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Amateur Radio - Ham Radio Magazine Searchable Index - List by Category

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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Search

By Title Text By Author Callsign By Year Category

Results by Category: 13 — measurements and test equipment

Article Author Page Issue
Rf generator clipW1DTY58Mar 68
Precision capacitorW4BRS61Mar 68
Curve master, theK8ERV40Mar 68
Voltmeter, improved transistor, part IMaddever74Apr 68
Signal tracing in ham receiversAllen52Apr 68
Impedance bridge, simpleWA9QJP40Apr 68
Signal injection in ham receiversAllen72May 68
Dipper without plug-in coilsW6BLZ64May 68
Mini-spotter frequency checkerW7OE48May 68
Transistor tester for leakage and gainW4BRS68May 68
Receiver alignmentAllen64Jun 68
S-meter readings (HN)W1DTY56Jun 68
Instrumentation and the hamVE3GFN28Jul 68
Transistor testerWA6NIL48Jul 68
Transformer shortsW6BLZ36Jul 68
Troubleshooting transistor ham gearAllen64Jul 68
Voltmeter, transistor, part IIMaddever60Jul 68
Noise generators, using (HN)K2ZSQ79Aug 68
Grid current measurement in grounded-grid amplifiersW6SAI64Aug 68
Beta master, theK8ERV18Aug 68
Makeshift test equipment (HN)W7FS77Sep 68
Signal source for 432 and 1296 MHzK6RIL20Sep 68
Dummy loads, experimentalW8YFB36Sep 68
Panoramic reception, simpleW2EEY14Sep 68
Troubleshooting around fetsAllen42Oct 68
Rf current probe (HN)W6HPH76Oct 68
Amateur frequency measurementsK6KA53Oct 68
Calibrators and countersK6KA41Nov 68
Troubleshooting by resistance measurementAllen62Nov 68
Gdo, new uses forK2ZSQ48Dec 68
Cubical quad measurementsW4YM42Jan 69
Vtvm modificationW6HPH51Feb 69
Monitorscope, miniatureWA3FIY34Mar 69
Calibrator, plug-in ICK6KA22Mar 69
Multi-box (HN)W3KBM68Jul 69
Oscilloscope calibrator (HN)K4EEU69Jul 69
Antenna gain, measuringK6JYO26Jul 69
Oscilloscope, troubleshooting amateur gear withAllen52Aug 69
Uhf tuner tester for tv sets (HN)Schuler73Sep 69
Oscilloscope, putting it to workAllen64Sep 69
Frequency meter, crystal controlled (HN)W5JSN71Sep 69
Zener tester, low-voltage (HN)K3DPJ72Nov 69
Signal generator, tone moduiated for two and six metersWA8OIK54Nov 69
Trapezoidal monitor scopeVE3CUS22Dec 69
ReflectometersK1YZW65Dec 69
Counters: a solution to the readout problemWA0GOZ66Jan 70
Impedance bridge (HN)W6KZK67Feb 70
Regenerative detectors and a wideband amplifier for experimentersW8YFB61Mar 70
Weak-signal source, 144 and 432 MHzK6JC58Mar 70
Capacitance meter, direct-readingZL2AUE46Apr 70
Sweep generator, how to useAllen60Apr 70
Dummy load and rf wattmeter, low-powerW2OLU56Apr 70
Swr bridge and power meter, integratedW6DOB40May 70
Grid-dip oscillator, solid-state conversion ofW6AJZ20Jun 70
Frequency-shift meter, RTTYVK3ZNV33Jun 70
Rf signal generator, solid-stateVE5FP42Jul 70
Counter, compact frequencyK4EEU16Jul 70
Frequency scaler, divide-by-tenK4EEU26Aug 70
Bridge for antenna measurements, simpleW2CTK34Sep 70
RX impedance bridgeW2CTK34Sep 70
Harmonic generator (HN)W5GDQ76Oct 70
Swr meterW6VSV6Oct 70
Counter gating sourcesK6KA48Nov 70
Transistor and diode testerZL2AMJ65Nov 70
Bridge, rf noiseWB2EGZ18Dec 70
