

 STAR TREK : THE MOTION PITURE              EA JAN80 P8 
 CHOOSING A CASSETTE DECK                   EA JAN80 P14 
 DR TAKESHI TAKEI:PIONEER IN FERRITE TECHN  EA JAN80 P30 
 JVC KD-A8 MICRO - CONTROLLED CASSETTE DECK EA JAN80 P36 
 TEAS A-430 STEREO CASSETTE DECK            EA JAN80 P39 
 DELAY SYSTEM FOR CAR COURTESY LIGHTS       EA JAN80 P42 
 EXPOSURE METER FOR ELECTRONIC FLASH        EA JAN80 P46 
 PLAYMATE 3W + 3W STERO AMPLIFIER           EA JAN80 P52 
 BUILD OUR REACTION TIMER                   EA JAN80 P68 
 PRACTICAL ELECTRONICS:PASSIVE COMPONENTS   EA JAN80 P72 
 INTERFACING 2650 COMPUTER TO AN S-100 BUS  EA JAN80 P78 
 YAESU F625RD ALL MODE 6 METRE TRANSCEIVER  EA JAN80 P103 
 CAR COMPUTERS:New electronic know-it-alls  EA FEB80 P10 
 ELECTRONICS & THE CAR OF THE 80s           EA FEB80 P14 
 VOICE CHESS CHALLENGER                     EA FEB80 P18 
 THE HALL EFFECT : What it is how it works  EA FEB80 P24 
 MICROPHONES,MUSIC,REVERB & ALL THAT        EA FEB80 P30 
 REVOLUTIONARY NEW COBALT TAPE              EA FEB80 P33 
 PHILIPS GP-412 II PICKUP CARTRIDGE         EA FEB80 P37 
 CASSETTE CONVERTER FOR YOUR CAR RADIO      EA FEB80 P38 
 TRANSFORMERS AND SOLID STATE AMPLIFIERS    EA FEB80 P40 
 BUILD A SUPER-BASS FILTER                  EA FEB80 P42 
 A MODULATED SIGNAL INJECTOR                EA FEB80 P46 
 PLAYMASTER STERO GRAPHIC ANALYSER          EA FEB80 P50 
 AN UNUSUAL AUDIO AMPLIFIER (Pulse with)    EA FEB80 P70 
 INDUCTIVE IGNITION CABLE ( INTERFERENCE )  EA FEB80 P72 
 BROADBAND RF POWER AMPLIFIERS (Philips)    EA FEB80 P74 
 IMPROVING THE 2650 MINI LINE ASSEMBLER     EA FEB80 P76 
 D/A CONVERTERS:What you need to know       EA FEB80 P79 
 TRACE ROUTINE HELPS DEBUG 2650 PROGRAMS    EA FEB80 P84 
 TWO MICRO BASIC PROGRAMS FOR 2650 SYSTEMS                                (TEMP.CONVERSION,RADIO LOG)       EA FEB80 P87 
 KENWOOD R-1000 COMMUNICATIONS RECEIVER     EA FEB80 P108 
 BASSEMENT FLYWHEEL(STORES SOLAR ENERGY)    EA MAR80 P10 
 MAGNETIC BUBBLE MEMORY DEVICES             EA MAR80 P14 
 THE CENTENARY OF THE ELECTRIC LIGHT        EA MAR80 P22 
 SECOND THOUGHTS ON ALIEN INTELLIGENCE      EA MAR80 P42 
 INDEX TO VOLUME 41 APRIL 1979 - MARCH 1980 EA MAR80 P104 
 3DA What the TERM signifies DISPLAYING                     AMPLIFIER PARAMETERS                            EA MAR80 P26 
 MEASURING HEAD WEAR IN CASSETTE DECKS      EA MAR80 P28 
 PHILIPS AH587 MOTIONAL FEEDBACK LOUDSPEAKER                                 SYSTEM                         EA MAR80 P35 
 HIFI AUTO SWITCH Turns your system off     EA MAR80 P44 
 DIGITAL CAPACITANCE METER                  EA MAR80 P50 
 BUILD AN RF PREAMP FROM A KIT (HF VHF UHF) EA MAR80 P57 
 Lets talk about CRYSTAL SETS               EA MAR80 P68 
 A simple LIE DETECTOR                      EA MAR80 P72 
 MOTOROLA 6802D3 EVALUATION KIT             EA MAR80 P86 

 The COMPUCOLOR II PERSONAL COMPUTER        EA MAR80 P74 
 A/D CONVERTERS :What you need to know      EA MAR80 P91 
 FURTHER THOUGHTS ON CURRENT FLOW :Forum    EA MAR80 P38 
 TELETEXT : The electronic newspaper        EA APR80 P10 
 VLSI :WHAT DOES THE FUTURE HOLD ?          EA APR80 P14 
 ENERGY CONSERVATION & THE ELECTRIC MOTOR   EA APR80 P20 
 THE LAS VEGAS C.E.S.                       EA APR80 P26 
 DC COUPLING : Audio talk                   EA APR80 P34 
 NAKAMICHI HIGH-COM II & CASSETTE DECK      EA APR80 P36 
 THE ALL WAVE THREE :A simple RECEIVER      EA APR80 P40 
 4 DIGIT LCD CLOCK & CONTROL TIMER          EA APR80 P48 
 A MULTI PURPOSE VOLTAGE REGULATOR                                (Adjustable between 1.25 and 37 volt)     EA APR80 P54 
 AUDIO PRESCALER for FREQUENCY METERS       EA APR80 P56 
 Lets talk about CRYSTAL SETS Pt.2          EA APR80 P56 
 RELAXATION OSCILLATORS :What they are                                                   how they work      EA APR80 P71 
 PROGRAMS FOR THE DREAM 6800 Alarm clock                          Reaction timer,Secret number              EA APR80 P75 
 HEWLETT-PACARD HP-85 COMPUTER              EA APR80 P87 
 EXECUTE PROGRAM FOR THE 2650 MINICOMPUTER  EA APR80 P96 
 THE VLP VIDEO DISC PLAYER                  EA MAY80 P8 
 MUSIC SYNTHESISERS                         EA MAY80 P12 
 ELECTRONIC ORGANS THAT YOU BUILD YOURSELF  EA MAY80 P8 
 ALL ABOUT STAGE AMPLIFIERS                 EA MAY80 P24 
 TECNICS UNVEILS ITS RANGE FOR THE 80s      EA MAY80 P32 
 SUPPLY SOURCES FOR THE PLAYMASTER 3-13L                               SPEAKER SYSTEM                       EA MAY80 P33 
 PLAYMASTER 300W AUDIO AMPLIFIER PT.1       EA MAY80 P39 
 USE YOUR TV AS A LARGE SCREEN CRO          EA MAY80 P42 
 ZERO-VOLTAGE SWITCHING HEAT CONTROLLER     EA MAY80 P50 
 AN IN-CIRCUIT COMPONENT TESTER             EA MAY80 P60 
 COURTESY LIGHT DELAY SYSTEM FOR CARS                                 Three more versions                   EA MAY80 P65 
 BUZZ BAR : Basic electronics               EA MAY80 P72 
 HEADLIGHT REMINDER ALARM:Basic electronics EA MAY80 P74 
 THE FIFTH WEST COST COMPUTER FAIR          EA MAY80 P105 
 DECODE MORSE WITH YOUR MICROCOMPUTER       EA MAY80 P115 
 TRENDCOM 200 HIGH-SPEED THERMAL PRINTER    EA MAY80 P120 
 HANDYBANK - THE AUTOMATIC TELLER           EA JUN80 P10 
 ELECTRONIC LANGUAGE TRANSLATORS            EA JUN80 P12 
 HEARING DAMAGE TO AIRCREW                  EA JUN80 P14 
 REFINING IC MANUFACTURE                    EA JUN80 P18 
 CLASS-A HIFI AMPLIFIERS :Here we go again  EA JUN80 P30 
 MARANTZ PM700 AMPLIFIERS : HIFI REVIEW     EA JUN80 P36 
 TECHNICS SX-7700G ELECTRONIC ORGAN         EA JU80 P38 
 CRYSTAL-LOCKED TV PATTERN GENERATOR        EA JUN80 P42 
 PLAYMASTER 300W AMPLIFIER PT.2             EA JUN80 P54 
 LOW COST R & C SUBSTITUTION BOXES          EA JUN80 P66 
 SIMPLE ELECTRONIC DIE: BASIC ELECTRONICS   EA JUN80 P74 
 HEE-HAW SIREN FOR TOYS: BASIC ELECTRONICS  EA JUN80 P77 
 COMMODORE CBM COMPUTER SYSTEM              EA JUN80 P112 
 PPM TAPE INTERFACE FOR SMALL COMPUTERS     EA JUN80 P116 
 WHY ARE THE POWER MAINS EARTHED : FORUM    EA JUN80 P26 
 SHUTTLE SETBACKS                           EA JUL80 P10 
 SIROTEM :An award wining PROSPECTING ins   EA JUL80 P18 
