Amateur Radio - Hardware / Software / Resources

Tube Bases

This list includes both Ham operator and equipment supply websites. At some point after the list grows, I will break them into two separate pages - one for operators/clubs and another for equipment vendors.

Amateur Radio Resources
Amateur Radio Manufacturers & Services
Amateur Radio Postage Stamps
Radio & Electronics Restoration Projects
Amateur Radio Hardware / Software / Resources

101science.com
101science.com/amateurradio.htm
Full amateur radio resource and links to radio electronics, astronomy, science, math, and much more.

73 Amateur Radio Today
rrsta.com/hth
Ham to Ham Column spanning amateur radio operating tips, technical ideas & suggestions, computer related tips, shop & shack shortcuts, troubleshooting techniques, & other related topics helpful to fellow hams in the pursuit of their hobby.

A-1 ServoMotor Repair
servorepair.com
888-336-84 / Irving, TX
AC/DC servo motor repair service specializing in the repair of AC servomotors, DC brushless and servo motors, spindle and stepper motors, encoders, and resolvers from many manufacturers.

Advanced Specialties
advancedspecialties.net/policy.htm
Amateur, scanner & CB equipment.

AG6K
somis.org
Amplifiers & accessories, articles.

Air Force MARS
afmars.org
U.S. Air Force Military Affiliate Radio System. The program consists of licensed amateur radio operators who are interested in military communications.

Alinco Electronics
alinco.com
Radio parts & repair, online manuals, power supplies.

Alistair Electronics
aliselectron.com
505-702-5219 / Albuquerque, NM
Service/restoration of vintage tube equipment; Cushman  monitor repair/calibration; amateur radio gear repair. Also repair antique, table-top model radios. Some tubes stocked.

All About Ham Radios!
voicenation.com/resources/general-resources/article-library/all-about-ham-radios.shtml
Brief intro to Amateur Radio other resources.

All-Risk Ham Radio Equipment Insurance Plan
arrl.org/FandES/field/regulations/insurance/equipment.html
Protection from loss or damage to your amateur station and mobile equipment by theft, accident, fire, flood, tornado, lightning, and other natural disasters. You can even insure antennas, rotators and towers!

Alpha Delta Communications, Inc
alphadeltacom.com
Commercial quality products for effective RF management, quality accessories for commercial and amateur radio communications.

Aluma Tower Company, Inc
alumatower.com
Manufacturer of lightweight aluminum towers, portable & mobile, including telescoping, fixed & guyed, single section, meteorological, environmental, trailer shelter, vehicle mounted.

Amateur Electronic Supply
aesham.com
Amateur Radio supplies, radio control, rockets, scanners, marine & CB, telescopes.

Amateur Television Quarterly (ATVQ)
atvquarterly.com
Quarterly publication about amateur television and SSTV with construction articles, local activity, ATV repeater information, building of antennas, RF filters, helium balloons and R/C models with ATV and more.

Amateur Radio Banner Exchange
cq-cq.com/bp
Amateur radio banner ads exchange.

Amateur Radio UK Forum
aruk.org.uk
UK Forums include UK operating/band discussion, technical discussion, equipment, UK classifieds.

Amateur Radio Pages, United Kingdom
g6dpp.com
G6DPP David's Home pages.

Amateur Radio Research and Development Corporation (AMRAD)
amrad.org
Develop skills and knowledge in radio and electronic technology, advocate design of experimental equipment and techniques, promote basic and applied research, organize technical forums and symposiums, collect and disseminate technical information and provide repeaters.

Amateur Radio World Ring
g6dpp.com/worldring/world_ring.html
Linking radio ham sites from all round the world.

AMECO Publishing Corp
amecocorp.com
Text books relating to amateur radio (HAM radio), highpass and lowpass power filters, transmitter test loads (dummy loads), study tapes and disks to learn morse code, transceiver preamplifiers, antenna signal boosters.

American National Standards Institute (ANSI)
ansi.org
Administers and coordinates the U.S. voluntary standardization and conformity assessment system.

Antique Electronic Repair
colboth.com
847-746-4532 / Zion, IL
Repair and restoration of tubed antique radios and musical amplifiers. Also, the repair of tubed and solid-state Ham radio equipment. Kit building services, antenna and grounding products.

