An Index for Ham Radio Magazine

A Searchable Index of the old "Ham Radio" Magazine

"Ham Radio Magazine" was a periodical that ran for almost 22 years from 1968 to 1990. Use this indexed search to quickly find what you'd like to look at and then go purchase the scanned magazines (On CD, elsewhere, or occasionally from some generous download website) or look for the old paper magazine at used bookstores.

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Results by Category: 15 — miscellaneous technical

Article Author Page Issue Available to Buy?
Double-balanced mixersW1DTY48Mar 68 
TV sweep tubes in linear service, full-blast operation ofW6SAI, W6UOV9Apr 68 
Amateur anemometerW6GXN52Jun 68 
Solar activity, aspects ofK3CHP21Jun 68 
Converting wavelength to inches (HN)WA6SXC56Jun 68 
Current flow?, which way doesW2DXH34Jul 68 
Converting vacuum tube equipment to solid-stateW2EEY30Aug 68 
Three-phase motors (HN)W6HPH79Aug 68 
Amateur anemometerShort circuit34Aug 68 
Amateur Radio in Space - a bibliographyW6OLO60Aug 68 
Thermoelectric power suppliesK1AJE48Sep 68 
Wind direction indicator, digitalW6GXN14Sep 68 
Single-tuned interstage networks, designingK6ZGQ59Oct 68 
Amateur Radio in Space - a bibliographyAddenda77Oct 68 
Basic electronic unitsW2DXH18Oct 68 
Satellite picture transmission, recordingW6CCN6Nov 68 
Pi and pi-L networksW6SAI36Nov 68 
More electronic unitsW1EZT56Nov 68 
Ramp generatorsW6GXN56Dec 68 
QRP operationW7OE36Dec 68 
Gridded tubes, vhf-uhf effects inW6UOV8Jan 69 
Tuning, Current-controlledK2ZSQ38Jan 69 
Signal detection and communication in the presence of white noiseWB6IOM16Feb 69 
Noise figure, meaning ofK6MIO26Mar 69 
Safety in the ham shackDarr, James44Mar 69 
Grounding and wiringW1EZT44Jun 69 
Lighthouse tubes for uhfW6UOV27Jun 69 
Tetrodes, external-anodeW6SAI23Jun 69 
Glass semiconductorsW1EZT54Jul 69 
Bandpass filters, single-poleW6HPH51Sep 69 
Fm techniquesW6SAI8Sep 69 
Mismatched transmitter loads, affect ofW5JJ60Sep 69 
Radio communications linksW1EZT44Oct 69 
Operational amplifiersWB2EGZ6Nov 69 
Antennas and capture areaK6MIO42Nov 69 
Frequency synthesisWA5SKM42Dec 69 
MnemonicsW6NIF69Dec 69 
Graphical network solutionsW1NCK,W2CTK26Dec 69 
Rf power transistors, how to useWA7KRE8Jan 70 
Proportional temperature control for crystal ovensVE5FP44Jan 70 
Warning lights, increasing reliability ofW3NK40Feb 70 
Power supplies, survey of solid-stateW6GXN25Feb 70 
Double-balanced modulator, broadbandWA6NCT8Mar 70 
Earth currents (HN)W7OUI80Apr 70 
Clock, 24-hour digitalK4ALS51Apr 70 
Thermometer, electronicVK3ZNV30Apr 70 
Ground plowW1EZT64May 70 
Isotropic source and practical antennasK6FD32May 70 
Frequency multipliers, transistorW6AJF49Jun 70 
LED experimentsW4KAE6Jun 70 
Fm techniquesShort circuit79Jun 70 
Rf power-detecting devicesK6JYO28Jun 70 
Phase-shift networks, design criteria forG3NRW34Jun 70 
Hybrids and couplers, hfW2CTK57Jul 70 
Computer-aided circuit analysisK1ORV30Aug 70 
Clock, 24-hour digitalShort circuit76Sep 70 
Reactance problems, nomograph forW6NIF51Sep 70 
Neutralizing small-signal amplifiersWA4WDK40Sep 70 
