Report problems to W1ZR@arrl.org
Filename |
Issue |
Pages |
Description |
Author |
Call Sign |
|
QS0310Severns.zip | Mar 2010 | 30-33 | Details of test setup and more data | Rudy Severns | N6LF | |
QS0210Zavrel.zip | Feb 2010 | 36-39 | Details of traps and EZNEC model files | Robert J Zavrel Jr | W7SX | |
QS0210Johnson.pdf | Feb 2010 | 40-42 | Expanded article with I/O details | Craig Johnson | AA0ZZ | |
JohnstoneExtra.pdf | Feb 2010 | 74-76 | Photographs and technical information on the Chinese 222-1 receiver. | Steve Johnston | WD8DAS | |
QS0110Salas.pdf | Jan 2010 | 34-35 | Detailed construction article of matching network. | Phil Salas | AD5X | |
LloydCrystalRadio.pdf | Jan 2010 | 67-69 | Description of the K6GBM Csrystal Radio | B. Lloyd | WB6RQN/J79BPL | |
LloydBrophy.pdf | Jan 2010 | 67-69 | Olivia Brophy’s comments on being a student in Brian Lloyd’s class | Olivia Brophy | KI6TWK | |
QS1109Patzlaff.pdf | Nov 2009 | 30-34 | Expanded article with additional construction details | A. Robert Patzlaff | W9JQT | |
QS1109Morin.pdf | Nov 2009 | 45-47 | Expanded article with additional construction details | Jean-Yves Morin | VE2MHZ | |
80m 10-1-2009 1941utc.wav | Nov 2009 | 72-75 | Audio clip of a long delayed echo heard on 80 meters. | Poul-Erik Karlshøj | OZ4UN | |
80m 10-1-2009 1941utc two echos.wav | Nov 2009 | 72-75 | Audio clip of a two long delayed echoes heard on 80 meters. | Poul-Erik Karlshøj | OZ4UN | |
80m 10-1-2009 1910 UTC QSO with OZ7BQ.mp2 | Nov 2009 | 72-75 | Movie clip of a long delayed echo heard on 80 meters. | Poul-Erik Karlshøj | OZ4UN | |
C3S_12mModArt_a.pdf | ARRLWeb Extra | NA | A set of diagrams for modifying the Force C-3S beam for operation on 12 meters. | Vidi la Grange | ZS1EL | |
6meters.mp3 | Oct 2009 | TBD | Two minute audio clip of N1NN and KX9X operating at W5ZN during a 6-meter band opening that occured during the 2009 ARRL June VHF QSO Party. | Steve Ford | WB8IMY | |
Bike Ride.mp3 | Sep 2009 | TBD | Two minute audio clip of Amateur Radio support during Angel Ride | Steve Ford | WB8IMY | |
QS0809Cicchinelli.zip | Aug 2009 | 37-40 | Negative regulator details, PC templates, other details | Larry Cicchinelli | K3PTO | |
QS0809Baker.zip | Aug 2009 | 33-36 | Multiple band dimensions, templates, other details | Allen Baker | KG4JJH | |
QS0709NewatDayton.pdf | Jul 2009 | 61 | Expanded report on new products at Dayton | Joel Hallas | W1ZR | |
QS0609WA50.doc | Jun 2009 | 89-91 | Bibliography for column subject: determining and maintaining frequency | Gene Zimmerman | W3ZZ | |
QS0609Spencer.zip | Jun 2009 | 41-45 | Radio Telescope Firmware | Mark Spencer | WA8SME | |
QS0609Bloom.zip | Jun 2009 | 46 | Paddle parts list and construction drawings | Alan Bloom | N1AL | |
QS0609Baker.zip | Jun 2009 | 37-40 | Keyer PC board details and supplemental information | Allen Baker | KG4JJH | |
QS0509Merkley.zip | May 2009 | 34-36 | Detailed construction photos | Dwight Merkley | N7KBC | |
QS0409vanStralen.zip | Apr 2009 | 30-33 | Expanded article, PC artwork, other details | Marc van Stralen | DK4DDS | |
QS0309Black.zip | Mar 2009 | 67-69 | Important Safety Warnings | Byron Black | W4SSY | |
QS0309Campbell.pdf | Mar 2009 | 40-43 | Longer version of article with more detail | Rick Campbell | KK7B | |
QS0309Shoemaker.zip | Mar 2009 | 30-33 | Detailed dimension drawings and figures | Leo Shoemaker | K4KIO | |
C3S_17mModArt.pdf | ARRLWeb Extra | N/A | Detailed drawings for “Force 12 C-3S Yagi — A 17 Meter Modification” | Vidi La Grange | ZS1EL | |
QS0209Campbell.pdf | Feb 2009 | 30-33 | More comprehensive version of article. | Rick Campbell | KK7B | |
HarderWebContent.pdf | Feb 2009 | 83-85 | WAS -- Single Rover Photo Album | Bob Harder | W0BH | |
QS0209Gauger.pdf | Feb 2009 | 76-77 | Construction details | Dave Gauger | W9CJS | |
QS0109Hartlage.zip | Jan 2009 | 59-60 | More photos of the Mars Desert Research Station. | Andrea Hartlage | KG4IUM | |
