KA1GT archives
The following is a list of articles I've written on the subject of amateur VHF/UHF and microwave communications systems. Most are archived on the ARRL website and the "QST" link will download a pdf copy of the article - however you need to be an ARRL member (and logged into the arrl.org website) to download. Most appeared in the "New Frontier" column, which ran every month in QST from November 1980 to October 1989. Many of the New Frontier articles have also appeared in other ARRL publications such as the "Antenna Book" and the "UHF/Microwave Experimenter's Handbook"
The ARRL also purchased rights to the Communications Quarterly Archives and Ham Radio archives. I no longer see a link on their website for the Communications Quarterly CD and I believe it's no longer available for some reason (maybe copyright issues?). As far as I know the ARRL purchased Communications Quarterly from CQ Communications and as of January 2000 combined it with QEX.
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I do have permission from the ARRL to put copies of these articles right here. What I will be doing is converting the optically scanned PDF files PDF files to HTML using OCR, then edit/update them as required (and significant editing is required since OCR is far from perfect!). The illustrations will probably have to be copied from the PDF files though, so they may look a bit rough. So far just a few articles have been converted.
- 10Ghz Diode detector/mixer/multiplier
- Gunn Oscillator power combiner - get more power out than you put in!
- Radio Propagation by Tropospheric Scattering
1991
- Winter 1991 - COMMUNICATIONS QUARTERLY (p119-127) "Radio Propagation by Tropospheric Scattering"
1990
- FEB 1990 - HAM RADIO (PG 20) - Microwaves
- MAR 1990 - HAM RADIO (PG 18-21) - Laser communication systems
- APR 1990 - HAM RADIO (PG 14-19) - Optical receivers
- MAY 1990 - HAM RADIO (PG 18-21) - Feedback and general microwave info
- JUN 1990 - HAM RADIO (PG 22-25) - Microwave Basics
This (Jun 1990) was the last ever issue of Ham Radio. I had nothing to do with its demise!
1989
- JAN 1989 - QST (PG. 86) --- 10-GHz DX News QST
- FEB 1989 - QST (PG. 82) --- 10-GHz Moonbounce QST
- FEB 1989 - QST (PG. 82) --- Satellites On 2304 MHz QST
- FEB 1989 - QST (PG. 82) --- 903-MHz EME QST
- FEB 1989 - QST (PG. 82) --- Noise Figure and Gain Measurement QST
- MAR 1989 - QST (PG. 75) --- Conference News QST
- MAR 1989 - QST (PG. 75) --- Combining Gunn-Oscillator Outputs QST
- APR 1989 - QST (PG. 74) --- Laser Communication Range QST
- MAY 1989 - QST (PG. 85) --- Using TVRO Dishes for EME on the Microwave Bands QST
- JUN 1989 - QST (PG. 84) --- Hardware-Size Conversions QST
- JUL 1989 - QST (PG. 76) --- Calling Frequencies QST
- AUG 1989 - QST (PG. 73) --- Caveats For Choosing Microwave Capacitors QST
- SEP 1989 - QST (PG. 74) --- New 10-GHz EME Distance Record QST
- OCT 1989 - QST (PG. 64) --- Sun Noise--and a Final Farewell QST
1988
- JAN 1988 - QST (PG. 63) --- Conference Proceedings QST
- JAN 1988 - QST (PG. 63) --- Some Thoughts on Equipment Design QST
- FEB 1988 - QST (PG. 65) --- Transverter Update QST
