Interesting links (courtesy of MORI Mid-Oklahoma Repeator, Inc.)

Interesting Links

Tech Net Special

http://www.qsl.net/wb5ude/kc6wdk/
HOMEBREW QRP IS GUD 4 U by KC6WDK
complete minimalist homebrew ham station

If you'd like to suggest links for inclusion on this page, or to report errors or dead links, e-mail WB5UDE [email protected]

Last updated: Sep 30 2006

Antennas: 1.2 GHz and up

http://www.g6lvb.com/quadruple_helix.htm
A Quadruple Helix for AO-40

http://www.ij.net/packrats/Article_9/DISH_AOG.html
Parabolic Antennas and their Feeds

http://www.qsl.net/ki7cx/wgfeed.htm
A "Cheap & Easy" 2.4GHz Feed

http://trevormarshall.com/waveguides.htm
802.11b WLAN Waveguide Antennas

http://www.radio-active.net.au/web/80211/galaxy.html
Galaxy Dish Antennas

http://www.guerrilla.net/reference/antennas/2ghz_collinear_omni/
A 2.4Ghz Vertical Collinear Antenna for 802.11 Applications

http://www.guerrilla.net/reference/antennas/2ghz_collinear_omni_lowpwr/
A 2.4Ghz Low-Power 5dBi Vertical Collinear Antenna for 802.11 Applications

http://reseaucitoyen.be/index.php?UdaYagi
Uda-Yagi (en Espanol)

http://www.oreillynet.com/lpt/wlg/448
Original Pringle's can antenna

http://verma.sfsu.edu/users/wireless/pringles.php
Another Pringle's can antenna

http://www.radio-active.net.au/web/80211/pringles.html
Yet Another Pringle's can antenna

http://www.saunalahti.fi/~elepal/antenna2.html
Wlan antenna Waveguide type

http://reseaucitoyen.be/index.php?BoiteDeConserve1
Antenne Ricor� (en Espanol)

http://narx.net/~mike/projects/waveguide/
Slotted Waveguide Antennae for 802.11b Applications

http://www.wwc.edu/~frohro/Airport/Primestar/Primestar.html
Use a Surplus Primestar Dish as an IEEE 802.11 Wireless Networking Antenna

http://www.turnpoint.net/wireless/cantennahowto.html
How To Build A Tin Can Waveguide WiFi Antenna

http://www.saunalahti.fi/elepal/antenna1.html
Wlan antenna 2.4 GHz Do-It-Yourself

http://www.geocities.com/gimmickmo/wireless/antenna/brassyagi/
Building a 2.4ghz 10 element brass yagi

http://members.iinet.net.au/~stygen/Quad.html
2.4GHz Cubic Quad Antenna

http://www.silfreed.net/yagi/
Homebrew 18" 2.4 GHz Yagi Antenna

http://www.qsl.net/oe3mzc/antenna.htm
1270Mhz Yagi Antenna

http://www.tux.org/~bball/antenna/
Building a 2.4GHz Vertical Collinear Omnidirectional Antenna

http://www.hyperlinktech.com/web/antennas_2400.php
HyperGain� 2.4 GHz High Performance 802.11b and 802.11g Wireless LAN WiFi Antennas

http://www.poynting.net/antennas/ism_24ghzyagi12dbi.shtml
2.4 GHz ISM Yagi (12 dBi)

http://www.hdcom.com/2.4ghzantennas.html
2.4 GHz Antennas

http://www.fab-corp.com/index.htm
2.4GHz Wireless Networking Wi-Fi 802.11b & g

http://www.frars.org.uk/images/contentimages/1064.jpg
(Pitures of an antenna. Someone who knows what they call these, please e-mail me with the information, so I can write a better description for this item!)

Antennas: HF

http://www.amqrp.org/projects/BeginnerAnts/bgnsant.html
ANTENNAS: Some Rules of Thumb for Beginners
If you read just one thing about putting up your first HF antenna, let this be the one!

http://www.bloomington.in.us/~wh2t/ant.htm
Inverted L, Mini Super Loop, Full Wave Loop, Double Extended Zepp, Double Bazooka, Homebrew 4:1 Balun, How to Stack/Co-phase 2 Antennas, Fast 2 Meter Antennas (Including a 300-ohm twinlead J-pole) & more

http://www.qrpproject.de/Media/pdf/MultibandfuchsEnglish.pdf
Multi-band end-fed half-wave

http://www.qsl.net/g4vgo/
G4VGOs Kite and Balloon Antenna Site

http://www.w5dxp.com/notuner.htm
W5DXP's No-Tuner, All-HF-Band, Horizontal, Center-Fed Antenna

http://www.geocities.com/w5dxs/antenna.htm
The KC5LDO Vertical Antenna

Antennas: VHF and UHF

http://tcarc.ca/public/2mrollup.php
The Ubiquitous 300-ohm twinlead J-pole for 2 meters

http://www.clarc.org/Articles/uhf.htm
Cheap Yagi Antennas for VHF/UHF

http://www.fredspinner.com/W0FMS/CheapYagi/902vjbcy.html
WA5VJB "Cheap Yagi" 902/903 MHz Antenna

http://snow.prohosting.com/w0rcy/Jpole/jpole.html
From a J to a Zepp
The truth and its consequences

