN NATO Track Number NTS (1)National Traffic System, amateur message network NTS (2)Naval Telecommunications System NTSC (1)National Television Standards Committee (US TV standard) NTSC (2)Never The Same Color (result of using above) NTT Nippon Telegraph and Telephone (Japanese "FCC") NUC Nuclear NUCINT Nuclear Intelligence NUCO Numerical Code (US Navy) NUDET Nuclear detonation NUKO Old group call: To All Ships Receiving MERCAST NUL Nothing (ASCII 0000) NVG Night-Vision Goggles NVIC Navigation & Vessel Inspection Circular NVRAM Nonvolatile Random Access Memory NW (1)CW brevity code: "Now," or "New" NW (2)Northwest NWR NOAA Weather Radio NWS (1)National Weather Service (US) NWS (2)Naval Weapons Station NWSFO National Weather Service Forecst Office nx News NYSEMO New York State Emergency Management Office O&O Owned & Operated (by broadcast network) o/l Online O/R On request O/R Address Originator/Recipient Address O/S Out of service OARNET Ohio Academic Resources Network OASD/C3I Office of the Assistant Secretary of Defense for command, control, communications and intelligence OBS Ship weather report in standard form OCA Oceanic Control Area OCC Operations Control Center (Centre) OCD (1)Office of Civilian Defense, obsolete OCD (2)Operations Control Division OCNL occasional OCONUS Outside Continental United States OCOT Office of the Chief of Transportation (US Army) OCR (1)Optical Character Recognition OCR (2)Optically Coupled Regenerative OD (1)Officer of the Day OD (2)Overdose ODBC Open Data Base Connectivity (Microsoft) ODMP Orbiter Maintenance Down Period (NASA) OE Operating Expense OEI One Engine Inoperative OEM Original Equipment Manufacturer OFCM Office of the Federal Coordinator for Meteorology OFP Operational Flight Program OG Operations Group OHD overhead OIC Officer In Charge OLF Outlying Landing Field (US Navy) OLTP On-Line Transaction Processing (IBM) OLX OLE Custom Control (MS made it up... QRM Interference QRN Noise QRO (1)High power operation QRO (2)Please increase power QRP (1)Low power operation QRP (2)Please reduce power QRP (3)Quick Reaction Package (US Army vehicle) QRQ Please increase code sending speed QRR Old land distress call, now SOS, MAYDAY, or QRRR QRRR Old land distress call QRS Please reduce transmission speed QRT (1)Station has ceased transmitting QRT (2)Please cease transmitting QRU I have no traffic for you QRU? QRV I am ready (go with your traffic) QRX Please standby QSA Signal strength QSB Fading QSD Your keying is defective QSK Duplex CW ("break-in") QSL (1)A card or letter confirming reception of a radio station QSL (2)Acknowledgment of transmission, a fancy "roger" QSO Communications between two or more stations QST (1)General call: "Hello all amateurs" QST (2)Ham radio magazine published by ARRL QSTAG Qadripartite Standardization Agreement QSV Send Vs QSX I am listening on...) ESN Electronic Serial Number ESS Electronic Switching System (landlines) EST Eastern (US) Standard Time ET (1)Extra-terrestrial ET (2)External Tank (NASA) ET (3)Eastern Time (US) ETA Estimated time of arrival ETB End of Transmission Block ETD Estimated time of departure ETLA Extended Three-Letter Acronym (a four-letter acronym) ETOH Alcohol (for some reason, paramedics say the chemical name) ETX End Of Text (ASCII) Eunet European part of UUCP, Unix file transfer network EUR Europe (MWARA) EUV Extreme ultraviolet (can ionize) EW Electronic warfare EWO Emergency War Order EXE Computer file extension: loads as executable EXE2BIN PC program for creating . EXE f Farad (a huge capacitor; usually uf or pf) F Frequency (in Hertz) F/O (1)Fiber optics F/O (2)Follow-on F/V Fishing Vessel F/W Fixed wing (airplane) F0 FM carrier, no modulation, sounds just like A0, now N0N F1B Mode designator: frequency shift keying F2B Mode designator: Audio frequency-shift keying F3C Mode designator: fax F3E Mode designator: FM voice or broadcasting FAA (1)Federal Aviation Administration (US) FAA (2)Foreign Assistance Act FAADC3 Forward Area Air Defense Command, Control, Communications Intelligence System (US Army) FAC Field-Aligned Current, an irregular propagation mode FACSFAC Fleet Area Control & Surveillance Facility (US Navy) FAF French Air Force FAGDS Federation of Astronomical and Geophysical Data Services FAPSI Federal Agcy for Govt Comm & Info (Russian, replaced KGB) FAQ Frequently Asked Questions (Internet/USENET) FAR Federal Aviation Regulations FARP Forward Arming & Refueling Point FAS (1)Frequency Assignment Subcommittee (of IRAC) FAS (2)Federation of American Scientists FAS (3)Frequency Assignment Subcommittee FASC Forward area signal center FAST Fleet Antiterrorist Strike Team (US Marines) FAST NASA Fast Auroral Snapshot Small Explorer satellite FAT File Allocation Table (MS-DOS) 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) FBO Fixed Base Operator FC funnel cloud FCC Federal Communications Commission FCMP Fleet Composite Broadcast (USCG Honolulu) FCO Federal Coordinating Officer (FEMA) FD Fixed Disk FD (1)Floppy Disk FD (2)Fixed Disk (confusing! Chief of staff, operations and plans (US Army) G4 Asst. of) Health & Human Services HI CW brevity code: a laugh (all dits, easier to send than "HA") Hi-fi High Fidelity (audio) HICOM High Command net (US Navy) HIPAS High-Power Auroral Stimulation HIPPI High Performance Parallel Interface HISCAT High-latitude, High-altitude, High-power, High-frequency, High-performance, Heating and ionospheric Scatter facility (research) HIWAS Hazardous Inflight Weather Advisory Service HM Her Majesty HMCS Her Majesty's Canadian Ship HMMWV High mobility, multipurpose wheeled vehicle (hummvee) HMS Her Majesty's Ship HNG-FEC Hungarian diplo FEC teleprinting system HNMP HF Network Management Protocol HNS Host