Files by Issue date
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Filename Issue Description Author(s) Call Sign 1x12_Audet.zip 1/2012 MathCAD, Adobe PDF and Microsoft Excel files for "Q Factor Measurements on L-C Circuits" Jacques Audet VE2AZX 1x12_Maetta.zip 1/2012 PIC program source files and Eagle circuit board files for "Pic'n on the Thunderbolt" John Maetta N6VMO -
Filename Issue Description Author(s) Call Sign 11x11_Apel_Table_3.zip 11/2011 Corrected Table 3 for "A New Horizontal Polarized High Gain Omni-Directional Antenna." Tom Apel K5TRA 11x11_Mack_DSP.zip 11/2011 These are the files for the Texas Instruments TMDX5535EZDSP evaluation board from the SDR: Simplified column. Ray Mack W5IFS 9x11_Wright.zip 9/2011 Octave files from Tables 2, 3, 4 and 5 to run various plots from "Ovtave for Curve Fitting." Maynard Wright W6PAP 7x11_Appel.zip 7/2011 Lowpass Filter Designer software for "Filter Synthesis Using Equal Ripple Optimization." Gary Appel WA0TFB 7x11_Hontoria.zip 7/2011 Exrpess PCB file and color photos for "A 10 MHz to 6 GHz Power Meter." James Hontoria W1JGH 7x11_Johnson.zip 7/2011 Controller source code for "Programmable PLL (Si570) Local Oscillator for HF Receivers, Transmitters and Transceivers." Craig Johnson AA0ZZ 5x11_McDermott.zip 5/2011 The files described in "A Flexible 2-Port Network Calculator Tool." This ZIP file includes an executable file for the tool, a help file, the tool source code and the three example design files described in the article. Tom McDermott N5EG 5x11_Siwiak.zip 5/2011 Supplemental information, including MathCAD files for "An Optimum Height for an Elevated HFAntenna." Kazimierez "Kai" Siwiak KE4PT 5x11_Stephensen.zip 5/2011 The microprocessor source code file for "A Stable Low-Noise VFO for VHF-UHF Transceivers and Transverters." John Stephensen KD6OZH 3x11_Roos.zip 3/2011 "Converting a Vintage 5 MHz Frequency Standard to 10 MHz with a Low Spurious Frequency Doubler" John C. Roos K6IQL 3x11_Wright.zip 3/2011 A Readme.txt file and the Octave program code listed in Table 1 of "Octave for L-Networks." Maynard Wright W6PAP 1x11_Ahlstrom.zip 1/2011 The Eagle circuit board files and the FPGA program files for "An All Digital Transceiver for HF" James Ahlstrom N2ADR 1x11_Paskvan.zip 1/2011 Color photo of a completed feed horn and larger graphs for Figures 2, 3 and 4 for "An All Purpose High Gain Antenna for 2400 MHz." See the Jan 2011 listing of This Month in QEX for a PDF of this complete article, including the last page, which was omitted in the printed version of the article. Roger Paskvan WA0IJU 1x11_AADE_Filter_Design.zip 1/2011 Instructions for installing the Almost All Digital Electronics Filter Design Program, along with the prgram installation file. This program was referenced in "Seventh-Order Unequal-Ripple SVC Low-Pass Filters with Improved Second Harmonic Attenuation." Dave Gordon-Smith G3UUR -
Filename Issue Description Author(s) Call Sign
Nash.zip 11/2010 Collection of files for "An Event per Unit Time Measurement System for Rubidium Frequency Standards." Bob Nash KF6CDO 9x10_Bowman.zip 9/2010 Microsoft Excel spreadsheet created as an alternative to the HP 35s programmable calculator program Michael Bowman KG2MG 7x10_Zimmerman.zip 7/2010 EZNEC model files for "A 20 Meter Sleeve Dipole Without the Sleeve." Robert Zimmerman VE3RKZ 11x09_Steder_Hardcastle.zip 7/2010
11/2009
Crystal ladder filter design program for “Crystal Ladder Filters for All. This file is an updated program file, described in the Jul/Aug 2010 Horst Steder Jack Hardcastle DJ6EV G3JIR 5x10_Bern.zip 5/2010 Program, documentation and other files associated with “A PS/2 Keyer: Using a Keyer Paddle to Emulate a PS/2 Keyboard and Mouse.” David Bern W2LNX 5x10_Fernandes.zip 5/2010 This is the hex program code for the PIC16F876A microcontroller used in”A Frequency Counter for the Experimenter.” Rubens Ramos Fernandes ex-PY2QE 3X10_Harrison_McGwier.zip 3/2010 EZNEC-4 model files for "Design, Construction and Evaluation of the Eight Circle Vertical Array for Low Band Receiving." Joel Harrison
Bob McGwier
W5ZN
N4HY
3x10_Kopski.zip 3/2010 Bob Kopski K3NHI 3x10_Post.zip 3/2010 A Microsoft Excel spreadsheet to calculate oscillator design parameters for "On Maximizing the Tuning Range of SA/NE 602 IC Colpitts Oscillators." John Post KA5GSQ 1/2010
LTSpice simulation files for the Tech Notes article on “Outphasing Modulation of High Efficiency Amplifiers.” This is a follow up article to Mike Hamel’s Sep/Oct 09 article, “Phase Controlled Differential Drive for EER Amplifiers.”
