Bookmarks for kl7r

antennas

125 Mile WiFi (not amplified)
ARS Sojourner Antenna Techniques
Add a pigtail to a DLINK wireless card
Anti Jamming SWL antenna
Arrow Diplexer
Balanced Balanced Antenna Tuner
Beer Can Antenna
Blootooth Sniper Rifle
Book: From Transmitter to Antenna
Book: USMC Radio Ops Handbook
Book: USMC antenna handbook
Cebik on the 5 best backyard antennas
Chili Can Antenna WiFi
Common mode currents in end fed antennas
Cpole anenna
Cpole calculator
DOS-based RF calculators
Diplexer 2m/440 3
diplexer 2m/440
Diplexer in a can
ESSEQUE antenna
Electromagnetic Waves and Antennas
FLEX - Folded Conical Helix antenna
g3vgr zmatch
G5RV design info
Grasswire antenna
Great Small Loop Page
Hentenna Applications
Hentenna information
High gain broadband active antenna - dipole
http://www.cantenna.com/
Modelling Traps
NEC archives
noise cancelling phasing circuit
Notebook Antenna
Ohms law vertical phasing
Parabolic antenna for WiFi
Pneumatic Antenna Launching
QRP-L Antenna articles
Simple and Flexible QRP tuner
T network antenna tuner applet
Tuned Widestrip interference cancelling antenna
VLF Loop antenna
W3EDP antenna
W5GI mystery antenna
W8NX trap dipole
W9CF antenna applets
wb3gck zmatch
Why Antennas Radiate
WiFi - Chicken broth box antenna
WiFi Antenna Shootout
WiFi BiQuad
WiFi Bucket Antenna
WiFi Helix Antenna
WiFi Helix
WiFi colinear antenna
Windom
wireless pen antenna
Wlan.org Antenna page
This is Excellent
Zmatch - wd6cbf
zmatch efficency
zmatch single coil
zmatch toroidal coil
Zmatch

biasing

Intro to biasing and loadline analysis
Measuring input and output impedance of amps
Measuring output impedance
Mosfet Switchmode Amplifiers (Class DEF)
RF amp design using Itersil transistor arrays
SM0VPO Transisistor Biasing 1
SM0VPO Transisistor Biasing 2
SM0VPO basic linear amplifier design
TonneSoftware class E amp design software
Transistor PA Bias Circuits
Transistor biasing workbook
W7ZOI Amp Notes
W7ZOI Cascode BJT RF amp bias experiments
W7ZOI Experiments with JFET Biasing
W7ZOI JFET Biasing Tutorial
WA1HQC on Class E amps

clubs

4 State QRP Club
AMQRP club
Adventure Radio Society (Sojurner)
BC QRP club 3764 8:30 ADT nightly
CW Operators QRP CLUB
Columbus QRP Club
Flying Pigs QRP Club
Google List of QRP Clubs
Ham Radio India
Norcal QRP club
QRPP International
RACES Powerpole info
Santa Cruz Ham club Short Skip magazine
Southgate ARC QRP club