Counter, compact frequencyShort circuit72Dec 70
Wavemeter, indicatingW6NIF26Dec 70
Meters, testing unknown (HN)W1ONC66Jan 71
Converter, mosfet, for receiver instrumentationWA9ZMT62Jan 71
Fm frequency meter, two-meterW4JAZ40Jan 71
Electrolytic capacitors, measurement of (HN)W2NA70Feb 71
Repairs, thinking your way throughAllen58Feb 71
Resistance standard, simple (HN)W2OLU65Mar 71
Safer suicide cord (HN)K6JYO64Mar 71
Sweep response curves for low-frequency l-f'sAllen56Mar 71
RTTY signal generatorW7ZTC23Mar 71
Frequency scaler, divide-by-tenShort circuit72Apr 71
Wavemeter, indicatingShort circuit72Apr 71
Fm frequency meter, two-meterShort circuit72Apr 71
Coaxial cable, checking (letter)W2OLU68May 71
Time-domain reflectometry, experimenter's approach toWA0PIA22May 71
Fm deviation measurement (letter)K5ZBA68May 71
Multitester (HN)W1DTY63May 71
Decade standards, economical (HN)W4ATE66Jun 71
Antenna matcherW4SD24Jun 71
Counter readouts, switching (HN)K6KA66Jun 71
Transmitter tuning unit for the blindW9NTP60Jun 71
Switch-off flasher (HN)Thomas64Jul 71
Resistor decades, versatileW4ATE66Jul 71
A-m modulation monitor, vhf (HN)K7UNL67Jul 71
CRT intensifier for RTTYK4VFA18Jul 71
Frequency calibrator, how to designW3AEX54Jul 71
AC power-line monitorW2OLU46Aug 71
Function generator, ICW1DTY40Aug 71
Weak-signal source, stable, variable-outputK6JYO36Sep 71
Crystal-controlled frequency markers (HN)WA4WDK64Sep 71
Transconductance tester for fetsW6NBI44Sep 71
RTTY monitor scope, solid-stateWB2MPZ33Oct 71
Dynamic transistor tester (HN)VE7ABK65Oct 71
Capacitance meter, direct reading, for electrolyticsW9DJZ14Oct 71
Swr bridgeWB2ZSH55Oct 71
Frequency calibrator, general coverageW5UQS28Dec 71
RTTY signal generatorShort circuit96Dec 71
WWV-WWVH, amateur applications forW3FQJ53Jan 72
Fm deviation measurementsW3FQJ52Feb 72
Crystal checkerW6GXN46Feb 72
Digital readout station accessory, part IK6KA6Feb 72
Vacuum tubes, testing high-power (HN)W2OLU64Mar 72
Digital station accessory, part IIK6KA50Mar 72
Ssb, signals, monitoringW6VFR35Mar 72
Oscillator, frequency measuringW6IEL16Apr 72
Logic monitor (HN)WA5SAF70Apr 72
Oscillator, two-tone, for ssb testingW6GXN11Apr 72
Digital station accessory, part IllK6KA36Apr 72
Swr bridge (HN)WA5TFK66May 72
Coaxial-line loss, measuring with a reflectometerW2VCI50May 72
Swr meters, direct reading and expanded scaleWA4WDK28May 72
Noise-figure measurements for vhfWB6NMT36Jun 72
AFSK generator, crystal-controlledK7BVT13Jul 72
Oscilloscope voltage calibratorW6PBC54Aug 72
Monitorscope, RTTYW3CIX36Aug 72
Capacitance meter, direct-readingW6MUR48Aug 72
Frequency scaler, divide-by-tenW6PBC41Sep 72
Frequency standard (HN)WA7JIK69Sep 72
Frequency synthesizer, high-frequencyK2BLA16Oct 72
Impulse generator, pulse-snap diodeSiegal, Turner29Oct 72
Spectrum analyzer, four channelW9IA6Oct 72
Rf power meter, low-levelW5WGF58Oct 72
Oscillator, frequency measuringAdded notes90Dec 72
Logic monitor (HN)Correction91Dec 72
Frequency scaler, divide-by-tenCorrection90Dec 72
Swr meters, direct reading and expanded scaleCorrection90Dec 72
Counter reset generator (HN)W3KBM68Jan 73
