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 |
|
9/2005 |
Software package for “A USB
controlled VFO” (506 kB) |
WAØSPM |
Gary Geissinger |
|
|
9/2005 |
Files and program for PC Sound
card impedance bridge |
WB9LVI |
Dr George Steber |
|
|
5/2005 |
Figures for Using The SA605/615 IF Processor IC |
— |
Dan Doberstein |
|
|
3/2005 |
PIC software for inexpensive TNC (505 kB) |
WB8WGA |
Bob Ball |
|
|
1/2005 |
1-GHz Waveguide Preamplifier Etching pattern and Harmonica model |
W1VT |
Zack Lau |
|
|
1/2005 |
Excel spreadsheet to design PLLs (128 kB |
KJ6PO |
Randall Evans |
|
|
|
1/2005 |
"Why antennas radiate" appendix. Check back for updates. (120 kB "Why antennas radiate" pdf. Corrections to "Why antennas radiate." |
WY6EE |
Stuart Downs |
|
1/2005 |
QST coaxial-trap discussion |
DG1MFT |
Müller |
|
|
7/2004 |
Improved remote antenna-impedance measurement spreadsheet |
G4JNH, VK3INH, ex VK2INH |
Ron Barker |
|
|
7/2004 |
Host and target source, schematic for 100 MHz vector network analyzer with USB interface. |
N5EG |
Tom McDermott Karl Ireland |
|
|
5/2004 |
Graphics files of Figs 2-8 |
AA8C |
Glen Gardner |
|
|
5/2004 |
Code for programming microprocessor |
WA3LDI |
Chris Sieg |
|
|
5/2004 |
USB Firmware Users Guide - Assembly version |
KD4JP |
Dick Lichtel |
|
|
3/2004 |
UHF Microwave synthesizer |
KE5FX |
John Miles |
|
|
3/2004 |
GWBasic programs for multiband dipoles |
W8NX |
Al Buxton |
|
|
3/2004 |
Tapped capacitor matching |
KJ6PO |
Randy Evans |
|
|
3/2004 |
1296 MHz signal source |
W1VT |
Zack Lau |
|
|
1/2004 |
Parts placement diagram |
K3NHI |
Bob Kopski |
|
|
11/2003 |
Filter tables and bias calcs |
KD7O |
Jim Scarlett |
|
|
7/2003 |
PLD info, graphics, etching patterns |
K3PTO |
Larry Cicchinelli |
|
|
9/2003 |
Spreadsheets for ladder filter design |
KJ6PO |
Randy Evans |
|
|
7/2003 |
Antenna models |
K7ZWY |
Chris Trask |
|
|
5/2003 |
Logging files for Palm organizers |
W1GHZ |
Paul Wade |
|
|
3/2003 |
Worksheet to analyze SDR-1000 |
AC5OG |
Gerald Youngblood |
|
|
1/2003 |
Basic Stamp 2 source and figures |
XQ2FOD |
Manfred Mornhinweg |
|
|
11/2002 |
Demo program source code |
AC5OG |
Gerald Youngblood |
|
|
9/2002 |
Borlund Delphi component to control Pegasus |
N8ME |
Mark Erbaugh |
|
|
9/2002 |
Visual Basic source to use MS DirectX8 driver |
AC5OG |
Gerald Youngblood |
|
|
9/2002 |
Color versions of article figures |
KD6OZH |
John Stephensen |
|
|
7/2002 |
Excel worksheet for Digital Transceiver Design |
KD7O |
James Scarlett |
|
|
7/2002 |
EZNEC descriptions for Optimized Wideband Antennas |
W4RNL |
L. B. Cebik |
|
|
5/2002 |
Excel worksheet for battery-charger design with TI/Unitrode UC3906 IC |
KJ6PO |
Randy Evans |
|
|
3/2002 |
EZNEC descriptions for loop and fractal-loop antennas |
VE9SRB |
Steven R. Best |
|
|
1/2002 |