 COMPUTER CONTROLLED BUS SERVICE            EA JUL80 P24 
 ANTENNAS:Care and feeding of TV/FM ant     EA JUL80 P74 
 WHAT'S INSIDE A HANDHELD HAIRDRYER ?       EA JUL80 P83 
 TECHNICS RESPONDS TO LOUDSPEAKER PROBLEMS  EA JUL80 P32 
 NEW PRODUCTS FROM M.R.ACOUSTICS            EA JUL80 P37 
 TECHNICS SL-10 TURNTABLE: HIFI REVIEW      EA JUL80 P38 
 MUSICAL TONE GENERATOR: Crystal-locked std EA JUL80 P42 
 PLAYMASTER 300W AMPLIFIER PT.3             EA JUL80 P42 
 INFRASONIC RUMBLE FILTER                   EA JUL80 P58 
 EPROM PROGRAMMER : For use with micos      EA JUL80 P62 
 SIGMA DATA : THE ELECTRONIC OFFICE         EA JUL80 P112 
 DATA 80 : EXHIBITION AND SEMINARS          EA JUL80 P121 
 ROYAL NAVY SOCIETY,AMSAT LAUNCH FAILURE    EA JUL80 P87 
 SHORTWAVE SCENE:RECEPTION FROM BHUTAN      EA JUL80 P92 
 FIRES IN TV RECEIVERS -WHAT ABOUT                            LIGTHNING STRIKES (THE SERVICEMAN)            EA JUL80 P76 
 THE THREE MILE ISLAND ACCIDENT             EA AUG80 P10 
 AN ENERGY-INDEPENDENT HOUSE                EA AUG80 P18 
 THE INVENTION OF THE PHOTOPHONE            EA AUG80 P24 
 CARTOON COMPETION                          EA AUG80 P33 
 FCC SELECTS MAGNAVOX AM-STERO SYSTEM       EA AUG80 P34 
 NAKAMICHI 482 3-HEAD CASSETTE DECK HIFI    EA AUG80 P40 
 ALLEN WRIGHT WIDEBAND AM TUNER:HIFI REVIEW EA AUG80 P44 
 HOW A TAPE RECORDER WORKS:A look at basics EA AUG80 P48 
 A LIGHT CHASER FOR 240V AC LAMPS           EA AUG80 P52 
 POWER SAVER FOR INDUCTION MOTORS           EA AUG80 P64 
 EPROM PROGRAMMER FOR EXIDY SORCERER        EA AUG80 P70 
 THE INCREDIBLE EA MINI-ORGAN               EA AUG80 P78 
 NOVEL LEDS AND LADDERS GAME                EA AUG80 P82 
 THE FUTURE OF MICROPROCESSORS              EA AUG80 P119 
 NEW PROGRAM FROM RADIO NEW ZEALAND         EA AUG80 P102 
 FORUM:SINGLE WIRE POWER TRANSMISSION       EA AUG80 P30 
 HYDROGEN:FUEL FOR THE FUTURE               EA SEP80 P10 
 THE PIONEERS OF TELEVISION                 EA SEP80 P12 
 WHO ARE THE COMPUTER CRIMINALS             EA SEP80 P17 
 VENTED LOUDSPEAKER ENCLOSURES              EA SEP80 P24 
 THE CHICAGO CONSUMER ELECTRONICS SHOW      EA SEP80 P33 
 AUDIOSOUND AM101 WIDEBAND AM TUNER HIFI    EA SEP80 P40 
 MARANTZ SD800 COMPUDECK CASSETTE DECK      EA SEP80 P43 
 TWIN TREMOLO FOR ORGANS                    EA SEP80 P46 
 A LISSAJOUS PATTERN GENERATOR              EA SEP80 P52 
 BFO FOR SHORTWAVE RECEIVERS                EA SEP80 P57 
 AN ACOUSTICALLY-COUPLED MODEM              EA SEP80 P62 
 SVT-100 SERIAL VIDEO TERMINAL              EA SEP80 P78 
 THE TRS-80 POCKET COMPUTER                 EA SEP80 P117 
 TEXAS INSTRUMENTS TI-99/4 COMPUTER         EA SEP80 P118 
 HP SYSTEM 45C COMPUTER                     EA SEP80 P121 
 AWR CELEBRATES 30 YEARS OF OPERATION       EA SEP80 P98 
 THE KEY TO BETTER BASS : FORUM             EA SEP80 P30 
 A DO-IT-YOURSELF ATOMIC BOMB ?             EA OCT80 P13 
 LIGHTNING : ITS EFFECT ON AIRCRAFT         EA OCT80 P18 
 SOLAR POWER & SPACE SATELLITES             EA OCT80 P22 
 DICK SMITH A-1650 GRAPHIC EQUALLISER       EA OCT80 P31 
 A LOOK AT THE DOLBY HX SYSTEM              EA OCT80 P32 
 NAKAMICHI 1000ZXL CASSETTE DECK HIFI       EA OCT80 P34 
 CELESTION P1 500 WATT LOUDSPEAKER          EA OCT80 P38 
 TACHO/DWELL METER FOR ENGINE TUNE-UPS      EA OCT80 P40 
 BRIGHT/DIM SWITCH FOR 240V LIGHTS          EA OCT80 P53 
 A DIGITAL STYLUS TIMER                     EA OCT80 P54 
 SVT-100 SERIAL VIDEO TERMINAL PT.2         EA OCT80 P62 
 A 4-DIGIT LED STOP CLOCK                   EA OCT80 P75 
 CAR BATTERY VOLTAGE MONITOR                EA OCT80 P76 
 EME-30C VIDEO DATA TERMINAL                EA OCT80 P114 
 SYSTEM 80 & TRS-80 KEYBOARD DIFFERENCES    EA OCT80 P117 
 A VOICE FOR THE SORCERER                   EA OCT80 P119 
 ICOM IC-2A HAND-HELD 2-METRE TRANSMITTER   EA OCT80 P96 
 OTC UPDATES CARNARVON                      EA NOV80 P12 
 VIDEO DISCS:The three way race             EA NOV80 P14 
 FIFTY YEARS OF TALKING PICTURES            EA NOV80 P18 
 TECHNICS SU-V4 "NEW CLASS A" AMPLIFIER     EA NOV80 P29 
 LOUDSPEAKERS:WHAT HAPPENS TO THE WATTS?    EA NOV80 P32 
 EA/CONVOY INTERNATIONAL CARTOON CONTEST    EA NOV80 P38 
 BIPOLAR MODEL TRAIN CONTROLLER             EA NOV80 P40 
 A SUPERHET SHORTWAVE RECEIVER              EA NOV80 P44 
 DIGITAL STORAGE CRO ADAPTER                EA NOV80 P54 
 A COLUMN SPEAKER FOR SUPER BASS            EA NOV80 P64 
 EASY-TO-BUILD LIGHT BEAM RELAY             EA NOV80 P76 
 RS-232C PRINTER INTERFACE FOR THE TRS-80   EA NOV80 P79 
 TRS-80 and SYSTEM-80 CASSETTE INTERFACES   EA NOV80 P114 
 THE TEXAS TI-58/59 CALCULATORS             EA NOV80 P116 
 COLOUR GRAPHICS BOARD FROM RAYDATA         EA NOV80 P119 
 RADIO AND AVIATION IN THE OUTBACK          EA NOV80 P89 
 COLLISION AVOIDANCE IN OUTER SPACE         EA JAN81 P12 
 SUITING UP FOR THE SPACE SHUTTLE           EA JAN81 P18 
 ELECTRONIC AIDS FOR THE BLIND              EA JAN81 P22 
 ANALOG OR DIGITAL - PICK THE DIFFERENCE    EA JAN81 P30 
 MARANTZ PM-4 CLASS-A/CLASS-B STERO AMP     EA JAN81 P36 
 GLANZ MFG MAGNETIC PICK-UP CARTRIDGES      EA JAN81 P40 
 PLAYMASTER MOSFET STERO AMPLIFIER PT.2     EA JAN81 P42 
 BUILD THE AUTODIM LIGHT DIMMER             EA JAN81 P52 
 JBL 300 WATT LOUDSPEAKER SYSTEM            EA JAN81 P60 
 CYCLON VOICE SIMULATOR                     EA JAN81 P74 
 DIGITAL STORAGE CRO ADAPTER:addenda        EA JAN81 P77 
 USING THE DREAM 6800 FOR RTTY DISPLAY      EA JAN81 P78 
 ADVANTAGES AND LIMITATIONS OF BASIC        EA JAN81 P113 
 IMPROVED SYSTEM-80 FROM DSE                EA JAN81 P114 
 THE COMING ERA IN HOME VIDEO - 1           EA FEB81 P8 
 THE COMING ERA IN HOME VIDEO - 2           EA FEB81 P14 
 GLASS BOTTLES WITH LIGHTS IN THEM          EA FEB81 P20 
 SONY PS-X75 AUTOMATIC TURNTABLE            EA FEB81 P37 
 BUILD AN OSCILLOSCOPE SWITCH,DUAL TRACE    EA FEB81 P40 
 FULLY PROTECTED 6 AMP BATTERY CHARGER      EA FEB81 P48 
 PLAYMASTER MOSFET STERO AMPLIFIER,Wiring   EA FEB81 P54 
 SIMPLE FUZZ BOX FOR ELECTRIC GUITARS       EA FEB81 P64 
 MINISPOT 455KHZ SIGNAL GENERATOR           EA FEB81 P76 
 RS-232C PRINTER INTERFACE FOR SYSTEM-80    EA FEB81 P82 