RTTY test generator (HN)W3EAG67Jan 73
Sampling network, rf - the milli-tapW6QJW34Jan 73
Vom/vtvm, added uses for (HN)W7DI67Jan 73
Bridge, noise, for impedance measurementsYA1GJM62Jan 73
Logic test probe (HN)Rossman56Feb 73
Pre-scaler, vhf (HN)W6MGI57Feb 73
Oscillator, audioW6GXN50Feb 73
AFSK generator, phase-locked loopK7ZOF27Mar 73
RTTY test generator (HN)W3EAG59Mar 73
Crystal test oscillator and signal generatorK4EEU46Mar 73
Phase meter, rfVE2AYU, Korth28Apr 73
Rf detector, sensitiveWB9DNI38Apr 73
WWV receiver, simple regenerativeWA5SNZ42Apr 73
RX impedance bridge, low-costW8YFB6May 73
Impedance bridge, low-cost RXW8YFB6May 73
Digital counters (letter)W1GGN76May 73
Transistor curve tracerWA9LCX52Jul 73
Slow-scan tv test generatorK4EEU6Jul 73
Noise generator, 1296-MHzW3BSV46Aug 73
Swr bridge readings (HN)W6FPO63Aug 73
l-f sweep generatorK4DHC10Sep 73
Dummy load low-power vhfWB9DNI40Sep 73
Frequency measurement of received signalsW4AAD38Oct 73
Prescaler, Improvements forW6PBC30Oct 73
Vhf pre-scaler, improvements forW6PBC30Oct 73
Power meter, rfK8EEG26Oct 73
Frequency scaler, divide-by-tenAdded comments (letter)64Nov 73
Signal generator, wide rangeW6GXN18Dec 73
Logic test probeVE6RF53Dec 73
Logic test probe (HN)Short circuit58Dec 73
Meter interface, high-impedanceLaughlin20Jan 74
Line-voltage monitor (HN)WA8VFK66Jan 74
Frequency standard, universalK4EEU40Feb 74
Capacitance meter, digitalK4DHC20Feb 74
I-f alignment generator 455-kHzWA5SNZ50Feb 74
Capacitance meter, direct-readingShort circuit64Mar 74
Transistor curve tracerShort circuit63Apr 74
Frequency standard, universalShort circuit72May 74
Bridge, noise, for impedance measurementsAdded notes66May 74
Noise bridge, antenna (HN)K8EEG71May 74
Antenna and transmission line measurement techniquesW4OQ36May 74
Spectrum analysers, understandingWA5SNZ50Jun 74
Function generator, ICK4DHC22Jun 74
Frequencies, counted (HN)K6KA62Aug 74
lntermodulation-distortion measurements on ssb transmittersW6VFR34Sep 74
Peak envelope power, how to measureW5JJ32Nov 74
Vtvm, convert to an IC voltmeterK6VCI42Dec 74
Probe, sensitive rf (HN)W5JJ61Dec 74
Frequency scalers, 1200-MHzWB9KEY38Feb 75
Ac current monitor (letter)WB5MAP61Mar 75
Current monitor modLetter61Mar 75
Bridge, noise, for impedance measurementsAdded notes60Mar 75
Capacitance meter, direct-readingWA5SNZ32Apr 75
Impedance, measuring with swr bridgeWB4KSS46May 75
Noise figure, vhf, estimatingWA9HUV42Jun 75
Frequency scaler, 500-MHzW6URH32Jun 75
Milliammeters, how to useW4PSJ48Sep 75
Capacitance meter, direct-readingAdded note31Oct 75
Frequency scaler, uhf (11C90)WB9KEY50Dec 75
Frequency counter, 50 MHz, 6 digitWB2DFA18Jan 76
Prescaler, vhf, for digital frequency countersK4GOK32Feb 76
WWVB signal processorW9BTI28Mar 76
Dummy loadsW4MB40Mar 76
L, C, R bridge, universalW6AOI54Apr 76
Swr meter, improving (HN)W5NPD68May 76
Swr indicator, aural, for the visually handicappedK6HTM52May 76
Linearity meter for ssb amplifiersW4MB40Jun 76
Microwave marker generator, 3cm band (HN)WA4WDL69Jun 76
Transistor tester, shirt pocketW0MAY40Jul 76
Base step generatorWB4YDZ44Jul 76
Turn-off timer for portable equipmentW5OXD42Sep 76