NEC antenna description files for asymmetrical double rectangle antennas |
N2DT |
Dan Handelsman |
|
|
1/2002 |
Color versions of article graphics |
KF8JW |
Philip Sage |
|
|
1/2002 |
EZNEC descriptions for "Quads Revisited" series updated for Part 5 |
W4MB |
R. P. Haviland |
|
|
11/2000 3/2001 1/2002 |
EZNEC descriptions for "Quads Revisited" series |
W4MB |
R. P. Haviland |
|
|
11/2001 |
EZNEC description file for 10-m turnstile antenna |
W1VT |
Zack Lau |
|
|
11/2001 |
Datasheet for MA4P1250-1072T |
OK1DNZ |
Pavel Zanek |
|
|
9/2001 |
Excel worksheet for remote antenna impedance measurement |
G4JNH |
Ron Barker |
|
|
9/2001 |
GWBasic files supporting article about coil Q |
VE3ERP |
George Murphy |
|
|
7/2001 |
Excel workbook to analyze antenna/tower wind loading |
W9JCC |
Frank Travanty |
|
|
3/2001 |
PIC source files for an HF transceiver project |
KD6OZH |
John Stephensen |
|
|
3/2001 |
EZNEC descriptions of off-center-fed dipole |
W1VT |
Zack Lau |
|
|
3/2001 |
Audio samples of normal and PTC-encoded voice |
KF6DX |
Doug Smith |
|
|
1/2001 |
Files and support for PC based data-acquisition system |
|
Steve Hageman Peter Bertini |
|
|
12/2000 |
Schematic bitmap symbols from QST Hints and Kinks |
KU7G |
Bob Schetgen |
|
|
11/2000 |
BASIC source for design of thermistor circuits |
W0IYH |
Bill Sabin |
|
|
9/2000 |
70-cm band-pass filter and twin-lead dipole feed |
W1VT |
Zack Lau |
|
|
9/2000 |
Narrow band-pass filters for HF |
W0IYH |
Bill Sabin |
|
|
9/2000 |
Super-regenerative receivers graphics |
N1TEV |
Charles Kitchin |
|
|
9/2000 |
87C750 source code for remote keyer, IDer |
N4UAU |
Sam Ulbing |
|
|
7/2000 |
LPDA antenna description files |
W4RNL |
L. B. Cebik |
|
|
7/2000 |
TI-82 program to analyze PLL loop stability |
WA6NUT |
Rick Peterson |
|
|
5/2000 |
LPDA antenna description files |
W4RNL |
L. B. Cebik |
|
|
3/2000 QST |
Author construction template for "A Simple Antenna Flipper" in Hints and Kinks |
N9KS |
Ken Secora |
|
|
3/2000 |
PC patterns and parts list for WEFAX down-converter |
WA9PYH |
Jim Kocsis |
|
|
1/2000 |
PC patterns and firmware for Scanner Controller |
KG4CUY |
Thomas Duncan |
|
|
1/2000 |
ARRL Radio Designer V1.5 balun circuit description |
W1VT |
Zack Lau |
|
|
1/2000 |
Software for 2-250 MHz Signal Source |
— |
Steve Hageman |
|
|
1/2000 |
Firmware for Logic Analyzer |
K3PTO |
Larry Cicchinelli |
|
|
11/1999 |
Schematic and parts placement for 100-W PA |
W0IYH |
William Sabin |
|
|
11/1999 |
ARD circuit file to model capacitor Q |
W1VT |
Zack Lau |
|
|
11/1999 |
PIC source code to control an MC145158 PLL IC |
KD6OZH |
John Stephensen |
|
|
9/1999 |
EPS files of Figures (see Readme.txt in file) |
W1GHX |
Paul Wade |
|
|
9/1999 |
Images of part-placement diagrams (dxf and jpg) |
VK7KRG |
Rodney Green |
|
|
9/1999 |
WINDOWS-based dopplergram program for DSP56002EVM |
G3PLX |
Peter Martinez |