Thyristors, introduction toWA7KRE54Oct 70 
Lunar-path nomographWA6NCT28Oct 70 
Ferrite beadsW5JJ48Oct 70 
Smith chart, how to useW1DTY16Nov 70 
Laser communicationsW4KAE28Nov 70 
Hybrids and couplers, hfShort circuit72Dec 70 
Resistors, frequency sensitive (HN)W8YFB54Dec 70 
Interference, rfW1DTY12Dec 70 
Intermittent voice operation of power tubesW6SAI24Jan 71 
Fire protectionDarr54Jan 71 
Bandpass filters for 50 and 144 MHz, etchedW5KHT6Feb 71 
Filter preamplifiers for 50 and 144 MHz, etchedW5KHT6Feb 71 
Rating tubes for linear amplifier serviceW6UOV, W6SAI50Mar 71 
Vacuum-tube amplifiers, tabulated characteristics ofW5JJ30Mar 71 
Transistor amplifiers, tabulated characteristics ofW5JJ30Mar 71 
Power, voltage and impedance nomographW2TQK32Apr 71 
Injection lasers (letter)Mims64Apr 71 
Coil-winding data, vhf and uhfK3SVC6Apr 71 
lnductors, how to use ferrite and powdered-iron forW6GXN15Apr 71 
Silver/silicone grease (HN)W6DDB63May 71 
Integrated circuits, part IW3FQJ40Jun 71 
Fire extinguishers (letter)W5PGG68Jul 71 
Integrated circuits, part IIW3FQJ58Jul 71 
Resistors, frequency sensitive (letter)W5UHV68Jul 71 
Fire protection (letter)K7QCM62Aug 71 
Mini-mobileK9UQN58Aug 71 
Frequency multipliersW6GXN6Aug 71 
Integrated circuits, part IIIW3FQJ50Aug 71 
Injection lasers, high powerMims28Sep 71 
Phase-locked loops, ICW3FQJ54Sep 71 
Printed-circuit boards, photofabrication ofHutchinson6Sep 71 
Frequency synchronization for scatter-mode propagationK2OVS26Sep 71 
Stress analysis of antenna systemsW2FZJ23Oct 71 
Pi networks, series-tunedW2EGH42Oct 71 
Phase-locked loops, IC, experiments withW3FQJ58Oct 71 
Resistor performance at high frequenciesK1ORV36Oct 71 
Radiotelegraph translator and transcriberW7CUU, K7KFA8Nov 71 
Smith chart, how to useCorrection76Dec 71 
Torolds, plug-in (HN)K8EEG60Jan 72 
Bypassing, rf, at uhfWB6BHI50Jan 72 
Microwaves, IntroductionW1CBY20Jan 72 
Infrared communications (letter)K2OAW65Jan 72 
Toroids, calculating inductance ofWB9FHC50Feb 72 
Alarm, wet basement (HN)W2EMF68Apr 72 
lnductors, how to use ferrite and powdered-iron forCorrection63May 72 
Freon danger (letter)WA5RTB63May 72 
Eliminating the matrixKH6AP60May 72 
Microwaves, getting started inRoubal53Jun 72 
Y parameters, using in rf amplifier designWA0TCU46Jul 72 
Power dividers and hybridsW1DAX30Aug 72 
Pi network designW6FFC6Sep 72 
Multi-function integrated circuitsW3FQJ46Oct 72 
Frequency synthesizer, high-frequencyK2BLA16Oct 72 
Fet biasingW3FQJ61Nov 72 
Satellite communications, first step toK1MTA52Nov 72 
Pulse-duration modulationW3FQJ65Nov 72 
Speech clippers, rf, performance ofG6XN26Nov 72 
Satellite signal polarizationKH6IJ6Dec 72 
Capacitors, oil-filled (HN)W2OLU66Dec 72 
Pi network inductors (letter)W7IV78Dec 72 
Networks, transmitter matchingW6FFC6Jan 73 
Noise bridge for impedance measurementsYA1GJM62Jan 73 
Communications receivers, designing for strong-signal performanceMoors6Feb 73 
Interference, rfWA3NFW30Mar 73 
Ferrite beads, how to useK1ORV34Mar 73 
Radio-frequency interferenceWA3NFW30Mar 73 
Satellite communications, first step toAdded notes (letter)73Apr 73 