Mike Hamel
David Cripes
WO1U
NM0S
1/2010
Octave script files for “Octave for Bessel Functions.”
Maynard Wright
W6PAP
1/2010
ResistorCAD program file originally described in “Letter” from Juan Monico, VA7IE, in the Sep/Oct 09 issue.
This file was updated 12/7/09 to include a ReadMe.txt file from the author that was missing from the original download file. Thanks to Dave Green, VE3TLY, for bringing this to our attention in a “Letter” in the Jan/Feb 10 issue.
Terry Harris
Vadar Systems
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Filename Issue Description Author(s) Call Sign 11x09_Mack_SDR_Gerber.zip Nov-09 Gerber Circuit Board files for the “SDR: Simplified” column. Ray Mack W5IFS 11x09_Mack_SDR_PDF.zip Nov-09 PDF files of Circuit Board layout for the “SDR: Simplified” column. Ray Mack W5IFS 11x09_Steder-Hardcastle.zip Nov-09 Crystal ladder filter design program for “Crystal Ladder Filters for All." This is an updated file, as described in Jul/Aug 2010 Letters. Horst Steder Jack Hardcastle DJ6EV G3JIR 9x09_Chapman.zip Sep-09 .Program files for “Build a Low Cost Iambic Keyer Richard Chapman KC4IFB 9x09_Miller_PCB.zip Sep-09 Circuit board and front panel CAD files for “Atomic Frequency Reference for your Shack.” Bob Miller KE6F 9x09_Miller_Front.zip 9x09_rescad.zip Sep-09 ResistorCAD program file described in “Letter” from Juan Monico, VA7IE Terry Harris Vadar Systems This file was updated 12/7/09 to include a ReadMe.txt file from the author that was missing from the original download file. 9x09_Steinbaugh.zip Sep-09 Circuit board and parts placement files for Part 4, “A Cybernetic Sinusoidal Synthesizer.” Gary Steinbaugh AF8L 9x09_Zimmerman.zip Sep-09 EZNEC model file for “An Easily Erected 20 Meter Antenna for Emergency Use” Robert Zimmerman VE3RKZ 7x09_Mack_SDR.zip Jul-09 Program files for the “SDR: Simplified” column. Ray Mack W5IFS 3x09_Monroe.zip Mar-09 Various program files for “Some Assembly Required — How to Write a Simple Microcontroller Program.” Roger Monroe K7NTW 3x09_Spencer_Tech_Notes_PCB.zip Mar-09 Tech Notes Column files. The PPT file is a Microsoft PowerPoint file that animates a couple of the propagation reception graphs. Mark Spencer WA8SME 3x09_Spencer_Tech_Notes_asm.zip The PCB file contains top and bottom circuit board files and parts placement overlay. 3x09_Spencer_Tech_Notes_PPT.zip The asm file is the assembly language file for the PIC on the revised SID receiver interface. 3x09_Hubler_Schultz.zip Mar-09 Letters Column. This file is a program to calculate parameters for Frederick Hubler’s Nov/Dec 2008 article, Broadband Impedance Matching. Steven Schultz WB8WGY 5x07_Koehler.zip Mar-09 Letters Column. This file is an updated program file for Jim Koehler’s May/Jun 2007 article, An Automatic Noise Figure Meter James Koehler VE5FP 1x09_SDR_Simplified.zip Jan-09 The software files associated with the “SDR: Simplified” column. (11 KB) Ray Mack W5IFS -
Filename Issue Description Author(s) Call Sign 11/2008
Software files and some color photos associated with “Fully Automated DDS Sweep Generator Measurement System. This file includes software updates provided by the author on 1 Dec 08.