nation support HOLF Helicopter Outlying Landing Field hp Horsepower HP (1)High Pass (filter circuit) HP (2)Highway Patrol Hpa Hectopascal HPE CW brevity code: "Hope to..." HPI High-Priority Intercept (global HF comint system) HPTS High-Power Transmitting System (TACAMO) HQ Headquarters HQDA Headquarters, Department of the Army hr Hour HRC Harmonically Related Carrier (CATV channel scheme) HRMP HF Relay Management Protocol HRPT High Resolution Picture Transmissions hrs Hours HRT Hostage Rescue Team (FBI) HSSP HF Station Status Protocol HST (1)Hawaiian Standard Time HST (2)Hubble Space Telescope HT (1)Handie-talkie, a hand-held radio HT (2)Horizontal Tab (ASCII) HTML Hypertext Markup Language (world wide web) HTS High Temperature Superconducting HTTP Hyper Text Transmission Protocol (WWW) HTTP-NG HTTP Next Generation HTTPD HTTP Daemon (Unix) HTTPS (1)HTTP Server HTTPS (2)HTTP with Secure Sockets Layer HUMINT Human Intelligence (spies!) FDD Floppy Disk Drive FDDI Fibre Data Distribution Interface FDM Frequency-Division Multiplex FDPT Fixed Disk Parameter Table FDX Full Duplex 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 FEK Frequency Exchange Keying FEMA Federal Emergency Management Agency FEP (1)Front End Processor (computers) FEP (2)FLTSAT EHF Package (Navy) FET Field-effect transistor FEW Few clouds FF (1)French Forces FF (2)Transmission is in French FF (3)Formfeed FF (2)French Forces FF Form Feed (ASCII) FFH (1)Fast Frigate Helicopter FFH (2)Fast Frequency Hopping (spread spectrum scheme) FFHT-net Fast-Frequency-Hopping Training net FFRDC Federally Funded Research& Development Center (MITRE Corp.) FFT Fast Fourier transform FG (1)Foreign Government (Foxtrot Golf) FG (2)Fog FH Field hospital FHWA Federal Highway Administration (US) FI Field Investigation, Field Interview (police) FIA (1)Fibreoptic Industry Association (UK) FIA (2)Federation Internationale d'Automobile (Formula 1 racing) FIBI filed but impracticable to transmit FIFO First in, first out figs figures follow FIGS Figures case (Baudot upper case) FIRESCOPE Firefighting Resources of Southern California Organized for Potential Emergencies FIRST (1)Forum of Incident Response and Security Teams (computers) FIRST (2)first observation after a break in coverage at manual station FISIN Foreign Instrument Signals Intelligence FIST Fleet Imagery Support Terminal (US Navy) FL Flight level FLAK German: FLeiger Abwehr Kannonen (anti-aircraft artillery) FLIP Flight Information Publication (US Do D) 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 Flt (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 FM (2)Field manual FM (3)("Foxtrot Mike") VHF FM (US Navy) FM (4)CW brevity: From FMA-net Frequency Management A-net FMH Federal Meteorological Handbook FMH-1 Federal Meteorological Handbook-1 FMH-2 Federal Meteorological Handbook No.2 FMO Frequency Management Office FMOW FM Orderwire (US military) FMP Fleet Modernization Program FMS Foreign Military Sales FMT-net Frequency Management Training net FN French Navy FNG Friendly new guy/gal (possible security risk) FOB (1)Field Operations Bureau (FCC) FOB (2)Freight On Board (shipping regs) FOD Foreign Object Damage FOIA Freedom of Information Act FORSCOM Forces Command FORTRAN Formula Translator (early IBM computer language) FOT Optimum Traffic Frequency (fq that will work most days of period) Foxes THE QUICK BROWN FOX... ) HVAR High-Velocity Aerial Rocket HW CW brevity code: "How do you copy me?S.) CBT (1)Computer-based training CBT (2)Combat CBTS Computer-based training system CBW (1)Chemical & Biological (warfare) CBW (2)Constant bandwidth CC (1)Transmission is in Standard Chinese ("Mandarin") CC (2)Command & Control CC (3)Command Center CC (4)Control Center CC (5)Commander CC (6)Computer controller CC (7)Copies CC (8)C Compiler (unix) CC cloud-cloud lightning CC&D Camouflage, concealment and deception CC&R Covenants, Conditions & Restrictions; what you check before buying a home if you intend to build an antenna there CCAS Cape Canaveral Air Station, FL, formerly CCAFS CCC (1)Central computer complex CCC (2)Communications control complex CCC (3)Consolidated Command Center (NORAD) CCD Charge Coupled Device CCDM Consultative Committee for the Definition of the Meter CCDS Consultative Committee for the Definition of the Second CCE (1)Command & control element CCE (2)Consultative Committee on Electricity CCEMRI Consultative Committee for Ionizing Radiations CCG Calibration Coordination Group CCIR International Radio Consultative Committee, now ITU-R CCIRID Charge-coupled infrared imaging device CCITT Comite Consultatif International de Telegraphique et Telephonique (International Telegraph & Telephone Consultative Committee), obsolescent CCL Common Command Language CCM Counter-countermeasures CCMC Canadian Centre for Maritime Communications CCP Console Command Processor, part of CP/M CCPC Civil Communications Planning Committee (NATO) CCSL cirrocumulus standing lenticular cloud CCTV Closed Circuit Television CCV Code change verifier CCW (1)Counter-clockwise CCW (2)Command & Control Warfare CCW (3)Continuous Carrier Wave CCW (4)Coherent CW CCW (5)Class C CW biasing (most efficient) CD (1) Compact Disc CD (2) Civil Defense (in U.S., now FEMA) CD (3) Carrier detect (modem line) CD-DA Compact Disc Digital Audio (format, part of the "Red Book") CD-I Compact Disc - Interactive (one format in the "Green Book") CD-R Compact Disc - Recordable CD-ROM Compact Disc Read Only Memory CD-ROM XA CD-ROM e Xtended Architecture, extends the "Yellow Book" CD-RTOS Compact Disc - Real Time Operating System (CD-I) CDA (1)Central distribution amplifier CDA (2)Command & data acquisition CDB Command data buffer CDC (1)Canadian Department of