GENERAL ACRONYMS FOR EMS COMMUNICATIONS BPS—bits per second. BSC—binary synchronous communications A C AA—above average terrain C—Celsius AC—alternating current CAD—computer –aided Dispatch ACD—automatic call distributor CB—citizens band ACLS—advanced cardiac life support CCH—computerized criminal history ACSB—amplitude compandored single- CCITT—International Telegraph And sideband Telephone Consultative Committee ADP—automatic data processing CCSA—common control switching AGL—above ground level arrangement ALS—advanced life support CCTV—closed circuit television ALERT—automatic law enforcement CCU—Coronary Care Unit or Critical Care response team Unit ALI—automatic location identification CDC—Cooperative Dispatch Center AM—amplitude modulation CG—Channel Guard(R) Trademark of AMSL—above mean sea level General Electric ANI—automatic number identification CMED—Central Medical Emergency APB—all points bulletin Dispatch APCO—Associated Public-Safety CMR—Common Mode Rejection Communications Officers CMRR—Common Mode Rejection Radio ASCII—American Standard Code for CNIL—Calling Number Identification and Information Interchange Location ASTM—American Society for Testing and CO—Central Office Materials. COG—Council of Governments ASTRA—Automated Statewide COR—Coronary Observation Radio Telecommunications And Records Access CPR—cardiopulmonary resuscitation ATLS—Advanced Trauma Life Support CJIS—Criminal Justice Information System AT&T—American Telephone and CTCSS—Continuous Tone Controlled Telegraph Company Squelch System AVC—automatic volume control AVI—automatic vehicle identifications D dB—decibel B dBm—decibel reference to 1 mW. balun—balanced-to-unbalanced line dBu—decibel referenced to 1 mV/m transformer dBv—decibel referenced to 1 V BCD—binary coded decimal dBW—decibel referenced to 1 W BFO—beat frequency oscillator DC—direct current BIT—binary digit DCS—Division of Computer Services BLS—basic life support DDD—direct distance dialing DID—direct inward dialing dod—direct outward dialing DOD —US Department of Defense DOT—US Department of Transportation FCC—US Federal Communications DRG—diagnosis related grouping Commission DP—double pole FCCA—Forestry Conservation DPDT—double pole double throw Communications Association DTMF—dual-tone multi-frequency FEMA—Federal Emergency Management DPST—double pole single throw Agency FET—field-effect transistor E FM—frequency modulation EACOM—emergency and administrative Freq.—frequency communications system FORTRAN —formula translation EAS—extended area service (computer language) E & M-–the receive and transmit leads of a FSK—frequency-shift keying signaling system FX—foreign exchange EAX—electronic automatic exchange ECC—emergency communications center G EDP—electronic data processing GE—General Electric EIA—Electronic Industries Association GESS—General Electric Service Station EMD—emergency medical dispatcher GFW—ground fault warning EMF—electromotive force GHZ—gigahertz (1000 MHz) EKG—electrocardiogram GIGO—garbage in, garbage out EMDPRS—emergency medical dispatch GMT—Greenwich Mean Time (Zulu) priority reference system GSA—General Services Administration EMS—emergency medical service GT&E—General Telephone and EMSS—emergency medical service system Electronics EMT—emergency medical technician EMT-B—emergency medical technician- H basic HEAT—hospital emergency administrative EMT-D—emergency medical technician- radio defibrillator HF—high frequency EMT-I—emergency medical technician- HYSIS—highway safety information intermediate system EMT-P—emergency medical technician- HV—high voltage paramedic Hz—hertz EOC—emergency operations center EOM—end of message I ERCC—emergency resource coordination I—current in amperes center IAFC—International Association of Fire ERP—effective radiated power Chiefs ESS—electronic switching system IACP—International Association of Chiefs EST—Eastern Standard Time of Police ETA—Estimated Time of Arrival IC—integrated circuit ETV—Educational Television ICO—individual channel oscillator ICOM—integrated circuit oscillator module F ICU—intensive care unit F—Fahrenheit ICX—intercity exchange link IEEE—Institute of Electrical and Electronic Engineers M IF—intermediate frequency MAST—Military Assistance to Safety and IMSA—International Municipal Signal Traffic Association MCCU—mobile coronary care unit IMTS—improved mobile telephone service MF—medium frequency IRAC—Interdepartmental Radio Advisory MHz—Megahertz Committee MICT—Mobile Intensive Care Technician ISPERN—Illinois State Police Emergency MICU —Mobile Intensive Care Unit Radio Network MRCC—Medical Resource Coordination IT&T—International Telephone and Center Telegraph Corporation ITU—International Telecommunication N Union NABER—National Association of Business and E Radio, Inc. J NCIC—National