design

2 transistor ssb rig for 6 meters
2n2-20
5 band equalizer chip
AACircuit - ascii schematics
AADE Filter Design Software
AADE.com's links
AD9850 Device Configuration Assistant
Active filter whitepaper
Air Core Coils
An AD9850 DDS in ham use
Analog Devices Smith Chart tutorial
Audio Circuits
BC Band highpass filter 2
BC band filters 3
BC band hp filter
Balun cookbook
Balun on Ferrite
Basic circuit theory
book - Sci and Engr DSP Guide
Broadband Transformer Construction
Broadband transformers and mixers
CMOS VFO buffer/ diode mixer driver
ca3028 w/ discrete transistors
CircuitScout.com
Circuits for the Hobbyist
Communication Concepts AMP KITS
Counting circuits
Crystal ladder filter design online
Curve Tracer using Printer Port
dBm VRMS etc convertor
DC-DC Converter Tutorial Maxim-IC
Data Sheets
Designing an audio equalizer
Discover Circuits schematics
Do it yourself OpAmps
EDN Design Ideas
EDN mag -SSB generation w/Hilbert Transform
EE Design Reference Information
ELSIE,ClassE, Meter software
Electronic Component Identification
Electronic Schematic Search
Electronics Circuits Archive
Electronics Resources
Electronics newsgroup archives
Elektor Electronics Projects
Equalizer design
FET circuits
Fabricating Impedance Transformers 2nd Look
Ferromagnetic Core Data
Freepcb - Outputs Gerber files.
GEDA Linux spice/Electronic Design Automation
Gell cell charger 6V
GreenBay Wireless Club -INTERESTING
grid dip meter
grid dipper schematics
Guitar Effects Schematics 2
Guitar Effects Schematics
Guitar Effects Schematics
hb radios
Headblaster audio amp
Hobby Circuits Collection
HobbyElectronics.info lots of good links
http://www.discovercircuits.com
http://www.geocities.com/leon_heller/
i0cg k1 ssb mod
IRF510 amp ik4auy
ik3oil pic freq counter cheap
Impedance Matching - Bryant
JF1OZL execllent hand drawn schematic ideas
LED Clock 1
LED Clock 2
LED Clock 3
LED Clock 4
LMS impedance bridge
Ladder Filter 2
ladder filter 1
ladder filter 3
ladder filter 4
lots of irf510 amps
Martindales Engineering
Mixer FAQ from minicircuits
Mixer Theory
Mixers in Radio Communications
N4UAU DC-DC booster
NE602 pspice model
ne602 balanced modulator
noise gate / compressor ssm2166
OceanState Electronics downloads
Old radio schematics/12v regen
Olimex pc boards
One transistor battery charge circuit
Online Reactance Calculator
online_resources_about_electronics
OpAmp applications guide
OpenCollector Database (openhardware tools)
PIN diode limiters
Phasing Method for SSB
Prototyping techniques
Push pull amp using parallel transistors
QEX/ARRL files
Quadrature phase shift network - audio adjustable
Quadrature phase shift networks
RF power transistors
RFCAFE.COM
RFparts Transistors
Rainbow LED voltmeter
Reducing Amplifier Spurs
SMD Codebook
SPICE for Hams
SSB generation using DSP
Schematic Archive
SolderMount prototyping boards
Some Aspects Balun Design
Spice Model Index
Spice Software
spiceAD V4 lite
Super Capacitor Battery
Super Capacitor Hand Charger
TI's OpAmps for Everyone
TL431 shunt regulator as audio amp
TTL pinouts
The EE Compendium
Tonne Software - meter/classe etc
Transistor substititution rules of thumb
UN-UN 1
UNUN SEVICK
UNUN Sevick less than 1:4
Unijunction Transistor using PNP and NPN
Use of Ferrites in Broadband Transformers
Use transistors to replace ca3028
VFO Circuits
VFO QRP Pops Hartley 2 Fet
VFO Stable wide range
VU2FAX Farhan Simple 2 band xcvr
W7EL articles baluns antennas etc
WA5BDU's Spice/Banjo/QRP site
Wideband rf transformers
www.Radio-Electronics.com circuits
www.datasheetlocator.com
www.highfrequencyelectronics.com
www.radiowrench.com schematics
XE1BEF projects links

elmer

10-600pf variable cap using hinged circuitboards
101science.com amateur radio
AMradio using 3 terminal ic
ARRL Hands-On-Radio
Agilent Educators Corner (Lab counter/D2A)
Agilent Educators Corner
Arnie Coro DXers Ulimited fm Radio Havana Cuba
Audio oscillator for mcw fm
Book: Crystal Sets to Sideband
Build a crystal radio set in your kitchen
CDROM radio and homebrew headphone
CW contest simulator MorseRunner
Cheap SWL radios
Cigar Box Xtal Radio Set
Crystal Radio Kits
Crystal Radio parts (polyvaricons, hi-Z earphones)
Crystal Radios
Crystal Set
Crystal set Headphone matching
Daves homemade radios - Xtal sets
Elmer 101 discussion of SW40+
Elmer 101
Exploring the Electromagnetic Spectrum
Foxhole Radio
Headset performance in XTAL radios
http://www.electronicschat.org/
irc://irc.freenode.net##electronics
kk7ug links
Koch method cw trainer
Michigan Mitey Mite Transmitter
Navy Electricity & Electronics Train Series NEETS
Oatmeal box crystal radio set
Online Book - Electricity/Electronics
Online Book electricCircuits
phonetic alphabet (funny)
PileMania CW contest simulator
RF Noise Identification Page
rec radio amateur newsgroups
Repair of Old Vacuum Tube Radios
SWR theory
Simple FET Electrometer
Tesla's Life Story in Morse Code
Twin T audio oscillator
What Ham Radio is Like
ZL1AN Teach
Great morse code training program

