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- 641 THE AMAZING CYLINDRABOLA 4 276 54
- 641 MICROWAVE ANTENNA 4 265 50
- 642 GASFET BIASING 1 6810 59
- 642 10 GHZ ULTRA STABLE OSCILLATOR 3 1606 57
- 643 EASY TO BUILD RCV CONVERTER AND TEST EQP 1 6703 11
- 643 INTERDIGITAL MIXER FOR 3.4 GHZ 1 6805 77
- 643 CHEAP MICROWAVE RECEPTION 4 283 42
- 643 REPRINT OF ZS6AXT MICROWAVE ALIGNMENT PR 5 20 5
- 645 10 GHZ ATV-THE EASY WAY 2 4007 62
- 650 TRANSMITTER KEYING INTERFACE 1 6605 37
- 650 CW WAVE SHAPING CIRCUIT FOR TS-820S 1 6802 46
- 650 DIGITAL CMOS IAMBIC KEYER 1 6606 26
- 650 KEYER PADDLE CONTRUCTION IDEAS 1 6805 44
- 650 NOISE MAKER FOR LEARNING CODE 1 6710 30
- 650 CW FILTER AND ENHANCER 1 6604 33
- 650 CW ON A CHIP 1 6712 16
- 650 HOMEMADE KEYER PADDLE 1 6805 43
- 650 CHEAP IAMBIC PADDLE 1 6610 33
- 650 K6BSU TOUCH KEYER 1 6607 17
- 650 TUNABLE FILTER FOR CODE*STAR CODE READER 1 6712 42
- 650 TORSION BAR KEYER 1 6612 22
- 650 KEYBOARD KEYER AND CODE PRACTICE SYSTEM 1 6802 13
- 650 ERROR FREE MORSE CODE 2 3903 58
- 650 IMPROVE VIBROPLEX EK-1 2 4010 13
- 650 HOMEBREW ASCII KEYBOARD CONTROLLER 2 3801 22
- 650 THRESHOLD GATE-CW ACCESSORY 2 3906 54
- 650 BAND AID FOR KEYER POLARITY 2 3902 89
- 650 MORSE TIME SYNTHESIS 3 1604 16
- 650 BETTER MEMORY CW IDENTIFIER 3 1502 24
- 650 READOUT FOR DELUXE MEMORY KEYER 3 1504 50
- 650 EASIER APPROACH TO MORSE KEYBOARD 3 1704 80
- 650 LOW POWER KEYER AND INTERFACE 3 1602 68
- 650 PRECISION SPEED CONTROL FOR BILLBOARD KE 4 275 26
- 650 QRP KEYER FOR MISERS 4 274 58
- 650 CHEAP KEYER 4 266 104
- 650 EASY FIFO KEYBOARD 4 274 64
- 650 USING CASSETTE RECORDER AS MESSAGE KEYER 4 274 50
- 650 BILLBOARD KEYBOARD KEYER 4 274 44
- 650 NON SLIP CW KEYER 4 274 48
- 650 3 PIECE CPO 4 262 46
- 650 WPM DISPLAY FOR HEATH 1410 4 266 102
- 650 CW KEYBOARD 4 278 20
- 650 ROMLESS RAMLESS CQ SENDER 4 274 90
- 650 CW INTERFACE CIRCUIT 4 257 104
- 650 AIR FORCE CW 4 262 72
- 650 CODE TRAINER 4 274 12
- 650 KEYER W/SPEED READOUT 4 262 60
- 650 TACTILE TRANSDUCER FOR CW 5 8 11
- 650 TWO EXPERIMENTAL KEYERS 5 7 7
- 660 FIBERGLASS POLES FOR ANTENNAS 1 6703 41
- 660 ANTENNA SWITCHING 1 6806 42
- 660 EASY TO MAKE CONNECTORS FOR 1/2" HARDWAR 1 6803 44
- 660 AUTOMATIC ANTENNA DISCONNECTOR 2 4004 44
- 660 ANTENNA HINGE 3 1608 70
- 660 KNOT GUIDE 4 265 78
- 670 HOW TO BUY AND USE SURPLUS PARTS 3 1708 32
- 670 R-109 ARMY SURPLUS FOR 10 MTRS 4 285 70
- 670 USED GEAR BONANZA 4 258 88
- 680 MOBILE ANTENNA MATCHING-AUTOMATICALLY 1 6610 15
- 680 MOBILE CONSOLE 1 6704 38
- 680 FLEXIBLE MOBILE ANTENNA MOUNT 1 6709 38
- 680 GROUNDING MOBILE INSTALLATION 1 6704 37
- 680 ALTERNATOR WHINE FILTER 1 6602 49
- 680 POCKET MAG MOUNT 1 6601 48
- 680 A SIMPLE HEADLIGHT REMINDER 2 3801 32
- 680 MOBILE CW 2 4004 80
- 680 MOBILE POWER SUPPLIES 4 284 56
- 680 TRADE SECRETS OF MOBILE INSTALLATIONS 4 280 64
- 680 BEST WAY TO MOUNT MOBILE RIG 4 271 64
- 680 4 BAND MOBILE ANTENNA 4 283 56
- 680 MOBILE SWL CONVERTER 4 269 70
- 680 MOBILE RIG WHINE 4 271 30
- 680 MOBILE AUTODIALER 4 271 20
- 680 TROUBLESHOOTING MOBILE NOISE 4 269 88
- 680 LAND MOBILE COMMUNICATION ENGR REVIEW 5 31 11
- 684 20 METER MOBILE VERTICAL 3 1605 26
- 685 QUICK AND EASY 15 MTR MOBILE ANTENNA 2 4004 58
- 686 10 MTR ANTENNA FOR MARITIME MOBILE 2 3801 62
- 687 USING CAR ANTENNA FOR 2 MTRS 1 6810 40
- 690 BEGINNER'S LOOK AT BASIC OSCILLATORS 1 6802 35
- 690 ABOUT RUBBERING CRYSTALS 1 6706 41
- 690 FRANKLIN VFO-WITH JFETS 2 3801 58
- 690 VFO'S TUNED BY CYLINDER AND DISC 3 1602 58