Dr. Sam Green
W0PCE
11/2008
Spice circuit simulation files for “Broadband Impedance Matching, along with a self-executing file with a version of UC Berkeley Spice ver 3f5.
Frederick Hubler
11/2008
EZNEC model file for the five-element 2-m Yagi antenna described in “Offset Matching of Yagi-Uda Beams.”
Robert Zimmerman
VE3RKZ
9/2008
LTSpice circuit simulation files for the circuits of Figures 6 and 7 of “A Great Teacher: The Crystal Set.”
Phil Anderson
W0XI
9/2008
Software files associated with “SID: Study Cycle 24, Don’t Just Use It.”
Mark Spencer
WA8SME
9/2008
PIC program files and Windows Configuration Software files for “The Rechargeable Battery Cycler.”
Bertrand Zauhar
VE2ZAZ
7/2008
EZNEC files for the antennas modeled in the Antenna Options column. This column discusses one wavelength loops.
L. B. Cebik (SK)
This is the final Antenna Options column that we had received from L. B. before his death.
W4RNL
5/2008
EZNEC files for the antennas modeled in the Antenna Options column. This column discusses various types of reflectors.
L. B. Cebik (SK)
It is with the deepest sorrow that we report that L. B. became a Silent Key in April 2008.
W4RNL
5/2008
Software files associated with “An All Digital SSB Exciter for HF.”
James Ahlstrom
N2ADR
5/2008
Firmware and program files associated with “A Software Controlled Radio Preselector.”
Juan Jose de Onate
M0WWA
3/2008
Excel and Quatro Pro format spreadsheets for calculations described in the Antenna Options column. This column discusses impedance matching for beam antennas.
L. B. Cebik
W4RNL
1/2008
EZNEC files for antennas modeled in the Antenna Options column. This column looks at some larger choices for horizontally polarized omnidirectional antennas.
L. B. Cebik
W4RNL
1/2008
Program files and HEX code files for”A Low-Cost, Flexible USB Interface.”
Professor Dr Thomas C. Baier
DG8SAQ
1/2008
Circuit board patterns and parts placement diagrams for “A 2256 MHz PLL Local Oscillator.” Assembly language PIC program file and HEX code files are also included.
Jim Kocsis
WA9PYH
1/2008
Circuit board patterns and parts placement diagrams for “A Squelch Amplifier.”
John Laughlin
KE5KSC
1/2008
Files associated with “The Z100 CW Tuning Aid.”
Jack Smith
K8ZOA
1/2008
Octave script file for “More Octave for Transmission Lines.”
Maynard Wright
W6PAP
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File Name Issue Description Author(s) Call Sign 11/2007
This file is an Adobe PDF file of the index for 2007, Issues 240-245.
Lori Weinberg
KB1EIB
11/2007
EZNEC files for antennas modeled in the Antenna Options column. This column explores some horizontally polarized omnidirectional antennas.
L. B. Cebik
W4RNL
11/2007
Circuit board pattern and HEX program code for “SAN2PC: A Spectrum Analyzer to PC Interface.”
Roland Cordesses
F2DC
11/2007
Various program files and audio files associated with “Program Your Own Voice Keyer/Recorder.”
Steve Gradijan
WB5KIA
9/2007
EZNEC files for the antennas modeled in the Antenna Options column. This column looks at circularly polarized satellite antennas.
L. B. Cebik
W4RNL
9/2007
PIC controller hex program file for “A DDS Based QRSS (and CW) Beacon.”
Matteo Campanella
IZ2EEQ
9/2007
Various Microsoft Excel Spreadsheets and EZNEC data files associated with “Using Gain-Probability Data to Compare Antenna Performances.”