humor

Military humor

instrumentation

16f877 Electronics bench in a box
1ghz scope probe construction
20 dB Coupler
20dB or 30dB directional coupler Elecraft
23 db DDS amp
6 digit counter
Add a 1ghz prescaler to your 10mhz scope
B&K oscilloscope handbook
Build a Vector Network Analyzer
Build a cheap 1ghz scope probe
Build a digital storage scope using an fpga
Continuity tester etc
continuity tester
Curve Tracer
DBM/RMSVolts/Watts @50ohms conversion
DK3RED instrumentation page
EDN Test and Measurement Schematics
Equivalent Series Resistance tester
FET grid dip meter.
Frequency Standard
Homebrew FET scope probe.
Homebrew Spectrum Analyzer
How to test a MosFet
Kits for Skottys Spectrum Analyzer
LMS impedance bridge
logic probe 1
logic probe 2
logic probe 3
logic probe 4
logic probe 5 with pulser 16f84
logic probe 6 74122
logic probe 7 16f84 microchip an
low voltage continuity tester
MFJ259 calibration
MWInstruments
Manhattan Noise Generator
Massive number of links from Epanorama.net
Measure Z with X-Y scope 1
Measure Z with X-Y scope 2
Mondoprobe using 16f870
N0SS noise source
n5fc junkbox capacitor checker
Octapus
Oscilloscope Tutorials
PIC LC Meter
PIC LC Meters
QRP rf power measurements
RF current probes
RF probe
Return Loss to VSWR conversion
Return Loss/SWR calculator disk
Return loss bridge basics
Return loss bridge
SCOPE1
SCOPE2
SCOPE3
SCOPE4
Scope probe types
Scope2.pdf
Scotty Sprowls Spectrum Analyzer
Signal Tracer/Injector npn
Signal Tracker / lm386
signal tracer / detector
signal tracer / injector and detector
Signal tracer pulser/tracker
Simple Gate Dip Meter
Spectrum analyzer using TV tuners
Super octapus
TecTronix XYZs of oscilloscopes
test equipment schematics
The Engineer's Guide to DSP
The Octapus tester
Third Ord Intercept from 1dB Compression Point
Time domain reflectometer
Two Tone Test 1
Two Tone Test Elecraft
TwoToneTest.mp3
Using Oscilloscopes
V/I Curve tracer

interesting

ASCII-o-Matic
AmSci.com
Aquinas - Do angels pass thru space or jump?
Aquinas - Summa Contra Gentiles - Translation
Aquinas - Summa Theologica 2
Benfords Law
Blue Tarp Kayak
Bootable Cluster CD (linux cluster)
Build your own Skype chat cord
CD Burner XP freeware
Electric Sheep collaborative screensaver
External Chi measurements
findsounds.com
First man to break the sound barrier
Fourmilab RetroPsychoKenisis experiments
Fourmilab RetroPsychoKinesis
Free online books
FreeMind / MindMap
GuitarShreadShow
Hack of the Day
HomeBrew CPU - all 7400 chips
How Microsoft lost the API wars
http://mathworld.wolfram.com/
http://stellarium.sourceforge.net/
http://www.citizenwarrior.com
http://www.globalsecurity.org/
http://www.whatthebleep.com/
Interesting stuff on forward time echoes
James Woolsey on WW4
Logical Fallacies
MIT OpenCourseware
Make a Joule Thief
Makezine.com
MathForum.org
Molecular computing online course
Museum of online museums MOOM
Norad audio transcripts of 911
Ocean - comparative religions
Phone Phreaking
Pocketmod - Free personal organizer
Policy Review #114
Psychology of Intelligence Analysis
puzzle rocking chair
Religion as a Mind Virus
Religion memetics - excellent
Russian Beacons on 40 meters
Statfor weekly briefing
Tesla Down Under
The Amateur Scientist cdrom of all articles
The Mind Virus
Ultimate Boot CD for Win
UltraVNC
Un-Demoralize yourself
www.fas.org

