ARRL

QEXfiles

Files by Issue date

  • 2014

     

    File Name Issue Description Author(s) Call Sign
             
    9x14_Alldread.zip 9/2014 HC05_Bluetooth.ct file associated with "Android Wireless Project Control Part 3." Thomas Alldread  VA7TA
     7x14_Alldread.zip  7/2014  Source code files associated with "Android Wireless Project Control Part 2."  Thomas Alldread  VA7TA
     7x14_Richardson.zip  7/2014  Various program and Eagle schematic and circuit board files for "An RF Filter Evaluation Tool."  Gary Richardson  AA7VM
    1x14_Ewing.zip 1/2014 Software files associated with "A Software-Based Remote Receiver Solution." Martin Ewing AA6E
    1x14_Green.zip 1/2014 This file includes color photos, color graphs and text file for the program code in Figure 6 to accompany "An Extremely Wideband QRP SWR Meter." Dr. Sam Green W0PCE
    1x14_Simmons.zip 1/2014 This file includes color photos, ExpressPCB circuit board files and the program code associated with "A Polar Plotting Direction Finder." Bob Simmons WB6EYV
    1x14_Wright.zip 1/2014 This file includes the Octave program code listing, "Table_1.m and a ReadMe.txt file to explain how to use it. The files are for "More Octave for SWR." Maynard Wright W6PAP

  • 2013

     

    File Name Issue Description Author(s) Call Sign
             
    11x13_Clark.zip 11/2013 This file includes the model files described in "Build Amateur Radio Systems Using Scicoslab/Modnum." Jeremy Clark VE3PKC
    11x13_Kaune_PIC_Code.zip 11/2013 This file includes both the Assembly code and the HEX code for the PIC processor for "Using GPS to Fine Tune a Rubidium Frequency Standard." Bill Kaune W7IEQ
    9x13_Egano_Images.zip 9/2013 Color images for "A Model for Sporadic E: Meteors+Wind Shear+Lorentz Force." Flavio Egano IK3XTV
    9x13_McCullers_Images.zip 9/2013 Color images for "Line-of-Sight Signal Path Analysis Using Google Earth." Jim McCullers WA4CWI
    9x13_McCullers_Examples.zip 9/2013 Example KML files for "Line-of-Sight Signal Path Analysis Using Google Earth." Jim McCullers WA4CWI
    9x13_McCullers_Listings.zip 9/2013 KML program listings for "Line-of-Sight Signal Path Analysis Using Google Earth." Jim McCullers WA4CWI
    7x13_Lee.zip 7/2013 Program code and other files for "Motion Based Electrical Power Control." James Lee N1DDK
    7x13_simmons.zip 7/2013 PIC assembly code, CAD files and more for

    "A Two Meter APRS Beacon Transmitter"

    Bob Simmons WB6EYV
    7x13_Richardson.zip 7/2013 Python logic design files as well as schematic and the board layout files for "Yet Another Frequency Counter for the Experimenter" Gary Richardson AA7VM
    7x13_kellock.zip 7/2013 Schematics of the control board and the PLL oscillator for "A Microwave Transverter Controller." Hamish Kellock OH2GAQ
    5x13_Jonasson.zip 5/2013 Program code and other files for "Squeeze Every Last Drop Out of the AD8307 Log Amp." Loftur Jonasson TF3LJ / VE2LJX
    w8zr_power_supply.zip 5/2013 A complete schematic package and a spreadsheet with parts info for all the components on the PCB logic controller for "A Deluxe High Voltage Power Supply." James Garland W8ZR
    SDR Simplified 3-2013.zip 3/2013 Software and an Excel speadsheet for "SDR Simplified" Ray Mack W5IFS
    GerFunc.zip 3/2013 Firmware for the generator described in "A Simple yet Precise Function Generator for the Experimenter"  Ruben Fernandes VK5FE
    ROOS.zip 3/2013 Full size copies of the schematics and other pertinent data for "A Precision DDS for Frequency Measuring Tests" John Roos K6IQL
    sell.zip 1/2013 Source codes, CAD files and parts list for "Use Arduino Technology to Create a Clock/10 Minute Timer." Clark Sell N9APK
    1x13_Wright.zip 1/2013 GNU Octave Code for T- and Pi-Networks (Table 2.  The text file "table-2.m" is an Octave script file. Maynard Wright W6PAP