 TANDY'S TRS-80 POCKET COMPUTER REVIEW      EA FEB81 P88 
 CURVE PLOTTING WITH YOUR SORCERER          EA FEB81 P92 
 DREAM 6800 EXPANSION KITS                  EA FEB81 P122 
 MICROSOFT EDITOR/ASSEMBLER REVIEW          EA FEB81 P136 
 NON-APPROVED TRANSCEIVERS AND TELEPHONES   EA FEB81 P26 
 WHAT PRICE THE BREEDER REACTOR ?           EA MAR81 P12 
 PROGRESS WITH SHF TELEVISION               EA MAR81 P20 
 OVER-AND-UNDER MONORAIL SYSTEM             EA MAR81 P22 
 NOISE REDUCTION SYSTEMS BATTLE IT OUT      EA MAR81 P29 
 MARANTZ ST-8 FM/AM TUNER (HIFI REVIEW)     EA MAR81 P36 
 ON-SCREEN GRAPHIC ANALYSER                 EA MAR81 P42 
 GUITAR AMPLIFIER FOR PRATICE SESSIONS      EA MAR81 P56 
 LE GONG! DOOR CHIME USING ONE IC           EA MAR81 P72 
 ANALOG/DIGITAL STORAGE CRO ADAPTER         EA MAR81 P74 
 HIRES-80 GRAPHICS FOR THE TANDY TRS-80     EA MAR81 P114 
 80-GRAFIX MORE GRAPHICS FOR THE TRS-80     EA MAR81 P120 
 COLUMN 80 MACHINE LANGUAGE AND HEX CODE    EA MAR81 P122 
 HERE COME THE ROBOTS                       EA APR81 P10 
 THE BIRTH OF ELECTRONIC GAMES              EA APR81 P18 
 EA/R.H.CUNNINGHAM HEADPHONE CONTEST        EA APR81 P32 
 PHONO CARTRIDGES AND STYLI                 EA APR81 P28 
 VIDEO BREAKTHROUGH BY TECHNICOLOUR         EA APR81 P33 
 A SECOND LOOK AT THE MARANTZ ST-8 TUNER    EA APR81 P36 
 INFARED LIGHT-BEAM RELAY                   EA APR81 P40 
 BUILD A HEART RATE MONITOR                 EA APR81 P52 
 SIMPLE TOUCH-SENSITIVE ALARM               EA APR81 P66 
 HIGH IMPEDANCE DC VOLTMETER                EA APR81 P70 
 BIDIRECTIONAL SERIAL INTERFACE FOR                                TRS-80 AND SYSTEM-80 COMPUTERS          EA APR81 P82 
 COLUM-80 ASSEMBLY LANGUAGE AND ASSEMBLERS  EA APR81 P119 
 COSMAC VIP COMPUTER REVIEW                 EA APR81 P120 
 ELECTRIC VECHICLES MUST COME               EA MAY81 P12 
 INFO BANKS & THE HOME COMPUTER             EA MAY81 P18 
 PROBING THE STRUCTURE OF MATTER            EA MAY81 P24 
 LAS VEGAS CONSUMER ELECTRONICS SHOW        EA MAY81 P36 
 EA/MARANTZ CROSSWORD CONTEST               EA MAY81 P43 
 MARANTZ SD5010 CASSETTE DECK               EA MAY81 P46 
 TWO-CHANNEL INFRARED REMOTE CONTROL                                Mute tv commercials                    EA MAY81 P50 
 BUILD A SOUND LEVEL METER                  EA MAY81 P62 
 THE INCREDIBLE PC BIRDIES                  EA MAY81 P68 
 SPEED SENTRY FOR YOUR CAR                  EA MAY81 P80 
 DREAM 6800 TAPE MOTOR CONTROLLER           EA MAY81 P86 
 POWER SUPPLY FOR MICROPROCESSORS           EA MAY81 P98 
 THE PHILOSOPHY OF PROGRAMMING              EA MAY81 P94 
 COLUMN 80 FLOPPY DISCS & DRIVES Q ANSW     EA MAY81 P132 
 NEGATIVE ION GENERATORS CLAIMS,DOUBTS      EA MAY81 P30 
 ELECTRONIC THERMOMETER WITH DIGITAL                              DISPLAY (CCT & DES IDEAS)                EA MAY81 P77 
 NEW DEVELOPMENTS IN JAMMING                EA JUN81 P12 
 GIANT SCREEN TV FOR FOOTBALL FANS          EA JUNE81 P20 
 ELECTRONIC AIDS FOR THE DISABLED           EA JUN81 P22 
 WATER-POWERED MICROPHONES :EARLY DESIGNS   EA JUN81 P98 
 NATIONAL'S BIG PUSH INTO VIDEO             EA JUN81 P32 
 SENNHEISER 2002 ELECTRET HEADPHONES        EA JUN81 P40 
 HARMAN KARDON HK570I STERO RECEIVER        EA JUN81 P42 
 A LOW DISTORTION AUDIO OSCILLATOR          EA JUN81 P48 
 OPTO-ELECTRONIC IGNITION SYSTEM            EA JUN81 P56 
 PEERLESS PAS100 3-WAY LOUDSPEAKER          EA JUN81 P62 
 UTILITY AMPLIFIER & POWER SUPPLY           EA JUN81 P70 
 MORE PROGRAMS FOR THE DREAM 6800                            SPACE INVADERS,LOTTO NUMBERS                  EA JUN81 P87 
 PETER POLLARD & THE TRS-80 COMPUTER                               Conquering dyslexia                     EA JUN81 P126 
 COLUMN 80 MORE QUESTIONS AND ANSWERS ON                             FLOPPY DISKS                          EA JUN81 P128 
 THE FATE OF THE UNIVERSE                   EA JUL81 P12 
 SEMICONDUCTORS - JAPAN MOVES AHEAD         EA JUL81 P20 
 BAR CODE READERS HAVE MANY USES            EA JUL81 P25 
 VIDEO TAPE HEADS : DO THEY GET DIRTY       EA JUL81 P32 
 NAKAMICHI 700ZXL CASSETTE DECK             EA JUL81 P38 
 A PREAMPLIFIER FOR MOVING COIL CARTRIDGES  EA JUL81 P44 
 THE ELECTROCHUNE KEYLESS ORGAN             EA JUL81 P52 
 PEERLESS PAS60 & PAS25 LOUDSPEAKERS        EA JUL81 P64 
 POOLS/LOTTO SELECTOR                       EA JUL81 P72 
 AN ELECTRONIC STEAM WHISTLE                EA JUL81 P82 
 LOW COST PRINTER FROM DICK SMITH           EA JUL81 P90 
 MICROACE Z80 BASED KIT COMPUTOR            EA JUL81 P102 
 TANDY'S TRS-80 MODEL III COMPUTER          EA JUL81 P124 
 HIFI DYNAMIC RANGE - SACRED COW,OR BULL    EA JUL81 P26 
 RANDOM NUMBER GENERATOR FOR USE WITH MICRO EA JUL81 P80 
 COMPUTERS : JAPAN TACKELS IBM              EA AUG81 P14 

 SATELLITE TELEVISION FOR THE OUTBACK       EA AUG81 P12 
 THE GREEK GODS LIVE AGAIN                  EA AUG81 P18 
 NEW TRANSMISSION TECHNIQUE FOR AMATEURS                           SPREAD SPECTRUM MODULATION              EA AUG81 P20 
 VCRs THEIR BACKGROUND AND THEIR WORKS      EA AUG81 P30 
 AKG MAGNETIC PHONO CARTRIDGES              EA AUG81 P38 
 VENTED SPEAKER SYSTEMS : PRINCIPLES OP     EA AUG81 P88 
 BUILD THE MUSICOLOUR IV 4 CHANNEL COLOUR                         ORGAN/LIGHT CHASER                       EA AUG81 P42 
 PAVLOV'S BAGATELLE :BEAT THE TIMER         EA AUG81 P54 
 A CASE FOR THE ELECTROCHUNE                EA AUG81 P64 
 CRYSTAL-CONTROLLED CLOCK MECHANISM         EA AUG81 P66 
 SUPER-80 DO-IT-YOURSELF COMPUTER           EA AUG81 P70 
 PARALLEL PORTS & CENTRONICS PRINTERS       EA AUG81 P119 
 A/D CONVERTER FOR THE COMMODORE            EA AUG81 P122 
 MANAGING THE FREQUENCY SPECTRUM            EA AUG81 P9 
 THE TANTALISING QUEST FOR GRAVITY WAVES    EA SEP81 P12 
 BRITAIN LOOKS TO ROBOT TECHNOLOGY          EA SEP81 P20 
 SANYO'S ELECTRONIC COLOUR BLACKBOARD       EA SEP81 P24 
 PEPPER STUDIOS:MODERN FACILITIES PERIOD ST EA SEP81 P32 
 ORTOFON MOVING MAGNET & MOVING COIL                                 PHONO CARTRIDGES                      EA SEP81 P38 
 VENTED SPEAKER SYSTEMS PT.2                EA SEP81 P90 