Effective radiated power (HN)VE7CB72May 73 
Gamma-matching networks, how to designW7ITB46May 73 
Impedance-matching systems, designingW7CSD58Jul 73Issue Available
Standing-wave ratios, importance ofW2HB26Jul 73Issue Available
Batteries, selecting for portable equipmentWB0AIK40Aug 73 
Square roots, finding (HN)K9DHD67Sep 73 
Digital mixer, introductionWB8IFM42Dec 73 
Bandpass filter designK4KJ36Dec 73 
Heatsink problems, how to solveWA5SNZ46Jan 74 
L-networks, how to designW7LR26Feb 74 
Digital readout system, simplifiedW6OIS42Mar 74Issue Available
Square roots, finding (HN)Increased accuracy (letter)55Mar 74Issue Available
Lowpass filters for solid-state linear amplifiersWA0JYK38Mar 74Issue Available
Filters, active for direct-conversion receiversW7ZOI12Apr 74Issue Available
Broadband amplifier, wide-rangeW6GXN40Apr 74Issue Available
Programmable calculator simplifies antenna design (HN)W3DVO70May 74Issue Available
Standing-wave ratios, importance ofCorrection (letter)67May 74Issue Available
Local-oscillator waveform effects on spurious mixer responsesRobinson, Smith44Jun 74 
Radio observatory, vhfHam44Jul 74 
Solar energyW3FQJ54Jul 74 
Phase detector, harmonicW5TRS40Aug 74 
Wind loading on towers and antenna structures, how to calculateK4KJ16Aug 74 
Marine installations, amateur, on small boatsW3MR44Aug 74 
Antenna masts, design for pipeW3MR52Sep 74 
Power amplifiers, high-efficiency rfWB8LQK8Oct 74Issue Available
Harmonic output, how to predictUtne34Nov 74Issue Available
L-networks, how to designShort circuit62Dec 74 
Q factor, understandingW5JJ16Dec 74 
Lowpass filters for solid-state linear amplifiersShort circuit62Dec 74 
Programmable calculators, usingW3DVO40Mar 75Issue Available
Interference, hi-fi (HN)K6KA63Mar 75Issue Available
Broadband amplifier, bipolarWB4KSS58Apr 75Issue Available
Rf amplifier, widebandWB4KSS58Apr 75Issue Available
Antenna masts, design for pipeAdded design notes (letter)75May 75Issue Available
Interference, rf, its cause and cureG3LLL26Jun 75Issue Available
Wind loading on towers and antenna structures, how to calculateAdded note56Jul 75 
Radiation hazard, rfW1DTY4Sep 75Issue Available
Toroidal coil inductance (HN)W3WLX26Sep 75Issue Available
Trig functions on a pocket calculator (HN)W9ZTK60Nov 75Issue Available
Interference, rf (letter)G3LLL65Nov 75Issue Available
Radiation hazard, rfCorrection59Dec 75Issue Available
Microprocessors, introduction toWB4HYJ, Rony, Titus32Dec 75Issue Available
Bipolar-fet amplifiersW6HDM16Feb 76Issue Available
Digital clock, low-costWA6DYW26Feb 76Issue Available
White noise diodes, selecting (HN)W6DOB65Apr 76Issue Available
Toroid coils, 88-mH (HN)WA1NJG70Jun 76Issue Available
Interference, rf, coaxial connectors can generateW1DTY48Jun 76Issue Available
Staircase generator (C&T)W1DTY52Jun 76Issue Available
Tube shields (HN)W9KNI69Jul 76 
Wind generatorsW3FQJ24Jul 76 
Frequency synthesizers, how to designDJ2LR10Jul 76 
Electrical units: their derivation and historyWB6EYV30Aug 76Issue Available
Calculator, hand-held electronic, its function and useW4MB18Aug 76Issue Available
