Beyond Stubs and Traps
- Pacificon 2012 Presentation
by Steve Stearns, K6OIK
Conjugate Match Myths
- Pacificon 2011 Presentation
by Steve Stearns, K6OIK
Facts about SWR and Loss
- Pacificon 2010 Presentation
by Steve Stearns, K6OIK
Antenna Modeling for Radio Amateurs
- Pacificon 2008 Presentation
by Steve Stearns, K6OIK
New Results on Antenna Impedance Models
and Matching - Pacificon 2007 Presentation
by Steve Stearns, K6OIK
Antenna Impedance
Models Old and New - Pacificon 2004 Presentation
by Steve Stearns, K6OIK
Mysteries of
the Smith Chart - Pacificon '99, '00, '01 Presentation
by Steve Stearns, K6OIK
HF Digital Keyboard Modes - FARS April, 2001, 2007
by Mikel Lechner, KN6QI
Software
de
K6OIK
General Circuit Analysis and Design
Quite Universal Circuit Simulator (QUCS),
free download
RFSim99, or
alternatively, HyDesign Ltd., free download
OrCAD,
demo version, free download
LTspice Linear Technology, free download
Filters (lumped element ladders)
Elsie,
Jim Tonne, WB6BLD, free student edition
Inductors
NBS
coil design, Stephen Moshier, free download
Transmission Lines
Times
Microwave calculators, 2 models, free download
TX-Line,
Applied Wave Research, free download
TLDetails,
Dan Maguire, AC6LA, free download
T-Network Tuner,
(also here)
Kevin Schmidt, W9CF, free download
XLZIZL,
Dan Maguire, AC6LA, free download
Smith Charts, Match Networks, and Tuners
SimSmith,
Ward Harriman, AE6TY, free download
Smith,
Fritz Dellsperger, HB9AJY, free download
QuickSmith,
Nathan Iyer, KJ6FOJ, free download
SuperSmith,
James Bromley, K7JEB, and James Tonne, W4ENE, free download
XLZIZL,
Dan Maguire AC6LA, watch for update
AMPSA MultiMatch Impedance-Matching Wizard, Pieter Abrie, free trial
Nuhertz ZMatch,
free trial
TLW,
Dean Straw, N6BV. On ARRL Antenna Book CD
MATCH,
William Sabin, W0IYH. On ARRL Handbook CD (chapter 17)
Impedance Matching
Network Designer,
John Wetherell, online calculator
T-Network Tuner,
Kevin Schmidt, W9CF, free download (alternate link)
Miscellaneous Routines
AppCAD,
Agilent, free download
HamCalc,
George Murphy, VE3ERP, free download
Antennas
4nec2, Antenna modeler by Arie Voors
EZNEC, Roy Lewallen, W7EL, $89 (demo version with limited functionality, free)
Unofficial NEC Archives, Miscellaneous free NEC programs
FEKO Lite, free download
NEC-Win Plus, Nittany Scientific, $150
MultiNEC, Dan Maguire, AC6LA, $39 with limited free trial
WIPL-D Demo program (free download)
WIPL-D Lite program $399 from Artech House
HOBBIES Academic version - CD and License are included with the following book,
which is the hardcopy instruction manual:
T.K. Sarkar, Higher Order Basis Based Integral Equation Solver (HOBBIES), Wiley, 2012, ISBN 1118140656.
Price ranges from $162 to $210 depending on where you buy the book.
HOBBIES is similar to WIPL-D but costs half as much, can handle bigger problems, and has a better user interface.
HF Propagation
Proplab Pro 3.0, $240 (alternate link at HF RADIO, $220)
ACE-HF Pro, $99
Ham CAP, DX Atlas, and IonoProbe, Alex Shovkoplyas, VE3NEA; Ham CAP is free download
VOACAP, NTIA-ITS, US government, free download
VOAProp, Julian Moss, G4ILO, free download
W6ELProp, Sheldon Shallon, W6EL, free download
Morse Code Practice
Morse Machine and MorseGen by G4ILO
Super Morse by Lee Murrah, KY8T
The Mill by Jim Farrior W4FOK
Koch CW Trainer, Ray Goff, G4FON, free download
Morse Practice (Java JAR file), Martin Minow, K6MAM, free download
Morse Runner, Alex Shovkoplyas, VE3NEA, free download
W1AW code practice (MP3 files), ARRL, free download