 DIGITAL CLOCK AND THERMOMETER              EA SEP81 P42 
 PHOTON TORPEDO GAME                        EA SEP81 P50 
 4-DIGIT UNIVERSAL TIMER/STOPWATCH          EA SEP81 P60 
 SUPER-80 DO-IT-YOURSELF COMPUTER CONST     EA SEP81 P70 
 SERIAL COMMUNICATIONS AND RS-232C PORTS    EA SEP81 P120 
 CENTRONICS PRINTER INTERFACE FOR TRS-80    EA SEP81 P124 
 FORTH FOR THE SORCERER                     EA SEP81 P130 
 MICROWAVES : A HEALTH HAZARD ?             EA OCT81 P12 
 AUSTRALIA'S FIRST OPERA SIMULCAST          EA OCT81 P18 
 QUESTIONS AND ANSWERS ON RADIOTELETYPE     EA OCT81 P24 
 VIDEO DOMINATES THE AMERICAN SHOW SCENE    EA OCT81 P32 
 SONY TA-AX5 INTEGRATED STERO AMPLIFIER     EA OCT81 P39 
 LYREBIRD ELECTRONIC PIANO                  EA OCT81 P42 
 WIND SPEED INDICATOR                       EA OCT81 P50 
 SUPER-80 DO-IT-YOURSELF COMPUTER CIRCUIT   EA OCT81 P60 
 AUDIO TEST UNIT FOR CASSETTE DECKS         EA OCT81 P76 
 MODEMS AND TELEPHONE COMMUNICATION         EA OCT81 P118 
 A PERSONAL COMPUTER FROM IBM               EA OCT81 P120 
 POWER FAILURES - WERE COMPUTERS TO BLAME   EA OCT81 P28 
 MARINE AUTO PILOT FOR SMALL BOATS          EA OCT81 P92 
 POLARIOD'S NEW ELECTRONIC CAMERAS          EA NOV81 P12 
 CAR DESIGN : THE ELECTRONIC REVOLUTION     EA NOV81 P16 
 HOME-MADE SATELLITE TV GROUND STATION      EA NOV81 P24 
 AUSTRALIA'S FIRST OPTICAL FIBRE NETWORK    EA NOV81 P124 
 BASF : ANSWERS ON CRO2 CASSETTES           EA NOV81 P32 
 TECHNICS RS-M270X STERO CASSETTE DECK      EA NOV81 P38 
 SLIDE CROSS-FADER & ADVANCE UNIT           EA NOV81 P44 
 LYREBIRD ELECTRONIC PIANO PT.2             EA NOV81 P54 
 LED SANDGLASS ELECTRONIC EGGTIMER          EA NOV81 P62 
 AUDIBLE TURN SIGNAL INDICATOR ( CAR )      EA NOV81 P68 
 HOW TO MAKE SCOTCHCAL PANELS               EA NOV81 P76 
 SUPER-80 PROGRAM COMPETITION               EA NOV81 P93 
 SOFTWARE PROGRAMMABLE KEYS ON SYSTEM-80    EA NOV81 P122 
 SINGLE IC LOGIC TESTER                     EA NOV81 P84 
 SIMPLE VIDEO SUMMING AMPLIFIER             EA NOV81 P84 
 SINGLE BUTTON SEQUENTIAL SWITCHER          EA NOV81 P87 
 HIGH TECHNOLOGY & AUSTRALIA                EA DEC81 P12 
 TEACHING COMPUTERS TO THINK                EA DEC81 P24 
 INDEX TO VOLUME 43                         EA DEC81 P132 
 BERLIN AUDIO AND VIDEO FAIR                EA DEC81 P32 
 SONY'S NEW SIR CAMERA : SNAPSHOTS ON DISC  EA DEC81 P35 
 MARANTZ SR 8100DC STERO RECEIVER           EA DEC81 P39 
 500MHZ 7-DIGIT FREQUENCY METER             EA DEC81 P44 
 ELECTRONIC CHRISTMAS DECORATION            EA DEC81 P53 
 LED BAR GRAPH DISPLAY                      EA DEC81 P56 
 VENTED SPEAKER SYSTEMS PT.3                EA DEC81 P71 
 LYREBIRD ELECTRONIC PIANO PT.3             EA DEC81 P82 
 24-HOUR CRYSTAL CLOCK                      EA DEC81 P94 
 OUTBACK TV SYSTEM NEARS COMPLETION         EA DEC81 P9 
 VOLTAGE-TO-FREQUENCY CONVERTER             EA DEC81 P92 
 AUSTRALIA'S RADIO PIONEERS PT.1            EA JAN82 P12 
 EXIDE TORQUE STARTER : MAINTENANCE-FREE                           CAR BATTERY                             EA JAN82 P16 
 MAGNETIC LEVITATION : NEW TRAINS           EA JAN82 P24 
 AUSTRALIAN AM-FM BROADCASTING SERVICES                              FULL FREQUENCY LIST                   EA JAN82 P26 
 THE BLANK TAPE LEVY                        EA JAN82 P32 
 SHARP VZ-3000Z COMBINATION HIFI SYSTEM     EA JAN82 P38 
 AN EASY-TO-USE EPROM PROGRAMMER            EA JAN82 P42 
 LOW-COST WIND DIRECTION INDICATOR          EA JAN82 P54 
 BUILD AN ELECTRONIC METRONOME              EA JAN82 P64 
 SIMPLE ELECTRONIC DICE                     EA JAN82 P68 
 LYREBIRD ELECTRONIC PIANO PT.4             EA JAN82 P72 
 PROGRAMMING THE SUPER-80 COMPUTER          EA JAN82 P82 
 WE REVIEW THE SPHERE MICROCOMPUTER         EA JAN82 P88 
 SUPER-80 PROGRAM COMPETITION               EA JAN82 P58 
 ARE 8-BIT PROCESSORS ON THE WAY OUT        EA JAN82 P115 
 YAESU FT-ONE TRANSCEIVER ( REVIEW )        EA JAN82 P92 
 NEW CABLE LINK ACROSS THE PACIFIC          EA JAN82 P9 
 WE COP A BLAST ON POWER STATIONS &                                DIGITAL RECORDING ( FORUM )             EA JAN82 P28 
 MUSICAL TONE GENERATOR PERIPHERAL          EA JAN82 P80 
 PATCH FOR DREAM 6800 KALEIDOSCOPE PROGRAM  EA JAN82 P80 
 MODIFICATIONS TO THE UTILITY TIMER         EA JAN82 P81 
 AUTOMATIC AIRLINERS                        EA FEB82 P12 
 AUSTRALIA'S RADIO PIONEERS PT.2            EA FEB82 P18 
 AN INTERVIEW WITH RODNAY ZAKS,COMPUTER                           WRITER SPEAKS OUT                        EA FEB82 P32 
 MORTON GOULD : HIGH TECHNOLOGY RECORDING   EA FEB82 P26 
 SONY ICF-2000 AM/FM SYNTHESISED RECEIVER   EA FEB82 P34 
 DIGITAL THERMOMETER                        EA FEB82 P36 
 500MHZ 7-DIGIT FREQUENCY METER PT.2        EA FEB82 P46 
 LARGE SCREEN TV STORAGE CRO ADAPTER        EA FEB82 P50 
 CUDLIPP : AN ELECTRONIC CRICKET            EA FEB82 P72 
 WE REVIEW TANDY'S NEW COLOUR COMPUTER      EA FEB82 P66 
 EXPANSION BOARD FOR THE DREAM 6800         EA FEB82 P84 
 USEFUL INFORMATION FOR SYSTEM-80 OWNERS    EA FEB82 P120 
 VCRS PRESENT SERVICE PROBLEMS IN REMOTE                                 AREAS  ( FORUM )                  EA FEB82 P22 
 SIMPLE CROWBAR PROTECTOR                   EA FEB82 P76 
 AUTOMATIC REVERSING LAMPS :  CAR           EA FEB82 P76 
 LOW POWER STROBE                           EA FEB82 P79 
 SIMPLE NOISE GATE (CCT & DESIGN IDEAS)     EA FEB82 P79 
 SATELLITES SHOW A WARLIKE FACE             EA MAR82 P10 
 VIDEO TERMINALS & EYESTRAIN                EA MAR82 P17 
 AUSTRALIA'S RADIO PIONEERS PT.3            EA MAR82 P20 
 DYNAMIC RANGE AND LOUD MUSIC               EA MAR82 P28 
 FISHER PH492K PORTABLE AUDIO SYSTEM HIFI   EA MAR82 P35 
 PLAYMASTER 3-70L LOUDSPEAKER SYSTEM        EA MAR82 P38 

 LCD CAPACITANCE METER                      EA MAR82 P48 
 DUAL TRACKING + - 22V POWER SUPPLY         EA MAR82 P56 
 LOW FUEL INDICATOR FOR CARS                EA MAR82 P74 
 HOW TO PROGRAM IN MACHINE LANGUAGE         EA MAR82 P82 
 WORD PROCESSING AND THE SYSTEM-80          EA MAR82 P116 
 SYDNEY'S APPLEFEST EXHIBITION              EA MAR82 P120 
 A SIMPLE RS-232C TESTING BOX               EA MAR82 P128 