Calibrating ac scales on the vtvm, icvm and fet voltmeterW7KQ48Sep 76
Absorption measurements, using your signal generator forW2OUX79Oct 76
Meter amplifier, electronicWA9HUV38Dec 76
Diode testerW6DOB46Jan 77
Q measurementG3SBA49Jan 77
VSWR indicator, computingWB9CYY58Jan 77
Swr indicator, how to use (repair bench)W6NBI66Jan 77
Frequency counter, CMOSW2OKO22Feb 77
RX noise bridge, improvements toW6BXI, W6NKU10Feb 77
Time-base oscillators, improved calibrationWA7LUJ, WA7KMR70Mar 77
Function/units indicator using LED displaysK0FOP58Mar 77
Frequency counter, 50 MHz, 6 digitComment79Apr 77
Power meter, rf, how to use (repair bench)W6NBI44Apr 77
Frequency measurement, vhf, with hf receiver and scaler (HN)W3LB90May 77
VSWR indicator, computingShort circuit94May 77
Frequency counter, CMOSShort circuit94May 77
Slotted line, how to use (repair bench)W6NBI58May 77
Gate-dip meterW3WLX42Jun 77
Spectrum analyzer, dc-100 MHzW6URH16Jun 77
Toroid permeability meterW6RJO46Jun 77
Test probe accessory (HN)W2IMB89Jul 77
Continuity bleeper for circuit tracingG3SBA67Jul 77
Spectrum analyzer for ssbW3JW24Jul 77
Frequency-rnarker standard using cmosW4IYB44Aug 77
Resistance values below 1 ohm, measuringW4OHT66Sep 77
RX noise bridge, improvements toComments100Sep 77
Resistance values, measuring below 1 ohmW4OHT66Sep 77
Frequency counter, how to improve the accuracy ofW1RF26Oct 77
Radio Shack meters, internal resistanceKatzenberger94Nov 77
Spectrum analyzer, dc-100 MHzShort circuit69Dec 77
Rf wattmeter, accurate low powerWA4ZRP38Dec 77
RTTY test generatorWB9ATW64Jan 78
Resistance values below 1 ohm, measuring (letter)W1PT91Jan 78
Frequency counter, modify for direct counting to 100 MHzWA1SNG26Feb 78
Capacitance meterMathieson, P. H.51Feb 78
Frequency counters, understanding and usingW6NBI10Feb 78
Frequency counter, high-impedance preamp and pulse shaper forI4YAF47Feb 78
Frequency counter, simplifyingW1WP22Feb 78
Frequency counter, front-ends for a 500-MHzK4JIU30Feb 78
Grid-dip meter, no-costW8YFB87Feb 78
Spectrum analyzer tracking generatorW6URH30Apr 78
Testing power tubesK4IPV60Apr 78
Noise bridge calculations with TI 58/59 calculatorsWD4GA145May 78
Antenna bridge calculationsAnderson, Leonard H.34May 78
Multiplexed counter displays (HN)K1XX87May 78
Rf current readout, remote (HN)W4ATE87May 78
Antenna bridge calculations (letter)W5QJR6May 78
Voltmeter calibrator, precisionWoods, Hubert94Jun 78
Vhf prescalerW8CHK92Jun 78
Voltage calibrator for digital voltmetersW6NBI66Jul 78
Spectrum analyzer, microwaveN6TX34Jul 78
Noise figure measurementsW6NBI40Aug 78
TVI locatorW6BD24Aug 78
Tester for 6146 tubes (HN)W6KNE81Aug 78
Automatic noise-figure measurements (Repair Bench)W6NBI40Aug 78
Frequency counter, simple (HN)W2QBR81Aug 78
Prescaler, 1-GHz, for frequency countersW6NBI84Sep 78
Noise bridge construction (letter)OH2ZAZ8Sep 78
Meter amplifiers, calibratingW4OHT80Sep 78
Frequency counters, high-sensitivity preamplifier forW1CFI80Oct 78
Swr meterWB6AFT68Nov 78
Capacitance meter, simplifiedWA5SNZ78Nov 78
1.5GHz prescaler, divide by 4N6JH88Dec 78
Deviation, measuringN6UE20Jan 79
Spectrum analyzer, dc-100 MHzShort circuit94Feb 79