Fred Glenn
K9SO
9/2007
Various program and text files associated with “Turbo Delphi Explorer: Develop Amateur Radio Projects for Windows with a Free Compiler.”
Steve Gradijan
WB5KIA
9/2007
Text file with Table 1, Visual Basic Code Samples from “An Unusual Vector Network Analyzer.”
Dr George R. Steber
WB9LVI
9/2007
Octave script files for the program listings in Tables 1, 2, 4 and 5 from “Octave for Circle Diagrams.”
Maynard A. Wright
W6PAP
7/2007
EZNEC files for the antennas modeled in the Antenna Options column. This column looks at reversible wire beam antennas.
L. B. Cebik
W4RNL
7/2007
MathCAD files used by the author to create graphs for “Voltage-Magnitude Impedance Measurement.”
F. N. Eddy
7/2007
Microsoft Excel spreadsheet example file for three element cubical quad antenna design described in “Microsoft Excel for Antenna Modeling.”
Brian B. Turner
K2SJM
5/2007
EZNEC files for antennas modeled in the Antenna Options column. This column looks at NVIS antennas for special needs.
L. B. Cebik
W4RNL
5/2007
ATMega32 microprocessor source code and HEX object code files for the Automatic Noise-Figure Meter
NOTE: In the Mar/Apr 2009 issue, in the Letters column, the author informed readers that he had discovered an error in the code, and he provided a new file. That new file is the one linked here for download.Jim Koehler
VE5FP
3/2007
Color graphs and original captions for Figures 12, 13, 16, 17 and 18 from “A Low Budget Vector Network Analyzer for AF to UHF.”
Professor Dr Thomas C. Baier
DG8SAQ
3/2007
An assembly guide and an operators guide, along with a printable file to make the project box label for “IsoCat.: USB Transceiver Control and Sound Card Interface.”
William Buoy
N5BIA
1/2007
EZNEC files for antennas modeled in the Antenna Options column. This column looks at various narrowband NVIS antennas.
L. B. Cebik
W4RNL
1/2007
EZNEC file for “All About the Discone Antenna.”
Steve Stearns
K6OIK
1/2007
Octave script file for “Octave for Transmission Lines.”
Maynard Wright
W6PAP
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File Name Issue Description Author(s) Call Sign
7x06Steber.zip 7/2006 Firmware for transistor curve tracer George Steber WB9LVI File Name Issue Description Author(s) Call Sign 11/2006
EZNEC files for antennas modeled in the Antenna Options column. This column explores some options for wire beam antennas. (11 kB)
L. B. Cebik
W4RNL
11/2006
Various program source code files associated with “Command and Control: Talk to Your Radio and Your Radio May Talk Back.” (1.44 MB)
Steve Gradijan
WB5KIA
9/2006
EZNEC files for antennas modeled in the Antenna Options column. This column looks at various horizontal dipole arrays. (5 kB)
L. B. Cebik
W4RNL
9/2006
MathCAD files associated with “Q Calculations of L-C Circuits and Transmission Lines: A Unified Approach.” The Microsoft Excel file “Calc_SeriesRLC.xls” is also included. (1.18 MB)
Jacques Audet
VE2AZX
7/2006
EZNEC files for antennas modeled in the Antenna Options column. This column looks at various vertical dipole arrays. (5 kB)
L. B. Cebik
W4RNL
7/2006
Software files for “I-V Curve Tracing with a PC” and companion July 2006 QST article. (114 kB)
Dr. George Steber
WB9LVI
7/2006
Octave executable model file for “Octave for System Modeling.” Also included are Tables 2 and 3 from the article, with code snippets for other model variations discussed in the text. (2.95 kB)
Maynard Wright
W6PAP
5/2006
EZNEC files for antennas modeled in the Antenna Options column. This column looks at the bandwidth of several Yagi and quad antenna designs. (3.77 kB)
L. B. Cebik
W4RNL
5/2006
Talking Logbook with Rig Control software. This is the software installation file. (1.8 MB)
Steve Gradijan
WB5KIA
5/2006
EZNEC antenna model file for Uniform Current Loop Radiators. (0.5 kB)
Robert K. Zimmerman, Jr.