- MAR 1988 - QST (PG. 66) --- More on the 1296-MHz Transverter QST
- MAR 1988 - QST (PG. 66) --- New Frontier Index QST
- APR 1988 - QST (PG. 72) --- Colorado Activity Report QST
- APR 1988 - QST (PG. 72) --- Transverter News QST
- MAY 1988 - QST (PG. 68) --- PIN Diodes as RF Switches QST
- JUN 1988 - QST (PG. 80) --- Microstripline Circuitry QST ---
- JUL 1988 - QST (PG. 72) --- Attenuators QST
- AUG 1988 - QST (PG. 86) --- Thermistor Power Metering QST
- SEP 1988 - QST (PG. 75) --- Optical Communication QST
- OCT 1988 - QST (PG. 74) --- Other Microwave News QST
- OCT 1988 - QST (PG. 74) --- West Coast 10-GHz Activity QST
- OCT 1988 - QST (PG. 74) --- 5.7-GHz Activity in Oklahoma QST
- NOV 1988 - QST (PG. 64) --- 10-GHz EME First QST
- NOV 1988 - QST (PG. 64) --- New USA 3456-MHz DX Record QST
- NOV 1988 - QST (PG. 64) --- East Coast 10-GHz DX QST
- NOV 1988 - QST (PG. 65) --- CSVHF Antenna and Noise Figure Measurement Results QST
- DEC 1988 - QST (PG. 87) --- New World DX Record On 47 GHz QST
1987
- JAN 1987 - QST (PG. 59) --- 2304-MHz Beacon QST
- JAN 1987 - QST (PG. 59) --- Microwave Clubs QST
- JAN 1987 - QST (PG. 59) --- Microwave Transverters for 1296 and 2304 MHz QST
- JAN 1987 - QST (PG. 59) --- 2304 News QST
- JAN 1987 - QST (PG. 59) --- 10-GHz Activity QST
- JAN 1987 - QST (PG. 59) --- Microwave-Dish Feed QST
- JAN 1987 - QST (PG. 59) --- Microwave Societies QST
- FEB 1987 - QST (PG. 61) --- More Record QSOs QST
- MAR 1987 - QST (PG. 77) --- Beginning on Microwaves QST
- MAR 1987 - QST (PG. 77) --- Thanksgiving Opening QST
- MAR 1987 - QST (PG. 77) --- 10-GHz Reports QST
- APR 1987 - QST (PG. 80) --- Horn Antennas for 10 GHz QST
- APR 1987 - QST (PG. 80) --- 10-GHz SSB Presentation QST
- MAY 1987 - QST (PG. 63) --- Building the 10-GHz Horn Antenna QST
- MAY 1987 - QST (PG. 63) --- Microwaves in Virginia... QST
- MAY 1987 - QST (PG. 63) --- ...and Nebraska QST
- JUN 1987 - QST (PG. 62) --- Activity Reports--More Record QSOs QST
- JUL 1987 - QST (PG. 62) --- More on 10-GHz Equipment and Operation QST
- AUG 1987 - QST (PG. 59) --- Using a TVRO LNA at 3456 MHz QST
- SEP 1987 - QST (PG. 65) --- Injection Locking on 10 GHz QST
- SEP 1987 - QST (PG. 65) --- Microwave Oven Magnetrons QST
- SEP 1987 - QST (PG. 65) --- Solid-State EME on 13 cm QST
- SEP 1987 - QST (PG. 65) --- Silent Key (Terry Clark, WA1VUW) QST
- OCT 1987 - QST (PG. 59) --- North Texas Microwave Society Antenna Measurements QST
- OCT 1987 - QST (PG. 59) --- Microwave Dummy Loads QST
- NOV 1987 - QST (PG. 58) --- Breaking the North American 10-GHz DX Record QST
- DEC 1987 - QST (PG. 64) --- Waveguide Transitions QST
- DEC 1987 - QST (PG. 64) --- 10-GHz "Penny" Feed QST
- DEC 1987 - QST (PG. 64) --- 10-GHz Cumulative Contest QST
1986
- JAN 1986 - QST (PG. 78) Microwave Amplifiers - QST
- JAN 1986 - QST (PG. 78) Amplifier Specifications - QST
- FEB 1986 - QST (PG. 71) 24-GHz News - QST
- FEB 1986 - QST (PG. 71) VHF Communications - QST
- FEB 1986 - QST (PG. 71) 2304-MHz News - QST
- FEB 1986 - QST (PG. 71) Passive Reflectors - QST
- FEB 1986 - QST (PG. 71) Nothing is New - QST
- FEB 1986 - QST (PG. 71) California Microwave Activity - QST
- FEB 1986 - QST (PG. 71) More Rain-Scatter News - QST
