QEX Download Files sorted by Date:

Last updated on 09/09/2005 11:39 AM. Please report errors to qex@arrl.org.

File

Issue

Description

Author’s Call

Author’s Name

9x05Geissinger.zip

9/2005

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

WAØSPM

Gary Geissinger

LMS Prog.zip

9/2005

Files and program for PC Sound card impedance bridge

WB9LVI

Dr George Steber

5x05doberstein.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)

WB8WGA

Bob Ball

0105RF.zip

1/2005

1-GHz Waveguide Preamplifier Etching pattern and Harmonica model

W1VT

Zack Lau

0105Evans.zip

1/2005

Excel spreadsheet to design PLLs (128 kB

KJ6PO

Randall Evans

 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."

 WY6EE

Stuart Downs

1x05trap.zip

1/2005

QST coaxial-trap discussion

DG1MFT

Müller

Remote Impedance Measurement.zip

7/2004

Improved remote antenna-impedance measurement spreadsheet

G4JNH, VK3INH, ex VK2INH

Ron Barker

VNA.zip

7/2004

Host and target source, schematic for 100 MHz vector network analyzer with USB interface.

N5EG

Tom McDermott

Karl Ireland

0405GARDNER.ZIP

5/2004

Graphics files of Figs 2-8

AA8C

Glen Gardner

0405SIEG.ZIP

5/2004

Code for programming microprocessor

WA3LDI

Chris Sieg

0405Lichtel.zip

5/2004

USB Firmware Users Guide - Assembly version

KD4JP

Dick Lichtel

0403MILES.ZIP

3/2004

UHF Microwave synthesizer

KE5FX

John Miles

0403BUXTON.ZIP

3/2004

GWBasic programs for multiband dipoles

W8NX

Al Buxton

0403EVANS.ZIP

3/2004

Tapped capacitor matching

KJ6PO

Randy Evans

0403RF.ZIP

3/2004

1296 MHz signal source

W1VT

Zack Lau

0311KOPSKI.ZIP

1/2004

Parts placement diagram

K3NHI

Bob Kopski

1103SCARLETT.ZIP

11/2003

Filter tables and bias calcs

KD7O

Jim Scarlett

0307CICC.ZIP

7/2003

PLD info, graphics, etching patterns

K3PTO

Larry Cicchinelli

3x09EVANS.ZIP

9/2003

Spreadsheets for ladder filter design

KJ6PO

Randy Evans

7X03TRASK.ZIP

7/2003

Antenna models

K7ZWY

Chris Trask

0303LOGS.ZIP

5/2003

Logging files for Palm organizers

W1GHZ

Paul Wade

0303YOUN.ZIP

3/2003

Worksheet to analyze SDR-1000

AC5OG

Gerald Youngblood

0103MORN.ZIP

1/2003

Basic Stamp 2 source and figures

XQ2FOD

Manfred Mornhinweg

1102YOUNGBLOOD.ZIP

11/2002

Demo program source code

AC5OG

Gerald Youngblood

0209ERBAUGH.ZIP

9/2002

Borlund Delphi component to control Pegasus

N8ME

Mark Erbaugh

0902YOUNGBLOOD.ZIP

9/2002

Visual Basic source to use MS DirectX8 driver

AC5OG

Gerald Youngblood

9X02 STEP.ZIP

9/2002

Color versions of article figures

KD6OZH

John Stephensen

DIGIXCVR.ZIP

7/2002

Excel worksheet for Digital Transceiver Design

KD7O

James Scarlett

OWA EZS.ZIP

7/2002

EZNEC descriptions for Optimized Wideband Antennas

W4RNL

L. B. Cebik

0205EVANS.ZIP

5/2002

Excel worksheet for battery-charger design with TI/Unitrode UC3906 IC

KJ6PO

Randy Evans

0302BEST.ZIP

3/2002