Calculator, hand-held electronic, solving problems with itW4MB34Sep 76Issue Available
Bipolar-fet amplifiersComments, Worcester76Sep 76Issue Available
RC active filters using op ampsW4YIB54Oct 76Issue Available
Frequency synthesizers, how to designShort circuit85Oct 76Issue Available
Rf autotransformers, widebandK4KJ10Nov 76 
Broadband amplifier uses mospower fetOxner32Dec 76Issue Available
Network, the ladderW2CHO48Dec 76Issue Available
Matching techniques, broadband, for transistor rf amplifiersWA7WHZ30Jan 77 
Safety circuit, pushbutton switch (HN)K3AFF, WA1FHB73Feb 77 
Bandspreading techniques for resonant circuitsAnderson46Feb 77 
LC circuit calculationsW2OUX68Feb 77 
Temperature sensor, remote (HN)WA1NJG72Feb 77 
24-hour clock, digitalWB6AFT44Mar 77Issue Available
Rf interference, suppression in telephonesK6LDZ79Mar 77Issue Available
Microwave rf generators, solid-stateW1HR10Apr 77Issue Available
Bandpass filters, top-coupledAnderson34Jun 77 
Frequency synthesizer sidebands, filter reduces (HN)K1PCT80Jun 77 
Admittance, impedance and circuit analysisAnderson76Aug 77 
Frequency counter as a synthesizerDJ2LR44Sep 77 
Pi network design and analysisW2HB30Sep 77 
Hydroelectric station, amateurK6WX50Sep 77 
Calculator-aided circuit analysisAnderson38Oct 77Issue Available
Contact bounce eliminators (letters)W7IV94Nov 77Issue Available
Synthesizer design (letters)WB2CPA94Nov 77Issue Available
Harmonic generator, crystal-controlledW1KNI66Nov 77Issue Available
Active bandpass filtersWB6GRZ49Dec 77 
Simple formula for microstrip impedance (HN)W1HR72Dec 77 
Bandspreading techniques for resonant circuitsShort circuit69Dec 77 
Pi network design and analysisShort circuit68Dec 77 
Pi network designAnderson, Leonard H.36Mar 78Issue Available
Matching networks, how to designAnderson, Leonard H.44Apr 78Issue Available
Gyrator: a synthetic inductorWB9ATW96Jun 78Issue Available
Rf chokes, performance above and below resonanceWA5SNZ40Jun 78Issue Available
RC active filters using op ampsComments, W6NRM102Jun 78Issue Available
Interference problems, how to solveON4UN93Jul 78Issue Available
Radio sounding systemKL7GLK42Jul 78Issue Available
Phase-locked loopsWB6FOC54Jul 78Issue Available
Electrolytic capacitors, re-forming the oxide layer (HN)K9MM99Jul 78Issue Available
TVI locatorW6BD23Aug 78 
Frequency-lock loopWA3ZKZ17Aug 78 
Hf synthesizer, higher resolution forN4ES34Aug 78 
Crystal filters, monolithicDK1AG28Nov 78Issue Available
Lightning protection for the amateur stationK9MM18Dec 78Issue Available
Quartz crystalsWB2EGZ37Feb 79Issue Available
RC active filters using op ampsShort circuit94Feb 79Issue Available
Active bandpass filtersShort circuit94Feb 79Issue Available
Field-strength meter and volt-ohmmeterWB6AFT70Feb 79Issue Available
Admittance, impedance and circuit analysisShort circuit94Feb 79Issue Available
Four-quadrant curve tracer/analyzerW1QXS46Feb 79Issue Available
Passive lumped constant 90-degree phase-difference networksK6ZV70Mar 79Issue Available
Pi network designComments Anderson, Leonard H.6Apr 79Issue Available
Impedance measurements using an SWR meterK4QF80Apr 79Issue Available