Buckmaster Publishing
buck.com
Buckmaster produces HamCall™ A comprehensive world wide amateur radio callsign database with over 1,700,000 listings.

Byers Chassis Kits
home.flash.net/~k3iwk
717-292-4901 / Dover, PA
Manufacture of aluminum chassis kits and cabinets. Small sheets of aluminum and brass. VHF and UHF antenna parts.

Cheap QSL's
cheapqsls.com
Quality low cost QSL card printing.

College Amateur Radio Club Association
collegearc.com
The College Amateur Radio Club Association (CollegeARC) provides a unique opportunity to the amateur radio hobby. CollegeARC has been established to provide a way for college, university, and all other higher education schools with a student club interested in amateur radio (ham radio) to interact with one another online. We have effectively created a community of campus stations which communicates and collaborates together.

ComDaC
comdac.com
Amateur, commercial, marine radio equipment, computer systems.

Communication Concepts, Inc (CCI)
communication-concepts.com
Provides components to amateurs who want to construct their own gear and to professionals who want to save money and time in prototyping their circuit design.

Communications & Power Industries, Eimac
cpii.com/eimac/index.html
Designs and manufactures a broad line of power grid tubes which are used in key markets including broadcast transmitters for AM Radio, FM Radio, VHF television, UHF television, & shortwave. These transmitters range from 100 watts to 500 kilowatts of RF power - and frequencies from audio to 2 gigahertz.

Communications Specialists, Inc
com-spec.com
Manufacturers Of quality tone signaling equipment.

CQ Amateur Radio Magazine
cq-amateur-radio.com
Radio Amateur's Journal - independent magazine devoted to amateur radio.

Dan's Small Parts & Kits
danssmallpartsandkits.net
Virtual online internet catalog - transistors, MOSFETs, voltage regulators, linear & other IC's, diodes, crystals, transformers, sockets, heat sinks, potentiometers, dials, switches, ferrites, capacitors, connectors, & hardware.

Davis RF Co
davisrf.com
Provides electronic and electrical wire, cable, RF connectors, DSP audio filters, rope, non-conductive guy cables for aerial or tower support; plus sundry aerial related parts.

Downeast Microwave
downeastmicrowave.com
Amateur Radio equipment for 50 MHz and above.

DXtreme Software
dxtreme.com
Powerful and easy-to-use logging applications for radio enthusiasts such as amateur radio operators, shortwave DXers and listeners, broadcast band, VLF, VHF, UHF, and TV DXers. DXtreme Station Log & DXtreme Reception Log.

eHam.net
eham.net
Ham Radio on the net. Classifieds, Ham exams, links, tests, event calendars, and much more for the Ham.

Electric Radio Magazine
ermag.com
Published primarily for those who appreciate vintage radio gear and those who are interested in the history of radio.

Electronic Rainbow
rainbowkits.com
Manufacturer of electronic kits for the hobbyist as well as for education.

EZNEC
eznec.com/index.shtml
Antenna software by W7EL.

F5RDH
f5rdh.com
You will find here some achievements concerning ham radio activity. The majority of the these achievements were the subject of a publication in MEGAHERTZ Magazine, Radio-ref. Magazine or in RadioKit Electronica. All information necessary to the manufacture of an assembly, CAD files, and the software are available. Do not hesitate to contact me for further information.

Far Circuits
farcircuits.net
Manufacturer of Printed Circuit Boards for electronic projects that are used by the Amateur Radio and electronic hobby enthusiast.

FastLinks LLC
wirelesswans.com
Specializing in design, implementation and support of wireless wide area networks, wireless communications and wide area networking.

Felix Meyer HB9ABX
home.datacomm.ch/hb9abx/ham.htm
HAM homebrewing: antennas, filters, cables, digital communications.

GeoTool
geotool.com/antmount.htm
714-403-2026 / Newport Beach, CA
Rick Curtis, WA6JKH. Heavy duty pickup truck antenna mounts were developed to provide Amateur, CB, and commercial radio operators a very strong, easily installed antenna mount for several types of antennas. Eliminates the need to drill holes in the exterior body of your truck, and will maintain a mounting location optimal for long distance communications.