- 690 WIDEBAND VCO DESIGN 3 1707 49
- 690 PHANTOM COIL VXO 3 1501 66
- 690 THE FUN OSCILLATOR-QRP 4 257 12
- 690 BUILD DIGITAL VFO 4 261 12
- 690 MULTIMODE FM-ABLE VX0 5 4 2
- 697 SIX METER VFO 4 278 48
- 699 BATTERY POWERED 30 MTR VFO 1 6805 35
- 700 INEXPENSIVE CTCSS TONE GENERATOR 1 6701 45
- 700 WIDE RANGE VARIABLE AUDIO OSCILLATOR 1 6706 23
- 700 AUDIO AMP WITH AGC 1 6704 29
- 700 OUTBOARD VOLUME CONTROL 2 3903 44
- 700 OUTBOARD VOLUME CONTROL 2 3901 58
- 700 SMART SQUELCH 3 1606 37
- 700 PROGRAMMABLE PL TONE GENERATOR 3 1704 67
- 700 TWO TONE GENERATOR 3 1506 32
- 700 AUDIO AGC 3 1709 24
- 700 FOUR TONE AUDIO OSCILLATOR 4 269 20
- 700 TWO TONE AUDIO GENERATOR 4 282 84
- 700 VARIABLE FREQ NOTCH PLUS PEAKER 4 278 14
- 700 NASA AUDIO BEEPER 4 282 88
- 700 AUDIO PREAMP 4 267 122
- 700 AUDIO PHASE SHIFT OSCILLATOR 4 277 54
- 700 TWO TONE SCANNER SQUELCH 4 278 84
- 700 TWO DIGIT DTMF DECODER 4 277 86
- 700 AUDIO SQUELCH TAIL DELAY 4 267 14
- 700 ONE CHIP AUDIO AMP 4 266 90
- 701 AMPLIFIER FOR RC ACTIVE CW FILTER 1 6802 47
- 710 UNIVERSAL RTTY CURRENT LOOP INTERFACE 1 6802 17
- 710 PASSIVE RTTY SCOPE ADAPTER 1 6808 36
- 710 RS232C 1 6804 77
- 710 DIVERSITY COMBINER FOR RTTY RECEPTION 1 6609 42
- 710 LOW COST, MODULAR APPROACH TO RTTY 1 6708 16
- 710 RTTY SPEED AND CODE CONVERTER PT 2 1 6602 26
- 710 RTTY SPEED AND CODE CONVERTER PT 1 1 6601 18
- 710 MODEL 15 STILL LIVES! 2 3911 75
- 710 HOW TO TUNE IN RTTY SIGNALS 2 3911 78
- 710 COMPLETE TRS80 RTTY SYSTEM 2 3811 103
- 710 RTTY OSCILLOSCOPE MONITOR 2 3911 72
- 710 GETTING STARTED IN RTTY 2 3911 58
- 710 XY DISPLAY FOR CW AND RTTY TU SIGNALS 2 3911 42
- 710 MODEM TONES-WHAT THEY MEAN 2 3811 42
- 710 HP-IL SERIAL LOOP 3 1704 101
- 710 USING RTTY 100%DUTY CYCLE W/TRIBANDER 4 264 32
- 710 RTTY ARTWORK 4 276 28
- 710 $200 RTTY SYSTEM 4 264 24
- 710 RTTY TUNING INDICATOR 4 270 10
- 710 RTTY ART STORAGE BY COMPUTER 5 8 6
- 710 BIBLIOGRAPHY ON MINUMUM SHIFT KEYING 5 14 4
- 710 RTTY SEND PGM & INTERFACE ZX81 5 11 3
- 710 FSK VS AFSK 6 3103 N/A
- 710 AEA AND VIC 20 ON RTTY 6 3110 12
- 710 RTTY JOURNAL INDEX 1981 TO 1983 6 3201 15
- 710 VIC 20 RTTY INTERFACE 6 3103 N/A
- 710 RTTY OPERATION W/DRAKE EQUIPMENT 6 3108 N/A
- 710 AFSK KEYERS THEORY AND APPLICATION 6 3104 12
- 710 45 BAUD TRS80 RS232 BOARD 6 3109 N/A
- 710 THE DOVETRON AT HIGHER BAUD RATE 6 3109 N/A
- 710 ADAPTING MODERN XCVRS TO FSK 6 3206 17
- 710 MSO'S #7 6 3206 8
- 711 EGBERT RTTY PGM 1 6606 49
- 711 MORSE CODE SYSTEM FOR VIC 20 1 6810 11
- 711 RTTY AND THE ATARI COMPUTER 3 1607 36
- 711 COMPLETE RTTY FOR THE TIMEX 5 31 3
- 711 RTTY SERIES FOR HEATH\ZENITH 6 3207 6
- 711 USING KAYPRO II ON RTTY 6 3208 8
- 713 RTTY MODEM W/FSK RTTY 1 6809 38
- 713 PROGRAMMABLE SERIAL-COMMUNICATIONS INTER 1 6609 18
- 713 BUILD AN AMATEUR RADIO MODEM 1 6710 32
- 713 INTERFACING EXISTING OLD TU'S TO COMPUTE 2 3911 48
- 713 TU FOR COMMODORE COMPUTERS 2 3911 44
- 713 RS232 TO TTL INTERFACE 3 1511 70
- 713 RTTY TU DESIGNED FOR COMPUTERS 4 264 10
- 713 TIMEX/SINCLAIR RTTY TU 4 288 38
- 713 TU, PGM, AND MODEM FOR COLOR COMPUTER 4 276 58
- 713 VARIABLE SHIFT TU 4 283 70
- 713 SIMPLE AFSK GENERATOR 4 288 102
- 713 DATA AND CLOCK MODEM DCM-1 5 4 3
- 713 IR-1000 ON AMTOR 6 3206 3
- 713 RTTY RU CKT FOR SINCLAIR 6 3204 N/A
- 716 GRAPHICS ON RTTY 1 6709 11
- 716 OPERATING WITH AMTOR 1 6707 40
- 716 AMTOR CONTROVERSY 1 6712 49
- 716 AUTO RESPONSE QSO'S ON RTTY 1 6608 62
- 716 AN INTRODUCTION TO AMTOR 1 6707 11
- 716 Z-AMTOR:AN ADVANCED AMTOR CONVERTER 1 6802 25