Noise bridge for impedance measurementsComments, W6BXI6May 79Issue Available
Impedance bridge measurement errors and correctionsK4KJ22May 79Issue Available
Talking digital readout for amateur transceiversN9KV58Jun 79Issue Available
Lightning protection for the amateur stationComments, W6RTK, WB2FBL6Jul 79Issue Available
Synthesizer system, simple (HN)AA7M78Jul 79Issue Available
Rf exposureWA2UMY26Sep 79Issue Available
Commutating filtersW6GXN54Sep 79Issue Available
Wideband amplifier summaryDJ2LR34Nov 79Issue Available
Rf radiation, environmental aspects ofK6YB24Dec 79Issue Available
Speed of light, observations on, through the metric systemW7ITB62Jan 80Issue Available
Air pressure, measuring across transmitting tubes (HN)W4PSJ89Jan 80Issue Available
Phase-shift network, 90-degree, offers 2:1 bandwidthK6ZV66Feb 80Issue Available
Plasma-diode experimentsStockman, Harry62Feb 80Issue Available
Talking clock (letter)N9KV75Feb 80Issue Available
Speed of light (letter)WB2AOT6Apr 80 
Earth anchors for guyed towersW5QJR60May 80Issue Available
Talking digital readout (letter)N5AF6May 80Issue Available
Ground systems, notes onK6WX26May 80Issue Available
Ni-cad battery charging (letter)W6NRM6Jul 80Issue Available
Inductance or capacitance, a method for measuring (HN)W2CHO68Jul 80Issue Available
Linear-amplifier cost efficiencyW8MFL60Jul 80Issue Available
VLF dip meter, no-adjust bias for (HN)WB3IDJ69Jul 80Issue Available
DSB generators, audio-driven (HN)W5TRS68Jul 80Issue Available
Variable-inductance variable frequency oscillatorsW0YBF50Jul 80Issue Available
Rotary-dial mechanism for digitally tuned transceiversK3CU14Jul 80Issue Available
Signal-strength, measuringW2YE20Aug 80Issue Available
Speed of light (letter)W4MLM6Aug 80Issue Available
Linear tuning, a fresh look at (HN)W2OLU74Aug 80Issue Available
Tubes, surplus (letter)W2JTP6Aug 80Issue Available
Solid-state amplifier switching (HN)WB2HTH75Aug 80Issue Available
Eimac 5CX1500A power pentode, notes onK9XI60Aug 80Issue Available
Frequency divider, diodeW5TRS54Aug 80Issue Available
Light-emitting diodes: theory and applicationWB6AFT12Aug 80Issue Available
Semiconductor curve tracing simplifiedW6HPH34Aug 80Issue Available
Navigational aid for small-boat operatorsW5TRS46Sep 80Issue Available
Optimum pi-network designDL9LX50Sep 80Issue Available
Tubes, surplus (letter)Sellati66Sep 80Issue Available
PCB "threat" (letter)VE5UK66Sep 80Issue Available
Speed of light (letter)KL6WU67Sep 80Issue Available
CW identifier, versatileWB2BWJ22Oct 80Issue Available
Crystal use locatorWA6SWR36Nov 80Issue Available
Q systemsW1IUZ6Nov 80Issue Available
T coupler, the (HN)K3NXU78Nov 80Issue Available
Battery charging (letter)Carlson6Nov 80Issue Available
Circuit figure of merit (letter)W2JTP6Dec 80Issue Available
Amplitude compandored sidebandWB6JNN48Dec 80Issue Available
Analog-to-digital display converter for the visually handicappedKB7JW44Jan 81Issue Available
Varactor tuning tips (HN)N3GN67Feb 81Issue Available
Hyperbolic navigation (letter)Burhans, Ralph W.6Feb 81Issue Available
Sorting and inventory of standard resistor values, computer program forWA6SWR66Jun 81Issue Available