QS1008Cebik.zip | Oct 2008 | 30-32 | Construction details, modeling files | L.B. Cebik (SK) | W4RNL | |
QS1008Steber.zip | Oct 2008 | 36-40 | Spectrum analyzer software and author’s note (rev 9/16/08) | George Steber | WB8LVI | |
QS0908Weit.zip | Sep 2008 | 62-66 | Microcode for dipole switch elements and controller | Jim Weit | KI8BV | |
QS0908Bruninga.doc | Sep 2008 | 30-33 | Implementation and check-out details | Bob Bruninga | WB4APR | |
QS0908ProdRev.mp3 | Sep 2008 | 39-43 | Digital transceiver audio comparison clips |
Gary Pearce | KN4AQ |
|
QS0808Weber.zip | Aug 2008 | 33-36 | Parts list, board layout, assembly and test details | Steven Weber | KD1JV | |
Electron.mpg | Aug 2008 | 92 |
Video of electron in action | Steve Ford | WB8IMY | |
QSLmake24.zip | July 2008 | 68 |
QSL Maker Software | David Rabin | W9PH | |
QS0708Morgan.pdf | July 2008 | 36-38 | Detailed fabrication drawings | Jack Morgan | KF6T | |
QS0608Kleinschmidt.pdf | June 2008 | 45-48 |
More on inverter gensets |
Kirk Kleinschmidt |
NT0Z |
|
QS0608Giuliano.zip | June 2008 | 42-44 | Use of trig for antenna calculations | Robert Giuliano | KB8RCO | |
QS0508Veatch.zip | May 2008 | 33-37 | TAK 40 Schematic, Parts list, Layout, PCB files (Rev 06/27/08) | Jim Veatch | WA2EUJ | |
QS0508Davis.zip | May 2008 | 38-41 | Firmware, PCB details |
Milton Davis | AI6MD | |
Gilbert et al 0408.zip | Apr 2008 | 38-40 | Schematic, Parts list | Steve Gilbert, “Mick” McManus, and Mike Chirkov | K1SG, W1JJ and UN8GC | |
Cebik-Cerreto0308.zip | Mar 2008 | 30-34 | Article with construction details, modeling files | L. B. Cebik, Bob Cerreto | W4RNL, WA1FXT | |
PubSrv0801.pdf | Jan 2008 | 80 | Public Service Organization Chart | Lloyd Colston | KC5FM | |
KWM2 on CW.pdf | Jan 2008 | 30-34 | Detailed KWM-2 modification and alignment instructions | Richard Bitzer | WB2ZKW |
|
Roznoy 1107 raw data.xls | Nov 2007 | 30-33 | Raw data from antenna testing | Rich Roznoy | K1OF | |
FrSySoftware.zip | Oct 2007 | 38-42 | Software for PC Synthesizer | George R. Steber | WB9LVI |
|
STEBWEB.pdf | Oct 2007 | 38-42 | Simple receiver; sound card considerations | George R. Steber | WB9LVI |
|
Michener0907.zip | Sep 2007 | 34-35 | EZNEC modeling files for portable wire Yagi | James Michener | K9JM | |
Cebik0807.zip | Aug 2007 | 41-45 | EZNEC Models for 6 Meter Yagi | L.B. Cebik | W4RNL |
|
Wagner0807.zip | Aug 2007 | 46-47 | Uni-Whip Antenna Length Table | Roger Wagner | K6LNM |
|
Lunsford0507.zip | July 2007 | 35-39 | The Smart Keyboard, Hex and Windows software | Joe Lunsford | N4YG | |
Kreuter0607.zip | June 2007 | 30-32 | Audible Antenna Bridge firmware | Rod Kreuter | WA3ENK |
|
GTK-Sounds.ppt | June 2007 | 55-56 | Digital modes PowerPoint with sounds | Joel Hallas | W1ZR | |
London0507.zip | May 2007 | 99-101 | Sweepstakes BLOG and log checking article | Steve London | N2IC |
|
Johnson0507.pdf | May 2007 | 37-42 | QST Article – PIC-EL Part 1 | Craig Johnson |
AA0ZZ | |
Johnson0407.zip | May 2007 | 37-42 | PIC artwork and software | Craig Johnson |
AA0ZZ | |
Apr 2007 |
32-36 |
Antenna modeling files |
L.B. Cebik |
W4RNL |
||
Apr 2007 |
37 |
Fourier series simulation |
Paul Danzer |
N1II |
||
Apr 2007 |
61 |
dB loss calculation spreadsheet |
Joel Hallas |
W1ZR |
||
Apr 2007 |
64-67 |
PC board artwork, layout |
Nenad Rotter |
9A5AN |
||
Mar 2007 |
32-37 |
Windows s/w; PIC Firmware; PC Artwork |
Bertrand Zauhar |
VE2ZAZ |
||
Mar 2007 |
44-46 |
Calculation Spreadsheet |
Robert Fontaine |
W9RJF |
||
Feb 2007 |
63 |
SWR Tables |
Joel Hallas |
W1ZR |
||
Feb 2007 |
31-35 |
Artwork, firmware |
Bob Okas |
W3CD |
||
Feb 2007 |
36-39 |
Audio demo, article text |
Tom Fowle |
WA6IVG |
Jan 2007 |
42-45 |
The KWM-1 and Its Competition |
Mike O'Brien |
K0MYW |
Nov 2006 |
28-32 |
Construction details for Antenna Impedance Meter for HF |
Bob Clunn |
W5BIG |
||
Nov 2006 |
91 |
World Above 50 MHz: Resources for VHF+ Propagation Modes |
Gene Zimmerman |
W3ZZ |
||
Nov 2006 |
91 |