Communications CDC (2)Centers for Disease Control (US) CDC (3)Control Data Corporation CDF (1)Common Data Format CDF (2)California Division of Forestry (fire fighters) CDHF Central Data Handling Facility CDIS Canadian Defence Intelligence Staff CDM Chemical Downwind Message (US Army) CDMA Code Division Multiple Access CDNU Control Display Navigation Unit CDR (1)Commander CDR (2)Command destruct receiver (Stratcom) CDRAM Cache Dynamic Random Access Memory CDS Canadian Defence Staff CDT Central (US) Daylight Time CDU Control display unit (fancy "control head") CE (1)Conformite Europeanne (European Conformity); mark put on products for EEC CE (2)Committee that sets these requirements CEC Commission of the European Communities (drafts "CE" standards) CEC Cooperative Engagement Capability CECOM US Army Communications Electronics Command CENTCOM U. Central Command CEOI Communications-Electronics Operation Instructions CEP Central East Pacific (MWARA) CEPPO Chemical Emergency Preparedness and Prevention Office CEPT Conference of Postal & Telecommunications Administrations (EU) CEPTAG Civil Emergency Planning Telecommunications Advisory Group (Joint US/Canadian) CERN Centre Europ'eene por la Recherche Nucleaire, Center for European Nuclear Research, huge particle accelerator center, WWW originated there CERT Computer Emergency Response Team (Internet security) CF (1)Canadian forces CF (2)Center frequency CFAP Commandement Force Aerienne de Projection (French AF) CFARS Canadian Forces Affiliate Radio System CFB Canadian Forces Base CFBL Call Forwarding Busing Line (telco) CFBS Canadian Forces Broadcasting Service CFDA Call Forwarding Don't Answer (telco) CFEP Communications front end processor CFL Confidential Frequency List (good shortwave publication) CFM Cubic feet per minute CFR Code of Federal Regulations CFR 33: USCG Navigation Regulations CFR 46: USCG Vessel Regulations CFR 47: FCC Regulations CFS Canadian Forces Station CFT Center Frequency Tone CG (1)Coast Guard CG (2)Commanding General CG cloud-ground lightning CGAS Coast Guard Air Station CGDN Coast Guard Data Net CGM Corrected Geomagnetic coordinates CGMS Coordinating Group for Meteorological Satellites CGU Canadian Geophysical Union Ch Channel Ch mkr Channel marker CHAP Challenge Handshake Authentication Protocol (PPP) CHI cloud-height indicator CHINO sky condition at secondary location not available CHOP Chief Operator (Navy MARS) CHS Combat health support CHS Cylinder, Head, Sector (direct disk addressing) CI-V Radio computer interface made by Icom CIA Central Intelligence Agency (US) CIC (1) Combat Information Center (Navy) CIC (2) Combined Intelligence Center (US Air Force) CICS Customer Information Control System (IBM) CIG ceiling CINC Commander In Chief, also can be prepended, as in: CINCLANT C in C, Atlantic CINCNORAD C in C, NORAD CINCPAC C in C, Pacific CINCSTRAT C in C, Stratcom CIRC Cross Interleaved Reed Solomon Code CIS Commonwealth of Independent States (replaced USSR) CISC Complex Instruction Set Computing CISCO Consolidated intelligence support to combat operations CISPR International Special Committee on Radio Interference CIW Combined Intelligence Watch CIWS Close-In Weapons System CJCS Chairman, Joint Chiefs of Staff (US) CJFET Complementary junction field effect transistor CJMAO Central Joint Mortuary Affairs Office CK Check (usually word count in a message) CL CW prosign: I am closing my station (clearing) CL Centerline Lighting System Class A (1)Stage is biased to conduct continuously Class A (2)High explosive (military phone patches) Class B Stage is biased to conduct on half of cycle Class C (1)Stage is biased to conduct less than half Class C (2)Gunpowder (military phone patches) Class D Digital switching Class E New, like D CLC Circuit Link Control Clg Calling CLOVER Robust RTTY mode for HF CLR Clear CLR Clear below 12,000 feet (automated METAR) cm Centimeter CM (1)Countermeasures CM (2)Corrected Geomagnetic coordinates CMARS Cruise Missile Autonomous Routing System CMAS Cheyenne Mountain Air Station, was CMAFB, CMAFS CMC (1)Cheyenne Mountain Complex (NORAD) CMC (2)Command management center CMC (3)COMSAT Mobile Corporation, part of COMSAT CMD (1)Command CMD (2)Network Command (ALE) CMDR Commander CME Coronal Mass Ejection, causes aurora CMI Computer-managed instruction CMIS Cheyenne Mountain Interface Subsystem CMO Civil-military operations CMOS Complementary Metallic Oxide Semiconductor CMS (1)Canadian Maritime Service CMS (2)Calendar Messaging Service (Solaris) CMT Cellular Mobile Telephone CMU Cheyenne Mountain Upgrade CMX Crisis Management Exercise (NATO) CMY Cyan, Magenta, Yellow (subtractive color printing) CMYK Cyan, Magenta, Yellow, blac K (4-color printing) CN (1)Communications network CN (2)Counter-narcotics CNAAS Counter-narcotics air analysis system CNCE Communications nodal control element CNCS Centralized Net Control Station (Scope Command hub at Andrews AFB) CNE (1)Communications Network Environment CNE (2)Communications Node Emulator CNE (3)Certified Netware Engineer (Novell) CNES Centre National d'Etudes Spatiales (French space agency) CNM (1)Communications Network management CNMI Commonwealth of the Northern Mariana Islands CNN Cable News Network CNO (1)Chief of Naval Operations CNO (2)Casualty notification officer CNRADL Canadian RADIL (ROCC/AWACS digital information link) CNS (1)Communications, navigation & surveillance CNS (2)Central nervous system CNS Consolidated NOTAM System (Another nested acronym courtesy FAA) CNTRA Chief of Naval Air Training (pronounced "Sinatra" like the singer) co UK version of (Internet domain) CO (1)Commanding Officer CO (2)Central Office (telcom) CO/MIS Commander, Management Information Center COA Course of