EZNEC descriptions for loop and fractal-loop antennas

VE9SRB

Steven R. Best

0102HANDELSMAN.ZIP

1/2002

NEC antenna description files for asymmetrical double rectangle antennas

N2DT

Dan Handelsman

1X02SAGE.ZIP

1/2002

Color versions of article graphics

KF8JW

Philip Sage

QUADS.ZIP

1/2002

EZNEC descriptions for "Quads Revisited" series updated for Part 5

W4MB

R. P. Haviland

QUADS.ZIP

11/2000 3/2001 1/2002

EZNEC descriptions for "Quads Revisited" series

W4MB

R. P. Haviland

RF1101.ZIP

11/2001

EZNEC description file for 10-m turnstile antenna

W1VT

Zack Lau

ZANEK1101.ZIP

11/2001

Datasheet for MA4P1250-1072T

OK1DNZ

Pavel Zanek

BARKER0901.ZIP

9/2001

Excel worksheet for remote antenna impedance measurement

G4JNH

Ron Barker

MURPHY0901.ZIP

9/2001

GWBasic files supporting article about coil Q

VE3ERP

George Murphy

TRAVANTY.ZIP

7/2001

Excel workbook to analyze antenna/tower wind loading

W9JCC

Frank Travanty

ATR2000.ZIP

3/2001

PIC source files for an HF transceiver project

KD6OZH

John Stephensen

OCDFEZ.ZIP

3/2001

EZNEC descriptions of off-center-fed dipole

W1VT

Zack Lau

PTCWAVE.ZIP

3/2001

Audio samples of normal and PTC-encoded voice

KF6DX

Doug Smith

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

KU7G

Bob Schetgen

THERMIST.ZIP

11/2000

BASIC source for design of thermistor circuits

W0IYH

Bill Sabin

00RF09.ZIP

9/2000

70-cm band-pass filter and twin-lead dipole feed

W1VT

Zack Lau

NBPF.ZIP

9/2000

Narrow band-pass filters for HF

W0IYH

Bill Sabin

REGENFIG.ZIP

9/2000

Super-regenerative receivers graphics

N1TEV

Charles Kitchin

UHFREM.ZIP

9/2000

87C750 source code for remote keyer, IDer

N4UAU

Sam Ulbing

LPDAPT2.ZIP

7/2000

LPDA antenna description files

W4RNL

L. B. Cebik

PETELOOP.ZIP

7/2000

TI-82 program to analyze PLL loop stability

WA6NUT

Rick Peterson

LPDAPT1.ZIP

5/2000

LPDA antenna description files

W4RNL

L. B. Cebik

0003N9KS.ZIP

3/2000 QST

Author construction template for "A Simple Antenna Flipper" in Hints and Kinks

N9KS

Ken Secora

0300KOC.ZIP

3/2000

PC patterns and parts list for WEFAX down-converter

WA9PYH

Jim Kocsis

0001DUNC.ZIP

1/2000

PC patterns and firmware for Scanner Controller

KG4CUY

Thomas Duncan

0001RF.ZIP

1/2000

ARRL Radio Designer V1.5 balun circuit description

W1VT

Zack Lau

0100HAGE.ZIP

1/2000

Software for 2-250 MHz Signal Source

Steve Hageman

LA0999.ZIP

1/2000

Firmware for Logic Analyzer

K3PTO

Larry Cicchinelli

1199SABN.ZIP

11/1999

Schematic and parts placement for 100-W PA

W0IYH

William Sabin

CAPQEX.ZIP

11/1999

ARD circuit file to model capacitor Q

W1VT

Zack Lau

STEP1199.ZIP

11/1999

PIC source code to control an MC145158 PLL IC

KD6OZH

John Stephensen

9909WADE.ZIP

9/1999

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

W1GHX

Paul Wade

BEDF0999.ZIP

9/1999

Images of part-placement diagrams (dxf and jpg)