World Above 50 MHz: Resources for VHF+ Propagation Modes |
Gene Zimmerman |
W3ZZ |
||
Nov 2006 |
96 |
Restoration, an application to recover deleted files. Described in "Eclectic Technology" by Steve Ford, WB8IMY. (167kB) |
Brian Kato |
|
||
Nov 2006 |
33-36 |
"Command and Control -- Talk to Your Radio and It May Talk Back" (357kB) |
Steve Gradijian |
WB5KIA |
||
Oct 2006 |
69-73 |
2006 Field Day Audio Recorded from |
Steve Ford |
WB8IMY |
||
Sep 2006 |
40-41 |
Sample Sweepstakes LogReport |
Ken Widelitz |
K6LA |
||
Sep 2006 |
28-32 |
FCC-1 Frequency Counter. PCB and firmware |
Bob Okas |
W3CD |
||
Aug 2006 |
35-37 |
VHF/UHF Propagation |
Alan Bloom |
N1AL |
||
May 2006 |
36 |
Autobug Keyer PCB |
Taka Shimazu |
JA3KAB |
||
Apr 2006 |
41 |
PC Board and Modifications |
Jim Hanson |
W1TRC |
||
Mar 2006 |
99 |
Schrader (0106) and TC (1105) Corrections |
Joel Hallas |
W1ZR |
||
Feb 2006 |
28-31 |
Morse Code Telemetry (42 kB) |
Jerry Baumeister |
KD5ZUG |
||
Jan 2006 |
28-30 |
VOACAP Analysis (4 MB) |
R. Dean Straw |
N6BV |
||
Jan 2006 |
31-36 |
VocalMaster speech proc. |
Allen Baker |
KG4JJH |
||
Dec 2005 |
31-37 |
Const info and software (756 kB) |
Gottlieb / Mitz |
WA3WDK / WA3LTJ |
||
Dec 2005 |
38 |
Corrected NVIS article (10 MB) |
Dean Straw |
N6BV |
||
Nov 2005 |
43 |
Article and photos from Katrina (2.0 MB) |
Rick Lindquist |
N1RL |
||
Nov 2005 |
61 |
PDF of an article about contest operation (193 kB) |
Stray |
-- |
||
Nov 2005 |
72 |
Correction to H&K 1105, Laptop Battery Mod. |
Dick Frey |
K4XU |
||
Oct 2005 |
56 |
"A Fast TR Switch" (827 kB) |
Jack Kuecken |
KE2QJ |
||
Steber.pdf (PDF of QEX article 326 kB) LMS Prog.zip (software from QEX article 50 kB) |
Oct 2005 |
36 |
"A Low Cost Automatic Impedance Bridge (PDF of related QEX article 326 kB) |
George Steber |
WB9LVI |
|
Oct 2005 |
28 |
"Build an Automatic Antenna Switch Controller (251 kB) |
Taylor Davidson |
N4TD |
||
Aug 2005 |
28 |
Additional illustrations |
Allen Baker |
KG4JJH |
||
Jul 2005 |
63 |
Spider Beam EZNEC description file (1 kB) |
Rosalie White |
K1STO |
||
June 2005 |
40 |
Additional Pattern Plots (444 kB) |
John Raydo |
K0IZ |
||
Apr 2005 |
60 |
PIC programming code for transceiver "instant replay" (2 kB) |
John A. Hansen |
W2FS |
||
Mar 2005 |
34 |
Description (size): A PDF file with detailed drawings and tables necessary for constructing the 3-1/2 Band Yagi antenna for the 10, 15 and 20 meter bands. (It also works, but not as well, on 12 meters.) (1.7 MB) |
Bill Stein |
KC6T |
||
February 2005 |
66 |
"The Morsemeter," audio CW output for a DVM, PIC source and object files, construction details, etching patterns. MorseMet.zip (inside) adds more characters to the original (34kB) |
Steve Johnston, Tim Hynde |
WD8DAS, KA8DDZ |
||
February 2005 |
40 |
"Homebrew Your Iambic Keyer," Source code (4 B) |
N. G. Praveena |
VU2PGB |
||
February 2005 |
36 |
"A Panel-Reflector Antenna for 70 cm," construction details and pattern plots (9 MB). This may time out if opened through a Web connection. Please save it to your computer and open it locally. |
Anthony Monteiro |
AA2TX |
||
|
|
|
|
|
|
|
December 2004 |
28 |
Schematic and construction details (including graphics) for a water-cooled UHF (793 kB) |
Jim Klitzing |
W6PQL |
|
December 2004 |
38 |
Javascript dipole calculator. (1 kB) |
M. Peri Cope |
K7PER |
|
November 2004 |
72 |
AD-9830-control source files 04TC11.ZIP (see Readme.txt, within the zip file) (3.9 MB) |
Cross-Cole |
N4ENM |
|
November 2004 |
37 |
Figures and Construction details (4.4 MB). The project was updated with "New" on 1/3/2005 (4.0 MB). Each file is sufficient for its version of the project. |
Kemppainen |
N8XJK |
|
September 2004 |
28-32 |
Expanded version of " The HAPIRAT, a Ham Audio Panel Interface for Receiving And Transmitting" |
Mark Mandelkern |
K5AM |
|
August 2004 |
28 |
Source and text files for "The Code Player" |
Bob Adams |
W6BEG |
|
July 2004 |
32 |
Source and compiled code for "A CTCSS Tone Encoder with Morse Readout" |