action Coax Coaxial cable COBOL Common Business Oriented Language (clunky old programming code) COBRA (1)Coastal Battlefield Reconnaissance System COBRA (2)Counter Battery Radar COBRA DANE US military air surveillance radar system COCOM Combatant command CODAR Coastal Ocean Dynamics Radar Codec Coder/Decoder COE (1)Circle of Error COE (2)Common Operating Environment COE (3)Central Office Equipment COFAS Commandement Force Aerienne Strategique (French AF) Cof S Chief of Staff COG Continuity Of Government (emergency plan) COL Colonel COM (1)Computer file extension: load as simple command program COM (2)Commercial domain (Internet) COM Component Object Module (Windoze) COMACC Commander, Air Combat Command COMAFSPACE Commander, Air Force Space Command COMARSPACE Commander, U. Army Space Command COMASWFORLANT Commander, ASW Forces Atlantic COMCON Communications Condition (MARS) COMFAIRMED Commander, Fleet Air Mediterranean COMFAIRWINGTEN Commander, Fleet Airwing Ten COMHSWINGONE Commander, Helicopter Antisubmarine Wing One COMINT Communications Intelligence COMJAM Communications jamming Comm Communications (also "commo") COMMSTA Communication Station COMMZ Communications zone COMNAVCOMTELCOM Commander, Naval Computer and Telecommunications Command COMOPTEVFOR Commander, Operational Test and Evaluation Force COMPATWING Commander, Patrol Wing COMPATWINGSLANT Commander, Patrol Wings Atlantic COMPUINT Computer intelligence Compul Compulsory COMSAT (1)COMmunication SATellite COMSAT (2)Comsat Corp., US consortium & INMARSAT Convention rep COMSEABASED Commander, Sea-Based ASW Wings, Atlantic COMSEC Communication Security COMSTAT Communications Status Report COMSUBLANT Commander, Submarine Forces, Atlantic (USN) COMSUBPAC Commander, Submarine Forces, Pacific (USN) COMTAC Communications Tactical CONCISE Cosine Network's Central Information Service for Europe CONELRAD Control of Electromagnetic Radiation, obsolete Config Configuration, configure conmara Italian Consulate, Maracaibo, Venezuela conmars Italian Consulate, Marseille, France conmopr Italian Consulate, possibly Montpellier, France conmpla Italian Consulate, Mar del Plata, Argentina CONOP(s) Concept of Operations(s) CONS continuous conspie Italian Consulate, possibly St.baud rate data pump speed BBC British Broadcasting Company BBN Backbone network BBS (1)Bulletin Board System (computer networking) BBS (2)Battery backup system BC (1)Broadcast BC (2)Back course BC (3)Patches (of sig.
Weather) BC3 Battle management and command, control and communications BCA Broadcast Control Authority BCC (1)Base Communication Center BCC (2)Bureau Communication Center (LAPD) BCC (3)Battlefield circulation control BCC (4)Blind Carbon Copy (e-mail) BCD (1)Binary-coded decimal BCD (2)Bad conduct discharge BCE Base civil engineer BCF Backup communications facility, Dahlgren, VA BCFG Fog patches BCI (1)Broadcast interference (from xmtr to bc) BCI (2)Binary-coded information BCL Broadcast listener BCM Baseline correlation matrix BCO (1)Base communications officer BCO (2)Base contracting officer BCO (3)Broad concept of operations BCP Base comprehensive plan BCS Broadcast Keying Station bd Baud BDA (1)Battle damage assessment BDA (2)Bermuda (NASA) BDAR Battle damage assessment and repair bde Brigade BDU Battle dress uniform BEAR Beam Experiment Aboard Rocket BEC Bulk encrypted communications BEEF Base Engineering Emergency Force,("Prime BEEF team") Bel Unit of voltage or power ratio, named for Alexander Graham Bell, usually expressed in deci Bels BEL Bell (ASCII, RTTY) BEP (1)Bit error probability BEP (2)break-even point BER Bit Error Rate BERT (1)Bit error rate test(er) BERT (2)Bit Error Rate Testing BFACS Battlefield Functional Area Control Systems BFBS British Forces Broadcasting Service BFO (1)Beat frequency oscillator (CW/SSB mode of receiver) BFO (2)Backhaul follow-on BG Brigadier general BGEN Brigadier general BGP Border Gateway Protocol (TCP/IP) BIDDS Base integrated digital distribution system BIDS Backup information display system BIFC (1)Boise Interagency Fire Cache, obsolete BIFC (2)Boise Interagency Fire Center, now NIFC BIH Bureau International l'Heur, International Time Bureau, coordinates UTC leap seconds BILS Ballistic Impact Locator System Bin Binary BIND Berkeley Internet Name Domain Binhex Binary to hexadecimal, usually for sending binaries as ASCII BIOS Basic Input/Output System (part of computer op-system) BIOT British Indian Ocean Territory BIPS (1)Billion Instructions per Second (computing) BIPS (2)Backup Impact Prediction System Bit (1)BInary digi T, a one or zero, basic digital information unit BIT (2)Built-In Test Bit/s Bit per second BITE Built-In Test Equipment BITE Built-In Test Equipment BITNET Because It's Time NETwork, from IBM, now global BIU Bus interface unit (computer h/w) BK CW prosign: long break or break-in BKN Broken cloud cover BL blowing BLAISE (1)British Library Automated Information Service BLAISE (2)Blaise Pascal, French Mathematician BLDU Blowing dust BLER Block Error Rate BLERT Block Error Rate Testing BLM Bureau of Land Management (US) BLOS Beyond line of sight BLPY Spray BLS Bureau of Labor Statistics (US) BLSA Blowing sand BLSN Blowing snow BMD Ballistic missile defense BMDATC Ballistic missile defense advanced technology center BMDCCC Ballistic missile defense command and control center BMDE Ballistic missile defense enhancement BMDO Ballistic missile defense organization, formerly SDIO BMDOC Ballistic missile defense operating center BMDSCOM Ballistic Missile Defense Systems Command, now U. Army Strategic Defense Command BMEWS Ballistic Missile Early Warning System BMO Ballistic Missile Office (US) BMOPS Battle Management Operations BMP (1)File extension: bitmap