Logic probeK9CW83Feb 79
Voltage calibrator for digital voltmetersShort circuit94Feb 79
Frequency counter, simplifyingShort circuit94Feb 79
Broadband reflectometer and power meterVK2ZTB, WB2ZZO28May 79
Swr measuring at high frequenciesDJ2LR34May 79
Impedance bridge measurement errors and correctionsK4KJ22May 79
Diode noise source for receiver noise measurementsW6NBI32Jun 79
Gallon-size dummy loadW4MB74Jun 79
Test-equipment mainframeW4MB52Jul 79
VSWR bridge, broadband power-trackingK1ZDI72Aug 79
Dip-meter converter for VLFW4YOT26Aug 79
Noise figure measurementsComments, WB5LHV, W6NBI6Aug 79
Frequency counters, uhf and microwaveW6NBI34Sep 79
Frequency counter, miniatureK5WKQ34Oct 79
Capacitance measurements with a frequency counter - WeekenderMoran, John62Oct 79
Wattmeter, low power (letter)W0DLQ6Jan 80
Wien Bridge oscillators, voltage-controlled resistance forWA5SNZ56Feb 80
Frequency counter, K4JIU, modifications for (HN)K4JIU65Mar 80
Capacitance meter, (simplified), improvements toWA3CPH54Mar 80
Frequency counter, capacitance-measurement accuracy forW1ZUC44Apr 80
Counter control pulses (HN)W9LL70Apr 80
Prescaler, 600-Hz, for use with electronic countersWA1SPI50Apr 80
VSWR and power meter, automaticW0INK34May 80
VLF dip meter, no-adjust bias for (HN)WB3IDJ69Jul 80
Function generator, integrated circuitN3FG30Aug 80
Digital capacitance meterK4GOK66Aug 80
Logic probe, digitalN6UE38Aug 80
Frequency counter, capacitance-measurement accuracy forShort circuit67Sep 80
Electrolytic capacitors, measuring capacitance ofKP4DIF24Sep 80
Noise-figure meter, automatic, for preamplifiers and convertersK9IMM12Feb 81
Rf power meter, part 1: instrument description and constructionN6YC70May 81
Rf power meter, part 2: measurements and measurement accessoriesN6YC55Jun 81
Sweep generator, stable widebandW7BAR18Jun 81
Field-strength meter for the high-frequency Amateur bandsWB6AFT42Jul 81
K4EEU frequency standard, battery backup for (HN)N4BA68Jul 81
Dip meters, a new look atW6GXN25Aug 81
Swr meter for the high-frequency bandsWB6AFT62Oct 81
Rf power meter, part 2: measurements and measurement accessoriesComments, W3NQN6Oct 81
Light-bulb dummy loads (HN)W6HPH74Oct 81
Sweep generator, stable widebandShort circuit84Nov 81
Swr meter for the high-frequency bandsComments, WA4UPN, WB6AFT36Mar 82
Inductance meter, easy-to-buildW6XM76Apr 82
Two-tone generatorN1RM32Jun 82
Inductance meter, easy-to-buildComments, WB2LAO8Sep 82
Two-tone signal generator (HN)K4KI77Sep 82
Inductance meter, easy-to-buildShort circuit79Oct 82
Battery charger sensorW3BYM54Dec 82
BC221, unusualVK2ZH22Jan 83
Logic mateN9CZK57Jan 83
Wien Bridge oscillators, voltage-controlled Zener diode test circuitW3PHK52Feb 83
Wide range inductance meterK9EBA52Feb 83
Noise bridge, precisionK2ST51Mar 83
Diode tester (HN)W2OLU90Apr 83
Capacitive-reactance meter multiplier (HN)K4KI89Apr 83
Solid-state replacementsAK7N46Apr 83
Video monitor, inexpensiveK8CG12Apr 83
Logic probe (HN)Rozenthal, J.91Apr 83
Noise bridge, precisionComments8Jun 83
Using the Astro 103 as a frequency counter (HN)W4ATE69Jun 83
PEP output power measurementVK3AFO10Jun 83
Measuring inductancesK6HIK85Jul 83