Gary S. Kath |
N2OT |
|
June 2004 |
|
The Ten-Tec 6 Meter Transverter on 12 or 17 Meters |
William S. Berger |
K6INJ |
|
June |
73 |
MININEC model of the K8CU LPDA |
LB Cebik |
W4RNL |
|
June |
28 |
Drake synthesizer source code, programming files and PCB assembly drawings |
Steven C.Hageman |
|
|
Garland0504.zip | May 2004 | 31-38 | PC board artwork files |
James Garland | W8ZR |
May 2004 |
42 |
The Smart Keyer Lite, instructions board patterns, hex code |
Joseph Lunsford |
N4YG |
|
Apr 2004 |
82 |
Power Factor calculations (erroneously listed as 04TC03.zip in the column) |
Alan Bloom |
N1AL |
|
Apr 2004 |
65 |
A 6 Meter Moxon Antenna, drawings, photos, plots (10 MB). |
Allen Baker |
KG4JJH |
|
Mar 2004 |
33 |
firmware flow-chart, object code hex file, source code text file (65 kB) |
Bob Lewis |
AA4PB |
|
Feb 2004 |
36 |
"Power and Antenna Gain on 60 Meters," antenna modeling files (74 kB) |
L. B. Cebik |
W4RNL |
|
Feb 2004 |
75 |
"A Poor Man's QRP," Excel spreadsheet to calculate pi-attenuator values (10 kB) |
Bob Schetgen |
KU7G |
Dec 2003 |
38 |
"The PicoKeyer an Ultra Low Power CW Memory Keyer" PIC source code for the project. (3k) |
Dale Botkin |
N0XAS |
|
Oct 2003 |
28 |
"Designing a Shortened Antenna" A program to perform some of the calculations described in the article. (25k) |
Luiz Duarte Lopes |
CT1EOJ |
|
Sep 2003 |
56-57 |
Hints and Kinks "A Custom Log"" Excel and Works documents to produce a custom portable log book. (7 kB) |
William Parmley |
KR8L |
|
Aug 2003 |
61-62 |
Hints and Kinks "A PIC Programmer for All Computers" Extra schematic, text, etching pattern, parts placement diagram and public-domain PIC programmer software. (2.1 M) |
Ralph Gable |
WA2PUX |
|
Aug 2003 |
28 |
"Amateur Radio, Paragliding and an APRS Weather Station" Supplemental information and figures. (119 k) |
Richard Parry |
W9IF |
|
Jun 2003 |
87 |
"Satellites" A .wav audio file of G3WDG and I8CVS in QSO on the OSCAR 40 satellite using mode S/K (2.4 GHz up, 24 GHz down). The QSO took place during mode S/K tests conducted in February 2003. |
Steve Ford |
WB8IMY |
|
June 2003 |
35 |
"The FARA HF Project" Detailed drawings and construction data for 30-W HF amplifier project. (3.6 M) |
James R. Valdes |
WA1GPO |
|
May 2003 |
35 |
"The Black Widow--A Portable 15 Meter Beam" Construction drawings and radiation plots for the antenna. (154k) |
Allen Baker |
KG4JJH |
|
May 2003 |
54 |
"A Modern GDO--The Gate Dip Oscillator" Photos, etching pattern, parts placement diagram. (317k) |
Alan Bloom |
N1AL |
|
Apr 2003 |
39 |
"Beginners' Computer Programming for Ham Radio, Pt 3" Source and executable files for several simple applications. (1.0 MB) |
Steve Gradijan |
WB5KIA |
|
Mar 2003 |
32 |
"Beginners' Computer Programming for Ham Radio, Pt 2" Source and executable files for several simple applications. (1.1 MB) |
Steve Gradijan |
WB5KIA |
|
Feb 2003, |
77-78 |
"Optimizing the Heathkit HW-101, SB100-102 Transceivers" (3M) |
Mark Graalmanand Len Greenberg |
WB8JKR WB8JCJ |
|
Feb 2003 |
41-43 |
"Add Remote Control to Your ICOM Transceiver" Hex file for the microprocessor used in the project. (4k) |
John Hansen |
W2FS |
|
Jan 2003 |
38 |
"A 222-MHz Transverter for the Yaesu FT-817" Detailed jpg images to accompany the article. (3.7 M) |
Paul Wade |
W1GHZ |
Dec 2002 |
28 |
"Build the 'No Excuses' QRP Transceiver" Etching pattern and parts-placement diagram. (Revised 2/20/03) (111k) |
Dan Metzger |
K8JWR |
|
Nov 2002 |
62 |
"The Rotormapic" Assembly source code for PIC, flowchart, photo of project interior. (2 M) |
Roger Monroe |
K7NTW |
|
Sep 2002 |
56 |
"Soldering-Iron Controller Hint and Kink" Source code for a basic stamp microprocessor to control a soldering iron. (3k) |
Lawrence R. Houbre Jr |
AA1FS |
|
Jun 2002 |
63 |
"Alinco DJ-596T FM/Digital Dual-Band Hand-Held Transceiver (Product Review)" A WAV file containing a sample of a digital voice audio transmission. (1.1M) |
Stan Horzepa |
WA1LOU |