- 716 RTTY BIT PATTERN ANALYSIS 1 6807 20
- 716 NEW TRENDS IN RTTY 2 3905 71
- 716 AMTOR-A HANDS ON PRIMER 2 3911 37
- 716 AMTOR OPERATING PROCEDURES 4 287 62
- 716 USING RTTY MAILBOXES 4 278 46
- 716 ELECTRONIC MAILBOXES 4 271 44
- 716 VHF MAILBOXES 4 272 48
- 716 AMTOR IN AUSTRALIA 5 26 9
- 716 AMTOR-CONTINUED 6 3207 3
- 716 MSO'S PT 2 6 3201 4
- 716 MSO PT 9 6 3208 7
- 716 MSO'S PT 6 6 3205 10
- 716 AMTOR-AN IMPROVED ERROR FREE RTTY SYSTEM 6 3105 N/A
- 716 MSO'S PT 3 6 3202 N/A
- 716 AMTOR CONTINUED 6 3208 14
- 716 OPERATING TECHNIQUES PECULIAR TO AMTOR 6 3108 N/A
- 716 MSO'S PT 5 6 3204 N/A
- 716 MSO'S #8 6 3207 10
- 716 MSO'S PT 1 6 3110 6
- 716 PARALLEL LINE PRINTER INTERFACE 6 3208 10
- 716 AMTOR-HANDS ON PRIMER 6 3206 3
- 716 MSO'S PT 4 6 3203 8
- 717 SERIAL ASCII/BAUDOT GENERATOR 1 6707 20
- 717 DIGITAL CODES DECIPHERS 1 6703 62
- 717 THE CASE FOR 45 BAUD ASCII 6 3102 N/A
- 720 COMPUTERIZED ATV 1 6804 44
- 720 SLOW SCAN TV WITH A DIFFERENCT 2 3809 36
- 720 SINGLE FRAME COLOR 2 3812 110
- 720 SINGLE FRAME COLOR 2 3901 98
- 720 FUTURE VIDEO, MODEL 400 MODS 2 3810 74
- 720 HOLOGRAPHIC VIDEO 2 3805 50
- 720 THE NEW SCAN CONVERTERS 2 3811 74
- 720 SSTV BASICS 2 3808 98
- 720 HOLOGRAPHICS 2 3809 54
- 720 CRT CHARACTER ENHANCER 3 1508 66
- 720 INEXPENSIVE VIDEO MONITOR 3 1604 12
- 721 LINEAR AMPS FOR ATV 1 6608 24
- 721 500 KHZ ATV BANDWIDTH PROPOSED 4 268 32
- 721 ATV CONVERTER 4 258 20
- 722 SLOW SCAN COLOR TV SYSTEM 1 6606 15
- 722 HIGH RESOLUTION SSTV 1 6708 11
- 722 SSTV TODAY 1 6706 11
- 722 GETTING SET UP ON SSTV 2 4007 80
- 722 APPLYING MICROCOMPUTERS TO SSTV 3 1506 20
- 722 SSTV BAR GENERATORS 4 281 60
- 722 SSTV PICTURE PRESERVATION 4 275 38
- 730 POWER SUPPLIES FROM OLD BATTERY CHARGERS 1 6712 42
- 730 MOBILE POWER SUPPLY FOR 2 MTR HT 1 6602 50
- 730 POWER SUPPLY FOR FM PORTABLES 1 6803 17
- 730 AMATEUR USE OF SOLAR POWER-PT 1 1 6610 11
- 730 TRIPLE MODE POWER SUPPLY 1 6709 37
- 730 BATTERY LOW VOLTAGE INDICATOR 1 6708 33
- 730 PS5-5A PORTABLE POWER SUPPLY 1 6706 19
- 730 AMATEUR USE OF SOLAR ELECTRIC POWER 1 6611 30
- 730 BUILD AA4PZ POWER CHARGER 1 6612 17
- 730 GENERATOR TESTING 1 6603 38
- 730 OVERVOLTAGE PROTECTION FOR 13.8V SUPPLIE 1 6710 37
- 730 NI CAD PANDEMONIUM 1 6603 32
- 730 IMPROVEMENTS AA6PZ POWER CHARGER 1 6709 45
- 730 LOW VOLTAGE POWER SUPPLY 2 3903 40
- 730 SAVING MONEY ON HI VOLTAGE POWER SUPPLIE 2 3804 39
- 730 CIG LIGHTER UTILITY BOX FOR HT'S 2 4007 44
- 730 CHEAP POWER SUPPLY CHARGER FOR IC2A 2 3807 18
- 730 DC TO DC CONVERTER FOR HT 2 3907 24
- 730 HEAVY DUTY POWER SUPPLY 2 3901 36
- 730 LIVING W/LEAD ACID BATTERY 2 3909 66
- 730 POWER SUPPLY FOR GASFETS 3 1511 18
- 730 BATTERY CHARGE SENSOR 3 1512 54
- 730 PRECISION BATTERY VOLT MONITOR FOR HT'S 3 1509 78
- 730 NICAD BATTERY MYTHS 3 1601 62
- 730 SWITCHING HIGHVOLTAGE POWER SUPPLY 3 1704 48
- 730 FAIL SAFE AMPLIFIER POWER SUPPLY 3 1609 32
- 730 BIG AMPLIFIER POWER SUPPLY 3 1506 64
- 730 PHOTOVOLTAIC CELLS-A PROGRESS REPORT 3 1612 52
- 730 DUAL VOLTAGE POWER SUPPLY 3 1603 32
- 730 6 OUTPUT POWER SUPPLY 3 1710 12
- 730 NICAD AUTO CHARGER 4 271 38
- 730 CHEAP 12 VOLT MODERATE CURRENT PS 4 287 10
- 730 INTELLIGENT NICAD DISCHARGER 4 286 36
- 730 WET BATTERY QUIZ 4 282 92
- 730 18KV WITH NO TRANSFORMER 4 275 94
- 730 HT CHARGER AND ACCESSORY BOX 4 266 26
- 730 BUILD CUSTOMIZED POWER SUPPLY 4 275 8
- 730 -12 VOLTS FROM 5 VOLT SUPPLY 4 283 14
- 730 SECRETS OF NICADS 4 280 88
- 730 CHEAP 12 V POWER SUPPLY 4 266 56
- 730 INTELLIGENT BATTERY CHARGING CIRCUIT 4 279 86