  • 2012

    File Name Issue Description Author(s) Call Sign
             
    11x12_Mack_SDR.zip 11/2012 The C program file for the Fast Fourier Transform (FFT) function described in "SDR Simplified." Ray Mack W5IFS
    9x12_Green.zip 9/2012 Software files associated with "A Fully Automated DDS Sweep Generator Measurement System - Take 2." Sam Green W0PCE
    9x12_Mack_SDR.zip 9/2012 Program files from "SDR: Simplified" to perform the filter calculations and display the filter response curves. Ray Mack W5IFS
    9x12_Prosch.zip 9/2012 GNU Radio Companion Flow Graph and Simulation result (Figures 7 and 8) for "A Minimalist Approximation of the Hilbert Transform." Theodor Prosch DL8PT
    7x12_Elmore.zip 7/2012 Color Photos for Figure 8 and other graphics for "A New Antenna Model." Glenn Elmore N6GN
    7x12_Toledo.zip 7/2012 Files for "A High-Performance Sound-Card AX.25 Modem." Sivan Toledo 4X6IZ
    7x12_Whiteside.zip 7/2012 ExpressPCB files and Meter Template file for "A Linear Scale Milliohm Meter." Steve Whiteside N2PON
    7x12_Works.zip 7/2012 Color photos of Figure 8 in "Confirmation Measurements of Vector Potential Waves."

    George Works

    Shelley Works

    KJ6VW

    KG4SRS

    5x12_Mack_SDR.zip 5/2012 The filter design files for the TI TMS320C5535 eZdsp development kit from "SDR: Simplified." Ray Mack W5IFS
    5x12_Wright.zip 5/2012 Octave script files, Tables 1 and 2, from "More Octave for L-Networks." Maynard Wright W6PAP
    3x12_Hightower.zip 3/2012 Windows USB driver files and Cypress CY8C3866 processor files for "Simple SDR Receiver." Michael Hightower KF6SJ
    3x12_Mack_SDR.zip 3/2012 DSP software files for the "SDR: Simplified" column. Ray Mack W5IFS
    3x12_Simmons 3/2012 ExpressPCB files and Asembly Language program code files for "A Simple Internet VoIP Board." Bob Simmons WB6EYV
    3x12_Traylor.zip 3/2012 Source code files for "An Open Source Keyer with Programmable Control Outputs." Roger Traylor ND7PA
    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
    1x12_Brown.zip 1/2012 Corrected Figure 3 for "End Man-Made Noise with the Noise Canceller." Fred Brown W6HPH

     

  • 2011

    File Name 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

     

  • 2010

    File Name 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

    1x10_Hamel.zip

     

    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

     

    1x10_Wright.zip 

    1/2010

    Octave script files for “Octave for Bessel Functions.” 

    Maynard Wright 

    W6PAP 

    9x09_ResCAD.zip

     

    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

     

     

  • 2009

     

    File Name 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

     

  • 2008

    File Name Issue Description Author(s) Call Sign
             

    11x08_Green_rev2.zip

     

    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

     

    11x08_Hubler.zip

     

    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

     

     

    11x08_Zimmerman.zip

     

    11/2008

    EZNEC model file for the five-element 2-m Yagi antenna described in “Offset Matching of Yagi-Uda Beams.”

    Robert Zimmerman

     

    VE3RKZ

     

    09x08_Anderson.zip

     

    9/2008

    LTSpice circuit simulation files for the circuits of Figures 6 and 7 of “A Great Teacher: The Crystal Set.”

    Phil Anderson

     

    W0XI

     

    9x08_Spencer.zip

     

    9/2008

    Software files associated with “SID: Study Cycle 24, Don’t Just Use It.”

    Mark Spencer

     

    WA8SME

     

    09x08_Zauhar.zip

     

    9/2008

    PIC program files and Windows Configuration Software files for “The Rechargeable Battery Cycler.”