VK7KRG

Rodney Green

EVMDOP.ZIP

9/1999

WINDOWS-based dopplergram program for DSP56002EVM

G3PLX

Peter Martinez

BING9907.ZIP

7/1999

Antenna-description file and radiation-pattern image

KM5KG

Grant Bingeman

SABIN799.ZIP

7/1999

Filter-construction information

W0IYH

William E. Sabin

SMITH3D.ZIP

7/1999

Sample 3D radiation-pattern plot with QuickBasic 4.5 source

KF6DX

Doug Smith

ZAV9907.ZIP

7/1999

Antenna-description files and pattern images

W7SX

Robert Zavrel

99RF05.ZIP

5/1999

Transmission-Line modeling data for Amateur Radio Designer

W1VT (KH6CP)

Zack Lau

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)

WB2V

Curtis Pruess

SSBTUNE.ZIP

1/1999

Tune SSB Automatically

 

Robert Dick

ANDADC.ZIP

12/1998

A Faster and Better ADC for the DDC-Based Receiver

KC1HR

Peter Traneus Anderson

G3DVV.ZIP

9/1998

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

G3DVV

John Brown

MORGANTI.ZIP

7/1998

A Continuous Coverage HF VFO

IK3OIL

Francesco Morgantini

ZAVREL.ZIP

7/1998

Multiple-Octave Bidirectional Wire Antennas 

W7SX

Robert Zavrel, Jr

TMATCH.ZIP

12/1997

Understanding the T-Tuner (C-L-C) Transmatch)

W0IYH

William E. Sabin

VDHL.ZIP

12/1997

Modern Digital Design for the Radio Amateur

KE3QG

John Wiseman

CLVRSTAT.ZIP

11/1997

A Software Package for Analyzing CLOVER Channel Statistics

KB1JY

Ken Wickwire

97QEX09.ZIP

9/1997

A Simple Synchronous-AM Detector for the DDC-Based Receiver

KC1HR

Peter Traneus Anderson

VE2CV.ZIP

8/1997

Loops for 80-Meter DX

VE2CV

John S. Belrose

ATLC.ZIP

12/1996

Arbitrary Transmission Line Calculator program

G8WRB

Dave Kirby

MAR8051.ZIP

12/1996

Source/object for ELMER 8051 development system monitor

N2YM

Anthony Marchese

CONNTEMP.ZIP

11/1996

Templates to mount RF connectors

W1VT (KH6CP)

Zack Lau

QEX3456.ZIP

9/1996

PC patterns for 3456-MHz transverter.

W1VT (KH6CP)

Zack Lau

QEXASP.ZIP

9/1996

Source for DSP-based audio processor

KC7WW

John Forrer

COAXMOD.MCD

8/1996

Mathcad example transmission-line calculations

W0IYH

William E. Sabin

PKTCVSD.ZIP

8/1996

Source for packet CVSD voice on TI DSK 

KB0PRP

Dirench Dogruoz, Carlos Lopez, Harvind Samra,  Brett Weldy

144XVTR.ZIP

5/1996

PC patterns for no-tune 144-MHz transverter

W1VT (KH6CP)

Zack Lau

ULTVFO.ZIP

4/1996

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

WD8DSB

Don Kirk

KNEC.BAS

3/1996

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

W4RNL

L. B. Cebik

DISHFD1.ZIP

2/1996

Parabolic dish aperture efficiency program (BASIC) 

W7PUA

Bob Larkin

QEXCORR.ZIP

2/1996

Mathcad worksheets showing correlation concepts

KE3Z

Jon Bloom

NETRANGE.ZIP

1/1996

Mathcad worksheets for computing range of matching networks.