- 730 KA1QZ POWER SUPPLE 4 278 10
- 730 NICAD REPLACEMENT PS IN CAR 4 271 40
- 730 POWER SUPPLY THEORY 4 279 21
- 730 BATTERY MONITOR 4 275 48
- 730 PROTECT PASS TRANSISTORS-CROWBAR 4 265 76
- 730 VOLTAGE QUADRUPLER 4 269 84
- 730 FIELD DAY GENERATOR 4 271 12
- 730 REDUCING SPEED OF INTERNAL COOLING UNITS 5 27 2
- 740 SEQUENTIAL PAGING DECODER 1 6805 31
- 740 DIGIPEATER 1 6703 71
- 740 MICROCOMPUTER REPEATER CONTROLLER 1 6712 26
- 740 DTMF CONTROLLER WITH SECURITY 1 6711 16
- 740 THE INSTANT REPEATER 2 3903 20
- 740 MICROPROCESSOR REPEATER CONTROLLER 3 1604 56
- 740 SYNTHESIZED TIME ID FOR REPEATER 3 1511 42
- 740 REPEATER CONTROLLER 3 1503 12
- 740 SPEECH SYNTHESIS FOR REPEATERS 3 1703 78
- 740 REPEATER S METER 4 280 28
- 740 REPEATER EMERGENCY ALARM 4 268 24
- 740 REPEATER COVERAGE 4 267 36
- 740 MULTIFUNCTION ID'ER 4 288 22
- 740 REPEATER CONTROLLER 4 285 42
- 740 REPEATER CONTROLLER 4 279 100
- 740 REPEATER CONTROL SYSTEM 4 269 32
- 740 REPEATER TALKING TIME 4 256 116
- 740 REPEATER COR DESIGN FOR NO MAINT OPERATI 4 275 24
- 740 THE PORTA-PEATER 4 258 12
- 740 GB3US MICROPROCESS LOGIC SYSTEM PT 1 5 27 8
- 740 GB3US RPTR LOGI SYS PT 2 5 28 5
- 740 STATE MACHINE ALGORITHYM 5 2 2
- 750 USING TV FOR FREQ STANDARD 1 6708 30
- 750 USING TV STATIONS FOR FREQ ACCURACY 1 6711 60
- 750 AUDIBLE FREQUENCY READOUT 1 6709 19
- 750 $50 FREQ COUNTER 3 1710 41
- 750 FREQENCY COUNTERS PT 2 4 288 8
- 750 COUNTER DESIGN PART 2 4 264 38
- 750 VK8DE FREQ COUNTER 4 281 22
- 750 COUNTER DESIGN PT 1 4 263 100
- 750 SIMPLE FREQ COUNTER 4 285 10
- 760 GROUND EFFECT ON DIPOLE WAVELENGTH 1 6710 47
- 760 CURRENT DISTRIBUTION OF DIPOLES 1 6810 42
- 760 NOVICE-DIPOLE ANTENNAS PT II 2 3906 48
- 760 OPEN SLEEVE DIPOLE 2 3908 13
- 760 NOVICE-DIPOLE ANTENNAS 2 3907 89
- 760 NOVICE-DIPOLE ANTENNAS PT I 2 3905 108
- 760 DIPOLE ANTENNA OVER SLOPING GROUND 3 1505 18
- 760 STAGGER-TUNED DIPOLS FOR INCREASE BANDWI 3 1605 22
- 760 TERMINATED FOLDED DIPOLE 4 284 26
- 760 MULTIPLE DIPOLES 4 284 60
- 770 KC2DR AUDIO FILTER 1 6607 28
- 770 1200/2400 AUDIO BANDPASS FILTER 1 6607 43
- 770 AUDIO FILTER WITH PIZZAZZ 1 6602 18
- 770 75 AND 300 OHM HIGH PASS FILTERS 1 6602 30
- 770 STANDARD VAL FILTER DESIGNS 1 6802 49
- 770 TUNABLE CW FILTER 1 6710 14
- 770 LOW COST ACTIVE AUDIO FILTER 1 6605 36
- 770 SWITCHED-CAPACITOR FILTERS 1 6803 19
- 770 HIGH PASS FILTERS FOR RCV APPLICATIONS 1 6710 17
- 770 ELECTRO ACOUSTIC CW FILTER 1 6704 35
- 770 DESIGN OF CRYSTAL LADDER FILTERS 1 6605 21
- 770 DIG SWITCHED CAP AUDIO FILTER 1 6807 11
- 770 FILTER SYSTEMS FOR MULTITRANSMITTER STAT 1 6707 28
- 770 88 MH INDUCTORS-A TRAP 1 6701 38
- 770 DIGITAL AUDIO FILTER FOR CW AND RTTY 3 1608 60
- 770 VHF/UHF FILTERS 3 1708 112
- 770 AUDIO FILTER BUILDING BLOCKS 3 1607 74
- 770 GRAPHIC FILTER DESIGN 3 1704 37
- 770 CRYSTAL LADDER FILTERS 3 1502 40
- 770 PEAKED LOWPASS-ULTRASHERICAL FILTER 3 1706 96
- 770 BRIDGED T FILTERS FOR AMATUER USE 3 1510 51
- 770 ELLIPTIC LOWPASS AUDIO FILTER DESIGN 3 1702 20
- 770 AUDIO FILTER 4 266 32
- 770 Q MASTER CAVITY FILTER 4 270 74
- 770 LOW PASS SPEECH FILTER USING SURPLUS IND 5 16 10
- 770 144/220 MHZ BANDPASS FILTER 5 25 7
- 780 W8JK ANTENNA-RECAP AND UPDATE 1 6606 11
- 780 SOME PRACTICAL ANTENNA CONSIDERATIONS 1 6802 30
- 780 WIRE ANTENNAS FOR THE BEGINNER 1 6706 33
- 780 CAGE ANTENNAS 1 6711 61
- 780 J ANTENNA IMPROVEMENTS 1 6802 48
- 780 GETTING THE MOST OUT OF YOUR ANTENNA 1 6707 34
- 780 J2 ANTENNA FOR 10 AND 24 MHZ 1 6703 41
- 780 BOOM EXCITED BEAM ANTENNA 1 6708 15