    Bertrand Zauhar

     

    VE2ZAZ

     

    7x08_AO.zip 

    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

     

    5x08_AO.zip 

    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

    5x08_Ahlstrom.zip 

    5x08_Ahlstrom_QUISK.zip

    5/2008

    Software files associated with “An All Digital SSB Exciter for HF.” 

    James Ahlstrom

    N2ADR

    5x08_deOnate.zip

    5/2008

    Firmware and program files associated with “A Software Controlled Radio Preselector.”  

    Juan Jose de Onate 

    M0WWA 

    3x08_AO.zip

    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 

    1x08_AO.zip

    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 

    1x08_Baier.zip 

    1/2008

    Program files and HEX code files for”A Low-Cost, Flexible USB Interface.” 

    Professor Dr Thomas C. Baier 

    DG8SAQ 

    1x08_Kocsis.zip 

    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 

    1x08_Laughlin.zip 

    1/2008

    Circuit board patterns and parts placement diagrams for “A Squelch Amplifier.”  

    John Laughlin 

    KE5KSC 

    1x08_Smith.zip 

    1/2008

    Files associated with “The Z100 CW Tuning Aid.” 

    Jack Smith 

    K8ZOA 

    1x08_Wright.zip

    1/2008

    Octave script file for “More Octave for Transmission Lines.” 

    Maynard Wright 

    W6PAP

  • 2007

    File Name Issue Description Author(s) Call Sign
             

    2007_Index.pdf 

    11/2007

    This file is an Adobe PDF file of the index for 2007, Issues 240-245.

    Lori Weinberg

    KB1EIB

    11x07_AO.zip 

    11/2007

    EZNEC files for antennas modeled in the Antenna Options column. This column explores some horizontally polarized omnidirectional antennas. 

    L. B. Cebik

    W4RNL

    11x07_Cordesses.zip 

    11/2007

    Circuit board pattern and HEX program code for “SAN2PC: A Spectrum Analyzer to PC Interface.”

    Roland Cordesses

    F2DC

    11x07_Gradijan.zip 

    11/2007

    Various program files and audio files associated with “Program Your Own Voice Keyer/Recorder.”

    Steve Gradijan

    WB5KIA

    9x07_AO.zip 

    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

    9x07_Campanella.zip 

    9/2007

    PIC controller hex program file for “A DDS Based QRSS (and CW) Beacon.” 

    Matteo Campanella 

    IZ2EEQ

    09x07_Glenn.zip 

    9/2007

    Various Microsoft Excel Spreadsheets and EZNEC data files associated with “Using Gain-Probability Data to Compare Antenna Performances.”

    Fred Glenn 

    K9SO

    9x07_Gradijan.zip 

    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

    9x07_Steber.zip 

    9/2007

    Text file with Table 1, Visual Basic Code Samples from “An Unusual Vector Network Analyzer.”

    Dr George R. Steber 

    WB9LVI

    9x07_Wright.zip 

    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

    7x07_AO.zip 

    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

    7x07_Eddy.zip 

    7/2007

    MathCAD files used by the author to create graphs for “Voltage-Magnitude Impedance Measurement.” 

    F. N. Eddy 

     

     

    7x07_Turner.zip 

    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

    5x07_AO.zip

    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

    5x07_Koehler.zip

    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

    3x07_Baier.zip

    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

    3x07_Buoy.zip

    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

    1x07_AO.zip

    1/2007

    EZNEC files for antennas modeled in the Antenna Options column. This column looks at various narrowband NVIS antennas.

    L. B. Cebik

    W4RNL

    1x07_Stearns.zip

    1/2007

    EZNEC file for “All About the Discone Antenna.”

    Steve Stearns

    K6OIK

    1x07_Wright.zip

    1/2007

    Octave script file for “Octave for Transmission Lines.”