image BMP (2)Battle manager processor BMS Backward Music Station (weird RF feedback on HF) BMT (1)Ballistic Missile Threat BMT (2)Beam Management Terminal BMT (3)Bronx Motor Transit BMT/SS Ballistic Missile transporter, storage and shipping bn Battalion BN CW prosign: repeat between -- and -- BNC Bayonet Neill-Concelman (cable connector for radios and computers) Bn OC Battalion Operations Center BNSC British National Space Center BO Bad Order (inoperative unit writeup) BOOTP Bootstrap Protocol (IP addressing) BOPS Billion operations per second (computing) BOQ Bachelor Officer Quarters BORAM Block-Oriented RAM bot Robot, typically a network program that does an admin duty BOT Beginning of Tape BP Bandpass bps Bit per second, not necessarily a "baud" Bps Bytes per second BPSK Biphase Shift Keying BQ Beam Quality BR Bridgewire resistance BR mist BRAC Base Realignment And Closure BRACC Base Realignment And Closure Commission (US military) BRB Be Right Back (Internet) brdg bridge BRI Basic Rate ISDN, 2 64Kbps channels BRV (1)Booster Recovery Vessel (NASA) BRV (2)Ballistic reentry vehicle (Stratcom) BS (1)Battle staff BS (2)Battle station BS (4)aka "Bravo Sierra;" the excrement of bulls BS (3)Backspace BSA (1)Brigade support area BSA (2)Birmingham Small Arms BSC Base security council BSD Berkeley Software Distribution (Unix type) BSE Broadcast Satellite Experiment BSSC Battle staff support center BSTRS Base Support Trunked Radio System, aka "B-STARS" BSU (1)Baseband separation unit BSU (2)Bulk Storage Unit BSVS Backup Secure Voice System BT (1)("Bravo Tango") Bomb threat BT (2)CW prosign: short break BT (3)British Telecom BTC Block transfer controller (computing) BTH Below (beyond) the horizon BTI British Telecom International BTL Black telemetry (USAF) Btry Battery BTS Broadcast Transmitting Stations BTW By the way Buff Big Ugly Flying F[ellow] (B-52) BULLDOG BULLSEYE US Navy HF upgrade, like USAF's SCOPE, but includes DF [~] BUMCS Backup Master Control Station (GPS, Gaithersburg, MD) BURN 1000W UHF aircraft orderwire (US mil; not an acronym, refers to high power) BVR Beyond visual range BW Bandwidth BWS Base weather station BX Base exchange BZ ("Bravo Zulu") Good job C (1)Capacitance, in farads C (2)Confidential C (3)the C programming language C (4)Celsius C (5)Designator for head of British MI6 c The speed of light, and radio waves, in a vacuum C (6)Center (with reference to runway designation) C&DH Communications & Data Handling C&DP Communications & Data Processing C-band 4-8 GHz microwave band C-cubed Command Control and Communications C-SPAN Cable-Satellite Public Affairs Network (US) c/s Callsign c/w Callword C2 Command and Control C2CM Command and Control Countermeasures C2IPS Air Mobility Command and Control Information Processing System C2P Command and Control Processor C2V Command and Control Vehicle C2W Command and Control Warfare C2WC Command and Control Warfare Commander (US Navy) C3 Command, Control and Communications C3F Mode designation: television or video C3I Command, Control, Communications and Intelligence C3S Command, control and communications segment C3SMP Command, control and communications system master plan C4I Command, Control, Communications, Computers and Intelligence C4ID Command, Control, Communications, Computers and intelligence Dissemination C4IFTW C4I for the Warrior C4ISR Command, Control, Communications, Computing, Intelligence, Surveillance, & Reconaissance C4S Command, Control, Communications, Computer Systems C4SMP Command, control, communications and computers system master plan CA (1)civil affairs CA (2)COMSEC Account CA cloud-air lightning CAATS Canadian Automated Air Traffic System CACS Command And Control Squadron CAD (1)Computer-aided design CAD (2)Coherent amplitude detector CAD (3)Computer-aided dispatch CAD/CAM Computer aided design/computer aided manufacturing CAE Computer-aided engineering CAI Computer-aided instruction CAINS Carrier Aircraft Inertial Navigation System CAL Calibrate, calibration CALS Computer-aided Acquisition & Logistics System CAM Computer-aided manufacturing camo Camouflage CAMO Computer-aided manual operation CAMSLANT Communications Area Master Station, Atlantic CAMSPAC Communications Area Master Station, Pacific CAN Controller Area Network (industrial automation) CAN Cancel (ASCII) CANFORCE Canadian Forces CANR Canadian NORAD Region CANUS Canada/US CAOC Combined Allied Operations Center, Vicenza, IT (Allied Force) CAP (1) Civil Air Patrol CAP (2) Carrierless Amplitude Phase CAPCOM Capsule Communicator (NASA) CAPEG Cape Canaveral Ground Antenna (GPS) CAPS Center for the Analysis and Prediction of Storms (NWS) CAPT Captain CAR Caribbean (MWARA) CARB Channel Availability Radio Bulletin (NATO) CARCAH Chief, Aerial Reconnaissance, All Hurricanes (NHC) CARIBROC Caribbean Regional Operations Center CARR Corrective Action Request & Report CAS (1)Close Air Support CAS (2)Collision Avoidance System CAS Calibrated Air Speed CASE (1)Common automated system execution CASE (2)Computer-aided software engineering CASE (3)Computer-aided system engineering CASREP Casualty Report CAT (1)Clear Air Turbulence CAT (2)Computer Aided Transceiver, proprietary control interface CATV Community Antenna Television ("cable") CAU Crypto Ancillary Unit CAV (1)Collision Avoidance CAV (2)Conditionally Available (LA City FD) CAV (3)Ceiling and visibility CAVOK Ceiling & Visibility OK (non-US METAR) CAVU Ceiling & visibility unlimited CB Citizen Band Radio (legal or otherwise, around 27 MHz) CB cumulonimbus cloud CB Cumulonimbus (thundercloud) CBC Canadian Broadcasting Company CBFS Cesium Beam Frequency Standard CBM Central battle management CBMAM cumulonimbus mammatus cloud CBR (1)Chemical, Biological, Radiological (warfare) CBR (2)Constant bit rate CBRN Caribbean Basin Radar Network CBS Columbia Broadcasting System (U.