 ANTARTIC EXPEDITION                        EA MAR82 P94 
 EQUIPMENT RELIABILITY                      EA MAR82 P24 
 SWITCH-MODE CONTROL OF LOW VOLTAGE                                DC MOTORS  (CIRCUIT & DESIGN IDEAS)     EA MAR82 P71 
 BATTERY TESTER FOR BLIND PERSONS           EA MAR82 P72 
 THE PERILS OF SIMPLE DESIGN                EA MAY82 P10 
 ADVANCES IN DISPLAY ELECTRONICS LEDS       EA MAY82 P16 
 THE STORY OF UNDERSEA CABLES PT.2          EA MAY82 P18 
 DBX NOISE REDUCTION                        EA MAY82 P30 
 TECHNICS RS-M280 3-HEAD CASSETTE RECORDER  EA MAY82 P38 
 TACHO/DWELL METER WITH DIGITAL DISPLAY                                    CAR                             EA MAY82 P42 
 HIGH PERFORMANCE PHONO PREAMPLIFIER        EA MAY82 P50 
 LOW POWER 12-240V INVERTER                 EA MAY82 P61 
 LOW-COST CMOS TOUCH SWITCH                 EA MAY82 P77 
 A PRINTER INTERFACE FOR THE SUPER-80       EA MAY82 P80 
 EA/AUSTRALIAN BEGINNING CONTEST            EA MAY82 P93 
 HOW TO PROGRAM IN MACHINE LANGUAGE PT.3    EA MAY82 P116 
 ANTARCTIC EXPEDITION COMPLETES ITS WORK    EA MAY82 P98 
 ALARM AND FAST SHIFT FOR EA CONTROL TIMER  EA MAY82 P69 
 POWER INVERTER FOR MOTOR-DRIVEN ANTENNA    EA MAY82 P69 
 WILL ROBOTS TAKE YOUR JOB ?                EA DEC80 P12 
 FIFTY YEARS OF TALKING PICTURES PT.        EA DEC80 P18 
 COMING TO GRIPS WITH UHF TV                EA DEC80 P24 
 GAS-POWERED MICROPHONES :EARLY DESIGNS     EA DEC80 P81 
 DBX OFFERS IMPROVED DYNAMIC RANGE          EA DEC80 P32 
 HAFLER DH-101 PREAMPLIFIER & DH-200 POWER                      AMPLIFIER                                  EA DEC80 P40 
 EA/R.H.CUNNINGHAM HEADPHONE CONTEST        EA DEC80 P41 
 PLAYMASTER MOSFET STERO AMPLIFIER 55W      EA DEC80 P44 
 ELECTRONIC LOTTO NUMBER SELECTOR           EA DEC80 P52 
 AN AC MILLIVOLTMETER:FOR LOW LEVEL AUDIO   EA DEC80 P58 
 SIMPLE ELECTRONIC MUSIC GENERATOR          EA DEC80 P61 
 FM WIRELESS MICROPHONE                     EA DEC80 P68 
 4K RAM EXPANSION FOR THE DREAM 6800        EA DEC80 P87 
 INTRODUCTION TO PASCAL                     EA DEC80 P92 
 SINCLAIR ZX80 PERSONAL COMPUTER            EA DEC80 P127 
 SYSTEM-80 & TRS-80 ADDRESSING DIFFERENCES  EA DEC80 P130 
 COMPUKIT 101 COMPUTER                      EA DEC80 P133 
 VENTED LOUDSPEAKER SYSTEMS:FORUM           EA DEC80 P28 
 MODIFICATION GIVES PULSED OUTPUT FOR                                UTILITY TIMER                         EA DEC80 P76 
 ADDITIONS TO 10GHZ RADAR BURGLAR ALARM                             PROVIDE USEFUL DELAYS                  EA DEC80 P76 
 HIGH FREQUENCY DOUBLING WITH CMOS          EA DEC80 P79 
 VDU MOD GIVES 64 CHARACTERS PER LINE       EA DEC80 P79 
 RADIO MOSCOW AND THE dB WAR                EA JUN82 P12 
 JAPAN:RESEARCH MAKES THE DIFFERENCE        EA JUN82 P18 
 A LOOK AT THE QUAD ESL-63 LOUDSPEAKER      EA JUN82 P28 
 DISCO SOUND BRITISH STYLE                  EA JUN82 P32 
 TECHNICS RS-M07 STERO CASSETTE RECORDER    EA JUN82 P34 
 HIGH POWER 300VA 12/240V INVERTER          EA JUN82 P38 
 PLAYMASTER 3-56L LOUDSPEAKER SYSTEM        EA JUN82 P56 
 THE XR-2243 TIMER IC:FOR EXTRA LONG DELAYS EA JUN82 P74 
 GUITAR BOOSTER FOR STERO AMPLIFIERS        EA JUN82 P76 
 BETTER BASS FOR ELECTRONIC ORGANS          EA JUN82 P80 
 THEREMIN :A WEIRD MUSIC MACHINE            EA JUN82 P86 
 BUILD AN RS-232C CASSETTE INTERFACE        EA JUN82 P94 
 CONCORD II BARE-BOARD MICROCOMPUTER        EA JUN82 P120 
 SYSTEM-80 BLUE LABEL COMPUTER              EA JUN82 P124 
 IARU S-METER STANDARDS                     EA JUN82 P73 
 ELECTRONIC THERMOSTAT (CIRUIT & DESIGN)    EA JUN82 P83 
 AUDIBLE LOGIC TESTER (CIRCUIT & DESIGN)    EA JUN82 P83 
 CUDLIPPS BROTHER                                EA JUN82 P84 
 LIGHTS FOR MODEL RAILWAYS                  EA JUN82 P84 
 THE SECRETS OF 3D TELEVISION:HOW IT WORKS  EA JUL82 P12 
 ELECTROMAGNETIC MASS LAUNCHERS             EA JUL82 P18 
 TECNOLOGY-MEETING SOCIET'S NEEDS ?         EA JUL82 P24 
 ON BEING ASKED FOR ADVICE ON HIFI -                                HOW DO YOU REACT                       EA JUL82 P30 
 TEAC X-1000R OPEN-REEL TAPE RECORDER       EA JUL82 P38 
 100W SUB-WOOFER POWER AMPLIFIER            EA JUL82 P44 
 CAR COMPUTER TO BUILD                      EA JUL82 P56 
 PORTABLE HEART RATE MONITOR                EA JUL82 P62 
 A DECIMAL POINT FOR THE 500MHZ DFM         EA JUL82 P78 
 SIMPLE POWER MONITOR                       EA JUL82 P84 
 THE VIC-20 COLOUR COMPUTER                 EA JUL82 P114 
 EXTRA MEMORY FOR THE SINCLAIR ZX80         EA JUL82 P121 
 A CASE FOR THE SUPER-80                    EA JUL82 P122 
 SINCLAIR COLOUR COMPUTER RELEASED IN UK    EA JUL82 P126 
 ELECTRONIC SPARE PARTS:THERE ARE TWO SIDES EA JUL82 P26 
 PROGRAMMED SWITCH-ON FOR IR REMOTE CONTROL EA JUL82 P74 
 TRS-80 CASSETTE CONTROL                    EA JUL82 P76 
 HEALTH HAZARDS OF VDUS                     EA AUG82 P12 
 AUSTRALIA'S PART IN STARLAB                EA AUG82 P18 
 AUSTRALIAN SYNTHESISER FOR WORLD MARKET    EA AUG82 P30 
 PHONIC SA-3000 STERO GRAPHIC EQUALISER     EA AUG82 P36 
 CAR COMPUTER : PART 2                      EA AUG82 P40 
 ADDING GRAPHICS TO THE SUPER-80            EA AUG82 P88 
 HOW TO PROGRAM IN MACHINE LANGUGE          EA AUG82 P94 
 MARC NR82 MULTIBAND RECEIVER:TO UHF        EA AUG82 P22 
 SERVICE MANUALS:THE LATEST IN BANNED BOOKS EA AUG82 P24 
 REGULATED SUPPLY FOR FLASH METER           EA AUG82 P67 
 FOUR HOUR PHOTOGRAPHIC TIMER               EA AUG82 P68 
 USE YOUR DVM AS A CAPACITANCE METER        EA AUG82 P68 
 LASERS GET READY FOR WAR                   EA DEC82 P12 
 HOW THE ABC REPORTED THE GAMES             EA DEC82 P16 
 EXPEDITION BY SAIL TO THE ANTARCTIC        EA DEC82 P22 
 INDEX TO VOLUME 44                         EA DEC82 P148 
 AUDIOSOUND LINZ 8066 STUDIO MONITORS       EA DEC82 P30 
 RECORDING TAPE IS GETTING BETTER           EA DEC82 P34 
 COMPACT AUDIO DISC:SONY PREVIEWS 1983      EA DEC82 P40 
 A HIGH PERFORMANCE AM TUNER : PART 1       EA DEC82 P44 
 EASY TO BUILD DIGITAL PH METER             EA DEC82 P54 
 DRIVEWAY SENTRY TURNS ON THE LIGHTS        EA DEC82 P62 