    Maynard Wright

    W6PAP

  • 2006

     

     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
             

    11x06_AO.zip

    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

    11x06Gradijan.zip

    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

    9x06_AO.zip

    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

    9x06_Audet.zip

    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

    7x06_AO.zip

    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

    7x06Steber.zip

    7/2006

    Software files for “I-V Curve Tracing with a PC” and companion July 2006 QST article. (114 kB)

    Dr. George Steber

    WB9LVI

    7x06_Wright.zip

    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

    5x06_AO.zip

    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

    5x06Gradijan.zip

    5/2006

    Talking Logbook with Rig Control software. This is the software installation file. (1.8 MB)

    Steve Gradijan

    WB5KIA

    5x06_Zimmerman.zip

    5/2006

    EZNEC antenna model file for Uniform Current Loop Radiators. (0.5 kB)

    Robert K. Zimmerman, Jr.

    NP4B

    3x06_Cebik.zip

    3/2006

    EZNEC files for antennas modeled in the Antenna Options column. (1 kB)

    L. B. Cebik

    W4RNL

    3x06Koehler.zip

    3/2006

    Controller software source code for "An L-Q Meter." (23 kB)

    Jim Koehler

    VA7DIJ

    3x06Rynone.zip

    3/2006

    WINDLOD.EXE and DOC file for "An Analysis of Stress in Guy-Wire Systems (55.5 kB)

    William Rynone, PhD, PE

    WB2EIQ

    1x06_AO.zip

    1/2006

    EZNEC files for antennas modeled in the Antenna Options column. (1.46 kB)

    L. B. Cebik

    W4RNL

    1x06Evans.zip

    1/2006

    Circuit files for PSpice analysis (1.38 MB)

    Randy Evans

    KJ6PO

    1x06_Harman_Ireland.zip

    1/2006

    Two images of the Harmanized R4C receiver (1.58 MB)

    Phil Harman, Steve Ireland

    VK6APH, VK6VZ

  • 2005

     

    File Name
    Issue Description Author(s) Call Sign
             

    300-hpxref.pdf

    11/2005

    HP to JEDEC parts cross reference (46 kB)

    Frank Carcia

    WA1GFZ

    9x05.harrison.zip

    9/2005

    Software for QRP DDS

    David Harrison

    W6IBC

    9x05Geissinger.zip

    9/2005

    Software package for “A USB controlled VFO” (506 kB)

    Gary Geissinger

    WAØSPM

    LMS Prog.zip

    9/2005

    Files and program for PC Sound card impedance bridge

    Dr George Steber

    WB9LVI

    5x05_Doberstein.zip

    5/2005

    Figures for “Using The SA605/615 IF Processor IC.”

    Dan Doberstein

    3x05Ball.zip

    3/2005

    PIC software for inexpensive TNC (505 kB)

    Bob Ball

    WB8WGA

    0105RF.zip

    1/2005

    1-GHz Waveguide Preamplifier Etching pattern and Harmonica model

    Zack Lau

    W1VT

    0105Evans.zip

    1/2005

    Excel spreadsheet to design PLLs (128 kB

    Randall Evans

    KJ6PO

    Downs_Appendix_A

    0105downs.pdf

    Downs_Correct.txt

    1/2005

    "Why antennas radiate" appendix.

    "Why antennas radiate" pdf.

    Corrections to "Why antennas radiate."

    Stuart Downs WY6EE

  • 2004

    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 Ireland
    N5EG
    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

     

  • 2003

     

    File Name Issue Description Author(s) Call Sign
             
    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

     

  • 2002

    File Name 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

                                                                                 

     

  • 2001

    File Name 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  

     

  • 2000

    File Name 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

     

  • 1999

     

    File Name Issue Description Author(s) Call Sign
             

    9911_Sabin.zip

    11/1999

    Schematic and parts placement for 100-W PA

    William Sabin

    W0IYH

    CAPQEX.zip

    11/1999

    ARD circuit file to model capacitor Q

    Zack Lau

    W1VT

    9911_Stephensen.zip

    11/1999

    PIC source code to control an MC145158 PLL IC

    John Stephensen

    KD6OZH

    9909_Wade.zip

    9/1999

    EPS files of Figures (see Readme.txt in file)