Glen Martin Engineering, Inc
glenmartin.com
Your online home for towers & communications support structures.

Hal Communications Corp
halcomm.com
Building amateur products and developing communications equipment for over a quarter of a century.

HamInfoBar
haminfobar.co.uk
by G0DPC
This tool bar will help you get the latest up to date DX news, articles, cluster spots, propagation predictions, as well as quick access to ITU, Zone and several other maps. IE & Firefox versions.

Ham CAP Propagation Software
dxatlas.com/hamcap
HF propagation prediction tool for Amateur Radio by Alex Shovkoplyas, VE3NEA Ham CAP provides a COM/OLE Automation interface that 3-rd party programs can use to start Ham CAP, to set prediction parameters, and to run predictions. In a typical application integrated with Ham CAP the user will right-click on a call sign, and Ham CAP will pop up and display the point-to-point propagation chart. Incredible graphics!

Ham Radio Classifieds
swap.qth.com
Free from QTH.COM.

Hammond Museum of Radio
hammondmuseumofradio.org
The new Museum is now home to hundreds of receivers and transmitters dating from the spark era up to and including National's first solid state HRO500. Over the years the Museum has evolved to become one of North America's premiere wireless museums. Fred Hammond VE3HC

HamRad
hamrad.com
Amateur Radio Resource - links, events, organizations, manufacturers, dealers, and more.

Ham Radio Outlet
hamradio.com
Supplier of Ham Radio equipment.

Ham Lookup
hamlookup.com
540-270-7878 / Bealeton, VA
Amateur Radio call sign search callbook CD-ROM. Modern, easy-to-use software for both Windows and Linux. Free updates, free upgrades.

HamRadioManuals
hamradiomanuals.com
516-671-1181 / Glen Cove, NY
Supplying vintage to modern HAM radio and related manuals.

Hamtronics
hamtronics.com
Commercial & amateur VHF & UHF radio equipment.

Hamware
hamware.de
Manufacturer of remote controlled RF antenna tuners. WW delivery.

Handi-hams
handiham.org/index.php?menu=1
Amateur Radio & Technology for people with disabilities.

Heil Sound
heilsound.com
Microphones, headsets, audio systems & accessories. The Heil PROLINE division brings some new and exciting Heil innovations to the commercial broadcast and recording studio.

Henry Radio
henryradio.com
RF Power Amplifiers & Exciters Communications equipment.

HF-Fax
hffax.de
Hannover, Germany
Marius Rensen presents his site that specializes in worldwide radio facsimile & SSTV. "The reception of Radio fax, Wefax, Press fax, Photo fax and amateur SSTV radio stations is a child’s play now. Inexpensive software such as WXSat and JVComm32 for sound cards, or JVFAX with a simple converter, connect to a (SSB) radio receiver allows you to receive facsimile services and SSTV from stations all over the world."

How Ham Radio Works
howstuffworks.com/ham-radio.htm
Howstuffworks.com - Amateur radio is a worldwide group of people who communicate with each other over a wide frequency spectrum using many different types of wireless transmitting modes.

HotPress
hotpresstshirts.com
800-862-1221 / Sumner, WA
Caters to Ham Radio hobbyists for hats, T-shirts, coats, mouse pads & more. Customizable with your name and call sign. Also POW-MIA items.

Icom
icomamerica.com
Makes amateur radio products for use in long & short-range communications, also makes advanced technology products allowing worldwide communication relayed through space satellites owned by amateur organizations & manufactures a series of short-wave receivers used for hobby, industrial and government applications.

Idiom Press
idiompress.com
CW Keyers & kits, rotors, books, filters.

International Radio
inrad.net
Supplier of custom designed, high performance quartz crystal filters for communications receivers and transceivers... and MORE!

International Space Station Reference
spaceflight.nasa.gov/station/reference/radio
NASA Ham Radio information.

International Telecommunication Union
itu.int/home/index.html
An international organization within the United Nations System where governments and the private sector coordinate global telecom networks and services.

Intuitive Circuits, LLC
icircuits.com
Develops, manufactures, & sells video on-screen display, DTMF, GPS logging, miscellaneous OEM and standalone products for government agencies, businesses, and hobbyists.