- 780 OTHER BANDS FOR THE JF ARRAY 1 6704 39
- 780 KEEPING BIRDS OFF ANTENNAS 1 6807 44
- 780 BUILDING AND USING 30 MTR ANTENNAS 1 6710 27
- 780 ELECTRICAL ANTENNA NULL STEERING 1 6610 28
- 780 EFFECT OF SUPPORT STRUCT ON WIRE ANTENNA 1 6612 32
- 780 LOW COST ANTENNA WIRE 1 6706 39
- 780 HI GAIN XRAY ANTENNA 1 6810 41
- 780 JF ARRAY 1 6611 26
- 780 THE WINDOM J-L 1 6802 37
- 780 ACTIVE ANTENNAS 2 3812 20
- 780 3.5-30 DISCAGE ANTENNA 2 4004 18
- 780 TRAVELING WAVE ANTENNAS 2 4004 32
- 780 REAL ESTATE EFFICIENT ANT FARM PT 11 2 4009 80
- 780 12 FOOT SUPER ANT FOR 20/15/10 2 3804 35
- 780 HOW TO GUIDE WIRE ANTENNA UP 70 FEET 2 4004 68
- 780 LONG WIRE ANTENNAS 2 3808 13
- 780 ZIMBEAM PHASED BEAM ANTENNAS 2 4004 40
- 780 DESIGN EFFICIENT ANTENNA FARM PT 1 2 4008 44
- 780 SINGLE ELEMENT OMNI DIR BOBTAIL 2 4008 108
- 780 HI FREQ DUMMY LOAD 3 1706 64
- 780 ANTENNA GEOMETRY FOR OPTIMUM PERFORMANCE 3 1505 60
- 780 HIGH PERFORMANCE CAPACITY LOADED DIPOLE 3 1705 33
- 780 EQUATIONS FOR ANTENNA PARAMETERS 3 1503 40
- 780 REPEATER ANTENNA BEAM TILTING 3 1605 29
- 780 OPEN WIRE CENTER FED ZEPP 3 1501 44
- 780 ANTENNA PERFORMANCE PARAMETERS 3 1705 110
- 780 END FED 8JK 3 1705 81
- 780 ALL BAND ACTIVE ANTENNA 4 265 44
- 780 GETTING ANTENNA WIRES IN TREES 4 277 58
- 780 J POLE 4 264 84
- 780 HOW TO CHECK YOUR TRANSMISSION LOBES 4 275 56
- 780 USING TREES FOR ANTENNAS SUPPORTS 4 277 50
- 780 ANTENNA REFINISHING 4 272 70
- 780 END FED 1/2 WAVE ZEPP 4 260 96
- 780 CAMPBELL J 4 265 60
- 780 CHEAP, MODIFIED ZEPP 4 281 10
- 780 MODIFICATION OF TURNSTILE ANTENNA 5 27 4
- 780 THOUGHTS ON ANTENNA DESIGN 5 30 4
- 782 ANTENNA SYSTEM FOR NEW NOVICE-80 MTRS 1 6803 37
- 783 CCD 40 MTR ANTENNA 4 260 40
- 785 3 EXPERIMENTAL ANTENNAS FOR 15 MTRS 2 3901 44
- 787 2 MTR J BEAM W/TRIGONAL REFLECTOR 1 6608 46
- 787 300 OHM RIBBON J ANTENNA FOR 2 MTRS 1 6604 43
- 787 6 MTR JAPANESE HENTENNA 1 6602 16
- 787 BUILD TIMELESS J ANTENNA 1 6611 40
- 787 2 MTR J POLE 2 3908 38
- 787 TURNSTYLER-CIRC POLARIZED 2 MTR ANTENNA 2 3911 66
- 787 2 MTR BAZOOKA 4 267 32
- 790 GETTING INTO AMATEUR RADIO PT 1 1 6802 22
- 790 POWER VS ENERGY 1 6604 47
- 790 BEGINNER'S LOOK AT DIGITAL ELECTRONICS 1 6705 31
- 790 MERITS OF FM VS SSB 1 6602 52
- 790 HOW RCVRS WORK PT 10 1 6810 30
- 790 BASIC TRANSISTOR THEORY 1 6808 39
- 790 CALCULATION SYSTEM NOISE TEMPS 1 6601 80
- 790 ANTENNA IMPEDANCES 1 6703 17
- 790 EQUATIONS FOR Z OF COUPLED ANTENNAS 1 6804 51
- 790 UNDERSTANDING RESISTORS PART 3 1 6803 11
- 790 UNDERSTANDING AND USING AUDIO FILTERS 1 6704 45
- 790 UNDERSTANDING AND MEASURING COILS 1 6710 23
- 790 INDUCTANCE OF SPACE WOUND COILS 1 6809 41
- 790 HOW TO READ A SCHEMATIC PT 2 1 6802 19
- 790 TRANSISTOR INPUT AND OUTPUT CAPACITANCES 1 6705 42
- 790 RADIO ANTENNAS-HOW THEY OPERATE 1 6809 30
- 790 ELECTRONIC SWITCHING 1 6809 19
- 790 IMPEDANCE MATCHING A BRIEF REVIEW 3 1706 49
- 790 OPERATION UPGRADE PT 4-SEMICONDUCTORS 3 1502 32
- 790 OPERATION UPGRADE PT 11-MODULATION,AM 3 1511 58
- 790 WILKINSON HYBRIDS 3 1501 12
- 790 HF HYBRIDS- A SECOND LOOK 3 1610 80
- 790 OPERATION UPGRADE PT 6-CLASSES OF AMPS 3 1504 56
- 790 BRANCH LINE HYBRIDS PT 2 3 1705 93
- 790 THE HYBRID COUPLER 3 1506 36
- 790 THE HYBRID RING 3 1608 50
- 790 OPERATION UPGRADE PT 7-TRANSMITTER BASIC 3 1506 54
- 790 RESONANT CIRCUITS 3 1704 12
- 790 APPLIED YAGI ANT DSGN PT II 220 MHZ 3 1706 33
- 790 OPERATION UPGRADE PT 10-ANTENNAS 3 1510 60
- 790 OPERATION UPGRADE PT 8-RECEIVERS 3 1507 56
- 790 BRANCH LINE HYBRID PART I 3 1704 107