Impedance matchingWB2NTQ85Jul 83
Tune-up method, low duty-cycle for transmitters (HN)K4KI62Aug 83
Noise bridge, precisionShort circuit97Aug 83
Video monitor, inexpensiveComments, K9TA10Aug 83
Measuring small valuesW6SDM74Aug 83
Panoramic adaptor spectrum analyzer design notesWA6NCX/126Sep 83
Weather radar, 10-GHZK4TWJ61Sep 83
Panoramic adaptor spectrum analyzer design notesComments, K2CBY12Sep 83
PEP output power measurementComments, K4KYV12Sep 83
Panoramic adaptor spectrum analyzer design notesShort circuit70Oct 83
Electrical calibration standardsMartin, Vaughn D.10Oct 83
Required dynamic range and design guides for EMI/RFI test receiversDJ2LR70Nov 83
Time and frequency standards: part1Martin, Vaughn D.36Nov 83
Standing wave indicatorGW8FKB97Nov 83
Time and frequency standards: part2Martin, Vaughn D.31Dec 83
Tune-up method, low duty-cycle for transmitters (HN)Comments, W5XW11Dec 83
Tune-up method, low duty-cycle for transmitters (HN)Comments, K4KI11Jan 84
Ohmmeter, wide-rangeBailey, John T.53Jan 84
EMI/RFI shielding: new techniques part1Martin, Vaughn D.72Jan 84
Measuring noise figureK2BLA26Jan 84
Transmitter tuning aid: buffer your load with this resistive network (weekender)K4KI52Feb 84
EMI/RFI shielding: new techniques part2Martin, Vaughn D.85Feb 84
Microphone calibrationNY6U73Jun 84
Ground rod resistanceK4MT95Jul 84
QRP wattmeter (HN)W6XM110Jul 84
Ground rod resistanceComments8Sep 84
VHF/UHF worldW1JR55Oct 84
Frequency counter, "smart"WA5VQ41Oct 84
L and C measurementsWB6ZLN117Oct 84
Receiver sweep alignment systemWB6BIH124Nov 84
Bridge measurements, the half-wave transmission line in (HN)K4KI108Nov 84
The Guerri report: signal processingW6MGI156Dec 84
Filter tester, simple (HN)W6XM116Dec 84
Tuneup, safe, silentK4KI123Dec 84
Field strength meter, sensitiveK4KI51Jan 85
Frequency counter, "smart"Short126Apr 85
IF sweep generator, compactPA0CX, DJ0SA35Jun 85
Detector, logarithmic, widebandPA0CX, DJ0SA75Jul 85
Dual wattmeter, 50-500 MHzWB4EHS67Jul 85
Detailed look at probesMartin, and Davis75Sep 85
Continuity tester, simpleWD6GMB130Sep 85
Practically speakingK4IPV79Dec 85
Frequency and level standardPA0CX10Jan 86
Two-tone signal generatorYB9ATA/WA7AQN25Feb 86
SWR bridgesK2LB37Mar 86
Wide-range RF power meterKA8OBL24Apr 86
Two-tone signal generatorShort circuit45Apr 86
Practically speaking: using antenna noise bridgeK4IPV69May 86
Frequency and level standardComments, WA8LLY9Jun 86
Two-tone signal generatorShort circuit36Jun 86
Practically speaking: using the right multimeterK4IPV95Jun 86
Practically speaking: using the multimeterK4IPV43Jul 86
VHF noise bridgeOE2APM/AA3K10Jul 86
Low-cost spectrum analyzer with kilo-buck featuresW4UCH82Sep 86
Extended-range VU meterWB6JNN59Sep 86
Sensitive LF or HF field-strength meterK1RGO67Sep 86
Deluxe logic probeM. Wilde74Jan 87
An i-f sweep generatorW2ZUC101Jan 87
Practically speaking: function generator circuits - part2K4IPV89Jan 87
2.3GHz prescalerN6JH21Jan 87
Practically speaking: testing diodesK4IPV65Feb 87
Practically speaking: building 'the poor man's spectrum analyzer'K4IPV99Mar 87
Understanding noise figureGruchalla, Michael89Apr 87