IPS Radio & Space Services
ips.gov.au
The Australian Space Weather Agency.

Jim's Crosley Antique Radio Page
crosleyradios.com
Very good collection of Crosley radio photos and a selection of models for sale. A unique collection of vacuum tube box art.

Jim Tonne (WB6BLD)
tonnesoftware.com
A technically-oriented site for engineers, technicians and radio amateurs. Software, App Notes.

JWM Engineering
jwmeng.com
Manufacture phased-locked oscillators for Amateur Radio equipment.

K9IU Amateur Radio Club
indiana.edu/~k9iu
Indiana University Amateur Radio Club - membership includes students, faculty and staff of Indiana University, as well as other interested local hams.

KK7TV Communications
kk7tv.com
Amateur Radio Repair Center - Custom Sound and Video.

Kangaroo Tabor Software
taborsoft.com
HF Communications Analysis and Prediction Tools for Amateur Radio operators and communications professionals.

kc2sho.com
kc2sho.com
Electronic repairs -  Home, auto, DJ and professional audio equipment, transmitters, transposers, repeaters, amplifiers, power supplies, broadcast, amateur (ham) and 2 way communication equipment, computers, servers, network equipment, game systems; test and tune passive RF devices such as filters, duplexers and directional couplers.

Kenwood Communications Corp
kenwood.net
High quality consumer electronics, test equipment, communications equipment, amateur radio, business radio, and land/mobile radio products.

KVG
kvg-gmbh.de
Manufacturer of quartz crystals and crystal components.

KW Amateur Radio Club Inc
kwarc.org
Kitchener-Waterloo Amateur Radio Club.

Manual Man
manualman.com
Specializes in vintage manuals for amateur, audio, and radio-related equipment.

Martronics
martronics.org
805-239-1932 / Paso Robles, CA
7-17-1300 MHz, 13-1300 MHz, 30-1300 MHz discone antennas, PCB design, RF cable assemblies, BALUNS, UNUNS, mobile hitch antenna mounts, systems, and assembly services.

MFJEnterprises.Com
mfjenterprises.com/index.php
Extensive supply of amateur radio equipment & accessories.

Milestone Technologies
morsex.com
Telegraph keys, bugs, paddles, and related telegraphic equipment, electronic eyers, keyboards, and keyer-paddles, electronic kits, AMECO keys, oscillators, filters, pre-amps, code training, hand tools, soldering equipment, test equipment, Morse code training, and logging software, electronic parts and components.

Mirage Communications Equipment
mirageamp.com
Amplifiers, docking booster adapter plates, HT docking boosters, remote control, repeaters, SWR/Watt meters.

Modern Radio Laboratories
modernradiolabs.com
Exclusive Source, printing and publishing of all MRL® Handbooks and Literature by Paul Nelson and Elmer G. Osterhoudt. Tested Instructions and Plans.

Mods.dk
mods.dk
Tips, tricks, and modifications of HAM rigs, HAM modems, etc; modifications of many types of HAM radios, microphones, power supplies, modems etc. You can find how to modify a radio to receive and transmit out of range, you can find how to modify a radio to use high speed packet modems, and how to modify the radio/modem to get better performance.

Morse Code Ring Tone
planetofnoise.com/midi/morse2mid.php
Create a free MIDI file for any Morse Code message.

Morse Code Tutorial
1728.org/morstest.htm
A neat online tutorial and interactive code test - by 1728 Software Systems.

Morse Telegraph Club
morsetelegraphclub.org
International non-profit organization dedicated to the perpetuation of the knowledge and traditions of telegraphy and American Morse Code.

NØHR.com
n0hr.com
Software tools for ham radio (propagation, PDA apps), a DXpedition map, links and articles.

National Association for Amateur Radio
arrl.org
ARRL - Exams, clubs, Hamfests, addresses, operating activities, licensing, news.

Navy-Marine Corps MARS
navymars.org
U.S. Navy Military Affiliate Radio System, proudly serving the U.S. Navy, U.S. Marines and U.S. Coast Guard.

Nevada Radio in the UK
nevada.co.uk
Suppliers of amateur radio, scanners, pmr, digital and shortwave equipment and accessories.