- 790 CAPACITIVELY COUPLED HYBRIDS 3 1603 70
- 790 FM MODULATION TUTORIAL 3 1709 38
- 790 OPERATION UPGRADE PT 5-OSCILLATORS 3 1503 56
- 790 APPLIED YAGI DESIGN PT I 3 1705 14
- 790 MAKING WAVESHAPES 3 1503 44
- 790 OP AMP FILTER DESIGN 4 283 102
- 790 SIMPLE PARABOLIC THEORY 4 284 52
- 790 SWITCH CIRCUIT DESIGN 4 282 54
- 790 THEORY OF DIODE VOLTMETERS AND APPS 5 23 7
- 790 DESIGN WIDE BAND RF QUADRATURE NETWORK 5 10 5
- 800 GETTING TO KNOW CAPACITORS 1 6804 37
- 800 CMOS PLL NOTES 1 6708 49
- 800 ANOTHER USE FOR THE 40673 DUAL GATE MOSF 1 6804 50
- 800 MOTOROLA MOC8100 OPTOCOUPLER 1 6802 45
- 800 SECOND LOOK AT MAGNETIC CORES 1 6806 15
- 800 MANUFACTURE AND USE OF RESISTORS 1 6711 23
- 800 HOMEMADE HIGH POWER TUNING CAPACITOR 1 6706 25
- 800 MICROPHONICS IN CAPACITORS 1 6806 42
- 800 SHAPES OF VARIABLE CAPACITOR PLATES 1 6810 27
- 800 DIODE PRIMER 1 6807 30
- 800 MOTOROLA 3 TERMINAL RECTIFIERS 1 6806 29
- 800 CPP1 CODE PRACTICE CHIP 2 3907 50
- 800 CONSTRUCTING AIR WOUND COILS 3 1708 37
- 800 GASFET PERFORMANCE AND PREAMP APPLICATIO 3 1603 38
- 800 STATIC ELECTRICITY AND MODERN IC'S 3 1703 33
- 800 STATIC ELECTRICITY EFFECT ON IC'S 3 1510 36
- 800 OP AMP TUTORIAL 4 281 62
- 800 HOW HOT IS TOO HOT FOR IC'S? 4 270 70
- 800 LEDS EXPLAINED 4 282 58
- 800 1001 USES FOR THE 9400 4 275 88
- 800 XICOR NOVRAM 5 7 4
- 810 HT IN SPACE 1 6808 14
- 810 SATELLITE XCVR ADAPTER 1 6709 15
- 810 GUIDE TO ASAT RULES 1 6610 56
- 810 GRAPHIC AZIMUTH AND ELEV CALCULATOR 3 1601 25
- 810 LOCATING ORBITING SATELLITES 3 1609 72
- 810 REAL TIME TRACKING ON PROG CALCULATOR 5 10 4
- 811 PHASE IIIB SPECIAL SERVICE CHANNELS 1 6705 49
- 811 AMSAT PHASE II SATELLITE 1 6704 49
- 811 LAST DAYS OF OSCAR 8 1 6805 48
- 811 MINIMUM 2 MTR SATELLITE XMTR 1 6705 19
- 811 FINDING OSCAR 10 1 6709 47
- 811 PROCESSING UOSATE 9 TELEMETRY 1 6808 23
- 811 OSCAR 10 PRIMER 2 4008 74
- 811 OSCAR 10 STATION SET UP 2 4009 74
- 811 WORK OSCAR 10 W/HT 3 1709 29
- 811 SURPLUS OSCAR EQUIPMENT 4 270 18
- 811 ARMCHAIR SATELLITE TRACKER 4 272 84
- 830 INVERTED L 1 6701 20
- 830 TOP FED VERTICAL FOR 1.8 MHZ 1 6709 25
- 830 COAXICAL INVERTED "L" 2 4008 72
- 830 CHART FOR 160 MTR COUNTERPOISE LENGTHS 2 3904 75
- 830 QUICK AND EASY 160 MTR ANTENNA 2 3801 54
- 830 UNCONVENTIONAL SLOPING L 2 3908 86
- 830 160 MTR VERTICAL ANTENNA 2 3904 46
- 830 SHORT 160 METER ANTENNAS 3 1707 88
- 830 K2GNC 160 TOP LOADED VERTICAL 3 1710 107
- 830 SUPER ANTENNAS FOR 160 4 260 12
- 831 T MATCH FOR 160 METERS 2 3812 60
- 831 SURPLUS 160 EQUIPMENT 4 278 40
- 840 THE PERSONAL COMPUTER PART 1 1 6711 11
- 840 VIC 20 KEYBOARD MODIFICATION 1 6804 50
- 840 THE PERSONAL COMPUTER PART 2 1 6712 32
- 840 MAGAZINE BIBLIOGRAPHY RBBS-PC 5 31 12
- 840 TRS80 K1 RELAY 5 5 8
- 841 NARROW BAND PASS FILTERS PGM 1 6705 23
- 841 BASIC DUPING 1 6612 74
- 841 KAYPRO COMPUTER RTTY SOFTWARE 1 6806 29
- 841 MINIMUFS FOR MOST COMPUTERS 1 6804 77
- 841 VHF/UHF PROPAGATION PGM 1 6707 32
- 841 RAK ELECTRONICS "VIC-MORSE" MORSE SOFTWA 1 6704 42
- 841 MINIMUF PROGRAM MODS 1 6705 43
- 841 *LOGPRO* DX'ERS LOG 1 6809 25
- 841 CONTEST PGM 1 6710 20
- 841 MINIMUF ERRORS ON POLAR PATHS 1 6710 48
- 841 MINIMUF REVISITED 1 6803 46
- 841 MINIMUF MUF PREDICTION PGM 1 6612 36
- 841 STRAIGHT KEY KEYER PGM 2 3902 54
- 841 LATITUDE AND LONGITUDE CALCULATION PGM 2 3908 82
- 841 REFLECTED POWER PGM 2 4010 78
- 841 MOON LOCATOR PGM 2 4007 28
- 841 COUNTY HUNTER PGM FOR IBM PC 2 4005 46
- 841 VIC 20 QUAD DESIGN PROGRAM 2 3912 99
- 841 RTTY AND IBM PC 2 3911 26