|
Apr 2002 |
64 |
"A DX-Beacon Clock (H&K)" A JPG image of a "clock" face to use with a 1/3-RPM motor for tracking the NCDXF beacons. (150k) |
Don Goshay |
W6MMU |
|
Apr 2002 |
70 |
"Unexpected Long-Term Resistance Increases in Resistors (TC)" Excel worksheet tables and additional figures related to a study on aging in resistors. (164k) |
Aaron D. Karty |
KD4BYW |
|
Apr 2002 |
59 |
"A Lightning Detector for the Shack" Enclosure machining, PC board and parts placement diagrams in JPG format for an electronic lightning detector. (60k) |
Bob Radmore |
N2PWP |
Dec 2001 |
69 |
"Some Javascript to Foil Spammers! (TC)" Script to prevent "spammers" from pulling e-mail addresses from your Web page. (2k) |
Phil Karras |
KE3FL |
|
Dec 2001 |
42 |
"A PC Keyboard Interface for the Kenwood D700" A hex file image for programming the project's PIC microcontroller. (8k) |
John Hansen |
W2FS |
|
Nov 2001 |
35 |
"Portable 2-Element Triband Yagi, A" EZNEC modeling files for 2-element wire triband Yagi. (3k) |
Markus Hansen |
VE7CA |
|
Oct 2001 |
|
"More on Schematic Drawing Software (H&K)" Symbols for creating schematics in CorelDraw. (971k) |
Tom Hammond |
N0SS. |
|
Sep 2001 |
32 |
"Uncle Albert's Touchpad Keyer" PC-board artwork and parts-placement diagrams for an SMD-based keyer and touch paddles. (89k) |
Sam Ulbing |
N4UAU |
|
Aug 2001 |
28 |
"PSK31 Audio Beacon" Source code for programming the Scenix SX28 microcontroller used in this single-chip PSK31 encoder. (39k) |
George Heron |
N2APB |
|
Jun 2001 |
28 |
'The Spot Grabber" The operating software, source code and cabinet-drilling template for a self-contained packet DX spot display unit. (2M) |
Paulo Jorge |
CT1EFL |
|
Apr 2001 |
73 |
"Quikloop: A Loop-Array Modeling Aid" A DOS-based program for use with the EZNEC antenna modeling programs that simplifies the calculation of wire endpoints for square, diamond and octagonal (to approximate circles) element shapes. An Excel spreadsheet for a 3-element array is included as an example. (50k) |
Robert Patzlaff |
W9JQT |
|
Apr 2001 |
40 |
"The NJQRP Squirt" Full-size templates, in PDF, for fabricating the PC-board components used in a reduced-size 80-meter antenna. (47k) |
Joe Everhart |
N2CX |
|
Mar 2001 |
32 |
"A Simple TRF Receiver for Tracking RFI" JPG images of the front panel artwork and a circuit board parts placement diagram. (42k) |
Rick Littlefield |
K1BQT, |
|
Feb 2001 |
39 |
"The World's Smallest Code-Practice Oscillator" A JPG image of the circuit board shown in Figure 6 with parts-placement outlines superimposed. (1k) |
Sam Ulbing |
N4UAU |
|
Jan 2001 |
37 |
"Simulating Circuits and Systems with Serenade SV" Files containing the Serenade SV circuits that are described in the article. (187k) |
David Newkirk |
W9VES |
Dec 2000 |
66 |
"Schematic Drawing Software (H&K)" Schematic symbols in BMP format for drawing schematics in Windows Paint. (18k) |
Bob Schetgen |
KU7G |
|
Dec 2000 |
33 |
"Source code for programming the PIC." (63k) |
Ron Stone |
KA3J |
|
Nov 2000 |
53 |
"An Inexpensive KISS-Mode TNC" Source code for programming the PIC. (12k) |
John Hansen |
W2FS |
|
Oct 2000 |
40 |
"A Basic Stamp Morse Call-Sign Generator" A program listing for the Basic Stamp and an explanation of how the program functions. (1k) |
Gerald Fasse |
W8GF |
|
Oct 2000, |
50 |
"A 146- and 445-MHz J-Pole Antenna" Information for correcting a resonant-frequency problem that results from the use of heavier "type L" copper pipe in lieu of "type M" pipe. The file contains a description of the changes necessary, four graphs and a picture in JPG format. (290k) |
Andrew S. Griffith |
W4ULD |
|
Aug 2000 |
45 |
"Build an Indoor-Outdoor Thermometer for Your Shack" Source code, in ASM and HEX, for programming the PIC. (5k) |
Bert Kelly |
AA4FB |
|
July 2000 |
38 |
An Excel spreadsheet tool--based on George Brown's 1935 ground current equations--used for creating the graphs in the article. These are particularly useful for further investigations. (36k) |