|
|
7/1999 |
Antenna-description file and radiation-pattern image |
KM5KG |
Grant Bingeman |
|
|
7/1999 |
Filter-construction information |
W0IYH |
William E. Sabin |
|
|
7/1999 |
Sample 3D radiation-pattern plot with QuickBasic 4.5 source |
KF6DX |
Doug Smith |
|
|
7/1999 |
Antenna-description files and pattern images |
W7SX |
Robert Zavrel |
|
|
5/1999 |
Transmission-Line modeling data for Amateur Radio Designer |
W1VT (KH6CP) |
Zack Lau |
|
|
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 |
|
|
1/1999 |
Tune SSB Automatically |
|
Robert Dick |
|
|
12/1998 |
A Faster and Better ADC for the DDC-Based Receiver |
KC1HR |
Peter Traneus Anderson |
|
|
9/1998 |
Front-End Design with ARRL Radio Designer: a 23-cm Preamp |
G3DVV |
John Brown |
|
|
7/1998 |
A Continuous Coverage HF VFO |
IK3OIL |
Francesco Morgantini |
|
|
7/1998 |
Multiple-Octave Bidirectional Wire Antennas |
W7SX |
Robert Zavrel, Jr |
|
|
12/1997 |
Understanding the T-Tuner (C-L-C) Transmatch) |
W0IYH |
William E. Sabin |
|
|
12/1997 |
Modern Digital Design for the Radio Amateur |
KE3QG |
John Wiseman |
|
|
11/1997 |
A Software Package for Analyzing CLOVER Channel Statistics |
KB1JY |
Ken Wickwire |
|
|
9/1997 |
A Simple Synchronous-AM Detector for the DDC-Based Receiver |
KC1HR |
Peter Traneus Anderson |
|
|
8/1997 |
Loops for 80-Meter DX |
VE2CV |
John S. Belrose |
|
|
12/1996 |
Arbitrary Transmission Line Calculator program |
G8WRB |
Dave Kirby |
|
|
12/1996 |
Source/object for ELMER 8051 development system monitor |
N2YM |
Anthony Marchese |
|
|
11/1996 |
Templates to |
W1VT (KH6CP) |
Zack Lau |
|
|
9/1996 |
PC patterns for 3456-MHz transverter. |
W1VT (KH6CP) |
Zack Lau |
|
|
9/1996 |
Source for DSP-based audio processor |
KC7WW |
John Forrer |
|
|
8/1996 |
Mathcad example transmission-line calculations |
W0IYH |
William E. Sabin |
|
|
8/1996 |
Source for packet CVSD voice on TI DSK |
KB0PRP |
Dirench Dogruoz, Carlos Lopez, Harvind Samra, Brett Weldy |
|
|
5/1996 |
PC patterns for no-tune 144-MHz transverter |
W1VT (KH6CP) |
Zack Lau |
|
|
4/1996 |
Source and object for DDS-based VFO (68HC11) |
WD8DSB |
Don Kirk |
|
|
3/1996 |
BASIC program to generate K values for use with NEC2, (ASCII) |
W4RNL |
L. B. Cebik |
|
|
2/1996 |
Parabolic dish aperture efficiency program (BASIC) |
W7PUA |
Bob Larkin |
|
|
2/1996 |
Mathcad worksheets showing correlation concepts |
KE3Z |
Jon Bloom |
|
|
1/1996 |
Mathcad worksheets for computing range of matching networks. |
W1VT (KH6CP) |
Zack Lau |
|
|
12/1995 |
HDL_ANT (version 2.1) (for PCs) |
N1BWT |
Paul Wade |
|
|
11/1995 |
Firmware source code for TM-741/742 module controller |
VA3TO |
Hugh Duff |
|
|
11/1995 |
BASIC for calculating a 3-resonator BC-band-reject filter |
W3NQN |
Ed Wetherhold |
|
|
10/1995 |
Firmware for PIC-based repeater CW IDer |
W9XT |
Gary Sutcliff |
|