linux

AFU Knoppix Ham Radio CDROM
DistroWatch
Feather Linux
How to Remaster Knoppix without Remastering
How to Remaster Knoppix
http://www.tuxmagazine.com/
Knoppix Remastering Howto
Knoppix hamshack-hack

mainframe

$TRACER SNAP/IEATDUMP like tool
1997 NASPA articles by month
3270 datastream programming
ABCs of Z/OS system programming redbooks
ACF2 to RACF Redbook
ASM/370 links
Ask Mainframe Experts
Asm OpCodes chart
BOOK: MVS System Programming
BPXSPOOL/BPXWUNIX/ REXX Return codes in JCL
Backup and Restore Jcl Examples
bit.listserv.ibm-main
bit.listserv.ibmtcp-l
Bookmanager Searchable
Cbttape.org Links page
Cheryl Watson's tuning letter articles
Codepage info
Command Reference Notes for Sysprogs
create a mini mvs system
DFSMS - Catalogs
DFSORT Splice examples
DFSORT tricks
Dave's TN3270 FAQ
Daves MVS TIPS
Daves hex page
Dictionary of Computing Terms
FTP TLS to external host in batch
Google MVS links
h3270 web based 3270 client
HILMAS High Level Macro Asm progs
HLASM links
HowTo TN3270 SSL OS390 2.10
http://www.rizzuto.it/tools.htm#
IBM DVL self study courses 1
IBM DVL self study courses 2
IBM ISPF Workstation Agent
IBM Logrec Viewer download
IBM VVDS Fix Catalog
IBM freeware
IBM utilities guide
IBM-MAIN FAQ
ISPF-L list
ISRDDN doc
ISRFIND doc
JZOS / Dataset Pipes
Java programs in MVS batch
List of Listservs
ListServs at Marist
Listservers at UGA (assembler-list)
MVS Bookshelf
MVSHelp forums
Mainframe Monthly
Mainframe Week - MVS/ZOS
Marist.edu Z/OS courses
MvsHelp Ref01
mvshelp.com
NASPA
NETSTAT admin man page
OMVS freeware from IBM
OpenSource software redbook (binaries)
Ops Console commands 1
Ops Console commands 2
Ops Console commands 3
POP
Planet MVS Freeware (Daves MVS Freeware)
RACF meets USS part1
RACF meets USS part2
REXX Reference
REXX and Z/OS USS
RFC4217 FTP SSL/TLS state of play
RMF Spreadsheet Reporter
Redbook: TCP/IP Tutorial
Rexx Function package for OMVS (stdio/REXX)
Rexx Global variables
Rexx manuals
Rexx users guide
SAS userguides fm asu.edu
SDSF Usage Tips - xdc
SMF data info
SSH Batch jobs to external server
Securing Z/OS FTP server
TDSlink free Web-based IP trace tool - good stuff
The Guerilla Model of perfomance analysis
Using REXX under USS
Utilities examples
www.tsotimes.com
X3270 / C3270
XEPHON CICS archive
XEPHON MVS archive
Xephon MVS
Z/OS 1.4 IP Diagnosis Reference
Z/OS 1.7 Bookshelf
Z/OS 1.7 Collection
Z/OS 1.7 Data Areas
z/OS CheatSheets
Z/OS Internet Library
Z/OS basic skills page
Z/OS basics redbook
Z/OS web based install wizards

outside

msgroup bike forum

pic

16f628 LC meter
16f84 LC meter
32 bit math routines
32 bit signed math routines
ATMEL Butterfly Primer
AVR projects eg. GCC butterfly LCD code
aa0zz homepage picel k8 keyer iqvfo etc
Acroname - pic controllers servers
Binary Counter for 16f84
bknd c compiler
Butterfly information fm robotgames
COM84 PIC programmer
Circuit Cellar PIC links
Clock 1
Clock 2
Clock 3
cramerlcd.asm cramerlcd.h
DSP info
dl4yhf freq counter
EIO LCD intro
EasyPIC3 (w/ C,PAS,BAS compilers) awesome
Engineers Assistant
Free C compiler for PICs
Free MikroElektronika compilers
GNU SDCC PIC compiler
gnupic lcd simulator
Hacking a mouse for encoders
Hagtronics
Hitachi 44780 LCD controller
Hobby-elec.piclist.com
How to control a HD44780 LCD
How to use intellegent LCDs
Howto do RS232 without a MAX232
http://www.myke.com/lcd.htm
http://www.n9cx.com/BobBall.htm
IC-Prog programmer
IK3OIL counter
L/C Meter 16F84 German
LCD I/O Routines
Micro4you.com
Morse decoder uses 16f84 and 567
My first PIC project
OM3CPH Freq counter
PJRC - 8051 Development board
Parallel Port LCD
Pic Logic Analyzer
Pic MicroController online book
PicPGM free works with 12f683
PicelGen/ Sweepgen for PICEL/DDSVFO
Programming the Butterfly for idiots like me
RepairFaq LCD HD44780
source for pic programmers
SparkFun
Stefs PIC pages (JAL)
Stepper motor encoder for VFO
Stepper motor encoder
Stepper motor experiments
Stepper motor generator
VE3LNY pic projects
VK3BHR counter
Warp 13 programmer
Weeder frequency counter 16f84
www.k1el.com keyers