 THE MIND-BLOWING BOGGLE GOGGLES            EA DEC82 P68 
 LOW COST DARKROOM TIMER HAS AUDIBLE OUTPUT EA DEC82 P83 
 DIGITAL CHESS CLOCK WITH TIME OUT ALARM    EA DEC82 P85 
 FOUR-TONE SOUND FOR THE SUPER-80           EA DEC82 P85 
 DATUM MICROPROCESSOR TRAINER               EA DEC82 P92 
 TEXAS INSTRUMENTS TI-99/4A COMPUTER        EA DEC82 P100 
 TRS-80 UPGRADES BY DEFOREST COMPUTERS                      4MHZ Z80A PROCESSOR,112K RAM,80*24 LINE VIDEO,                  CP/M:IN THREE STAGES "COMPACTOR I,II,&IV"      EA DEC82 P137 
 LIGHT TRIGGER FOR SLAVE FLASHGUNS          EA OCT79 P50 
 STEREO INFRA-RED REMOTE CONTROL            EA OCT79 P38 
 THE WORK OF THE SHIP'S RADIO OFFICER       EA JAN83 P10 
 SCANNERS AND SCANNING : Is it legal        EA JAN83 P16 
 EXPEDITION TO THE ANTARCTIC PT.2           EA JAN83 P22 
 LASER TESTS FOR LOUDSPEAKERS               EA JAN83 P30 
 TEAC SYNTHESISED AM/FM TUNER (12 MEMORY)   EA JAN83 P38 
 REMOTE INFRARED TV SOUND CONTROL           EA JAN83 P40 
 BATTERY SAVER FOR PERSONAL PORTABLES       EA JAN83 P52 
 A HIGH PERFORMANCE AM TUNER : PT.2         EA JAN83 P58 
 THE "LED HEAD" LIGHTCHASER                 EA JAN83 P72 
 TRIANGLE-TO-SINE-WAVE CONVERTER            EA JAN83 P78 
 HEX DISPLAY FOR EPROM PROGRAMMER,(JAN82)   EA JAN83 P78 
 CHUNKY GRAPHICS FOR THE SUPER-80           EA JAN83 P80 
 DATUM MICROPROCESSOR TRAINER               EA JAN83 P86 
 PORTABLE COMPUTER FROM HEWLETT-PACKARD     EA JAN83 P123 
 THE GROWING PERIL OF SPACE DEBRIS          EA FEB83 P12 
 PROSPECTS FOR CABLE TV                     EA FEB83 P16 
 ALTRONICS : The live wire company          EA FEB83 P24 
 THE COMPACT DISC: For immediate release    EA FEB83 P32 
 TECHNICS WAY;SMALLEST PORTABLE PLAYER      EA FEB83 P41 
 TRANSISTOR ASSISTED IGNITION SYSTEM        EA FEB83 P44 
 BREAKERLESS IGNITION SYSTEM;OPTO TRIGGER   EA FEB83 P56 
 SIMPLE MOISTURE ALARM                      EA FEB83 P58 
 HIGH PERFORMANCE AM TUNER PT.3             EA FEB83 P64 
 SUPPRESSED ZERO CAR VOLTMETER              EA FEB83 P71 
 REMOTE TV SOUND CONTROL PT.2               EA FEB83 P78 
 WHEATSTONE BRIDGE AND DECADE BOX           EA FEB83 P82 
 THE MICROBEE PERSONAL COMPUTER             EA FEB83 P94 
 COMPUTING ON THE OTRONA 512                EA FEB83 P118 
 TRS-80 PROGRAM SPEEDS UP CASSETTE                                  OPERATION FOR MODEL I (HISPED)         EA FEB83 P124 
 ENHANCED MONITOR FOR THE EXIDY SORCERER    EA FEB83 P126 
 ATARI LOOKS FOR NEW GAMES                  EA FEB83 P123 
 ALAN BLUMLEIN:WARTIME RADAR PIONEER        EA MAR83 P14 
 THE NEW SMART MISSILES                     EA MAR83 P74 
 WHAT'S INSIDE A CD PLAYER                  EA MAR83 P28 
 MERIDIAN M3 INTERACTIVE SYSTEM : HIFI      EA MAR83 P36 
 ANALOG FUEL CONSUMPTION METER ( CAR )      EA MAR83 P42 
 HIGH PERFORMANCE AM TUNER PT.4             EA MAR83 P54 
 BROWN-OUT PROTECTOR:PROTECTS MOTORS                               AGAINST LOW AC VOLTAGE                  EA MAR83 P60 
 EASY-TO-BUILD 3 1/2 - DIGIT MULTIMETER     EA MAR83 P86 
 BATTERY BACK-UP FOR THE CAR COMPUTER       EA MAR83 P102 
 DESIGN AND BUILD YOUR OWN SOLENOID         EA MAR83 P108 
 5OOMHZ PRESCALER FOR DIGITAL FREQUENCY                            METERS                                  EA MAR83 P68 
 BURNOUT PROTECTOR FOR OHMMETER RANGES      EA MAR83 P68 
 THE AED UNIVERSE SUPERCOMPUTER II          EA MAR83 P134 
 APPLE'S NEW " LISA " Set to take over      EA MAR83 P138 
 80-COLUMN VIDEO BOARD FOR THE SUPER-80     EA MAR83 P142 
 AM SIDEBANDS - Here we go again            EA MAR83 P22 
 ELECTROMAGNETIC PULSE : ONE BOMB COULD                            BLACK OUT A NATION                      EA APR83 P14 
 ANZCAN - CABLE TO CANADA                   EA APR83 P20 
 WIND GENERATOR Turther design thoughts     EA APR83 P24 
 COMPACT DISC :CONTROLS AND PROGRAMMING     EA APR83 P36 
 TECHNICS SL-Q20 AUTOMATIC TURNTABLE        EA APR83 P44 
 STERO SIMULATOR                            EA APR83 P48 
 TOUCH-LAMP DIMMER                          EA APR83 P58 
 BALANCED 8-CHANNEL MIXER                   EA APR83 P74 
 PRE-AMP FOR MOVING COIL CARTRIDGES         EA APR83 P84 
 THE KINGSWOOD CARPENTER'S LEVEL            EA APR83 P86 
 HOW TO MAKE A BUZZER                       EA APR83 P90 
 MODEL RAILWAY SIGNAL OVERIDE SYSTEM        EA APR83 P72 
 POWER FAILURE INDICATOR                    EA APR83 P72 
 COMPUVOICE FOR TRS-80 :Add-on versatility  EA APR83 P92 
 SHARP PC-1500 POCKET COMPUTER              EA APR83 P122 
 MOTOROLA EVALUATION BOARD FOR THE MC68000  EA APR83 P128 
 SEAHORSE COMPUTERS EXPAND THE VIC-20       EA APR83 P129 
 NEW ENHANCED VERSION OF THE APPLE II       EA APR83 P130 
 MORE ABOUT AM :HOW DIODE DETECTORS WORK    EA APR83 P32 
 PLANES THAT RADAR CAN'T SEE                EA MAY83 P12 
 WIND GENERATORS PT.2                       EA MAY83 P18 
 TRIO CS-2100A OSCILLOSCOPE                 EA MAY83 P106 
 SERVO SYSTEMS IN VIDEO TAPE RECORDERS                             How they work.                          EA MAY83 P22 
 PRODUCING COMPACT DISCS : Whats involved   EA MAY83 P36 
 MARANTZ CD-73 COMPACT DISC PLAYER          EA MAY83 P44 
 ELECTRONIC ROULETTE WHEEL                  EA MAY83 P48 
 50V/5A POWER SUPPLY PT.1                                          SWITCHMODE DESIGN                       EA MAY83 P58 
 BALANCED 8-CHANNEL MIXER PT.2              EA MAY83 P66 
 ALCOHOL BREATH TESTER                      EA MAY83 P82 
 VIC-20 CASSETTE INTERFACE                  EA MAY83 P72 
 HOLD FUNCTION FOR DIGITAL FREQUENCY                               METER DESCRIBED IN EA DEC81             EA MAY83 P72 
 LOW-COST PUSHBUTTON SEQUENTIAL SWITCH      EA MAY83 P72 
 LOW-COST ECONOMY METER WITH KM/L READOUT                         FOR YOUR CAR                             EA MAY83 P75 
 MEMORY EXPANSION FOR THE ZX-80             EA MAY83 P88 
 NATIONAL PANASONIC JB-3000:Challenge IBM   EA MAY83 P120 
 PROGRAMMABLE CHARACTERS FOR THE SUPER-80   EA MAY83 P135 
 PERSONAL ROBOTS ARE HERE !                 EA JUN83 P12 
 MITSUBISHI RM-101 MOVEMASTER ROBOT         EA JUN83 P20 
 AN INTERVIEW WITH BARRY JONES              EA JUN83 P29 