Rudy Severns |
N6LF |
|
June 2000 |
38 |
"Having a Field Day with the Moxon Rectangle" A GW Basic program for calculating the dimensions of Moxon Rectangle antennas based on frequency and element diameter. (16k) |
L. B. Cebik |
W4RNL |
|
May 2000 |
48 |
"Practice Morse Code with a Java Applet" A Java application for a sound card-equipped computer for "Koch Method" Morse code practice. Version for Macintosh. (76k) |
Martin Minow |
K6MAM |
|
May 2000 |
48 |
"Practice Morse Code with a Java Applet" A Java application for a sound card-equipped computer for "Koch Method" Morse code practice. Version for Windows or Linux. (73k) |
Martin Minow |
K6MAM |
|
April 2000 |
61 |
"Add a Morse Readout to the AA4FB PIC SWR Meter" The PIC code in ASM and HEX. (5k) |
Bert Kelley |
AA4FB |
|
Mar 2000 |
60 |
"A Simple Antenna Flipper" BMP images of the cutting and drilling templates for a hinged antenna boom-to-mast clamp. (95k) |
Ken Secora |
N9KS |
|
Feb 2000 |
37 |
"A Repeater Controller Accessory: The RCA" Software and source code for programming the ICs. (Note: For further information, please contact LDG Electronics at 410-586-2177.) |
Dwayne Kincaid |
WD8OYG |
Dec 1999 |
38 |
"A Direct Frequency Entry Keypad for ICOM Transceivers" Source code for programming the PIC. (15k) |
John Hansen |
W2FS |
|
Dec 1999 |
38 |
"A Direct Frequency Entry Keypad for ICOM Transceivers" An updated version of the source code, now including automatic mode switching, for programming the PIC. (17k) |
John Hansen |
W2FS |
|
Dec 1999 |
40 |
"A PIC SWR Meter" The PIC code in ASM and HEX. (4k) |
Bert Kelley |
AA4FB |
|
Nov 1999 |
33 |
HamWeb: "A New Approach to Mobile Data Services" A client/server software program for accessing Internet data via Amateur Radio. (199k) |
John Hansen |
W2FS |
|
Sep 1999 |
42 |
"Beyond the QUICK" PC-board artwork and parts placement diagrams in PDF and HGL for accessory circuits for a keyer and transmit/receive sequencer (see Jun 1999 The QUICK: QRP Under Integrated Control from the Keyer, p 43). (76k) |
Rod Kreuter |
WA3ENK |
|
Aug 1999 |
37 |
"A PIC16F84-Based CW Decoder" Updated software for programming the PIC16F84 and the PC-board layout diagram in Circad. (154k) |
Francesco Morgantini |
IK3OIL |
|
July 1999 |
64. |
"Basic Stamp Remote-Base Controller Adapted for Kenwood TS-870 (H&K)" Source code for programming the Basic Stamp for remote controlling the Kenwood TS-870. (17k) |
Robert J. Molloy |
KD2UJ, |
|
Jul 1999 |
42 |
"A Microprocessor Controlled Multichannel Wattmeter for HF, VHF and UHF" The software, including the source code, for programming the 68HC11 microprocessor. (23k) |
Dwayne Kincaid |
WD8OYG |
|
Jun 1999 |
43 |
"The QUICK: QRP Under Integrated Control from the Keyer" Source code for the PIC and two BMP files for the PC-board. (54k) |
Rod Kreuter |
WA3ENK |
|
Mar 1999 |
40 |
Give Your QRP Rig a Major Power Boost--Part 1, |
Mike Kossor |
WA2EBY |
|
Feb 1999 |
35 |
"A Synthesized 2-Meter FM Receiver with PC Control" A Windows 95/98 control program and the object and source code for a PC controlled 2-meter receiver project. (3M) |
Steve Hageman |
|
|
Jan 1999 |
34 |
"Rotator Magic" Software for the Basic Stamp, including the source code, a calibration check list and more detailed assembly instructions for an improved control box for Ham-M rotators. (99k) |
Gerald Fasse |
W8GF |
Dec 1998 |
42 |
"An Inexpensive Az-El Satellite Antenna Rotator System" Source code for the microcomputer. (129k) |
Jim Koehler |
VE5FP |
|
Dec 1998 |
63 |
"An SSTV Filter Using the KAM-Plus (H&K)" Windows 95/NT program for controlling the filtering capabilities of the KAM-Plus for improving SSTV reception. (82k) |
Bruce Taylor |
AE0T |
|
Nov 1998 |
43 |
"ChannelWatch: A Multiple Frequency Activity Monitor" An accessory Windows 95 program for the ChannelWatch that provides a time profile of channel activity. (86k) |
John Hanson |
W2FS |
|
Nov 1998 |
35 |