Electrolytic capacitors (letter)WB8MKU6Jun 81Issue Available
Ac-line switching precautions (HN)W5PGG69Jul 81Issue Available
Super beep circuit for repeatersKP4AQI48Jul 81Issue Available
Instant balun (letter)W8MQW6Aug 81Issue Available
Rfi cures: avoiding side effectsWB9TQG52Sep 81Issue Available
Multiplexing, the how and why ofKH6N60Sep 81Issue Available
Operation upgrade: part 1W6BNB12Sep 81Issue Available
Operation upgrade: part 2W6BNB28Oct 81Issue Available
Ham radio techniques: radio-frequency interferenceW6SAI34Nov 81Issue Available
Rf power distributor, theW3BYM48Dec 81Issue Available
Rfi cures: avoiding side effectsComments WB7SYB, WB9TQG, VE2QO6Dec 81Issue Available
Ham radio techniques: radio-frequency interferenceW6SAI30Dec 81Issue Available
Wilkinson hybridsWA2EWT12Jan 82Issue Available
CW identifier, versatileShort circuit70Feb 82Issue Available
CW identifier, versatile, an improved memory forWB2BWJ24Feb 82Issue Available
Repeater controller, microprocessor-bandKB0CY12Mar 82Issue Available
Timer, electronic (HN)W9EBT65Mar 82Issue Available
Amplifier for 220 MHz, stripline kilowattW2GN12Apr 82Issue Available
Relay, inexpensive automatic send/receiveW0PBV40May 82Issue Available
Computer for the blind (HN)W8MQW69Jun 82Issue Available
Filters, bridgedW6MUR51Oct 82Issue Available
CW station, updating (HN)KM5T77Oct 82Issue Available
Low cost linear design and constructionW4MB12Dec 82Issue Available
Data bandwidths comparedW9JD/250Dec 82Issue Available
Filters (letter)W6XM8Feb 83 
Filters (letter)Comments, W3NQW8Apr 83 
Mysterious spur on 160N3BEK73May 83Issue Available
Harmonic product detector for QRP transceiversW5FG44Jun 83Issue Available
Communicating on 474,083 GHz (light wave communications)Comments, W6JTH8Jun 83Issue Available
CATVI (letter)WB4NMA10Aug 83Issue Available
VMOS on 1750 metersK1RGO71Oct 83Issue Available
Mysterious spur on 160Comments, K0KL, N3BEJ95Nov 83Issue Available
KWM 380 external control circuit (HN)WA2RUD96Dec 83Issue Available
Photovoltaic cells: a progress reportWD8AHO52Dec 83Issue Available
EMI/RFI shielding: new techniques part1Martin, Vaughn D.72Jan 84 
Power FETS: trend for VHF amplifiersPeters, Daniel and W7PUA12Jan 84 
Photovoltaic cells: a progress reportComments: K6KVX, WD8AHO, etal10Feb 84Issue Available
EMI/RFI shielding: new techniques part2Martin, Vaughn D.84Feb 84Issue Available
Audio to microwave amplifier, build your ownGruchalla, Michael12Mar 84Issue Available
Noise cancellation circuitK1RGO75Mar 84Issue Available
Branch-line hybrid: part1WA2EWT107Apr 84Issue Available
Filter design, graphicW6NRW37Apr 84Issue Available
Resonant circuitsWD4C12Apr 84Issue Available
Ham radio techniquesW6SAI63May 84Issue Available
Branch-line hybrid: part2WA2EWT93May 84Issue Available
Neutralizing 572B final at 1500 watts output (HN)W2YW63Jun 84 
Impedance matching: a brief reviewWD4C49Jun 84 
Ham radio techniques, fifty years agoW6SAI58Jun 84 
Peaked lowpass: a look at the ultraspherical filterW7ZOI96Jun 84 
Filter design, graphicShort circuit13Jul 84Issue Available