NBS time and frequency surveyNBS45Jun 87
Test DBMs for diode leakageWB6BIH86Jun 87
Practically speaking: build your own time-domain refiectometerK4IPV69Jun 87
Practically speaking: revisiting 'the poor man's spectrum analyzer'K4IPV49Sep 87
Practically speaking: troubleshooting DC power supplies with an oscilloscopeK4IPV57Oct 87
Practically speaking: using voltage comparatorsK4IPV49Nov 87
An rf voltmeterG4COL65Nov 87
Practically speaking: generating low i-f frequenciesK4IPV49Dec 87
Ode to older oscilloscopesKR6A69Jan 88
Elmer's notebook: power measurementsW1SL100Jan 88
High-frequency receiver performanceG4OBU33Feb 88
Elmer's notebook: standing wave ratio- what does it mean?W1SL98Feb 88
HP-IB greatly simplifiedMartin, Vaughn D.65Mar 88
Frequency calibration using 60 kHz WWVBW4ZPS45Mar 88
Practically speaking: using the digital frequency counter- some pitfallsK4IPV47Apr 88
Multi-featured function generatorWA7IRY9Apr 88
Ham radio techniques: time and frequency station WWVS, minibeam design, etcW6SAI37Jun 88
Simple low-cost comb generator frequency calibratorMartin, Larry78Jul 88
Reflected power limiterK4KI63Jul 88
Add a digital readout to the "poor man's spectrum analyzer"WA2PZ84Sep 88
Calibrating series-resistance capacitance bridges (HN)Caron27Dec 88
Build this simple L-C checkerW5FG19Dec 88
Two in one: Trace doubler for CRO, and square wave and pulse generator (HN)Tseng Liao26Dec 88
High-impedance Rotary Step AttenuatorN2DCH24Feb 89
Practically Speaking: Antenna System InstrumentsK4IPV82Feb 89
Practically Speaking: RF Wattmeters and Antenna VSWR MetersK4IPV75Mar 89
Microfarad Counter,ThePA0CX85May 89
Novel Methods for Measuring Cable AttenuationOE2APM65May 89
Simple DC Amplifier for Your MeterW0JF10Jun 89
Elmer's Notebook: Visual Aids- OscilloscopesW1SL92Jun 89
Sensitive RF Voltmeter, The Weekender:N2DCH62Jul 89
Practically Speaking: More Digitally Generated Sawtooth Plus Triangle WavesK4IPV78Jul 89
Versatile Transistor/Diode TesterW5JQE & W2YM30Aug 89
Keeping an Eye on Your Sideband PEP-The WeekenderGW4NAH17Sep 89
Introduction to Waveform Generators- pt 1K4IPV62Sep 89
Extend Your DVM's Measurement CapabilitiesN6YC72Oct 89
Transistor Lead Identification with a DVMK0GSS62Oct 89
PEP WattmeterWA1SPI76Oct 89
Elmer's Notebook: Test Equipment-Easy and UsefulW1SL86Oct 89
Wideband Frequency AnalyzerAA4FB9Nov 89
Elmer's Notebook: Simple Instruments RF Output MonitorW1SL91Nov 89
Practically Speaking: Test Equipment for Digital ElectronicsK4IPV76Nov 89
Q MetersW3QOM49Dec 89
Introduction to Waveform Generators- pt 2K4IPV82Dec 89
Two in one: trace doubler for CRO, and square wave and pulse generator (HN)Short circuit26Jan 90
Introduction to waveform generators - part 3K4IPV63Jan 90
Practically Speaking: review of a low cost commercial spectrum analyzerK4IPV64Feb 90
Practically Speaking: analog meter movements: how to use themK4IPV68Mar 90
LED millivoltmeter (Weekender)W0JF82Mar 90
Practically Speaking: some analog meter applicationsK4IPV36Apr 90
Instrumentation series: oscilloscopesK7OWJ49Apr 90
Digital field strength meterN4TMI30May 90
Precision crystal frequency checker (Weekender)N4TMI44Jun 90