- 841 AEA-CONTEST SIMULATOR 2 4010 38
- 841 AEA-DOCTOR DX 2 4010 38
- 841 RESISTOR COLOR CODE PGM (TIMEX) 2 4009 20
- 841 MINIMUF PGMS FOR VARIOUS COMPUTERS 2 4004 109
- 841 TRS80 COLOR COMPUTER FOR RTTY 3 1606 62
- 841 VACACTOR OSCILLATOR DESIGN PGM 3 1707 51
- 841 APPLE GRAYLINE DIST/AZ, MUF/FOT 3 1708 81
- 841 INTERUPPT DRIVEN RTTY-APPLE 3 1709 72
- 841 MOON TRACKING BY COMPUTER 3 1703 38
- 841 UHF PREAMP DESIGN PGM 3 1510 28
- 841 TRS80 LOADED DIPOLE PGM 3 1604 52
- 841 C-64 SMITH CHART 3 1710 120
- 841 TRS80 CW PGM 4 262 64
- 841 TIMEX DIPOLE PGM 4 282 96
- 841 TRS80 DIRECTION FINDING PGM 4 267 76
- 841 VIC 20 CODE PRACTICE PGM 4 286 66
- 841 DRIVEN ELEMENT VERTICAL PGM 4 289 32
- 841 APPLE CW PGM 4 274 54
- 841 YAGI DESIGN PROGRAM 4 284 84
- 841 DX-1 PROPAGATION PGM-APPLE 4 288 84
- 841 CONTEST PGM 4 283 62
- 841 TRS80 DX PGM 4 279 77
- 841 PET BASIC CW PGM 4 274 56
- 841 TRS80 CONTEST DUPPER PGN 4 277 84
- 841 TRS80 PGM FOR NETS 4 278 62
- 841 APPLE AUDIO FILTER PGM 4 287 66
- 841 APPLE II CW PGM 4 266 84
- 841 PET BEAM HEADING PGM 4 265 46
- 841 TRS80 LOGBOOK PGM 4 278 58
- 841 PET CERTIFICATE HUNTER'S PGM 4 266 94
- 841 BASIC MSG HANDLING PGM 4 259 76
- 841 MUFPLOT-APPLE,C64 4 288 82
- 841 BASIC HAM INFO PGM 4 267 72
- 841 OSCAR TRACKING PGM 4 258 46
- 841 AEA-DOCTOR DX 4 289 82
- 841 ACTIVE FILTER DESIGN PGM 4 268 78
- 841 TRS80 RTTY RCV PGM 4 264 28
- 841 VIC 20 DX DATA PGM 4 281 69
- 841 VIC 20 CODE PGM 4 285 38
- 841 QSL GENERATOR PGM 4 278 46
- 841 VIC 20 CODE TUTOR 4 275 14
- 841 PGM TO COMPARE RCVR SPECS FOR SENS AND R 4 278 36
- 841 APPLE RTTY PGM 4 265 34
- 841 GREAT CIRCLE BEARING AND DIST TO EACH ST 5 9 5
- 841 COAX LOSS PGM 5 29 8
- 841 MINIMUF NOTES 5 27 2
- 841 COMMODORE RESISTOR COLOR CODE PGM 5 24 8
- 841 COMPUTER SIMULATION OF HALF WAVE FILTER 5 2 5
- 841 SINCLAIR PGM FOR PI-L NETWORKS 5 25 2
- 841 SINCLAIR COMPUTERS FOR LOW COST DATA COM 5 25 5
- 841 COIL DESIGN IN BASIC 5 6 5
- 841 SIGNET-CKT DSGN PGM FOR IBM PC 5 25 11
- 841 COMPUTER RTTY IN BASIC 5 5 5
- 841 PI NET PROGRAM 5 22 5
- 841 TRS80 ASCII AND NONASCII FILE TRANSFER P 5 19 2
- 841 NETWORK Z AND INSERTION LOSS PGM 5 12 3
- 841 BV ENGINEERING-ENGINEERING PGMS 5 29 12
- 841 RTTY RECEPTION FOR ZX80 5 17 3
- 841 COAX ANTENNA TRAP (TIMEX) 5 30 8
- 841 PI NETWORK AND COIL DESIGN 5 4 7
- 841 CABLE ATTENUATION PGM CORRECTION 5 31 2
- 841 MINIMUF FOR IBM PC 5 21 7
- 841 ZX81 RTTY RCV PGM 5 14 6
- 841 THE LOGGER PT II 6 3208 3
- 841 RTTY PGM FOR TRS80/100 6 3202 N/A
- 841 TRS80 RECEPTION OF BAUDOT 6 3204 N/A
- 842 MICROPROCESSOR CONTROLLED CONTEST ACCESS 1 6604 16
- 842 3 CHIP MICROCOMPUTER 1 6608 19
- 844 NOVICE REFLECTIONS PACKET RADIO 1 6808 70
- 844 PACKET RADIO-A SOFTWARE APPROACH 1 6702 53
- 844 PACKET COMMUNICATIONS IN AMATEUR SVC 2 3811 36
- 844 PACKET RADIO: SOFTWARE APPROACH 3 1709 63
- 844 AMATEUR PACKET RADIO PT 2 3 1608 18
- 844 AMATEUR PACKET RADIO PT I 3 1607 14
- 844 PACKET RADIO PART II 4 277 20
- 844 FORWARD ERROR CORRECTION 4 275 44
- 844 PACKET RADIO PT III 4 280 36
- 844 PACKET RADIO PART I 4 276 8
- 844 OMNICOM-SEMINARS ON NETWORK STANDARDS 5 31 13
- 844 TERMINAL INTERFACE PGM 5 5 9
- 844 3RD PACKET RADIO CONF PAPERS 5 27 1
- 844 BIT ERROR RATE PERF OF TAPR TNC MODEM 5 18 3
- 844 PACKET METEOR SCATTER COMMUNICATIONS 5 22 3
- 844 HF NETWORKING 5 9 8
- 844 MODIFYING VADCG TNC TO USE 2716 EPROMS 5 12 8
- 844 PACKET RADIO REQUIREMENTS 5 14 3
- 844 SOLUTION TO POLL/FINAL PROBLEM 5 29 12
- 844 TERMINAL INTERFACE PGM 5 6 8
