From news.cs.tut.fi!news.funet.fi!sunic!pipex!bnr.co.uk!bnrgate!nott!torn!howland.reston.ans.net!usc!zaphod.mps.ohio-state.edu!caen!destroyer!cs.ubc.ca!unixg.ubc.ca!kakwa.ucs.ualberta.ca!ersys!adec23!usenet Fri May 14 13:20:04 EET DST 1993 Article: 1086 of rec.radio.info Xref: news.cs.tut.fi rec.radio.shortwave:20135 rec.radio.info:1086 Path: news.cs.tut.fi!news.funet.fi!sunic!pipex!bnr.co.uk!bnrgate!nott!torn!howland.reston.ans.net!usc!zaphod.mps.ohio-state.edu!caen!destroyer!cs.ubc.ca!unixg.ubc.ca!kakwa.ucs.ualberta.ca!ersys!adec23!usenet From: lsevim@vnet.IBM.COM (Levent Sevim) Newsgroups: rec.radio.shortwave,rec.radio.info Subject: SWL>SW Abbreviations and Terms Message-ID: Date: Thu, 13 May 1993 12:49:43 MDT Followup-To: rec.radio.shortwave Lines: 354 Approved: rec-radio-info@ve6mgs.ampr.ab.ca = SW ABBREVIATIONS AND TERMS = *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* A *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* ABC : Australian Broadcasting Company (domestic service). AIR : All India Radio (domestic and external services). AC : Alternating current. AF : Audio frequency. AFC : Automatic frequency control. AFRTS : Armed Forces Radio and Television Service. AFSK : Audio frequency shift keying. AGC : Automatic gain control. AM : Amplitude modulation. AMPS : Cellular radio (USA, AT&T). AMSAT : International association dedicated to promoting amateur space communication. AMSAT : American Satellite Corporation. AMTOR : Amateur Teleprinting Over Radio. AN/TRC : Army-Navy/transportable radio communications. ARCO : Airborne radio code operator. ARINC : Aeronautical Radio Inc. ARRL : American Radio Relay League. ARTHUR : Automatic radio communication system for traffic emergency. ARQ : Automatic repeat request used in AMTOR. ARRL : American Radio Relay League. ASCII : American Standart Code for Information Interchange. ASTRO : Artificial satellite time + radio orbit. ATC : Air Traffic Control. ATV : Amateur Television. AVC : Automatic volume control. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* B *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* BALUN : Balanced-to-unbalanced matching transformer. BANDPASS FILTER : a filter that allows only select band of frequencies to pass. BANDWITH : Frequency space occupied by a signal. BAUD : The unit of digital-signal speed. BBC : British Broadcasting Corporation. BBS : Bulletin Board System. BCI : Broadcast radio interference. BFO : Beat-frequency oscillator. BIRE : British Institution of RADIO Engineers. BRT : Belgische Radio et Televisie, Belgium. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* C *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* CATVI : Cable television interference. CB : Citizens Band radio. CBC : Canadian Broadcasting Corporation. CBMS : Computer-based message system. CDLC : Cellular data link control (cellular radio). CMD : An on-screen packet TNC prompt. COAXIAL CABLE : A feedline with one conductor completely surrounding the other. CPU : Central processing unit. CQ : Call to everyone. CRT : Cathode-ray tube. CTCSS : Continuous tone-coded squelch system. CURTS : Common user radio transmission sounder. CW : Continous wave. CW/PD : Continuous wave/pulse Doppler. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* D *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* DARTS : Data radio transmission system D LAYER : Layer of the ionosphere that has little effection shortwave radio propagation.Lowest layer of ionosphere. DB : Decibel (1/10 of a Bel); unit for the ratio of two power measurements. DBd : Decibels above or below a dipole antenna. DBi : Decibels above or below a isoptropic antenna. DC : Direct current. DIGIPEATER : A store-and-forward digital repeater which will receive and transmit a data packet on the same frequency. DIPOLE : Antenna often used as a standart for calculating gain. DORIS : Data over radio in service (AB Electrolux, Stockholm, Sweden DOWNLINK : Channel used for satellite-to-earth communications. DSB : Double side band. DSBSC : Double side band - suppressed carrier. DTMF : Dual-tone multifrequency. DUMMY LOAD : A device that connects to a transreceiver that allows user to test a radio without actually transmitting a signal. DX : Distant and/or rare station. DXer : A person who actively specializes in tuning distant stations. DVOR : Doppler very high frequency omnidirectional radio. DW : Deutche Welle, (ex West) Germany. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* E *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* ECSSB : Exaulted-carrier single sideband. EPRIB : Emergency position indicating radio beacon. ERMES : European radio message system. ERS : Extra-galactic radio sources. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* F *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* F layer : There are two F layers in the ionosphere; the F1 and F2.The lF layer is responsible for reflecting radio waves to earth.Amount of reflectivity depends upon se veral factors including time of day,year, and amount of sunspot activity. FAX : Facsimile; transmitting or receiving a visiual image via wire or radio. FCR : France Cables et Radio. FEBC : Far Eastern Broadcasting Company. FET : Field-effect transistor. FM : Frequency modulation. FSK : Frequency-shift keying. FRF : Fine radio frequency. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* G *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* GMRS : General Mobile Radio Service. GROUND : Common zero-voltage reference point. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* H *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* HAM : Amateur radio, or an amateur radio operator. HARMONICS : Signals from a transmitter ocurring at multiples of the ba sic frequency. HERTZ (Hz) : Basic unit of frequency measurement equal to 1 complete cyc le in one second. HF : High Frequency (3-30 MHz). HCJB : Voice of the Andes. HLR : Home location register (cellular radio). *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* I *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* IARU : International Amateur Radio Union. IARN : International Amateur Radio Network. IC : Integrated circuit. IERE : Institution of Electronic + Radio Engineers. IRAC : Interdependent radio advisory committee. IRC : International Reply Coupon. IRE : Institute of Radio Engineers. IF : Intermediate frequency; resultant frequency from heterodyn ing carrier frequency with oscillator; mixing all incoming signals to one intermediate frequency enhances amplifying, filtering and processing signals.It is frequently desirable to have more than on IF. IONOSPHERE : Layers of charged particles above the earth's atmosphere that are responsible for reflecting radio waves back to earth. ISOTROPIC : Imaginary "Single Point" antenna used calculate gain. ITU : International Telecommunications Union. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* J *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* JFET : Junction field-effect transistor. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* K *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* KHz : Kilohertz (1000 Hz). KW : Kilowatt (1000 W ). *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* L *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* LCD : Liquid crystal display. LED : Light-emitting diode. LORAN : Long Range Aid to Navigation. LSB : Lower sideband. LW : Long wave. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* M *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* MARS : Military affiliated radio system. Ma : Miliampere (1/1000 A). MF : Medium frequency (300-3000 KHz). MHz : Megahertz (1,000,000 Hz or 1000 KHz). MRSG : Mobil Radio Study Group (ECTEL). mV : Millivolt (1/1000 V). mW : Milliwatt (1/1000 W). MW : Medium wave. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* N *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* NHK : Japanese broadcasting authority. NiCd : Nicel cadmium; usually refers to rechargeable battery packs. NOAA : North Atlantic and Atmospheric Administration. NPR : National public radio. NTS : National Traffic System. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* O *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* Ohm : A unit of resistance. OM : Old Man, any male (Amateur Radio term). OSCAR : Orbiting satellite carrying amateur radio. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* P *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* PBBS : Packet Bulletin Board System. PLL : Phase-lock loop; used as one section of a digital fre quency oscillator. PMR : Private mobile radio. Potentiometer : Continuously variable resistor often used for adjusting levels, as in volume control. PROM : Programable read-only memory; integreated circuit. PSPR : Peach State Public Radio (Georgia, USA). PTT : Push to talk; usually switch on the microphone that activi ties the station transmitter. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* Q *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* QAZ : Thunderstorm here. QPSK : Quadrature Phase-Shift keying. QRP : Low power operation. QRA : Exact position of station. QRG : Exact frequency. QRH : Frequency varies. QRI : Tone varies. QRJ : Good reception. QRL : Busy. QRM : Transmitter interferences. QRN : Atmospheric interferences. QRO : Increase power. QRP : Decrease power. QRQ : Increase speed. QRS : Decrease speed. QRT : Tuning. QRU : Nothing left. QRV : Ready. QRW : I will tell. QRX : Wait. QRZ : You are called. QSA : Readability 1 - 5. QSB : Volume varies. QSL : Reception confirmation. QSO : Radio connection. QSO : Radio connection. QSP : Resend to others. QSY : Frequency switch. QSZ : Send every word twice. QTH : Position of station. QTR : Exact time. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* R *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* RADAR : Radio detection and ranging. RAPID : Radio access Personal Computer interactive display (pro.) RAM : Random Access Memory. RAI : Radiotelevisione Italia. RCI : Radio Canada International. RC : Radio control. RCA : Radio Corporation of America. RDF : Radio direction finding. REPEATER : Automatic relay station. RETMA : Radio-Electronics-Television Manufacturers Association. RF : Radio frequency. RFFWS : Radio frequency failure warning system. RFI : Radio frequency Interference. RFI : Radio France International. RFNY : Radio Free New York. RGS : Radio guidance system. RIF : Radio influence voltage. RIM : Radio installation memorandum (military). RMI : Radio magnetic indicator. RNE : Radio Nacional d'Espana. RNI : Radio Netherlands International. RNZ : Radio New Zealand. ROM : Read-only memory. ROGER : I understand. RPE : Radio paging equipment. RSL : Radio Standards Laboratory (USA, NBS, Boulder CO). RTMA : Radio Television Manufacturers Association. RTP : Radio transmit pulse. RTTY : Radio teletypewriter telecommunications. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* S *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* SAREX : Shuttle amateur radio experiment (NASA). Selectivity : Ability of a receiver to reject signals adjacent to tuned signal. Sensitivity : A receivers ability to receive weak signals. SINPO : A numerical rating system (1-5) used by radio listeners. when reporting signal quality to broadcasters.Signal,inter ference,noise,propagation and overall quality. SRI : Swiss Radio International. SSB : Single sideband; efficient form of voice transmission with one sideband and carrier frequency removed before transmis sion. SSBSC : Single side band - suppressed carrier. SSTV : Slow-scan television. STS : Ship-to-shore. SW : Shortwave. SWL : Shortwave listener. SWR : Standing wave radio; figure of merit indicating degree of match for antenna and feedline at some particular frequency. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* T *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* TD2 : Radio, microwave carrier system. TOR : Telex over radio. TRT : Tropical Radio Telegraph Company. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* U *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* UER : Union Europeenne de Radiodiffusion. UHF : Ultra high frequency (300 MHz - 3 GHz). Uplink : Channel used for earth-to-satellite communications. URSI : International Scientific Radio Union Utility Stations : Stations other than broadcast, or amateur stations; these stations are not intended to be heard by the public.They include aircraft communications, radiotelephone, mairine, embassy, and military communications. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* V *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* V : Volt (unit of electrical force). VARR : Visual-aural radio range. VOA : Voice Of America. VOFC : Voice Of Free China, Taiwan. VOX : Voice-operated switch. VFO : Variable frequency oscillator. VHF : Very high frequency (30-300 MHz). VLF : Very low frequency (3-30 KHz). VLR : Visitor location register (cellular radio). VSWR : Voltage standing wave ratio. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* W *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* WEFAX : Weather facsimile, reconstructed satellite pictures and photographs. WILCO : Will comply (used after Roger, radio communications). WWV : National Bureau of Standards radio station (time signals). WWVB : NBS radio station (broadcasts time signals). *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* X *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* XCVR : Transreceiver. XTAL : Cyristal. XYL : Ex-young lady, one's wife (Amateur Radio term). *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* Y *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* YL : Young Lady, any female, especially a single one. *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* 73's : Goodbye, farewell, good luck (Amateur Radio term). 88's : Love and Kisses (Amateur Radio term). *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* +------------------------------------------------------------+ | Levent Sevim ' Vnet-> LEVENTS at ISTVM2 | | IBM Turk Ltd ' Iea-> TRIBM7VM at IBMMAIL | | Finance Department ' Mvs-> LEVENT at ISTMVS | | Buyukdere Cad. Levent ' Internet-> LSEVIM@VNET.IBM.COM | | Istanbul 80613 ' Voice-> 90.1.2800900 Ext1147 | | TURKIYE ' Fax-> 90.1.2780437 | +------------------------------------------------------------+