ALC circuits, improving amplifier: part1WA8AJN40Aug 84 
VHF/UHF world: the VHF/UHF primer, an introduction to filtersW1JR112Aug 84 
Linear amplifier, 3CX800A7K8RA17Aug 84 
Electromagnetic interference and the digital eraK3PUR114Sep 84Issue Available
RFI, solving the problems ofW2YW124Sep 84Issue Available
ALC circuits, improving amplifier: part2WA8AJN38Sep 84Issue Available
Prerecorded messages help the hearing impaired (HN)W2QLI87Sep 84Issue Available
Ham radio techniquesW6SAI106Oct 84 
The Guerri report: computer technologyW6MGI54Nov 84 
Russian Woodpecker, the: a continuing nuisanceKR7L37Nov 84 
The Guerri report: computer technologyShort circuit8Dec 84Issue Available
Solar power for your ham stationNH6N14Dec 84Issue Available
Bicycle-powered stationW1BG25Dec 84Issue Available
Polymer film transforms mechanical energy to electrical energyWA4KFZ55Dec 84Issue Available
The Guerri reportW6MGI124Jan 85 
Low-pass filter, integrated circuitWB2KTG59Jan 85 
Ham radio techniquesW6SAI75Jan 85 
Ham radio techniquesW6SAI59Feb 85 
The Guerri report: superchips come of ageW6MGI126Feb 85 
Solar power for your ham stationShort circuit145Mar 85 
Ham radio techniquesW6SAI83Mar 85 
The Guerri reportW6MGI158Mar 85 
The Guerri reportW6MGI157Apr 85Issue Available
Ham radio techniques: electron-hole theory exposed as fraudW6SAI67Apr 85Issue Available
Ham radio techniquesW6SAI66May 85Issue Available
The Guerri report: a busy signal from spaceW6MGI165May 85Issue Available
Ham radio techniquesW6SAI51Jun 85Issue Available
The Guerri report: predicting equipment failureW6MGI125Jun 85Issue Available
Phase modulator, PLL (HN)VE3FHM117Jun 85Issue Available
Ham radio techniquesW6SAI59Jul 85Issue Available
The Guerri reportW6MGI124Jul 85Issue Available
The Guerri reportW6MGI124Aug 85Issue Available
Ham radio techniquesW6SAI90Aug 85Issue Available
Ham radio techniques: I have seen the future and it worksW6SAI91Sep 85 
The Guerri report: RF power supplies achieve high efficiencyW6MGI157Sep 85 
Practically speaking: repairing flood damageK4IPV95Oct 85 
Ham radio techniquesW6SAI75Oct 85 
The Guerri report: RF effects the good and the badW6MGI142Oct 85 
Practically speaking: intermittents, pt.1K4IPV75Nov 85 
The Guerri reportW6MGI140Nov 85 
Ham radio techniquesW6SAI67Nov 85 
Practically speaking: intermittents, pt.2K4IPV79Dec 85 
Harmonics, Trapping stubbornN1RC99Jan 86Issue Available
Quartz crystal resonatorsBoddaert, Peter85Feb 86Issue Available
Two-tone signal generatorYB9ATA/WA7AQN25Feb 86Issue Available
Monolithic RF amplifiersN6JH22Mar 86Issue Available
VSWR bridgesK2LB37Mar 86Issue Available
RF filters, Build narrowbandWB4EHS10Mar 86Issue Available
Two-tone signal generatorShort circuit45Apr 86Issue Available
Wide-range RF power meterKA8OBL24Apr 86Issue Available
Modifying the Trio-Kenwood TS930SWB9BXT67Apr 86Issue Available
Two-tone signal generatorShort circuit36Jun 86Issue Available
RF filters, Build narrowbandShort circuit36Jun 86Issue Available
VHF noise bridgeOE2APM/AA3K10Jul 86Issue Available
Broadband amplifier-attenuatorW7SX59Jul 86Issue Available
Very sensitive LF or HF field-strength meterK1RGO67Sep 86Issue Available