New Sensor Corp
sovtek.com
Products for vacuum tube enthusiasts, guitar players, and repair technicians. We have also added new lines of capacitors, speakers, technician tools (including test equipment and soldering stations), Hammond transformers and enclosures, Duracell batteries, guitar amplifiers, and much more...

Northern Lights Software
nlsa.com
Satellite Tracking Software -real time tracking of an unlimited number of satellites.

Nuts & Volts Magazine
nutsvolts.com
Published monthly for the hands-on electronics hobbyist. Our magazine covers the fields of analog and digital circuit projects, relevant and emerging technologies, fundamentals, and thought inspiring features on lasers, data security, supercomputing, near space experiments, micro controllers and more.

Oak Hills Research
morsex.com/ohr
Source for quality transceiver kits and accessories.

Ocean State Electronics
oselectronics.com
Components, kits, test equipment, & hard to find Items. Hobbyist-School-Industrial.

Ole Virginia Hams
w4ovh.net
"The Ole Virginia Hams is a non-profit Amateur Radio club organized for the educational & scientific study of electronics & communication, and to provide amateur radio communication services for the public."

Old Tech-Books & Things
oldtech.com
Specializing in books and objects relating to early technology - radio, television, wireless, vintage synths, medical electricity, computation & more!

PacComm
paccomm.com
Wireless radio systems, equipment and accessories, including Terminal Node Controllers (TNCs).

Pad2Pad.com
pad2pad.com
201-447-9120 / Midland Park, NJ
Low-cost, rapid turn-around PCB fabrication service. Free downloadable layout software. Live, online support available.

P.C. Electronics
hamtv.com
Amateur radio equipment, Ham radio equipment, amateur television equipment.

Peter W. Dahl Co Inc
pwdahl.com
Manufactures a wide variety of transformers and reactors for amateur radio and commercial radio & TV applications.

Philco Repair Bench
philcorepairbench.com
Dedicated to antique Philco radios from the 1928 through 1947 time period.

PK's Loop Antennas
amradioantennas.com
+61 412 302 939 / Croydon, Victoria Australia Manufacturers of RF converters, filters, amplifiers and loop antennas for longwave, mediumwave,   and shortwave radio reception.

Practical Wireless
pwpublishing.ltd.uk
Britain's best selling amateur radio magazine.

Project OSCAR
projectoscar.net
Project OSCAR started in 1960 and was responsible for the construction of the first Amateur Radio Satellite OSCAR-1, that was successfully launched from Vandenberg AFB in California. OSCAR-1 orbited the earth for 22 days, transmitting the "HI" greeting you see in Morse Code above. Our mission is "To initiate and support activities that promote the Satellite Amateur Radio Hobby". Our primary goal is to reach out and provide logistical support, training and in some cases equipment to amateur radio associations, schools and the public at large.

PSK31
aintel.bi.ehu.es/psk31.html
Peter G3PLX's implementation reference software.

QRP Amateur Radio Club International
qrparci.org
Members are from countries as far apart as USA, Russia, UK, Japan, Holland, Australia and many, many more; a truly international organisation featuring news, links, technical information, and more.

QRZ
qrz.com/mods
Amateur radio shareware and information.

QTH.com
qth.com
Low cost web site hosting and classified swap ads for ham radio, amateur radio and others.

Radian
radiancorp.com
866-4RADIAN / Canada Towers and accessories.

Radio & Electronics School
radioelectronicschool.com
This place has an incredible collection of useful items that includes video and audio lessons, calculators and articles. Founded in 1998 by Ron Bertrand VK2DQ/4. The Radio and Electronics School is a non profit organisation run by a dedicated group of volunteers from the states of Australia.

Radio Adventures
radioadv.com
A small engineering company specializing in the design and manufacturing of ham radio equipment components, kits, & accessories for both the amateur radio and commercial communications markets.

Radio Amateur Satellite Corp (AMSAT)
amsat.org
North American branch of the international amateur radio satellite community.

Radio Bookstore & Radioware
radiobooks.com
Antennas, antenna wire/rope, coax cable, coax connectors, filters - RFI/TVI grounding parts, KD9SV preamps, lightning protection, wire & cable.