    Paul Wade

    W1GHZ

    9909_BEDF.zip

    9/1999

    Images of part-placement diagrams (dxf and jpg)

    Rodney Green

    VK7KRG

    EVMDOP.zip

    9/1999

    Windows based dopplergram program for DSP56002EVM

    Peter Martinez

    G3PLX

    9907_Bingeman.zip

    7/1999

    Antenna-description file and radiation-pattern image

    Grant Bingeman

    KM5KG

    9907_Sabin.zip

    7/1999

    Filter-construction information

    William E. Sabin

    W0IYH

    Smith3D.zip

    7/1999

    Sample 3D radiation-pattern plot with QuickBasic 4.5 source

    Doug Smith

    KF6DX

    9907_Zavrel.zip

    7/1999

    Antenna-description files and pattern images

    Robert Zavrel

    W7SX

    9905_RF.zip

    5/1999

    Transmission-Line modeling data for Amateur Radio Designer

    Zack Lau

    W1VT (KH6CP)

    DDS_VFO.zip

    7/1997, 1/1999

    Source and object code for DDS VFO (7/97) plus source code for temperature compensation via PIC (1/99)

    Curtis Pruess

    WB2V

    SSBTUNE.zip

    1/1999

    Tune SSB Automatically

    Robert Dick

     

     

  • 1998

     

    File Name Issue Description Author(s) Call Sign

     

     

     

     

     

    9811_Anderson_adc.zip

    11/1998

    A Faster and Better ADC for the DDC-Based Receiver

    Peter Traneus Anderson

    KC1HR

    9809_G3DVV.zip

    9/1998

    Front-End Design with ARRL Radio Designer: a 23-cm Preamp 

    John Brown

    G3DVV

    9807_Morgantini.zip

    7/1998

    A Continuous Coverage HF VFO

    Francesco Morgantini

    IK3OIL

    9807_Zavrel.zip

    7/1998

    Multiple-Octave Bidirectional Wire Antennas 

    Robert Zavrel, Jr

    W7SX

  • 1997

    File Name Issue Description Author(s) Call Sign
             
    TMATCH.zip 12/1997 Understanding the T-Tuner (C-L-C) Transmatch) William E. Sabin W0IYH
    VDHL.zip 12/1997 Modern Digital Design for the Radio Amateur John Wiseman KE3QG
    CLVRSTAT.zip 11/1997 A Software Package for Analyzing CLOVER Channel Statistics Ken Wickwire KB1JY
    97QEX09.zip 9/1997 A Simple Synchronous-AM Detector for the DDC-Based Receiver Peter Traneus Anderson KC1HR
    VE2CV.zip 8/1997 Loops for 80-Meter DX John S. Belrose VE2CV

     

  • 1996

     

    File Name Issue Description Author(s) Call Sign
             

    ATLC.ZIP

    12/1996

    Arbitrary Transmission Line Calculator program

    Dave Kirby

    G8WRB

    MAR8051.ZIP

    12/1996

    Source/object for ELMER 8051 development system monitor

    Anthony Marchese

    N2YM

    CONNTEMP.ZIP

    11/1996

    Templates to mount RF connectors

    Zack Lau

    W1VT (KH6CP)

    QEX3456.ZIP

    9/1996

    PC patterns for 3456-MHz transverter.

    Zack Lau

    W1VT (KH6CP)

    QEXASP.ZIP

    9/1996

    Source for DSP-based audio processor

    John Forrer

    KC7WW

    COAXMOD.ZIP

    8/1996

    Mathcad example transmission-line calculations

    William E. Sabin

    W0IYH

    PKTCVSD.ZIP

    8/1996

    Source for packet CVSD voice on TI DSK 

    Dirench Dogruoz, Carlos Lopez, Harvind Samra,  Brett Weldy

    KB0PRP

    144XVTR.ZIP

    5/1996

    PC patterns for no-tune 144-MHz transverter

    Zack Lau

    W1VT (KH6CP)

    ULTVFO.ZIP

    4/1996

    Source and object for DDS-based VFO (68HC11)

    Don Kirk

    WD8DSB

    KNEC.ZIP

    3/1996

    BASIC program to generate K values for use with NEC2, (ASCII)

    L. B. Cebik

    W4RNL

    DISHFD1.ZIP

    2/1996

    Parabolic dish aperture efficiency program (BASIC) 

    Bob Larkin

    W7PUA

    QEXCORR.ZIP

    2/1996

    Mathcad worksheets showing correlation concepts

    Jon Bloom

    KE3Z

    NETRANGE.ZIP

    1/1996

    Mathcad worksheets for computing range of matching networks.

