QEX Download Files sorted by Date:

Last updated on 24 December 2009. Please report errors to qex@arrl.org.

File

Issue

Description

Author’s Name

Author’s Call

 

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

 

11x09_Mack_SDR_Gerber.zip

11/2009

Gerber Circuit Board files for the “SDR: Simplified” column.

Ray Mack

W5IFS

11x09_Mack_SDR_PDF.zip

11/2009

PDF files of Circuit Board layout for the “SDR: Simplified” column.

Ray Mack

W5IFS

11x09_Steder-Hardcastle.zip

11/2009

Crystal ladder filter design program for “Crystal Ladder Filters for All

Horst Steder

Jack Hardcastle

DJ6EV

G3JIR

 

9x09_Chapman.zip

9/2009

.Program files for “Build a Low Cost Iambic Keyer

Richard Chapman

KC4IFB

9x09_Miller_PCB.zip

9x09_Miller_Front.zip

9/2009

Circuit board and front panel CAD files for “Atomic Frequency Reference for your Shack.”

Bob Miller

KE6F

9x09_rescad.zip

9/2009

ResistorCAD program file described in “Letter” from Juan Monico, VA7IE

This file was updated 12/7/09 to include a ReadMe.txt file from the author that was missing from the original download file.

Terry Harris

Vadar Systems

9x09_Steinbaugh.zip

9/2009

Circuit board and parts placement files for Part 4, “A Cybernetic Sinusoidal Synthesizer.”

Gary Steinbaugh

AF8L

9x09_Zimmerman.zip

9/2009

EZNEC model file for “An Easily Erected 20 Meter Antenna for Emergency Use”

Robert Zimmerman

VE3RKZ

 

7x09_Mack_SDR.zip

7/2009

Program files for the “SDR: Simplified” column.

Ray Mack

W5IFS

 

 

 

 

 

 

3x09_Monroe.zip

3/2009

Various program files for “Some Assembly Required — How to Write a Simple Microcontroller Program.”

Roger Monroe

K7NTW

3x09_Spencer_Tech_Notes_PCB.zip

3x09_Spencer_Tech_Notes_asm.zip

3x09_Spencer_Tech_Notes_PPT.zip

3/2009

Tech Notes Column files. The PPT file is a Microsoft PowerPoint file that animates a couple of the propagation reception graphs.

The PCB file contains top and bottom circuit board files and parts placement overlay.

The asm file is the assembly language file for the PIC on the revised SID receiver interface.

Mark Spencer

WA8SME

3x09_Hubler_Schultz.zip

3/2009

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

3/2009

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

1/2009

The software files associated with the “SDR: Simplified” column. (11 KB)

Ray Mack

W5IFS

 

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. (3.58 MB)

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. (896 KB)

Frederick Hubler

11/2008

EZNEC model file for the five-element 2-m Yagi antenna described in “Offset Matching of Yagi-Uda Beams.” (349 bytes)

Robert Zimmerman

VE3RKZ

9/2008

LTSpice circuit simulation files for the circuits of Figures 6 and 7 of “A Great Teacher: The Crystal Set.” (2 KB)

Phil Anderson

W0XI

9/2008

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

Mark Spencer

WA8SME

9/2008

PIC program files and Windows Configuration Software files for “The Rechargeable Battery Cycler.” (452 KB)

Bertrand Zauhar

VE2ZAZ

7/2008

EZNEC files for the antennas modeled in the Antenna Options column. This column discusses one wavelength loops. (70 KB)

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. (30 KB)

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.” (1.86 MB and 124 KB)

James Ahlstrom

N2ADR

5/2008

Firmware and program files associated with “A Software Controlled Radio Preselector.”      (1.54 MB)

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. (26.7 KB)

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. (14 KB)

L. B. Cebik

W4RNL

1/2008

Program files and HEX code files for”A Low-Cost, Flexible USB Interface.” (645 KB)

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. (1.24 MB)

Jim Kocsis

WA9PYH

1/2008

Circuit board patterns and parts placement diagrams for “A Squelch Amplifier.” (1 KB)

John Laughlin

KE5KSC

1/2008

Files associated with “The Z100 CW Tuning Aid.” (1.7 MB)

Jack Smith

K8ZOA

1/2008

Octave script file for “More Octave for Transmission Lines.” (5.34 kB)

Maynard Wright

W6PAP

 

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.