NP4B
3/2006
EZNEC files for antennas modeled in the Antenna Options column. (1 kB)
L. B. Cebik
W4RNL
3/2006
Controller software source code for "An L-Q Meter." (23 kB)
Jim Koehler
VA7DIJ
3/2006
WINDLOD.EXE and DOC file for "An Analysis of Stress in Guy-Wire Systems (55.5 kB)
William Rynone, PhD, PE
WB2EIQ
1/2006
EZNEC files for antennas modeled in the Antenna Options column. (1.46 kB)
L. B. Cebik
W4RNL
1/2006
Circuit files for PSpice analysis (1.38 MB)
Randy Evans
KJ6PO
1/2006
Two images of the Harmanized R4C receiver (1.58 MB)
Phil Harman, Steve Ireland
VK6APH, VK6VZ
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File Name Issue Description Author(s) Call Sign 11/2005
HP to JEDEC parts cross reference (46 kB)
Frank Carcia
WA1GFZ
9/2005
Software for QRP DDS
David Harrison
W6IBC
9/2005
Software package for “A USB controlled VFO” (506 kB)
Gary Geissinger
WAØSPM
9/2005
Files and program for PC Sound card impedance bridge
Dr George Steber
WB9LVI
5/2005
Figures for “Using The SA605/615 IF Processor IC.”
Dan Doberstein
—
3/2005
PIC software for inexpensive TNC (505 kB)
Bob Ball
WB8WGA
1/2005
1-GHz Waveguide Preamplifier Etching pattern and Harmonica model
Zack Lau
W1VT
1/2005
Excel spreadsheet to design PLLs (128 kB
Randall Evans
KJ6PO
1/2005 "Why antennas radiate" appendix.
"Why antennas radiate" pdf.
Corrections to "Why antennas radiate."
Stuart Downs WY6EE -
File Name Issue Description Author(s) Call Sign Remote Impedance Measurement.zip 7/2004 Improved remote antenna-impedance measurement spreadsheet Ron Barker G4JNH, VK3INH, ex VK2INH VNA.zip 7/2004 Host and target source, schematic for 100 MHz vector network analyzer with USB interface. Tom McDermott
Karl IrelandN5EG 0405GARDNER.ZIP 5/2004 Graphics files of Figs 2-8 Glen Gardner AA8C 0405SIEG.ZIP 5/2004 Code for programming microprocessor Chris Sieg WA3LDI 0405Lichtel.zip 5/2004 USB Firmware Users Guide - Assembly version Dick Lichtel KD4JP 0403MILES.ZIP 3/2004 UHF Microwave synthesizer John Miles KE5FX 0403BUXTON.ZIP 3/2004 GWBasic programs for multiband dipoles Al Buxton W8NX 0403EVANS.ZIP 3/2004 Tapped capacitor matching Randy Evans KJ6PO 0403RF.ZIP 3/2004 1296 MHz signal source Zack Lau W1VT 0311KOPSKI.ZIP 1/2004 Parts placement diagram Bob Kopski K3NHI -
File Name Issue Description Author(s) Call Sign 0311KOPSKI.ZIP 1/2004 Parts placement diagram Bob Kopski K3NHI 1103SCARLETT.ZIP 11/2003 Filter tables and bias calcs Jim Scarlett KD7O 0307CICC.ZIP 7/2003 PLD info, graphics, etching patterns Larry Cicchinelli K3PTO 3x09EVANS.ZIP 9/2003 Spreadsheets for ladder filter design Randy Evans KJ6PO 7X03TRASK.ZIP 7/2003 Antenna models Chris Trask K7ZWY 0303LOGS.ZIP 5/2003 Logging files for Palm organizers Paul Wade W1GHZ 0303YOUN.ZIP 3/2003 Worksheet to analyze SDR-1000 Gerald Youngblood AC5OG 0103MORN.ZIP 1/2003 Basic Stamp 2 source and figures Manfred Mornhinweg XQ2FOD -