 AUSTRALIAN HEART PACEMAKERS                EA JUN83 P32 
 HOW TO OBTAIN BETTER TV RECEPTION PT.1     EA JUN83 P94 
 HIFI SOUND BUT LOFI EARS                   EA JUN83 P44 
 MARANTZ SD 820 DBX CASSETTE DECK           EA JUN83 P52 
 50V/5A POWER SUPPLY PT.2                                          SWITCHMODE DESIGN                       EA JUN83 P56 
 VERSATILE EFFECTS UNIT                     EA JUN83 P68 
 OVERLOAD INDICATOR FOR AMPLIFIERS          EA JUN83 P86 
 AUDIO INDICATOR FOR THE HEART RATE MONITOR EA JUN83 P77 
 UPDATING THE POOLS/LOTTO SELECTOR          EA JUN83 P77 
 QUIZ GAME ADJUDICATOR                      EA JUN83 P79 
 LEADING ZERO BLANKING FOR PLAYMASTER                              AM TUNER                                EA JUN83 P79 
 COMMODORE 64 COMPUTER                      EA JUN83 P130 
 GREEN SCREEN MONITOR FROM ALTRONICS        EA JUN83 P137 
 CENTRE INDUSTRIES 300 BPS DIRECT CONNECT                          MODEM                                   EA JUN83 P143 
 FIFTH GENERATION COMPUTERS                 EA JUL83 P12 
 TV FOR THE DEAF:SUPERTEXT CAPTION SERVICE  EA JUL83 P20 
 AM TRANSMISSIONS & THE TIME DOMAIN         EA JUL83 P24 
 UFOS :Time for rational studies            EA JUL83 P32 
 HOW TO OBTAIN BETTER TV RECEPTION PT.2     EA JUL83 P82 
 TACHO/DWELL METER FOR ENGINE TUNE-UPS      EA JUL83 P54 
 + - 12V RAILS FOR THE LAB POWER SUPPLY     EA JUL83 P62 
 4 1/2 - DIGIT LCD EVENT COUNTER            EA JUL83 P66 
 FRIDGE DOOR REMINDER ALARM                 EA JUL83 P90 
 DESIGN & BUILD YOUR OWN RELAY              EA JUL83 P102 
 EXTRA RAM FOR DREAM 6802 MICROCOMPUTER     EA JUL83 P79 
 HEAVY-DUTY JOYSTICK FOR THE VIC-20         EA JUL83 P81 
 COMPOSITE VIDEO SIGNAL GENERATOR USING                            NOR GATES                                EA JUL83 P81 
 REVERSE POLARITY PROTECTION CIRCUIT        EA JUL83 P81 
 DIGITAL DIVIDER TO MONITOR HIGH FREQUENCY                         SIGNALS WITH AUDIO OUTPUT               EA JUL83 P79 
 PARALLEL TO SERIAL CONVERTER :                                   CENTRONICS TO RS-232C INTERFACE          EA JUL83 P96 
 LISTING FOR THE EPROM PROGRAMMER           EA JUL83 P106 
 VZ-200 COMPUTER REVIEW                     EA JUL83 P130 
 ENHANCEMENTS FOR TRS-80 AND SYSTEM-80      EA JUL83 P141 
 THERMAL SHOCK:A NEW REACTOR HAZARD         EA AUG83 P12 
 A FLIGHT ON THE NASA OBSERVATORY           EA AUG83 P20 
 AIRCRAFT DESIGN :a look into the future    EA AUG83 P26 
 HOW TO OBTAIN BETTER TV RECEPTION PT.3     EA AUG83 P100 
 KENWOOD KVA-502 AUDIO-VIDEO AMPLIFIER      EA AUG83 P46 
 TOUCH LAMP TIMER                           EA AUG83 P52 
 VIDEO AMPLIFIER FOR COMPUTERS & VCRS       EA AUG83 P62 
 2MHZ 4 1/2 - DIGIT FREQUENCY METER         EA AUG83 P78 
 COMPUMUSE MUSIC SYNTHESISER                EA AUG83 P90 
 WIDE RANGE LOW DISTORTION SWEEP OSCILLATOR EA AUG83 P77 
 LIGHT CHASER GIVES CYLON EYE DISPLAY       EA AUG83 P77 
 SUPER-80 BAUDOT TELEPRINTER INTERFACE      EA AUG83 P87 
 CROMEMCO C-10 COMPUTER REVIEW              EA AUG83 P126 
 ELECTRONIC FUEL INJECTION :How it works    EA SEP83 P14 
 The inventive genius of NIKOLA TESLA PT.1  EA SEP83 P22 
 VALUES ARE DEAD BUT NOT FORGOTTEN          EA SEP83 P94 
 KEF KM1 MONITOR LOUDSPEAKERS               EA SEP83 P42 
 RECORDS CLAMPS AND ANTISTATIC MATS         EA SEP83 P50 
 ABSOLUTE VALUE AMPLIFIERS                  EA SEP83 P32 
 ELECTRONIC WATTMETER :Power to 3kw         EA SEP83 P54 
 40-CHANNEL UHF AMATEUR TRANSCEIVER         EA SEP83 P72 

 IN-CIRCUIT TRANSISTOR TESTER               EA SEP83 P62 
 TRIAC-CONTROLLED SOIL HEATING UNIT         EA SEP83 P86 
 ELECTRONIC DETENT CIRCUIT                  EA SEP83 P82 
 BEEPER FOR THE SUPER-80                    EA SEP83 P83 
 SUPERWEAPON SOFTWARE WOES                  EA OCT83 P12 
 NEW CONCEPT DIGITAL MULTIMETER                                    FLUKE 70 SERIES                         EA OCT83 P16 
 The inventive genius of NIKOLA TESLA PT.2  EA OCT83 P22 
 HOW TO OBTAIN BETTER TV RECEPTION PT.4     EA OCT83 P88 
 NEW CONCEPT IN ENERGY MANAGEMENT           EA OCT83 P104 
 YAMAHA R-100 AM/FM STERO RECEIVER          EA OCT83 P44 
 VIDEO ENHANCER :Touch up your tv pictures  EA OCT83 P52 
 SPEED SENTRY FOR CARS :                    EA OCT83 P60 
 40 CHANNEL UHF AMATEUR TRANSCEIVER         EA OCT83 P79 
 NAIL FINDER :The electrician's mate        EA OCT83 P84 
 GLOW PLUG DRIVER FOR MODEL AEROPLANES      EA OCT83 P69 
 WIDE RANGE CAPACITANCE METER               EA OCT83 P70 
 FLAME DETECTOR CIRCUIT CONTROLS BOOSTER                           FANS                                    EA OCT83 P70 
 SIGMA DATA OK IF800 COMPUTER               EA OCT83 P94 
 DIRECT-CONNECT 300 BPS MODEM                                      SENDATA 300                             EA OCT83 P128 
 TELEVISING THE BATHURST 1000               EA NOV83 P12 
 The inventive genius of NIKOLA TESLA PT.3  EA NOV83 P20 
 FREQUENCY MODULATION AND SIDEBANDS         EA NOV83 P24 
 HOW TO OBTAIN BETTER TV RECEPTION PT.5     EA NOV83 P90 
 LEADER LBO-518 100MHZ CRO                  EA NOV83 P104 
 1920'S STYLE WIRELESS SET :Build vintage   EA NOV83 P46 
 TV PATTERN GENERATOR                       EA NOV83 P56 
 PARABOLIC MICROPHONE                       EA NOV83 P64 
 40-CHANNEL UHF AMATEUR TRANSCEIVER         EA NOV83 P78 
 DESIGNING RHYTHM GENERATORS : PT.1         EA NOV83 P84 
 DUAL TRACE CRO ADAPTER                     EA NOV83 P76 
 THE MICROBEE IC:                           EA NOV83 P124 
 ACROSS THE PACIFIC BY HELICOPTER           EA DEC83 P28 
 MAKING PCBS IN SMALL QUANTITIES            EA DEC83 P100 
 INDEX TO VOLUME 45                         EA DEC83 P158 
 HOME VIDEO CAMERAS                         EA DEC83 P12 
 BETAMOVIE CAMERA/RECORDER                  EA DEC83 P20 
 SONY PCM ADAPTER FOR VCRS                  EA DEC83 P38 
 BREAKERLESS IGNITION FOR YOUR CAR                                 Uses a HALL EFFECT DEVICE               EA DEC83 P42 
 CHASE "N" CHOMP :ELECTRONIC GAME           EA DEC83 P52 
 VK POWERMATE ,13.8V SUPPLY                 EA DEC83 P62 
 DESIGNING RHYTHM GENERATORS : PT.2         EA DEC83 P78 