(7.9 kB)

L. B. Cebik

W4RNL

11x07_Cordesses.zip

11/2007

Circuit board pattern and HEX program code for “SAN2PC: A Spectrum Analyzer to PC Interface.” (21.4 kB)

Roland Cordesses

F2DC

11x07_Gradijan.zip

11/2007

Various program files and audio files associated with “Program Your Own Voice Keyer/Recorder.” (859 kB)

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. (14.4 kB)

L. B. Cebik

W4RNL

9x07_Campanella.zip

9/2007

PIC controller hex program file for “A DDS Based QRSS (and CW) Beacon.” (4.5 kB)

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.” (151 kB)

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.”

(875 kB)

Steve Gradijan

WB5KIA

9x07_Steber.zip

9/2007

Text file with Table 1, Visual Basic Code Samples from “An Unusual Vector Network Analyzer.” (1.32 kB)

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.” (3.9 kB)

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. (82.4 kB)

L. B. Cebik

W4RNL

7x07_Eddy.zip

7/2007

MathCAD files used by the author to create graphs for “Voltage-Magnitude Impedance Measurement.” (57.7 kB)

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.”(3.63 kB

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. (85 kB)

L. B. Cebik

W4RNL

5x07_Koehler.zip

5/2007

ATMega32 microprocessor source code and HEX object code files for the Automatic Noise-Figure Meter (27 kB) 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.” (210 kB)

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.” (363 kB)

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. (14 kB)

L. B. Cebik

W4RNL

1x07_Stearns.zip

1/2007

EZNEC file for “All About the Discone Antenna.” (1 kB)

Steve Stearns

K6OIK

1x07_Wright.zip

1/2007

Octave script file for “Octave for Transmission Lines.” (3 kB)

Maynard Wright

W6PAP

 

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

 

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

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 0501.zip

 

0105downs.pdf

downscorr1.txt

 1/2005

"Why antennas radiate" appendix. Check back for updates. (120 kB

"Why antennas radiate" pdf.

Corrections to "Why antennas radiate."

Stuart Downs

 WY6EE

1x05trap.zip

1/2005

QST coaxial-trap discussion

Müller

DG1MFT

 

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

 

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

 

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

 

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 Q

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

 

 

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

 

1199SABN.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

STEP1199.ZIP

11/1999

PIC source code to control an MC145158 PLL IC

John Stephensen

KD6OZH

9909WADE.ZIP

9/1999

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

Paul Wade

W1GHX

BEDF0999.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

BING9907.ZIP

7/1999

Antenna-description file and radiation-pattern image

Grant Bingeman

KM5KG

SABIN799.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

ZAV9907.ZIP

7/1999

Antenna-description files and pattern images

Robert Zavrel

W7SX

99RF05.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

 

 

ANDADC.ZIP

12/1998

A Faster and Better ADC for the DDC-Based Receiver

Peter Traneus Anderson

KC1HR

G3DVV.ZIP

9/1998

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

John Brown

G3DVV

MORGANTI.ZIP

7/1998

A Continuous Coverage HF VFO

Francesco Morgantini

IK3OIL

ZAVREL.ZIP

7/1998

Multiple-Octave Bidirectional Wire Antennas 

Robert Zavrel, Jr

W7SX

 

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

 

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.MCD

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.BAS

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)

 

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 

 

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

 

8085SYS.ZIP

11/1993, 12/1993

Source code for 8085 development system

Sam Ulbing

N4UAU 

QEX1193.PS

11/1993

PC pattern for 2.3-GHz preamp (downloads QEX1193.ZIP, changed 2/14/00)

Zack Lau

W1VT (KH6CP)

ANTSYS.PCX

10/1993

Schematic bitmap symbols from early QST article

Ken Schofield

W1RIL

CIRCUITS.PCX

10/1993

Schematic bitmap symbols from early QST article

Ken Schofield

W1RIL

RC.PCX

10/1993

Schematic bitmap symbols from early QST article

Ken Schofield

W1RIL

TRANSLOG.PCX

10/1993

Schematic bitmap symbols from early QST article

Ken Schofield

W1RIL

MAV11.PS

9/1993

PC pattern for 2.3-GHz, 50-mW amplifier (downloads MAV11.ZIP, changed 2/14/00)

Zack Lau

W1VT (KH6CP)

TASM.ZIP

9/1993

Table-driver assembler for use with WEAVRDSP file

Carlos Puig

KJ6ST

WEAVRDSP.ZIP

9/1993

Source for DSP Weaver SSB modulator

Carlos Puig

KJ6ST

222XVTR.ZIP

7/1993

PC patterns for no-tune 222-MHz transverter

Zack Lau

W1VT (KH6CP)

JLEM.ZIP

1/1993

Source for 2k x 8 ROM emulator

John Nemec

AA6FJ & NS6Z