    Zack Lau

    W1VT (KH6CP)

  • 1995

     

    File Name Issue Description Author(s) Call Sign

     

     

     

     

     

    HDLANT21.zip

    12/1995

    HDL_ANT (version 2.1) (for PCs) 

    Paul Wade

    N1BWT

    BLKBOX.zip

    11/1995

    Firmware source code for TM-741/742 module controller 

    Hugh Duff

    VA3TO

    QEXBSF.zip

    11/1995

    BASIC for calculating a 3-resonator BC-band-reject filter 

    Ed Wetherhold

    W3NQN

    PICCWID.zip

    10/1995

    Firmware for PIC-based repeater CW IDer

    Gary Sutcliff

    W9XT

    METEO.zip

    9/1995

    Software for capture/display of weather satellite images

    Guido Emiliani, Marciano Righini, Giampaolo Rossini

    I4GU, I4MY, IW4CSG

    YTAD.zip

    7/1995

    Yagi Terrain Analysis program

    R. Dean Straw

    N6BV

    QEXBERT.zip

    3/1995

    9600-bit/s packet BER test software.

    Jon Bloom

    KE3Z

    QEXRESP.zip

    2/1995

    Files for DSP system-response measurement

    Jon Bloom

    KE3Z

    QEXCLF.zip

    1/1995

    BASIC source for crystal-filter design procedure

    Jacob Makhinson

    N6NWP 

  • 1994

     

     

    File Name

    Issue

    Description

    Author(s)

    Call Sign

     

     

     

     

     

    HDL_ANT.zip

    9/1994- 11/1994

    Horn/Dish/Lens microwave antenna design program (for PCs) 

    Paul Wade

    N1BWT

    HDL_ANT2.zip

    9/1994- 11/1994

    HDL_ANT (version 2.0) use HDLANT21.ZIP instead

    Paul Wade

    N1BWT

    PSATOOL1.zip

    11/1994

    SPASM21 assembler for PSA sound-card DSP programming 

    John Forrer

    KC7WW

    PSATOR19.zip

    11/1994

    Shareware AMTOR/PACTOR using a DSP sound card

    John Forrer

    KC7WW

    QEXHFM.zip

    11/1994

    HF DSP modem source and demo program

    John Forrer

    KC7WW 

    QEXGPORT.zip

    10/1994

    PC game port A/D source code (C and QBASIC)

    Gary Sutcliff

    W9XT

    LNX5670.zip

    9/1994

    PCB patterns for 5760-MHz preamp

    Zack Lau

    W1VT (KH6CP)

    PSATOOLS.zip

    8/1994

    Tools for programming PSA sound card DSP

    John Forrer

    KC7WW

    QEXSNDCD.zip

    8/1994

    DSP sound card programming demo

    John Forrer

    KC7WW 

    QEXMODES.zip

    7/1994

    PCB patterns for Mode-S downconverter

    Zack Lau

    W1VT (KH6CP)

    PSHIFT.zip

    4/1994

    FORTRAN program to analyze audio phase-shift network

    Kevin Schmidt 

    W9CF 

    QEXCVSD.zip

    4/1994

    CVSD board drivers and test program (source)

    Jon Bloom

    KE3Z

    QEXPAD.zip

    4/1994

    VHF power attenuator design program

    Paul Wade

    N1BWT

    TXT2EPRM.zip

    2/1994

    Morse ID generator programming utility

    Nick Ciarallo

    VE2HOT

    QEXFQ194.zip

    1/1994

    Pascal source for PC frequency counter project

    John Nemec

    NS6Z

     

  • 1993