- MAR 1986 - QST (PG. 82) 10-GHz Diode Detector/Mixer, A - QST
- APR 1986 - QST (PG. 60) Directional Couplers - QST
- MAY 1986 - QST (PG. 67) New World Record on 3456 MHz - QST
- MAY 1986 - QST (PG. 67) Diode Mixers - QST
- MAY 1986 - QST (PG. 67) 24-GHz News - QST
- MAY 1986 - QST (PG. 67) New 13-cm Record - QST
- JUN 1986 - QST (PG. 62) 13-cm News - QST
- JUL 1986 - QST (PG. 68) 6-cm Activity in Oklahoma - QST
- JUL 1986 - QST (PG. 68) Relative System Performance on the Microwave Bands - QST
- AUG 1986 - QST (PG. 62) Circular Waveguide for 2304 MHz - QST
- SEP 1986 - QST (PG. 78) Multiband Beacon from North Carolina - QST
- SEP 1986 - QST (PG. 78) 3456-MHz News from the Southwest - QST
- SEP 1986 - QST (PG. 78) 10-GHz Narrowband Operation in California - QST
- OCT 1986 - QST (PG. 65) 1296-Activity from Colorado - QST
- OCT 1986 - QST (PG. 65) Microwave Societies - QST
- OCT 1986 - QST (PG. 65) 10-GHz Cumulative Contest - QST
- NOV 1986 - QST (PG. 55) Microwave News from Oregon - QST
- NOV 1986 - QST (PG. 55) Microwave Safety - QST
- NOV 1986 - QST (PG. 55) Propagation Calculations - QST
- DEC 1986 - QST (PG. 67) New 3456--MHz Record - QST
- DEC 1986 - QST (PG. 67) Modulating Gunn Oscillators - QST
- DEC 1986 - QST (PG. 67) 10-GHz Cumulative Contest--Phase 1 - QST
- DEC 1986 - QST (PG. 67) Microwave Societies - QST
1985
- JAN 1985 - QST (PG. 62) Silver Plating Filters - QST
- JAN 1985 - QST (PG. 62) 1296-MHz News - QST
- JAN 1985 - QST (PG. 62) 2304-MHz News - QST
- JAN 1985 - QST (PG. 62) Device News - QST
- JAN 1985 - QST (PG. 62) Government Publications - QST
- JAN 1985 - QST (PG. 62) Commercial Microwave Parts Available - QST
- FEB 1985 - QST (PG. 60) 2304-MHz Satellite Identified - QST
- FEB 1985 - QST (PG. 60) Waveguide Attenuation - QST
- FEB 1985 - QST (PG. 60) Photo Feature - QST
- MAR 1985 - QST (PG. 65) Scatter Communication - QST
- MAR 1985 - QST (PG. 65) Simple Microwave System - QST
- MAR 1985 - QST (PG. 65) Free-Space Path Loss - QST
- MAR 1985 - QST (PG. 65) 1296 Activity Directory - QST
- MAR 1985 - QST (PG. 65) 2304-MHz News - QST
- MAR 1985 - QST (PG. 65) 1296/2304-MHz Conference - QST
- APR 1985 - QST (PG. 66) 2304-MHz Operation - QST
- MAY 1985 - QST (PG. 62) Microwave Ferrite Devices - QST
- MAY 1985 - QST (PG. 62) Photo Feature - QST
- JUN 1985 - QST (PG. 61) 24-GHz Path Loss - QST
- JUN 1985 - QST (PG. 61) 2304 News - QST
- JUN 1985 - QST (PG. 61) 900-MHz Amplifier - QST
- JUL 1985 - QST (PG. 64) Sky-Noise Temperature - QST
- AUG 1985 - QST (PG. 68) 1296-MHz Bibliography - QST
- SEP 1985 - QST (PG. 69) World Record on 47 GHz: Some Details - QST
- SEP 1985 - QST (PG. 69) 1296-MHz Tropo Contacts - QST
- SEP 1985 - QST (PG. 69) Pack Rats 2.3-GHz Grid-Square Expedition - QST
- SEP 1985 - QST (PG. 69) Microwave Antenna Alignment Aid - QST
- SEP 1985 - QST (PG. 69) More Rain-Scatter News - QST
- OCT 1985 - QST (PG. 63) 2304-MHz News - QST
- OCT 1985 - QST (PG. 63) 10-GHz News - QST
- OCT 1985 - QST (PG. 63) 24-GHz DX - QST
- OCT 1985 - QST (PG. 63) International News - QST
- OCT 1985 - QST (PG. 63) European Microwave DX - QST
- OCT 1985 - QST (PG. 63) 1296-MHz Bibliography - QST