SPF Shortest Path First SPI Service Provider Interface SPINCOM Special Intelligence Communications Spkr Speaker SPL Sound Pressure Level SPL/1 High-Order Signal Processing Language #1 SPO Security, plans, and operations SPOD Seaport of debarkation SPS Spectrum Planning Subcommittee (of IRAC) SPSS Space Surveillance Squadron Spt Support SPX Sequenced Packet Exchange SQ squalls sqdn Squadron SQL Structured Query Language (computer databases) SR Special Reconnaissance (SR-71 "Blackbird") SRA Specialized repair activity SRAM Static Random Access Memory SRB Solid-Rocket Booster(s), NASA Space Shuttle, recovered by BRV SRMS Smart Resource Management System SRWBR Short Range Wide Band Radio SS (1)Transmission is in Spanish SS (2)Sandstorm SSA Supply support activity SSB Single Sideband SSC Sudden Storm Commencement (geophysics) SSE South-southeast SSF Southern Straits of Florida SSG The Space Systems Group SSI Server Side Includes (web) SSI Space Science Institute SSID Secondary Station Identifier (packet) SSL Secure Sockets Layer (encrypted TCP/IP computer networking) SSN (1) Sunspot Number SSN (2) Nuclear Submarine (US Navy) SSN Social Security Number (same as TIN - FCC forms) SSOM Spanish language numbers transmission, male voice SSPAR Solid State Power Amplifier-Receiver SSR (1)Secondary Surveillance Radar SSR (2)Soviet Socialist Republic (obsolete) SSR/IFF Secondary Surveillance Radar/Identification Friend or Foe SSRAM Synchronous Static Random Access Memory SSRC Single Sideband, Reduced Carrier SSSC Single Sideband, Suppressed Carrier SST (1)Supersonic Transport (aircraft) SST (2)Sea Surface Temperature SSTV Slow Scan Television SSW South-southwest SSYL Spanish language numbers transmission, female voice ST Send Timing (EIA-449) STA (1)Status (packet) STA (2)Special Temporary Authority (from FCC, to do something) STAJ Short Term Anti-Jam (makes gurgling noise on-air) STAMIS Standard Army Management Information System STANAG Standardization Agreement (NATO) STAR SHARES Transportable Auxiliary Radio STARC State Area Command (Army NG) STARS Secure Tactical Army Radio System STARS-V Secure Tactical Army Radio System-VHF STAT Old CP/M status command, replaced in version 3.0 STCICS Strike Command Integrated Communications System (RAF) STD (1)Standard STD (2)Solar-Terrestrial Dispatch, Canadian auroral warning center STG Satellite Tracking Group STK Strike Control Stn Station STP Shielded Twisted Pair (cable) STPD standard temperature, pressure, dry STRATCOM U. Strategic Command STS Space Transport System, the "Space Shuttle" STSA Standard Telemedicine System Architecture STT Shore Targeting Terminal STU Secure Telephone Unit STU-III Secure Telephone Unit, Third Generation STX Start Of Text (ASCII) SUB Substitute (ASCII) SUNA Sudan News Agency Super DARN Super Dual Auroral Radar Network suppl supplement SURFnet Dutch academic network SUV Sport-Utility Vehicle SV-CW-C Greek Telegraphy Club, aka GTC svcs services SVP (1)Single Line Variety Package (telco) SVP (2)Si Vous Plait ("If you please" in French) SW (1)Shortwave (high frequency - HF) SW (2)Southwest SWBC Short Wave Broadcasting SWED-ARQ Swedish ARQ teleprinter system, used by that country SWG Short Wave Fadeout (ionospheric disturbance) SWI Special World Interval, unscheduled radio astronomy observation period caused by solar event SWL Shortwave Listener SWR (1)Standing Wave Ratio SWR (2)Surface-Wave Radar SWS Standard Workstation (US Coast Guard) SX (1) Simplex SX (2) Old Hallicrafters prefix, usually meant radio had xtal filter SYN Synchronous Idle SYNOP Synoptic weather reports (from surface observations) Sysop System Operator, the king on a BBS t Time (in seconds) T (1)US Coast Guard C3 office, DC; aka G-T T (2)Boston transit system T-Plex 8-frequency duplex ARQ teleprinter system T/R Transmit/Receive switching T1 Relatively high speed data connection over phone line tac tactical TAC Tactical Air Command, now ACC TAC Technical Advisory Committee TACACS Terminal Access Controller Access Control System TACAMO Take Charge And Move Out (US Navy CP aircraft) TACAN Tactical Air Navigation TACC (1)Tanker/Airlift Command Center (US AMC) TACC (2)Tactical Aircraft Control Center (US) TACFIRE Tactical fire direction system TACS Terminal Access Conversion Service (UK) TACS Traffic Alert and Collision Avoidance System TACSAT Tactical satellite TACSATCOM tactical satellite communications TADIL Tactical Digital Information Link (US) TAF Terminal Area Forecast, weather at airports, like on VOLMET TAI International Atomic Time TAL Transoceanic Abort Landing (space shuttle) TALCE Tanker Air Lift Control Element TANJUG Old Yugoslav news agency TAO Tactical Action Officer TAOC Tactical Air Operations Center TAP Telocator Alphanumeric Protocol (paging) TAPR Tuscon (AR) Amateur Packet Radio, ham software source tar Tape Archive, Unix backup/archive program TAS True Air Speed TASMA Two-meter Area Spectrum Management Assn. (RTTY) WSHFT wind shift WSM Weapon system manager WSMR White Sands Missile Range (NM) WSO Weapon Systems Officer ("Whizzo") WSRO Weapon system replacement operations WSTF White Sands Test Facility (NM) WSW West-southwest WT (1)Walkie-talkie WT (2)Wireless Telegraph (Morse or RTTY) WTB (1)Wireless Telecommunications Bureau (FCC) WTB (2)Want To Buy (radio swap ads) WTGB 140' Icebreaking Tug (USCG) WU Western Union WUN World Utility News, Internet group, maintains large e-mail list, rhymes with "one" WW Weather Warning WWABNCPP Worldwide Airborne National Command Post Program WWMCCS Worldwide Military Command and Control System, obsolescent WWV NIST standard frequency & time station, Boulder, CO WWVB NIST Boulder, CO, low frequency standard broadcast WWVH NIST standard frequency & time station, Kekaha, HI WWVL Old NBS low-frequency time stn, no longer on air WWW World Wide Web, aka W3, www, Web, World Wide Wait Wx Weather WYSIWYG What You See Is What You Get (computers) X (1) Reactance, in ohms X (2)(Also "Xray") prosign for end of sentence X-band (1)8-12 GHz microwave band X-band (2)Expanded AM band, 1610-1720 k Hz X-windows Standard windowing system for networks (usually Unix) [~] XCHS Extended Cylinder, Head, Sector (addressing) xcvr Transceiver xfmr Transformer xistor Transistor xmit Transmit mode XML Extensible Markup Language XMODEM Async file transfer protocol, uses 128-byte or 1K packets, over direct links, not Internet XMS Expanded Memory System (IBM PC, different spec from EMS) xmsn Transmission xmt Transmit mode xmtr Transmitter XO Executive officer Xon/Xoff Computer serial flow control, usually using DC3/DC1 (^S/^Q) xponder Transponder XSL Extensible Style Language XT Extra Value (PC-XT was first IBM PC with a hard disk; obsolete) xtal Crystal XTP e Xpress Transfer Protocol (computers) XXX (1)CW prefix: traffic is urgent (same as SECURITE) [~] XXX (2)Set of standards for X.25 PAD packet networking XYL Wife ("ex-young lady") Y2K Year 2000, or resulting computer bugs (geekspeak) YAHOO Yet Another Heirarchical Officious Oracle; may be a back-formation, as guys who started Yahoo!
(Amateur) TAW Tactical airlift wing TAWC Tactical Air Warfare Center TBD To Be Determined TCAS Traffic (Alert) & Collision Avoidance System TCC Telecommunications center TCF Tactical combat force TCH Threshold Crossing Height TCP Transmission Control Protocol TCP/IP Transmission Control Protocol/Internet Protocol TCPOD Tropical Cyclone Plan Of the Day TCS Tactical Control System TCU Towering Cumulus TD (1)Transmitted Data, short for TXD TD (2)Transmitter/Distributor (old RTTY) TDA Table of distribution and allowances TDD Time Delay Distortion TDM Time-Division Multiplex TDMA Time Division Multiple Access TDP Takeoff Decision Point TDY Temporary duty ("to go TDY") TEC Total electron content (of ionosphere) TEC Total Electron Content (of ionospheric region) TECG Tactical Exercise Control Group TEI Text Encoding Initiative Telco Telephone Company ("The phone company") Telcom Telephone communication Telecom Telecommunication Teletext Short text messages, usually in TV blank interval TELINST Telecommunications Instructions Telnet Internet or dialup protocol for remote login TEMPEST Telecommunications Electronics Material Protected from Extraneous Spurious Transmissions (secure enclosure for computers, etc.; prevents eavesdropping) TEMPO Temporary weather change TERPES Technical Electronic Processing and Evaluation System TESTM Metar Test Message TEXN Traffic Exchange Network (MARS) Tfc Traffic tfc Traffic TFE Tactical field exchange TFEO Tactical field exchange officer TFW Tactical Fighter Wing THAAD Theater High Altitude Area Defense THD Total Harmonic Distortion (audio, in %) THREATCON Threat Condition (Alpha, Bravo...) TIA (1)Telecommunication Industry Association (UK) TIA (2)Thanks in advance TIA (3)The Internet Adaptor, clever SLIP emulator from dialup shell TIBS Tactical Information Broadcast System TIFF Tagged Image File Format, versatile computer graphic standard TIN Taxpayer Identification Number (same as SSN - FCC forms) TIS (1)Traveler's Information Station TIS (2)Trusted Information System TIS (3)This Is (ALE) TISCOM Telecom & Information Systems Command, VA (USCG) TKAP Transmitter Keep-Alive Program TLA Three-Letter Acronym (NASAspeak for NASAspeak) TMDE Test, measurement, and diagnostic equipment TMMMC Theater medical materiel management center tms Teams TN ("Tango November") Track number (ASW) TN3270 Telnet for IBM mainframes, emulates old 3270 terminal TNC Terminal Node Controller (packet) TOA Time Of Arrival TOC Tactical Operations Center TOD time of day TOE (1)Table(s) of organization and equipment TOE (2)Theory of everything (physics) TOR Teleprinting (or Telex) over Radio TOW Wire-guided missile TPFDD Time-phased force and deployment data TPO Transmitter power output TPR Third-Party Relay TPRAM Triple Port RAM TRACAB Terminal RAdar control in the tower CAB TRACON Terminal Radar Approach Control TRADOC United States Army Training and Doctrine Command trans Transportation TRANSCOM Transportation Command TRC (1)Tactical Radio Communication TRC (2)Transmission Release Code TRI-TAC Joint Tactical Communications trmt Treatment TRSA Terminal Radar Service Area TRUEX Training in Urban Environment Exercise (USMC) TS thunderstorm TSC Technical Subcommittee (of IRAC) TSCM Technical surveillance countermeasures (antibugging) TSGT Technical Sergeant TSNO thunderstorm information not available TSOP Thin Small Outline Package TSP (1)Telecommunications Support Plan (NCS) TSP (2)Telecommunications Service Priority (NCS) TSR Terminate and Stay Resident (IBM programming) TSSR Tropospheric Scatter (TROPO)-Satellite Support Radio TTL (1)Transistor-Transistor Logic TTL (2)Time To Live (of Internet packets) TTP Trusted Third Party (for authentication of public keys) TTT CW prefix: Distress call follows TTWCS Tactical Tomahawk Weapon Control System TTY Teletype TTYL Talk (Type) To You Later (Internet) TU (1)CW brevity: Thank you TU (2)Terminal unit (old current-loop RTTY) TU Terminal Unit (RTTY) TUBA TCP and UDP with Bigger Addresses (possible Internet extension) TV Television TVA Tennessee Valley Authority (big dam operator) TVI Television interference TWA (1)Trailing-wire antenna (USN ELF/Tacamo) TWA (2)Trans World Airways TWAIN (1)Toolkit Without An Important Name (Standard graphic scanner interface) TWAIN (2)Technology