Filename Issue Description Author(s) Call Sign 1102YOUNGBLOOD.ZIP 11/2002 Demo program source code. Gerald Youngblood AC5OG 0209ERBAUGH.ZIP 9/2002 Borlund Delphi component to control Pegasus. Mark Erbaugh N8ME 0902YOUNGBLOOD.ZIP 9/2002 Visual Basic source to use MS DirectX8 driver. Gerald Youngblood AC5OG 9X02 STEP.ZIP 9/2002 Color versions of article figures. John Stephensen KD6OZH DIGIXCVR.ZIP 7/2002 Excel worksheet for Digital Transceiver Design. James Scarlett KD7O OWA EZS.ZIP 7/2002 EZNEC descriptions for Optimized Wideband Antennas. L. B. Cebik W4RNL 0205EVANS.ZIP 5/2002 Excel worksheet for battery-charger design with TI/Unitrode UC3906 IC. Randy Evans KJ6PO 0302BEST.ZIP 3/2002 EZNEC descriptions for loop and fractal-loop antennas. Steven R. Best VE9SRB 0102HANDELSMAN.ZIP 1/2002 NEC antenna description files for asymmetrical double rectangle antennas. Dan Handelsman N2DT 1X02SAGE.ZIP 1/2002 Color versions of article graphics. Philip Sage KF8JW QUADS.ZIP 1/2002 EZNEC descriptions for "Quads Revisited" series updated for Part 5 R. P. Haviland W4MB -
Filename Issue Description Author(s) Call Sign Quads.zip 11/2000 3/2001 1/2002 EZNEC descriptions for "Quads Revisited" series R. P. Haviland W4MB RF1101.ZIP 11/2001 EZNEC description file for 10-m turnstile antenna Zack Lau W1VT ZANEK1101.ZIP 11/2001 Datasheet for MA4P1250-1072T Pavel Zanek OK1DNZ BARKER0901.ZIP 9/2001 Excel worksheet for remote antenna impedance measurement Ron Barker G4JNH MURPHY0901.ZIP 9/2001 GWBasic files supporting article about coil George Murphy VE3ERP TRAVANTY.ZIP 7/2001 Excel workbook to analyze antenna/tower wind loading Frank Travanty W9JCC ATR2000.ZIP 3/2001 PIC source files for an HF transceiver project John Stephensen KD6OZH OCDFEZ.ZIP 3/2001 EZNEC descriptions of off-center-fed dipole Zack Lau W1VT PTCWAVE.ZIP 3/2001 Audio samples of normal and PTC-encoded voice Doug Smith KF6DX PIC_DAS.ZIP 1/2001 Files and support for PC based data-acquisition system Steve Hageman Peter Bertini -
Filename Issue Description Author(s) Call Sign SCHEMAT.ZIP 12/2000 Schematic bitmap symbols from QST Hints and Kinks Bob Schetgen KU7G THERMIST.ZIP 11/2000 BASIC source for design of thermistor circuits Bill Sabin W0IYH 00RF09.ZIP 9/2000 70-cm band-pass filter and twin-lead dipole feed Zack Lau W1VT NBPF.ZIP 9/2000 Narrow band-pass filters for HF Bill Sabin W0IYH REGENFIG.ZIP 9/2000 Super-regenerative receivers graphics Charles Kitchin N1TEV UHFREM.ZIP 9/2000 87C750 source code for remote keyer, IDer Sam Ulbing N4UAU LPDAPT2.ZIP 7/2000 LPDA antenna description files L. B. Cebik W4RNL PETELOOP.ZIP 7/2000 TI-82 program to analyze PLL loop stability Rick Peterson WA6NUT LPDAPT1.ZIP 5/2000 LPDA antenna description files L. B. Cebik W4RNL 0003N9KS.ZIP 3/2000 QST Author construction template for "A Simple Antenna Flipper" in Hints and Kinks Ken Secora N9KS 0300KOC.ZIP 3/2000 PC patterns and parts list for WEFAX down-converter Jim Kocsis WA9PYH 0001DUNC.ZIP 1/2000 PC patterns and firmware for Scanner Controller Thomas Duncan KG4CUY 0001RF.ZIP 1/2000 ARRL Radio Designer V1.5 balun circuit description Zack Lau W1VT 0100HAGE.ZIP 1/2000 Software for 2-250 MHz Signal Source Steve Hageman LA0999.ZIP 1/2000 Firmware for Logic Analyzer Larry Cicchinelli K3PTO -
Filename Issue Description Author(s) Call Sign -
Filename Issue Description Author(s) Call Sign