NE5205 wideband RF amplifierGruchalla, Michael30Sep 86Issue Available
Using the Spectrum MonitorComments: KI6DW9Nov 86Issue Available
Function Generator: circuits from your signal generator - part 1K4IPV67Dec 86 
Using CAD to rewind transformersW6WTU83Dec 86 
Amateur FSK: A spectral analysisWA6NCX42Dec 86 
Using spreadsheet programs for amateur radio projectsAD1B95Dec 86 
Buying topo mapsComments: K3SKE9Dec 86 
Communicating on 474,083 GHz (light wave communications)WA6EJO10Dec 86 
NE5205 wideband RF amplifierShort circuit72Jan 87Issue Available
Mobile theft deterrent: The WeekenderW6WTU81Feb 87 
Can I patent it?K2LZ8Mar 87 
Build a 1-1000 MHz amplifier using MAR-4 MMICSWB6BIH33Jul 87 
Practically speaking: battery problems, pt1K4IPV62Jul 87 
Lightning location and detectionVY1CW25Sep 87Issue Available
Changing fundamental constants of scienceComments: W4SXK6Oct 87 
Ham radio techniques: 9CXX revisitedW6SAI83Dec 87Issue Available
New uses for old tunersW6WTU25Jan 88Issue Available
Build a QSO "beeper"KF6CU38Jan 88Issue Available
Power speaker enhances mobile operation (weekender)K1ZJH83Jan 88Issue Available
Decibel, defining theGruchalla, Michael51Feb 88 
Practically speaking: feedbackK4IPV60May 88 
Remedy for RFI (comment)K6WX9Jul 88 
Ham Radio techniques: line voltage and power tube lifeW6SAI60Jul 88 
Ham Radio techniques: the joys of TVI or, were you on the air last night?W6SAI70Aug 88 
Elmer's notebook: The mysterious "Q"W1SL110Sep 88Issue Available
Intermittent reception due to lightning (HN)W2YW39Sep 88Issue Available
Practically speaking: Overview of op amps- part 1K4IPV100Nov 88 
Practically speaking: overview of op amps- part 2K4IPV83Dec 88 
An Inexpensive VFO for the Yaesu FT-102VE3RF62Nov 89 
Control By TonesZL2SX42Nov 89 
Identifying Kerchunkers and Other InterferenceK9GDF74Dec 89 
An Audio Patch Panel for The Multimode StationKB6IC65Dec 89 
Introduction to Waveform Generators- pt 2K4IPV82Dec 89 
Using ICOM IC-32AT As a Crossband Mini-RepeaterKW5O41Dec 89 
Ham Radio Techniques: Antennas, GFI, Capacitors and FundamentalsW6SAI57Dec 89 
Simple eeprom programmerWA2IHE40Jan 90 
Ezy tune, HW-5400 (HN)AB4DP70Jan 90 
Handy ante switch (Weekender)W4E1N18Feb 90 
Understanding over-the-horizon radarNU1N9Feb 90 
Simple circuit prevents amplifier control relay failure (HN)NO7G30Feb 90 
Switchable bandwidth crystal filterN2DCH22Feb 90 
Personal message centerAA4NX44Feb 90 
Effective noise temperature, part 1: introduction and backgroundMichael Gruchalla58Feb 90 
Build your own superchargerK3OF22Mar 90 
Effective noise temperature, part 2: equivalent noise temperature and NFMichael Gruchalla33Mar 90 
Understanding computer-generated RFINU1N75Mar 90 
Understanding over-the-horizon radarComments, AG4R6Apr 90 
Design curves for loudness-compensated volume controlsTseng Liao30May 90 
Practically Speaking: potpourriK4IPV71May 90 
Understanding over-the-horizon radarComments, AD1G9May 90 
Build your own superchargerShort circuit78May 90 
Cleaning electronic hardware (HN)WA1FHB57Jun 90 

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