Radio Club of Junior High School 22 NYC
wb2jkj.org
516-675-4072 / New York, NYWB2JKJ is the nation's only fulltime non-profit organization working to get Ham Radio into classrooms around the country as a teaching tool using the EDUCOM program.

Radio for Teens
radioforteens.com
Like the name says...
By Will Haydon, KI4WXL

Radio-Electronics.Com
radio-electronics.com
Information, tutorials and books on all aspects of radio, cellular telecom and electronics from the historical aspects to today's latest technology.

RadioReference.com
radioreference.com
Radio communications reference website, featuring a complete frequency database, trunked radio system information, FCC License assignments and callsign maps, 10-Code Lists, agency maps, files, downloads, links, and detailed agency information for most public safety, military, and local government communications.

Radio Society of Great Britain
rsgb.org
UK's internationally recognised national society for all radio amateurs.

Radio Shack
radioshack.com
Consumer electronics specialty retailer of wireless communications, electronic parts, batteries and accessories as well as other digital technology products and services.

RadioUser
radiouser.co.uk
Information and articles on civilian & military airbands, scanning, reviews, maritime matters, news, trading post.

Radioworld
radioworld.ca
Features a wide selection of amateur ham radio equipment, GPS equipment, aviation communications equipment, marine radios, shortwave radios and wide band radio scanners, and CB radios and accessories.

Ramsey Electronics
ramseyelectronics.com
716-924-4560 / Victor, NY Amateur radio gear, hobby kits, test equipment, tools, enclosures, RF signal generator modules.

Recycled Radio
recycledradio.com
Active buyers of amateur radio & shortwave equipment - Estate liquidations are our Specialty.

RF Parts
rfparts.com
Large inventory for servicing and manufacturing amateur, commercial & broadcast communications equipment including cable, connectors & adapters Heliax coax cable, ARRL & technical books, service & owners manuals, RF modules, transistors, heatsinks, high voltage rectifiers, wattmeters & elements, electronic & coaxial dynamics, coax relays, transmitting tubes, high voltage rectifiers, electron tubes, tube sockets, receiving tubes, and much more.

Robert F. Heytow Memorial Radio Club - K9YA
k9ya.org
Publisher of the K9YA Telegraph — a FREE general interest ham radio newsletter.

S & S Engineering
sseng.com
Precisely QRP - transceivers, frequency counters.

San Bernardino Microwave Society
ham-radio.com/sbms
Corona, CA
A non-profit technical organization dedicated to the advancement of communications above 1000 MC.

Seaworthy Software
seaworthy.freeservers.com/custom.html
513-851-6834 / Cincinnati, OH
The CountyLogMobile program is a specialty logging program designed for mobile amateur radio operators. It has been designed to allow quick entry of important information regarding QSOs. The data from this program may be imported into your general logging software. Exports data in the ADIF (Amateur Data Interchange Format) and CSV.

SHF Microwave Parts Co
shfmicro.com
Microwave & RF parts for data links, television, voice & telemetry for Hams, experimenters, & laboratories.

SSTV (Slow Scan Television)
g0hwc.com
by G0HWC
Slow Scan Television SSTV is a transmission method for sending images via the airwaves. These image types could be GIF, JPG, BMP or similar depending on the computer software used for the SSTV transmissions. It works similar to Facsimile transmissions. No license needed for receiving!

SuitSat Transmissions
aj3u.com/blog
A collection of status reports and audio recordings from Amateur Radio Operators around the world.

Surplus Sales of Nebraska
surplussales.com
New & surplus electronic parts.

Surplus Traders
73.com
Computer & electronic surplus supply.

TAPR (Tucson Amateur Packet Radio)
tapr.org
Club website.

Telex Communications, Inc
telex.com
High performance professional audio and communications equipment, hardwired & wireless inter-communications products including microphones, amplifiers and loudspeakers.

Ten-Tec, Inc
tentec.com
Amateur & shortwave radio, commercial & government radio, cabinets & enclosures tool & die services.