Batteries

http://www.batteryuniversity.com/index.htm
Battery University

http://www.shaka.com/~kalepa/desulf.htm
Battery Desulfator

http://www.qsl.net/kd1jv/batmon.HTM
Battery Voltage Monitor Circuit

http://www.uoguelph.ca/~antoon/gadgets/batt324.htm
Battery Monitor using the LM324

Circuits/Projects Collections

(See also: Various collections in specific categories elsewhere on this page.)

http://w1.859.telia.com/~u85920178/
Remarkable circuits and more from Harry SM0VPO

http://www.rason.org/Projects/projects.htm

http://www.qsl.net/kd1jv/
Steven "Melt Solder" Weber KD1JV

http://www.discovercircuits.com/list.htm
Discover Circuits

http://www.techlib.com/electronics/
Nice collection of radio/electronics circuits

http://www.epanorama.net/links/radio.html#receiver
Some radio receiver theory, plus a few receiver circuits
(Several other radio topics also explained, with project lists)

http://zeus.eed.usv.ro/misc/mirrors/cc/index2.htm
Circuit Central
"the largest circuits archive on the net."

http://members.shaw.ca/roma/
Laurier's Handy Dandy Little Circuits

http://www.aaroncake.net/circuits/
Aaron Cake's electronics circuits

http://braincambre500.freeservers.com/
Pedro and Patrick's World of Hobby Electronics

http://www.saburchill.com/tech/electronics/elect001.html
The Electronics Club Homepage

http://www.qsl.net/wa1ion/index.html
Mark's RF Circuit Building Blocks Page

Crystal Radio

http://bellsouthpwp2.net/w/u/wuggy/
Owen Pool's excellent crystal radio (and more) resources

http://www.techlib.com/electronics/crystal.html
Crystal Radio Circuits

http://www.schmarder.com/radios/crystal/index.htm
Dave's Homemade Crystal Radios

http://www.webex.net/~skywaves/Improved/Improved.html
An Improved Simple Crystal Set

http://members.aol.com/stevef88/radioloo.htm
Crystal Radio with Loop Antenna

http://www.crystalradio.net/
Dedicated to the preservation, experimentation, and advancement of crystal radios.

http://www.bentongue.com/
Crystal Radio Set Systems:
Design, Measurement and Improvement

http://www.midnightscience.com/
The Xtal Set Society

http://www.oldradioworld.de/gollum/
Gollum�s Crystal Receiver World
(Available in both English and German)

http://www.hobbytech.com/crystalradio/crystalradio.htm
Crystal Radio Page

http://hibp.ecse.rpi.edu/~john/xtal.html
High Power Crystal Set
Voltage-doubler circuit drives miniature speaker

DX

http://oh2aq.kolumbus.com/dxs/
OH9W DX Summit

http://www.benlo.com/dxmon.html
VE3SUN DX Monitor

Emergency Power

http://www.qsl.net/ns8o/Induction_Generator.html
An Easy to Build and Operate Induction Generator

http://www.webpal.org/webpal/b_recovery/3_alternate_energy/electricity/lawnmower/generator/generator.htm
Discover How To Easily Build a Portable Low Budget Power Generator

http://theepicenter.com/tow082099.html
Converting a lawn mower into a generator

Learning Online

http://www.earth2.net/parts/?basics/neets.php
Links to lots of online training material

http://www.ibiblio.org/obp/electricCircuits/
Lessons In Electric Circuits

http://www.qsl.net/k3pd/book.html
Also available at: http://www.hanssummers.com/radio/k0iye/
Crystal Sets to Sideband (an online book)

http://www.mikroelektronika.co.yu/english/product/books/ebooks.htm
Several online books about electronics, including:
Radio Receivers, from crystal set to stereo

Lightning Protection

http://users.erols.com/n3rr/lightningprotection/index.htm
Lightning Protection Subsystem