"The Micro McElroy" An EPROM binary program file for a CW reader. (2k) |
Bert Kelly |
AA4FB |
|
Oct 1998 |
34 |
"Using PIC Microcontrollers in Amateur Radio Projects" Source code for a PIC Morse generator. (1k) |
John Hanson |
W2FS |
|
Jul 1998 |
37 |
"A GPS-Based Frequency Standard" Source code for the PIC. (3k) |
Brooks Shera |
W5OJM |
|
May 1998 |
33 |
"An Inexpensive Remote-Base Station Controller Using the Basic Stamp" Source code for programming the Basic Stamp for remote controlling the IC-706. (5k) |
John Hanson |
W2FS |
|
May 1998 |
44 |
"Clean Up Your Signals with Band-Pass Filters" HF band-pass filter design program in BASIC. (2k) |
Ed Wetherhold |
W3NQN |
|
Apr 1998 |
40 |
"A High-Performance, Single-Signal, Direct-Conversion Receiver with DSP Filtering" A program for computing filter coefficients and plotting frequency response curves. (312k) |
Rob Frohne |
KL7NA |
|
Mar 1998 |
39 |
"Build Efficient, Short Vertical Antennas" EZNEC antenna definitions package. (32k) |
Thomas Kuehl |
AC7A |
|
Feb 1998 |
35 |
"Build Your Own Network Analyzer--Part 2" Windows 3.1/95 operating program and the source code. (405k) |
Steve Hageman |
|
|
Jan 1998 |
36 |
"A PIC of an IDer" Source code for a PIC-based Morse code IDer. (2k) |
Bob Anding |
AA5OY |
|
Oct 1997 |
46 |
"How's DX?--Now!" QBasic program that will automatically monitor the IARU/NCDXF beacons using a PC and a computer-controlled transceiver. (144k) |
Helmut Zurneck |
DL4FBI |
|
Aug 1997 |
36 |
"An Easy Way to Copy the Weather Satellites" Windows 3.1/95 program for decoding LEO APT weather satellite pictures using a soundcard. (128k) |
Eugene Ruperto |
W3KH |
|
Jul 1997 |
44 |
"Computer Control for Mobile Ham Radio Operation" A Turbo Pascal program for computer controlling the IC-245 with an HP palmtop. (1k) |
Arthur Zygielbaum |
WA6SAL |
|
Jul 1997 |
34 |
"Build Your Own Intelligent Amateur Radio Transceiver (New Books)" Source code for programming an EPROM. (14k) |
Randy Lee Henderson |
WI5W |
|
Apr 1997 |
37 |
"The PortaPeater" Source code for programming the CPU. (11k) |
Jay Craswell |
WB0VNE |
|
Feb 1997 |
33 |
"A Pocket-Size, Direct Reading VHF SWR Meter" Postscript PC-board artwork file. (90k) |
Bill VanRemmen |
KA2WFJ |
|
Feb 1997 |
37 |
"Build a $60 Talking Repeater Controller" PIC source code and operating manual. (15k) |
Jeff Otterson |
N1KDO |
|
Sep 1996 |
41 |
"The Micro-M-A Miniature Charge Controller" PC-board artwork and set up instructions. (26k) |
Michael Bryce |
WB8VGE |
|
Jun 1996 |
32 |
"The Radio Sky" Coordinate-conversion and ICOM R-7100 control software for observing celestial noise sources. (28k) |
Darrell Emerson |
AA7FV |
|
May 1996 |
32 |
"Weekend DigiBrain" Source code for programming the CPU. (23k) |
James Craswell |
WB0VNE |
|
May 1996 |
45 |
"New Life for Dentron MLA-2500s" Builder's details, ARRL Lab test data and photos of the author's modified amplifier. (899k) |
George Daughters |
AB6YL |
|
Apr 1996 |
38 |
"Microprocessor-Controlled Repeater Voting System: the RVS-8" Source code file for programming the CPU. (48k) |
Dwayne Kincaid |
WD8OYG |
|
Dec 1995 |
36 |
"An Easy Path to Packet: the IMP" Baycom TNC program by Florian Radlherr, DL8MBT. (432k) |
Tony Marchese |
N2YMW |
|
Dec 1995 |
25 |
"DAS-DTMF Accessory Squelch" DAS Configuration Reference Guide. (36k) |
Paul Newland |
AD7I |
|
Dec 1995 |
32 |
"The Super Sloper" Description files for the antenna plots shown in the article. (4k) |
Roger Sparks |
W7WKB |
|
Nov 1995 |
36 |
"A Heads-Up Display for Kenwood MF/HF Transceivers" Updated source code for programming the CPU. (12k) |
Steven Bienvenu |
NB5F, |
|
Nov 1995 |
36 |
"A Heads-Up Display for Kenwood MF/HF Transceivers" Original source code for programming the CPU. (14k) |
Steven Bienvenu |
NB5F |
|
Nov 1995 |
71 |
"Airborne Amateur Television" Images from the article in GIF format. (1.1M) |
Ronald Berkman |
KA9CAP |
|
Jun 1995 |
35 |
"A DTMF to RS-232 Converter and HF-Link Controller" Source code for the control program. (293k) |