W1VT (KH6CP)

Zack Lau

HDLANT21.ZIP

12/1995

HDL_ANT (version 2.1) (for PCs) 

N1BWT

Paul Wade

BLKBOX.ZIP

11/1995

Firmware source code for TM-741/742 module controller 

VA3TO

Hugh Duff

QEXBSF.ZIP

11/1995

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

W3NQN

Ed Wetherhold

PICCWID.ZIP

10/1995

Firmware for PIC-based repeater CW IDer

W9XT

Gary Sutcliff

METEO.ZIP

9/1995

Software for capture/display of weather satellite images

I4GU, I4MY, IW4CSG

Guido Emiliani, Marciano Righini, Giampaolo Rossini

YTAD.ZIP

7/1995

Yagi Terrain Analysis program

N6BV

R. Dean Straw

QEXBERT.ZIP

3/1995

9600-bit/s packet BER test software.

KE3Z

Jon Bloom

QEXRESP.ZIP

2/1995

Files for DSP system-response measurement

KE3Z

Jon Bloom

QEXCLF.ZIP

1/1995

BASIC source for crystal-filter design procedure

N6NWP 

Jacob Makhinson

HDL_ANT.ZIP

9/1994- 11/1994

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

N1BWT

Paul Wade

HDL_ANT2.ZIP

9/1994- 11/1994

HDL_ANT (version 2.0) use HDLANT21.ZIP instead

N1BWT

Paul Wade

PSATOOL1.ZIP

11/1994

SPASM21 assembler for PSA sound-card DSP programming 

KC7WW

John Forrer

PSATOR19.ZIP

11/1994

Shareware AMTOR/PACTOR using a DSP sound card

KC7WW

John Forrer

QEXHFM.ZIP

11/1994

HF DSP modem source and demo program

KC7WW 

John Forrer

QEXGPORT.ZIP

10/1994

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

W9XT

Gary Sutcliff

LNX5670.ZIP

9/1994

PCB patterns for 5760-MHz preamp

W1VT (KH6CP)

Zack Lau

PSATOOLS.ZIP

8/1994

Tools for programming PSA sound card DSP

KC7WW

John Forrer

QEXSNDCD.ZIP

8/1994

DSP sound card programming demo

KC7WW 

John Forrer

QEXMODES.ZIP

7/1994

PCB patterns for Mode-S downconverter

W1VT (KH6CP)

Zack Lau

PSHIFT.ZIP

4/1994

FORTRAN program to analyze audio phase-shift network

W9CF 

Kevin Schmidt 

QEXCVSD.ZIP

4/1994

CVSD board drivers and test program (source)

KE3Z

Jon Bloom

QEXPAD.ZIP

4/1994

VHF power attenuator design program

N1BWT

Paul Wade

TXT2EPRM.ZIP

2/1994

Morse ID generator programming utility

VE2HOT

Nick Ciarallo

QEXFQ194.ZIP

1/1994

Pascal source for PC frequency counter project

NS6Z

John Nemec

8085SYS.ZIP

11/1993, 12/1993

Source code for 8085 development system

N4UAU 

Sam Ulbing

QEX1193.PS

11/1993

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

W1VT (KH6CP)

Zack Lau

ANTSYS.PCX

10/1993

Schematic bitmap symbols from early QST article

W1RIL

Ken Schofield

CIRCUITS.PCX

10/1993

Schematic bitmap symbols from early QST article

W1RIL

Ken Schofield

RC.PCX

10/1993

Schematic bitmap symbols from early QST article

W1RIL

Ken Schofield

TRANSLOG.PCX

10/1993

Schematic bitmap symbols from early QST article

W1RIL

Ken Schofield

MAV11.PS

9/1993

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

W1VT (KH6CP)

Zack Lau

TASM.ZIP

9/1993

Table-driver assembler for use with WEAVRDSP file

KJ6ST

Carlos Puig

WEAVRDSP.ZIP

9/1993

Source for DSP Weaver SSB modulator

KJ6ST

Carlos Puig

222XVTR.ZIP

7/1993

PC patterns for no-tune 222-MHz transverter

W1VT (KH6CP)

Zack Lau

JLEM.ZIP

1/1993

Source for 2k x 8 ROM emulator

AA6FJ & NS6Z

John Nemec