Minimalist Radio

http://www.qsl.net/wb5ude/kc6wdk/
HOMEBREW QRP IS GUD 4 U by KC6WDK
complete minimalist homebrew ham station

http://bellsouthpwp2.net/w/u/wuggy/
Owen Pool's excellent crystal radio (and more) resources

http://www.techlib.com/electronics/crystal.html
Crystal radios and (just) beyond

http://www.e-insite.net/ednmag/archives/1994/081894/17di4.htm
$10 receiver has microvolt sensitivity
Minimalist regenerative receiver by Charles Kitchin

http://www.e-insite.net/ednmag/archives/1996/101096/21di_02.htm
Op-amp oscillators simplify RF designs
by Charles Kitchin

http://www.geocities.com/w5dxs/receiver.htm
One Tube Shortwave Receiver

http://www.jvgavila.com/compac.htm
EB5AGV's One Compactron Receiver page

http://www.scitoys.com/scitoys/scitoys/radio/radio.html
Minimalist radio circuits

http://www.modernradiolabs.com/
Exclusive Source, printing and publishing of all MRL� Handbooks and Literature by Paul Nelson and Elmer G. Osterhoudt.

http://www.lwca.org/sitepage/part15/part15_s.txt
FCC Rules and Regulations, Part 15
Abridged Version
Part 15 authorizes unlicensed low power experimentation.

http://sites.ecosse.net/Vac.Repairs/
The Spontaflex Reflex Web Page
The Ingenious Circuits of Sir Douglas Hall

http://www.somerset.net/arm/fm_only_lowtech.html
Simpler radios for FM reception

http://www.tricountyi.net/~randerse/rixpix.htm
A variation on the Pixie (a multi-band minimalist QRPp xcvr)

Miscellaneous

http://listserv.lehigh.edu/lists/tenten-l/beacons.html
10 Meter Beacon List

http://www.nb.net/~hamradio/hria.htm
Ham Radio Insurance Associates
Insurance for your Amateur Radio equipment!

http://www.wm7d.net/
Callsign database lookup, solar flux, A/K index, and more

http://solar.sec.noaa.gov/ftpdir/latest/MAhr.txt
USAF Hourly Magnetometer Analysis Report

http://www.sfe-dcs.com/
"Solutions for Education"
dedicated to those individuals who are seeking ways to better their understanding of the Electronics, Digital, and Microprocessor Technologies.

http://www.qsl.net/k5lxp/projects/PCBFab/PCBFab.html
Making your own PCB's at Home

http://www.qsl.net/w0jrm/homebrew.html
80 Meter Transmitter with VFO

http://www.hanssummers.com/radio/huffpuff/contents.htm
Huff & Puff Oscillator Stabilisers

http://amwindow.org/tech/htm/lowdisdet.htm
Low Distortion/High Dynamic Range Detector

http://www.qsl.net/wd9eyb/klunky/home.html
Klunky Schematic Editor

http://www.tech-chat.de/AAcircuit.html
ASCII Circuit diagram tool (web page in German)

http://hfradio.org/
NW7US Amateur and Shortwave Radio Command Center

http://www.qsl.net/om3cph/counter/lcd/lcd.html
PIC-based 7-digit frequency meter/digital scale

http://www.backpacking.net/makegear/led-headlamp/index.html
Make Your Own L.E.D. Headlamp

http://greynet.net/~gbarc/feedback/may75.htm
The Octopus: Circuit for testing components with your O'scope
(Page down for Octopus article)

http://www.monmouth.com/~grimcorona/newpage3.htm
Dialectric constants of various materials

http://www.tulsahamradio.org./ares_call_out_kit.htm
Amateur Radio Emergency Service (ARES) Call Out Kits

http://www.qsl.net/yo5ofh/
YO5OFH Casba's HAM Radio Home Page

http://www.g3vfp.org/

http://www.qsl.net/in3otd/

http://www.qsl.net/k5bcq/

http://www.qsl.net/wd4nka/

http://users.belgacom.net/hamradio/

Morse Code (CW)

http://www.ac6v.com/morseprograms.htm
A list of Morse Code software online

http://www.kg2hg.com/cw/cw.html
Great stuff, including gems like
- The Art and Skill of Radio Telegraphy
- CQ Serenade

http://www.qsl.net/n5lf/cw-nts.html
How To... CW Traffic Nets

http://www.mtechnologies.com/cootie.htm
Cootie or Sideswiper: straight key alternative

http://www.thebayleafcafe.com/kbs/finger_paddles.html
CW at your fingertips
Alternative to paddles (or straight key)

http://www.qsl.net/n5lf/cw-nts.html
Quick and Dirty CW Netiquette

Multimedia

http://www.theconnection.org/shows/2005/07/20050729_b_main.asp
Radio program about ham radio from WBUR