- 844 PACKET RADIO PT II 6 3104 6
- 844 PACKET RADIO PT II 6 3203 4
- 844 AN INTRO TO PACKET RADIO 6 3103 N/A
- 844 PACKET RADIO PT 1 6 3202 N/A
- 860 SPREAD SPECTRUM APPLICATIONS 1 6707 14
- 860 NOTES ON SPREAD SPECTRUM 1 6711 60
- 860 SPREAD SPECTRUM EXPERIMENTATION 2 3807 20
- 870 DIELECTRIC LOADING OF INSULATION ON SWR 1 6712 50
- 870 THOUGHTS ON WA2ANU SWR INDICATOR 1 6604 47
- 870 THE REALITY OF REFLECTED POWER 1 6702 52
- 870 REFLECTED POWER 1 6802 48
- 870 LINE LOSS AND SWR 1 6707 41
- 870 APPARENT VSWR 1 6602 51
- 870 SWR-HOW MUCH IS TOO MUCH 2 3802 18
- 870 SWR-HOW MUCH IS TOO MUCH 2 3801 11
- 880 ACTIVE HF SWITCH 1 6808 48
- 880 STEP ATTENUATOR 1 6609 11
- 880 LED S METER 4 286 24
- 880 VISUAL OVERMOD WARNING 4 265 10
- 880 SMART SQUELCH FOR SSB 4 263 44
- 880 CONSTANT CURRENT FM VOLTAGE REGULATOR 4 256 39
- 880 PEAK OUTPUT INDICATOR 4 263 54
- 880 TOUCH TUNE WITH THUMBWHEELS 4 256 110
- 880 WINDSHIELD WIPER CONTROL 4 256 40
- 890 PROTECT YOUR EQUIP FM POWER LINE TRANSIE 1 6602 35
- 890 CHECKING 117V GROUNDED POWER OUTLETS 1 6606 45
- 890 POWER INTERLOCK SAFETY 1 6802 49
- 890 SUPERFUSE-MULTIPLE FUSE ADAPTER 2 3810 54
- 890 OVER VOLTAGE WARNING DEVICE 2 3804 28
- 890 LIGHTNING AND ELECTRICAL TRANSIENT PROT 3 1612 73
- 890 ULTIMATE FUSE-AC OVERLOAD PROTECTION 4 263 52
- 890 LINE VOLTAGE AT A GLANCE 4 263 84
- 890 OVERVOLTAGE PROTECTION 4 266 74
- 890 SELF REPLACING FUSE 4 266 72
- 890 73 CENT VOLTAGE TRANSIENT DETECTOR 4 272 83
- 890 SURGE PROTECTOR ON POWER LINES 4 269 83
- 900 73 OM (SON TO FATHER) 1 6802 56
- 900 TECHNICAL WRITING FOR LEAGUE PUBLICATION 1 6802 35
- 900 OPERATING ON PITCAIRN ISLAND 1 6711 75
- 900 QST ABBREVIATION LIST 1 6802 53
- 900 GRID LOCATORS FOR SOUTH AMERICA 1 6710 53
- 900 LEYDEN JAR-HERTZ & MARCONI ANTENNAS 3 1710 25
- 900 NEGATIVE ION GENERATOR 4 262 52
- 910 SELECTABLE CW FILTERS FOR YAESU FT-901DM 1 6712 42
- 910 ELIMINATING KEY CLICKS IN YAESU FT-901DM 1 6802 47
- 910 10 MHZ OPERATION W/FT101 1 6809 39
- 910 30 MTRS TO FT901 2 3912 40
- 910 USING ICOM HEADSET W/YAESU HT 4 287 32
- 910 FT101 ON 30 MTRS 4 278 70
- 910 HAL 2100/YAESU FT ONE RTTY 6 3107 11
- 920 LEARNING TO WORK WITH IC'S 1 6608 29
- 920 SENDING CW-A DIGITAL APPROACH 3 1606 75
- 920 INSIDE A PHASE-FREQ DETECTOR 3 1509 28
- 920 2716 EPROM PROGRAMMER 3 1504 32
- 920 HAM GEAR CONTROLLER PT II 3 1511 25
- 920 DATA BANDWIDTHS COMPARED 3 1512 50
- 920 HAM GEAR CONTROLLER PT I 3 1510 12
- 920 DIGITAL BASICS PT 3 4 266 46
- 920 RAM CKT EMULATE EPROM 4 283 40
- 920 BRIDGING GAP BETWEEEN TTL & MICROPROCESS 4 256 68
- 920 HOW TO INTERFACE DIGITAL ICS 4 283 30
- 920 ERROR PROTECTION FOR DIGITAL TRANSMISSIO 4 269 64
- 920 DIGITAL BASICS PT 2 4 265 20
- 920 A TO D CONVERTERS 4 263 76
- 920 DIGITAL BASICS PART I 4 264 72
- 920 ERROR DETECTION BASICS 5 9 7
- 920 PROM PROGRAMMER/READER FOR 2708 2716 PRO 5 13 3
- 921 PRIMER ON LCD'S 2 3904 15
- 921 CARE AND FEEDING OF OPTOELECTRONICS 4 268 62
- 930 WEATHER SPOTTERS 1 6806 49
- 930 W1AW SCHEDULE 1 6810 71
- 930 SLOW SPEED NETS 2 4003 28
- 930 HOW TO WORK DX IN A PILE UP 2 4006 44
- 930 NOVICE:TERMS AND ABBREVIATIONS 2 4006 84
- 930 NOVICE BAND CODE NETS 2 3812 64
- 930 20 METER BEACON NETWORK 2 4003 66
- 930 DX'ERS LOG BOOK 2 3912 68
- 930 HOW TO HEAR AND WORK DX 2 3802 78
- 930 INS AND OUTS OF WORKING DX 2 3801 30
- 930 LISTENING IN ON 10 FM 3 1501 62
- 930 GOES RECEPTION-A SIMPLE APPROACH 3 1701 46
- 930 HOW TO ADD SPICE TO CW CONTACTS 4 276 34
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