Without An Interesting Name TWAS This Was (ALE) TWEB Transcribed Weather Broadcast Twinplex Four-frequency duplex teleprinter system TWR tower tx Transmitter, talk TXD Transmitted Data (Serial I/O modem line) txt (1)Extension: file is unformatted ASCII text (computers) txt (2)Text U CW brevity code: "You" U Up U-ATA Ultra-AT Attachment U/L (1) Uplink U/L (2) Upload u A Microamp UA (1)Packet control frame: Unnumbered Acknowledgement UA (2)User Agent (Internet) UART Universal Asynchronous Receiver/Transmitter (computer) UAV Unmanned Aerial Vehicle (USAF) UDP User Datagram Protocol, type of Internet packet good for streaming UDT (1)Universal Dataflow and Telecommunications UDT (2)Underwater Demolition Team, crack USN WWII unit uf Microfarad UFN Until Further Notice UFO (1)Unidentified Flying Object UFO (2)UHF Follow On, new Navy COMSAT UGR Unitized group ration UHF Ultra High Frequency (300-3000 MHz) UI Packet designator: Unnumbered Information UID User Identification UIDL User Initiated Download UIDL User Initiated Download UIN Universal Internet Number (ICQ) UK United Kingdom UKADGE UK Air Defense Ground Environment UKCC United Kingdom Control Center UKMACCS United Kingdom Maritime Coastal Communications System UKNET UK network for UUCP UKSOF UK Satellite operations facility, part of NATO UL (1)Upload UL (2)Unauthorized launch UL (3)Underwriters' Laboratories ULS Universal Licensing System (FCC) UMT Unit ministry team UN United Nations uncl unclassified UNCLASS Message is not classified [~] UNCLOS United Nations Convention on the Law of the Sea UNF (1) UN Forces UNF (2) Unformatted UNHCR UN High Commission for Refugees UNI User Network Interface Unid Unidentified Uniden Unidentified UNIFIL UN Interim Forces, Lebanon Univac Universal Automatic Computer, once IBM's main competition Unix Not an acronym; computer op-system derived from MULTICS [~] Unk Unknown UNO United Nations Organization UNPROFOR UN Provisional Forces UNSCOM UN Special Commission (Iraq inspectors) UP (1)CW prosign: "change to working frequency" UP (2)unknown precipitation UPS (1)Uninterruptible Power Supply UPS (2)United Parcel Service UR CW brevity code: "Your" Ureq User request (computer return code) URL Universal Resource Locator (World Wide Web) URSI International Union of Radio Science URSIGRAM Coded solar-terrestrial report, originally from URSI US (1)United States US (2 )Unit Separator (ASCII) USA (1)United States of America USA (2)US Army USA (3)Underground Service Alert ("dial before you dig") USA (4)Unit self-assessment USACE US Army Corps of Engineers USAF US Air Force USAFA US Air Force Academy USAFAWC US Air Force Air Warfare Center USAFE US Air Forces, Europe USAMMA US Army Medical Materiel Agency USAR (1)Urban Search & Rescue USAR (2)US Army Reserve USAREUR US Army, Europe USARSPACE US Army Space Command, part of USSPACECOM USART Universal Synchronous/Asynchronous Receiver/Transmitter USASC US Army Signal Command USASCH US Army Support Command Hawaii USASDC U. Army Strategic Defense Command, now USASSDC USASI US Army Space Institute USASSDC US Army Space and Strategic Defense Command, formerly USASDC USAV US Army Vessel USAWC US Army War College USB (1)Upper Sideband USB (2)Universal Serial Bus USC (1)United States Codes (Federal statute law) USC (2)Unified Space Command, now USSPACECOM USC (3)Up S[pit] Creek USCENTCOM US Central Command USCG US Coast Guard USCGA US Coast Guard Auxiliary USCGC US Coast Guard Cutter USCGR US Coast Guard Reserve USCS US Customs Service USCSIS United States Space Command Space Intelligence System USD US Dollars USDA US Department of Agriculture USELMNORAD US element, North American Aerospace Defense Command USENET "User Network," huge volunteer organization that propagates "News," not necessarily over Internet USEUCOM US European Command USFJ US Forces, Japan USFS US Forest Service USFWS US Fish and Wildlife Service USG (1)US Gallons (about 4 liters) USG (2)US Government USGS US Coast & Geodetic Survey USIA US Information Agency USLANTCOM US Atlantic Command USM US Marshal USMA US Military Academy USMC US Marine Corps USMCR US Marine Corps Reserve USMS US Marshals Service USMTF United States Message Text Format USN US Navy USNA US Naval Academy USNG US National Guard USNO US Naval Observatory USNR (1) US Naval Reserve USNR (2) US Navy, Retired USO United Service Organizations USOS Unshift On Space USP University of the South Pacific (Fiji, classes by radio) USPACOM United States Pacific Command USPS (1)United States Postal Service USPS (2)US Power Squadrons USS United States Ship USSOCOM US Special Operations Command USSOUTHCOM U. style themselves as just yahoos YF CW brevity code: "Wife," more typically "XYL" YL Female voice ("Young Lady") YMMV Your Mileage May Vary (cardinal rule of HF) YMODEM Along with YMODEM-G, improved async file transfer protocol [~] Z (1)Zulu time, standard time on 0 meridian, like UT Z (2)Impedance (in ohms) Z (3)This message has FLASH precedence Z-80 8-bit processor chip, still made ZCPR3 Small Z-80 operating system, improved on CP/M, obsolete Police/CB 10-codes: 10-1 Your signals are being received poorly 10-2 Your signals are loud & clear 10-3 Stop transmitting 10-4 Your message is received ("Roger;" saying both is redundant) 10-5 Please relay 10-6 Station is busy 10-7 Out of service, radio off 10-8 In service, available 10-9 Please repeat message 10-10 Out of service, radio on 10-19 Go back to station/HQ 10-20 Location ("What's your 20?
However, in order to get pension during your old age, you need to contribute accordingly.
The more you can contribute the more pensions you would get during old age.
Maritime Satellite Org, a consortium, leases bandwidth on Marecs, Intelsat, Marisat for ship use.