programming

Book K + R C
cplusplus.com - reference with examples
DB2 Express - Free
DSLIN graphing software works with dev-c++
Dev-C++ FAQ
Download VB.NET express
Excellent set of links to C/Dev-c++ resources
Free C compilers check out cygwin and dev-c++
gametutorials.com
http://twkm.freeshell.org/c.html
irc://irc.us.freenode.net/#c
LearnVisualStudio.Net videos
Liberty Basic
Nullsoft SuperPimp scriptable installer
REXX FAQ
REXX.ORG
REXXLA.ORG
SysInternals system software freeware
VB express learning videos
Windows Scripting Host
www.thefreecountry.com

propagation

propagation and geophysics

6 Meter propagation map 2
6 Meter propagation map current
AA7A propagation page - Good links
BLO Ionosonde
Coronal Holes over time
Earthquake precursors
Exploring the Electromagnetic Spectrum
greyline map 2
Greyline map
HAARP - data from site
HAARP Operations
HAARP
HFRadio.org
HIPAS ionosonde
Ionosonde - Athens
KL7R DX Cluster
Lowel DigiSonde information
Lowell Digisonde Station List
Magnetic Antennae for ULF
My propagation page
NA5N FDIM propagation seminar
NOAA 27day forecast
Nasa INSPIRE projects sferics tweaks whistlers
Pedersem Rays
PingJockey WSJT meteor page
Russian HF Beacons
Schumann 2
Schumann 3 VLF
Schumann Resonances 1
Schumann Resonances in HAARP ELF receiver
Solar Terrestrial Activity Report
Space Weather Now from SEC
spaceweather.com
StratWarm Nitrogen and Ozone Hole
TV carrier freqs
Listen to ch2 TV vid carrier for 6m openings
UWASA Sunpot Numbers
VOACAP Propagation Prediction

qrp

10 watt linear amp
2n2 etc page
3 band 4 watts Rig using 74hc240
5 watt 30m xmtr using 2n3053s
7040 audio stream
74hc240 transmitter
7L2VPL web site
BITX20 homepage Farhan
Black Widow paddles
CW over Echolink
Circuit - DSB transmitter
Clipper Paddles homebrew
Club Sandwich - multiple altoids boxes - 1 qrp rig
Club Sandwich Building Block Radio Project
Crystal Swap page
Discrete component rc active filters
Fireball 40 amp
G4OEP QRP/Glowbug stuff
GooTee board PCB
Great KX1 case
HandsOn Radio by ARRL
Homebrewers Hobby page
How to get 74db from an LM386
http://www.ad5x.com/
IW3HEV antenna analyzer
Joule Thief led flashlight
KE6US Site
Klunky Schematic Drawing
Leon Heller's website
LoFer receiver using 2 chips and a soundcard
M0HBR homepage
manhattan building techniques etc
Measure ground resistance/ noise bridge schematic
MixerVFO - two xtals one transistor
N0SS site great K1 K2 site
NB6M miniboots
NE QRP club noise bridge kit
NJQRP Coherent CW page
Nick Kennedy's circuits
No moving parts iambic paddles
Noise Bridge Schematic
Online Book - Crystal Sets to SideBand
PA0FBK FT817 qrp page
PG1N QRP site fb
Pipsqueak Regen Receiver
Popcorn preamps
QRP / Burning Man - Great Site
QRP linear amp 500mw
QRP-L Searchable
QRP10 - awesome
This is a book on the construction of the QRP10
Ranson projects FB
Receiver Building Blocks
diode dbm product detector
Regen Receiver
SM0VP0 - Harrys homebrew page
SM0VPO 1/2 watt amp
SM0VPO 4 watt qrp linear amp
SM0VPO 500mW Linear Amp #1
SMT / conventional prototype board
SMT part kits/ land patterns
SP5DDJ qrp site
SSB exciter
simple dsb tx
Single transistor regen RX
SoftRock 40
Tuning VFOs with a PN Junction
VE7BPO Popcorn QRP/SWL site
ve7ca's qrp links
wa6otp pixie
Wee Willy DSB Transmitter
www.antentop.org