NVIS
Near Vertical Incidence Skywave

http://www.qsl.net/wb5ude/nvis
Introduction to NVIS

http://www.athensarc.org/nvis.htm
KV5R: Understanding NVIS Antenna and Propagation Experimentation

http://www.ips.gov.au/HF_Systems/4/3
foF2 (aka "Critical frequency") map

http://www.gordon.army.mil/AC/subject%20list%2004.htm
Army Communicator (Page down to NVIS section)

http://www.w0ipl.com/ECom/NVIS/
ARES / RACES and the NVIS Antenna

Other pages of links

http://dmoz.org/Recreation/Radio/Amateur/
2,860 links!

http://www.ac6v.com/
700 Amateur Radio topics, 6,000 links, 132 pages

Parts info references

http://www.xs4all.nl/~ganswijk/chipdir/
Chip Directory

http://www.datasheetlocator.com/
Datasheet locator

http://www.datasheetcatalog.com/
Datasheet catalog

http://www.rose-hulman.edu/~herniter/Data_Sheets/
Datasheets for most of the parts seen in ham shack junk boxes are found at this URL.

http://nte01.nteinc.com/nte/NTExRefSemiProd.nsf/
Cross Reference Search

http://www.electroniclocator.com/mainmenu.html
Locate product data sheets

Parts/kits suppliers

http://eskc.com/default.asp
Electronics Supply Co., Inc. in Kansas City.
No minimum, and reasonable shipping charges

http://www.qrpkits.com/
Doug Hendricks, KI6DS, of Norcal fame, runs this site with kits for sale

http://kitsandparts.com/
Supplying Toroids, Electronic Parts and Kits to Engineers, Schools and Hobbyists

http://www.bright.net/~kanga/kanga/
US outlet of popular British kit maker

http://www.danssmallpartsandkits.net/
Dan's Small Parts and Kits

http://www.qsl.net/kd1jv/
Steven "Melt Solder" Weber KD1JV

http://www.shieldselectronics.com/
SHIELDS Electronics-Datacom Supply is a full line industrial, security, and datacom distributor.

http://hamradio.cmcorp.com/inventory/Inventory.html
WA1RHP's Electronic Parts Inventory
"If I like your project, I'll send the parts, ... you return my cost of shipping PLUS anything you value the part(s) at."

http://www.w9rca.com/homebrew.html
"Share the Wealth" program
Parts you need, for postage plus $1 shipping/handling

http://www.hoffind.com/
Quality Electronic Components - Below Wholesale Prices

http://www.partminer.com/
PartMiner freetradezone

http://www.debcoelectronics.com/
Electronics & Computers

http://www.americanmicrosemi.com/
American Micro Semiconductor

Propagation

http://sec.noaa.gov/ftpmenu/forecasts/45DF.html
45 Day Forecast Prepared by the U.S. Air Force.

http://www.mountainlake.k12.mn.us/ham/aprs/path.cgi?map=na
Real Time VHF Activity as Reported by the APRS-IS Network

QRP

http://www.alphalink.com.au/~parkerp/qrp.htm
Australian QRP Home Page by Peter Parker VK3YE

http://www.kkn.net/archives/html/QRP-L/
Searchable archive of QRP-L

http://home.frognet.net/~mcfadden/wd8rif/archives.htm
Archives and Articles
compiled by William Eric McFadden, WD8RIF
This is a collection of articles, generally from QRP-L, about QRP operations and portable antennas.

http://www.norcalqrp.org/
Northern California QRP Club

http://www.qrp.pops.net/
QRP & SWL HomeBuilder
(This one is a "Must See.")

Software

http://www.btinternet.com/~g4fgq.regp/
G4FGQ's Software
Original, high-quality, radio engineering/modelling programs.
Remarkable DOS programs easy to download and run

http://www.cq-amateur-radio.com/HamCalcem.html
HAMCALC
George Murphy VE3ERP's Swiss Army knife of ham software

http://tonnesoftware.com/
Several useful radio/electronics programs for Windows, free

http://www.qsl.net/in3otd/glfer.html
glfer --a program for reception and transmission of QRSS/DFCW signals

http://www.nec2.org/
Home Page for NEC Antenna Modelling software

http://hfradio.org/wb8rcr
QSL Maker

Tubes

http://members.aol.com/etetubes/
Electron Tube Enterprises

http://www.mines.uidaho.edu/~glowbugs/
Glowbugs (tubes) site

http://www.angelfire.com/electronic/funwithtubes/
Fun with Tubes

http://aafradio.org/docs/Pullen.htm
Pullen Mixer Excerpts

WLAN

(See also: Antennas: 1.2 GHz and up section of this page)

http://www.qsl.net/n9zia/wireless/
Low Cost Wireless Network How-To