Test Parts
testparts-store.com
775-535-7808 / Thomson, GA
New and surplus RF/microwave parts and electronic test equipment. The company focuses on accruing high-end products that are recognized worldwide as being of superior quality, then offering these hard-to-find products at a substantial reduction from retail price. Save up to 75% on connectors , adapters, attenuators, meters, waveguide, terminations, power dividers, o-scopes, switches, amplifiers.

TexasTowers.com
texastowers.com
Online Ham Radio store - aluminum tubing, amplifiers, books, coax & cable, filters, keys, paddles, remote switches, towers, more.

The DXZone.com
dxzone.com
Amateur Radio internet guide.

Timewave Technology, Inc
timewave.com
Communications & signal processing products for amateur radio, military, marine, commercial, government, and industrial applications.

TX RX Systems, Inc (now Bird Electronics Group)
txrx.com
Designs and manufactures transmitter and receiver multicoupler systems, duplexers, resonant cavity filters, signal boosters, tower-mounted preamplifiers, and many other specialized RF system products.

Unified Microsystems
unifiedmicro.com
Products for radio amateurs who want to get the most performance out of their stations while contesting, DXing and other competitive activities.

Universal Radio
universal-radio.com
Amateur and shortwave radio equipment, antennas and accessories, scanners, CB, FRS, GPS and weather instruments, also offers an excellent selection of radio related books.

US Tower Corporation
ustower.com
Manufacturer of the world's finest, state-of-the-art, steel telescoping towers.

VE2EK - 9Q1EK Ham Shack
ve2ek-9q1ek.blogspot.com
Georges Schleger, United Nations Director of Sr. Director of Broadcast Technologies in 9Q (Democratic Republic of Congo), has quite an impressive homebrew setup that you will want to see.

Very Early Yaesu Musen Co
alphalink.com.au/~gfs/yaesu/Yaesu1.htm
Amateur Radio Equipment in Australia.

Vintage Radio & Test Equipment site
jvgavila.com
EB5AGV / EC5AAU personal amateur radio website.

W6ELProp
qsl.net/w6elprop
Primary W6ELProp software distribution site.

W7FG
w7fg.com
Vintage Manuals.

WA3KEY
wa3key.com/collins.html
Virtual Collins Radio Museum.

Wavenode
wavenode.com
Amateur Radio Station Monitoring System with computer interface which now includes Audio Announcing for RF power, SWR, and DC monitoring using remote sensors for local or remote operations. Personalized graphic display.

WeatherShack.com
weathershack.com
888-992-2270 / Copper Hill, VA
Weather Stations for amateur weather enthusiasts, pilots, and ham radio operators. Featuring Davis Instruments, La Crosse Technology, and Nielsen-Kellerman, we carry a wide variety of cabled and wireless weather stations, wireless rain gauges, weather alert radios, and radio controlled clocks.

West Coast Mall - Electronics & Accessories
westcoastmall.net
New CB radio, FRS/GMRS radio, marine electronics, scanners, antennas, radar detectors, and all their accessories. Same day shipping in most cases.

Westgate Laboratories
westgateparts.com
RF transistors, resistors, Teflon wire, diodes, solder, fans, silver mica capacitors, vacuum and ceramic tubes and much much more for CB, Amateur and Antique Radios.

Wilderness Radio
fix.net/~jparker/wild.html
Kits aimed specifically at the outdoor QRP enthusiast.

Winegard
winegard.com
Manufacturer of quality television reception products, manufacturing technology and sales of digital satellite antennas.

WorldRadio Online
worldradiomagazine.com
Club, contest & Hamfest listings, books, references, software, videos, antennas, 24hour watches.

Wyke Regis Amateur Radio Training Centre
WYKERadio.org
We meet and help others without asking for anything in return. Courses do cost money, so we only charge what it costs us and don't ask silly prices. The Training Center is located in Wyke Regis, between Weymouth and Portland in Dorset UK and is open to anyone who is interested in the hobby of amateur radio. For those in the area, it is the place to come to learn, meet other radio amateurs and attend a course if you want to.

Wyman Research, Inc
svs.net/wyman
Manufactures television equipment, also is a dealer for Tasco and Kenwood slow scan systems.

Yaesu
yaesu.com
HF transceivers/amplifiers, receivers, rotators, VHF/UHF handhelds, mobile transceivers, WIRES™ Internet Linking products.