Crime Information Center JAN—Joint Army-Navy Specifications NCMCN —North Carolina Medical JETEC—Joint Electron Tube Engineering Communications Network Council NEAR—national emergency aid radio JFET—junction field-effect transistor NHTSA—National Highway Traffic Safety UPS—uninterruptible power supply Administration USIT—US Independent Telephone NLETS—national law enforcement Association telecommunications system USFS—US Forest Service NPA—Number Plan Area Journal of Emergency Medical Services O K O-D—origin-destination UPS—uninterruptible power supply ONI—operator number identification USIT—US Independent Telephone OTP—Office of Telecommunications Association Policy USFS—US Forest Service kbps—kilobits per second P kHz—kilohertz (1000hertz) UPS—uninterruptible power supply USIT—US Independent Telephone L Association LATA—local access transport area USFS—US Forest Service LMR—land mobile radio LEAA—Law Enforcement Assistance PABX—Private Automatic Branch Administration Exchange LETS—Law Enforcement Teletypewriter PBX—Private Branch Exchange Service PL—Private Line(r) Trademark of Motorola LORAN—long range navigation PM—Pulse Modulation LSI—large scale integration PSAP—public safety answering point LOS—line of sight PSCC—Public Safety Communications LRO—lead regional organization Council LSU—life support unit PTT—Press to Transmit or Push to Talk VSWR—voltage standing wave ratio Q VTVM—vacuum tube voltmeter QEI—quantifiable evaluation indicator VU—Volume Unit R W RCU—remote control unit WATS—Wide Area Telephone Service RF—radio frequency WECO—Western Electric Company Rx—receive WPM—words per minute S X SERS-Special Emergency Radio Service Xcvr.—transceiver SIRSA—Special Industrial Radio Service Xfmr.—transformer Association Xmit.—transmit SMR—Specialized Mobile Radio Xmtr—transmitter SMSA—standard metropolitan statistical Xtal—crystal area SPA—State Planning Agency Z SWR—Standing Wave Radio Z—impedance ZULU —time zone at Greenwich, England T TASI—time assignment speech interpolation TCAM—telecommunications access method TLOF – Touchdown Liftoff Area Telco—telephone company TPL—terminal per line TPS—terminal per station Tx—transmit U UHF—ultra high frequency UL—Underwriters Laboratories, Inc. UPS—uninterruptible power supply USIT—US Independent Telephone Association USFS—US Forest Service V V—volts VAC—volts, alternating current VDC—volts, direct current VHF—very high frequency VOM—volt-ohm meter VOR—voice operated relay VOX—voice operated switch FCC CODES AND NAMES OF RADIO SERVICES industrial: IB—business Classes of Radio Stations (FCC): IF—forest products FB—base IM—motion picture FB2—mobile relay IP—petroleum FB4—community repeater IS—special industrial FX1—control IT—telephone maintenance MO—mobile IW—power MO3—mobile/vehicular repeater IX—manufacturers FXO—operational fixed IY—relay press FX2—fixed relay FX—fixed FLT—auxiliary test Motor Carrier: FXY—interzone LI—interurban passenger FXZ—zone LJ—interurban property LR—radio location LU—interurban passenger MR—radio location mobile LV—urban property 806-821/851-866 MHz Bands: Land Transportation: Conventional Category Trunked LA—automobile emergency GB business YB LR—railroad GO industrial/land transportation YO LX—taxicab GP public safety/special emergency YP GX commercial (SMRS) YX Public Safety: 292-930 MHz Band: PF—fire GS—private carrier paging systems PH—highway maintenance PL—local government PP—police PO—forestry conservation PS—special emergency RS—radio location ZA—general mobile GLOSSARY analog—Physical representation of information such that the representation A bears an exact relationship to the original information. Pertaining to data in the form acoustic feedback—The transfer of sound of continuously variable physical qualities waves from a loud speaker or end terminal to any previous component within an audio analog communication—System of system. telecommunications used to transmit information other than voice which activity—The expenditure of time and is sometimes used in telemetry. resources. antenna—A system of wires or electrical adapter—A device used for changing the conductors employed for reception or terminal connections of a circuit or part to transmission of radio waves. Specifically, a connect to another circuit or part with unlike radiator that couples the transmission line or connections. lead-in to space for transmission or receptions of electromagnetic radio waves. It alphabet, phonetic—A method of passing changes electrical currents into alphabetic information substitution over a electromagnetic radio waves and vice versa. poor communication path with word substitution for letters. One phonetic antenna, isotropic—A theoretical antenna alphabet is: Alfa, Bravo, Charlie, Delta, with identical radiation in every direction. Echo,