 ELECTRONIC BALLAST FOR FLUORESCENT LAMPS   EA DEC83 P86 
 CONSTANT CURRENT NICD CHARGER WITH                                AUTOMATIC SHUT-OFF                      EA DEC83 P82 
 STERO SOUND FOR TV                         EA DEC83 P82 
 SUPER-80 JOYSTICK AND INTERFACE            EA DEC83 P83 
 TANDY MODEL 100 PORTABLE COMPUTER          EA DEC83 P92 
 DULMONT MAGNUM PORTABLE COMPUTER           EA DEC83 P136 
 A FRESH LOOK AT THE LIGHT BULB             EA SEP82 P12 
 TECHNICS ST-Z45 AM/FM STERO TUNER          EA SEP82 P42 
 SENNHEISER HD230 DYNAMIC HEADPHONES        EA SEP82 P46 
 STERO SYNTHESISER FOR TUNERS & VCRS        EA SEP82 P52 
 CAR COMPUTER: PART 3                       EA SEP82 P60 
 AUDAX COMPACT 200 LOUDSPEAKER              EA SEP82 P74 
 BUILD AN ELECTRIC FENCE                    EA SEP82 P80 
 DYNAMIC NOISE REDUCTION FILTER             EA SEP82 P92 
 EASY-TO-BUILD BICYCLE ODOMETER             EA SEP82 P99 
 CHOOSING A PRINTER                         EA SEP82 P18 
 COMPUTER CLUB LISTING                      EA SEP82 P129 
 TELECOM'S MOBILE TELEPHONE SYSTEM          EA JAN84 P12 
 PERREAUX 5150B STERO AMPLIFIER             EA JAN84 P38 
 LEADER LCR BRIDGES                         EA JAN84 P102 
 INFRARED REMOTE CONTROL,FOR THE                                   TOUCH-LAMP DIMMER                        EA JAN84 P44 
 WATER SPRINKLER CONTROLLER                 EA JAN84 P54 
 ENERGY MONITOR                             EA JAN84 P76 
 MULTI-STANDARD MODEM :Versatile                                   direct-connect unit to construct        EA JAN84 P90 
 DESIGNING RHYTHM GENERATORS PT.3           EA JAN84 P100 
 HEX DISPLAY  (CIRCUIT & DESIGN IDEAS)      EA JAN84 P73 
 EXTRA RAM FOR THE VIC-20                   EA JAN84 P75 
 IBM RELEASES THE PC JUNIOR                 EA JAN84 P124 
 MICROPHONE IN A CRICKET STUMP              EA FEB84 P12 
 AUSTRALIA WATCHES THE SUN                  EA FEB84 P18 
 AUSTRALIAN AM/FM BROADCASTING SERVICES                            FULL FREQUENCY LIST                     EA FEB84 P126 
 MOTORCYCLE INTERCOM                        EA FEB84 P38 
 TELEPHONE BELL EXTENDER                    EA FEB84 P46 
 IGNITION KILLER FOR CARS                   EA FEB84 P54 
 HEADPHONE AMPLIFIER FOR MUSICIANS          EA FEB84 P68 
 HIGH RESOLUTION GRAPHICS DISPLAY           EA FEB84 P74 
 EXTRA RAM FOR THE SYSTEM-80 COMPUTER       EA FEB84 P84 
 A LOOK AT EMITTER FOLLOWERS                EA FEB84 P90 
 LINEAR FREQUENCY CONTROL FOR THE 555       EA FEB84 P58 
 SIMPLE SWR METER                           EA FEB84 P58 
 NICD CHARGER WITH AUTOMATIC SHUTOFF        EA FEB84 P59 
 VIC-20 VIDEO TERMINAL                      EA FEB84 P59 
 SPECTRAVIDEO SV-318 HOME COMPUTER          EA FEB84 P100 
 MULTITECH MPF-III PERSONAL COMPUTER        EA FEB84 P106 
 AUSSAT:DOMESTIC COMMUNICATIONS SATELLITE   EA MAR84 P12 
 DELUXE CHESS COMPUTER                      EA MAR84 P20 
 THE STORY OF THE COMPACT CASSETTE          EA MAR84 P26 
 JAMO CBR 904 BASS REFLEX LOUDSPEAKERS      EA MAR84 P40 
 WOBBULATOR AND SOUND LEVEL METER           EA MAR84 P43 
 VK POWERMASTER: 25A,13.8V REGULATED SUP    EA MAR84 P54 
 VERSATILE LCR BRIDGE                       EA MAR84 P64 
 HOW TO OBTAIN BETTER TV RECEPTION PT.6     EA MAR84 P76 
 OP AMPS EXPLAINED                          EA MAR84 P84 
 EXPERIMENT WITH DUMMY HEAD RECORDING       EA MAR84 P94 
 FORUM: BLANK TAPE - NO REAL CASE FOR LEVY  EA MAR84 P32 
 FLIGHT SIMULATORS :The grand illusion      EA APR84 P12 
 IF YOUR PROJECT WON'T WORK :Don't stomp on EA APR84 P20 
 WINTER CES IN LAS VEGSA :VIDEO @ COMP-DISC EA APR84 P32 
 PHASE LINEAR 9500 COMPACT DISC PLAYER      EA APR84 P38 
 A VERSATILE LCR BRIDGE PT.2 :Cct @ const   EA APR84 P44 
 VCR SOUND PROCESSOR :STERO SIMULATOR + EQ  EA APR84 P54 
 LI'L POKEY :Cost nothing to play           EA APR 84 P68 
 OP AMPS EXPLAINED PT.2 :Time constants     EA APR84 P74 

 COMPUTER POWER BY TELEPHONE                EA  MAY82 P090 
 DELUXE CAR BURGLAR ALARM                   EA MAY84 P046 
 STRESS MONITOR                             EA MAY84 P060 
 A VERSATILE LCR BRIDGE : PT3               EA MAY84 P074 
 OP AMPS EXPLAINED : PT3                    EA MAY84 P080 
 PROGRAMMABLE LIGHT CONTROLLER              EA MAY84 P090 
 TONE GENERATOR FOR SUPER-80 COMPUTER       EA MAY84 P072 
 FLUID LEVEL DETECTOR                       EA MAY84 P072 
 SIMPLE CAR NAVIGATION AID                  EA MAY84 P073 
 THE CAT COMPUTER                           EA MAY84 P022 
 SYDNEY'S TRAFFIC LIGHT SYSTEM              EA MAY84 P014 
 SOUND EFFECTS FOR MODEL TRAINS             EA MAR79 P046 
 MICROPROCESSOR CONTROL OF MODEL TRAINS     EA JUN78 P060 
 CREAT YOUR OWN SOUND EFFECTS               EA JUN78 P088 
 HIGH PERFORMANCE MODEL TRAIN CONTROLLER                          with INERTIA                             EA OCT78 P042 
 CRUISE CONTROL FOR CARS                    EA JUN84 P044 
 VHF AMATEUR TRANSCEIVER ( 2 METER )        EA JUN84 P058 
 MODS FOR THE FUNCTION GENERATOR :                                LOW COST DFM ADAPTOR                     EA JUN84 P068 
 NOISE SIMULATOR :MASKS IRRITATING SOUNDS   EA JUN84 P084 
 OP AMPS EXPLAINED PT.4 :DC COUPLING,                             DRIFT AND HIGH GAIN                      EA JUN84 P090 
 BUYING YOUR FIRST COMPUTER                 EA JUN84 P012 
 INTERSCAN :AUSTRALIAS LANDING SYSTEM       EA JULY84 P012 
 BUILD AN ANTIQUE SHORTWAVE RADI            EA JUL84 P052 

 2 METER VHF AMATEUR TRANSCEIVER PT.2       EA JUL84 P040 
 13.8V TRANSCEIVER POWER SUPPLY             EA JUL84 P062 
 HEAT CONTROLLERS :KEEP WARM,SAVE POWER     EA JUL84 P076 
 OP AMPS EXPLAINED PT.5 :DIFF AMPS & CMRR   EA JUL84 P092 
 CROWBAR PROTECTION FOR 13.8V SUPPLIES      EA JUL84 P072 
 BURGLAR ALARM REMINDER                     EA JUL84 P072 
 BI-COLOUR LED GIVES VARYING HUE            EA JUL84 P072 
 WIRELESS LINK FOR MUSICAL KEYBOARD         EA JUL84 P072 
 FUSE FAILURE INDICATOR                     EA JUL84 P073 
 USING COMPUVOICE WITH THE VIC-20           EA JUL84 P088 
 HYPERION PERSONAL COMPUTER                 EA JUL84 P127 
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