- OCT 1985 - QST (PG. 63) 47-GHz News - QST
- OCT 1985 - QST (PG. 63) Geostationary Satellite Experiments - QST
- NOV 1985 - QST (PG. 81) 10-GHz Cumulative Contest - QST
- NOV 1985 - QST (PG. 81) 10-GHz Bibliography - QST
- DEC 1985 - QST (PG. 78) Microwave Propagation by "Tropobackscatter" - QST
- DEC 1985 - QST (PG. 78) More Texas Microwave Activity - QST
1984
- JAN 1984 - QST (PG. 70) Periscope Antenna Systems - QST
- FEB 1984 - QST (PG. 68) Further Information on the Periscope Antenna - QST
- MAR 1984 - QST (PG. 73) Multiple-Cavity, Iris-Coupled Waveguide Filters - QST
- APR 1984 - QST (PG. 73) Coaxial Cable For Microwave Use - QST
- MAY 1984 - QST (PG. 77) Interdigital Mixer For 3.4 GHz, An - QST
- JUN 1984 - QST (PG. 75) 13-cm Moonbounce Notes - QST
- JUL 1984 - QST (PG. 69) Noise Temperature, Antenna Temperature And Sun Noise - QST
- AUG 1984 - QST (PG. 65) 13-cm GaAsFET Preamplifier - QST
- SEP 1984 - QST (PG. 56) New 1296 World Record - QST
- OCT 1984 - QST (PG. 59) GaAsFET Biasing And Transient-Voltage Protection - QST
- NOV 1984 - QST (PG. 72) Diode Mixers And Noise Figure - QST
1983
- JAN 1983 - QST (PG. 79) Parabolic Dish Feeds - QST
- FEB 1983 - QST (PG. 82) Power Splitters - QST
- MAR 1983 - QST (PG. 73) Beacons - QST
- APR 1983 - QST (PG. 62) 1296-MHz Two-Slug Tuner - QST
- MAY 1983 - QST (PG. 75) Scaling Antennas - QST
- JUN 1983 - QST (PG. 72) 1152- To 2304-MHz Doubler, A - QST
- JUL 1983 - QST (PG. 73) Power Indicator For A 1296-MHz Slug Tuner - QST
- AUG 1983 - QST (PG. 78) New DX Record On 3300 MHz - QST
- SEP 1983 - QST (PG. 78) 23-Cm Band Plan - QST
- OCT 1983 - QST (PG. 71) New World Record On 10 GHz - QST
- NOV 1983 - QST (PG. 83) Microwave Associates 10-GHz DX Award Presented - QST
- DEC 1983 - QST (PG. 84) Waveguide-to-Coax Transitions - QST
1982
- JAN 1982 - QST (PG. 80) Calculating System Noise Temperatures - QST
- FEB 1982 - QST (PG. 74) Microwave Horn Antennas - QST
- MAR 1982 - QST (PG. 19) The Gunnplexer Cookbook (Richardson) - (New Books) QST
- MAR 1982 - QST (PG. 79) Small Scale EME - QST
- APR 1982 - QST (PG. 71) Path Losses on the Higher Microwave Bands - QST
- JUN 1982 - QST (PG. 75) 1.3 GHz Alford Slot Antenna - QST
- JUL 1982 - QST (PG. 50) 10-GHz Operation in the UK - QST
- AUG 1982 - QST (PG. 76) Microwave Contest Operation - QST
- SEP 1982 - QST (PG. 67) RF Connectors - QST
- OCT 1982 - QST (PG. 72) California-Hawaii on 1296 MHz - QST
- NOV 1982 - QST (PG. 80) New 10-GHz DX Record - QST
- DEC 1982 - QST (PG. 79) 13 CM--The Next Band Up - QST
1981
- JAN 1981 - QST (PG. 68) Microwave Components - QST
- FEB 1981 - QST (PG. 63) Practical Dish Feed For The Higher Microwave Bands - QST
- MAR 1981 - QST (PG. 60) Microwave Moonbounce Made Easy - QST
- APR 1981 - QST (PG. 73) Microwave Matching Techniques - QST
- MAY 1981 - QST (PG. 66) Microwave Contests - QST
- JUN 1981 - QST (PG. 60) Aiming Microwave Antennas - QST
- JUL 1981 - QST (PG. 72) Amateur Microwave Spectrum Allocation - QST
- AUG 1981 - QST (PG. 65) 2304 MHz Preamplifier - QST
- SEP 1981 - QST (PG. 76) Loop Yagi For 2304 MHz - QST
- OCT 1981 - QST (PG. 78) UoSAT Microwave Beacons - QST
- DEC 1981 - QST (PG. 88) Solid-State EME On 1296 MHz - QST