Nigel Thompson |
KG7SG |
|
Jun 1995 |
27 |
"Voice-Track--A Multifunction, Talking Repeater Controller" Source code for programming the CPU. (17k) |
Alexander Bonello |
LW2EET |
|
May 1995 |
30 |
"Weekend DigiVFO" Source code, executable files, schematic and a shareware compiler. (306k) |
James Craswell |
WB0VNE |
|
Jan 1995 |
60 |
"Quick and Easy CW With Your PC" QBasic source code, set-up file, sample logging file and a HELP file. (94k) |
Ralph Taggert |
WB8DQT |
|
Jan 1995 |
60 |
"Quick and Easy CW With Your PC" An updated version of morse2.zip. (132k) |
Ralph Taggert |
WB8DQT |
|
Oct 1994 |
41 |
"A CW "Stamp" Identifier" Source code for programming the PIC. (3k) |
Pat Bunn |
N4LTA |
|
Jul 1994 |
83 |
"North Shadow (TC)" IBM BASIC program for determining the time of day on a specific date that a shadow will point north at a known longitude. (22k) |
Irvin McNally |
K6WX |
|
Jul 1994 |
26 |
"A Pocket-Size, Talking Morse Computer" Source code for programming the EPROM. (192k) |
Ken Staton |
KD6LHB |
|
Jun 1994 |
40 |
"Fast Code in Florida (Strays)" IBM-compatible PC program for measuring CW code speed. (126k) |
Ted Herrman |
AE8G |
|
May 1994 |
107 |
"Sporatic-E Mapping (The World Above 50 MHz)" ES-PROP program by Jim Roop, K0BI. (141k) |
Emil Polock |
W3EP |
|
May 1994 |
110 |
"N4QN's HP-48 Packet Calculator (Packet Perspective)" Packet program for the HP-48 calculator. (3k) |
Al Gerheim |
N4QN |
|
Feb 1994 |
45 |
"The QSOcorder" Source code for programming the EPROM. (15k) |
Steve Reyer |
WA9VNJ |
|
Oct 1993 |
39 |
"Schematics at Your Fingertips" A zipped file with the schematic symbol files including antsys.pcx, rc.pcx, circuits.pcx and translog.pcx in BMP format for drawing schematics in Windows Paint (the downloaded file will be schemat.zip). (18k) |
Ken Schofield |
W1RIL |
|
Oct 1993 |
39 |
"Schematics at Your Fingertips" A zipped file with the schematic symbol files including antsys.pcx, rc.pcx, circuits.pcx and translog.pcx in BMP format for drawing schematics in Windows Paint. (the downloaded file will be schemat.zip) (18k) |
Ken Schofield |
W1RIL |
|
Oct 1993 |
39 |
"Schematics at Your Fingertips" A zipped file with the schematic symbol files including antsys.pcx, rc.pcx, circuits.pcx and translog.pcx in BMP format for drawing schematics in Windows Paint (the downloaded file will be schemat.zip). (18k) |
Ken Schofield |
W1RIL |
|
Oct 1993 |
39 |
"Schematics at Your Fingertips" A zipped file with the schematic symbol files including antsys.pcx, rc.pcx, circuits.pcx and translog.pcx in BMP format for drawing schematics in Windows Paint (the downloaded file will be schemat.zip). (18k) |
Ken Schofield |
W1RIL |
|
May 1993 |
21 |
"Home-Brewing a 10-GHZ SSB/CW Transverter" PC-board artwork. (290k) |
Zack Lau |
KH6CP |
|
Sep 1992 |
43 |
"Low-Cost Digital Signal Processing for the Radio Amateur" Source code for programming the PROM. (31k) |
Dave Hershberger |
W9GR |
|
Jan 1965 |
|
"The Mox Box, A Simple Monitoring and Control Unit" (903 k) |
|
|
|
|
|
"HamCalc" version 10 installation instructions. (1k) |
|
|
|
|
|
"HamCalc" version 10. (511k) |
|
|
|
|
|
"yt.exe" v1.0 bug fix. (96k) |
Dean Straw |
N6BV |
|
|
|
Vester SSTV software (783k) |
|
|
|
|
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Vester SSTV software Vester SSTV software version N. (980k) |
|
|
|
|
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"Vester SSTV software" Vester SSTV software improvements. (137k) |
|
|
|
|
|
VE's Assistant software--Volunteer Exams "Well Done" (1.2 M) (1.2M) |
|
|
|
|
|
"A Butterworth and Chebyshev crystal ladder filter calculator in Lotus 1-2-3 spreadsheet" (5k) |
|
|
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|
|
"Yagi Genetic Optimizer" Yagi design program documentation. (3k) |
|
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"Yagi Genetic Optimizer" Yagi Design Program. (399k) |
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