security

Cert Bulletins
Incidents.org

silly

16 ways to tie your shoelaces
Abdul abulbul amir
deadbeef2
deadbeef
Internet TV Stations
Lego Mindstorm Paddles
Snark

soundcard

SoundCard Software

Arrl article on SCAMP
Audio derived PTT for PSK
ChromaSound DSP filter
DFT sample program w/ source
DL4YHF Soundcard Utilities
DazyWeb Oscilloscope
Digipan
Flex32 soundcard packet for windows
Ham Radio Deluxe
Oscilloscope for Windows
PileMania Windows pileup trainer - pretty good
Portable phone on echolink/skype
Powering Soundcard Microphones
RDFT/SCAMP info
Soundblaster Mic Preamp
Soundcard Audio Tools and Toys
Soundcard Tips

tools

Mini Bending Brake
Pricelessware - Best Freeware
Windows Freeware Utilities

vendors

AADE.com's compilation of ham rig selling prices
af4k.com crystals
Dans Small Parts - electronics
digikey
EME DDS Kits
Edmund Scientific
Electroncs parts
Electronics Goldmine Parts
Fairchild Transistor cross reference
fairradio.com parts/surplus
futurlec (zif sockets etc)
http://www.goldmine-elec.com/
http://www.hosfelt.com/
Info on Anderson Powerpole
30 amp is the standard
JacksonHarbor
Jameco
mouser
NTE Transistor Cross Reference
NightFire Electroncs Component kits
Ocean State Electronics
OceanState Electronics - crystals
Old tube-type powersupply caps
Parts suppliers
PartsandKits.com/Toroid King
peanut whistle etc
Small Wonder Labs kits
SmallParts.com hardware
washington.edu Transistor Data Sheets
WebTronics
www.harborfreight.com
www.qrpkits.com Doug Hendrix
XTALS 1
Xtal radio parts supplier

web

http://freewarejava.com/
http://www.dynamicdrive.com/
Web developer links from dynamicdrive
WebWriter

winapi

Windows Programming

C# Source code
Devlib-Central directx/sdl for devc++
Digital Fourier Transform
Good writeup on DFT math
foosyerdoos winapi programming
GameTutorials windows programming
Games written in Allegro
inputbox for vc++
Inspect dll exports/imports
irc://irc.sucks.net/#winapi
Microsoft Empower for ISVs
$350 for everything microsoft has...
Microsoft Visual C++ .net free
Nomad Programming tutorials
Reliable Software W32 API Tutorial
Source code dft soundcard winapi
UltimateGameProgramming.com
Win Api Examples
Win32 programming FAQ
winapi32 tutorial
Windows API online reference
Windows Assembler Programming
www.internals.com
www.sysinternals.com

winserial

APRO Zilla
APRO on SourceForge
CodeGuru A communications class for serial port
CodeGuru Accessing Com Ports
CodeGuru Forum - How to prevent start up pulse?
CodeProject Serial Library for C++
CommApi Reference
comport wrapper example
How can I dial out the modem using Delphi?
How to access serial and parallel ports w/ vb.net
Platform SDK
Prpgrammers Heaven Windows Comm/Tapi
Serial Communication in Win32
Serial Programming under Windows
Serial comunication with VB.NET
Serial port access with Borland C++ builder
Serial port software
Serial programming using Delphi
Using Communications Resources
Using Visual C++ w/ MFC in serial port apps
Using a PC's serial port
vbrad mscomm tutorial
Win32 API wrappper code downloads
Windows API and devices
Writing a Serial Comms library for Windows
www.internals.com - winio