Full amateur radio resource and links to radio electronics, astronomy, science, math,
and much more.
73 Amateur Radio
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
/ 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
Amateur, scanner & CB equipment.
Amplifiers & accessories,
Air Force MARS
U.S. Air Force Military Affiliate Radio System. The program consists of licensed amateur
radio operators who are interested in military communications.
Radio parts &
repair, online manuals, power supplies.
/ 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!
Brief intro to Amateur Radio other resources.
All-Risk Ham Radio Equipment Insurance Plan
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
Commercial quality products for effective RF management, quality accessories for commercial
and amateur radio communications.
Aluma Tower Company, Inc
of lightweight aluminum towers, portable & mobile, including telescoping, fixed &
guyed, single section, meteorological, environmental, trailer shelter, vehicle mounted.
Amateur Electronic Supply
Amateur Radio supplies, radio control, rockets, scanners, marine & CB, telescopes.
Amateur Television Quarterly
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
Amateur radio banner ads exchange.
Amateur Radio UK Forum
include UK operating/band discussion, technical discussion, equipment, UK classifieds.
Amateur Radio Pages, United Kingdom
G6DPP David's Home pages.
Radio Research and Development Corporation (AMRAD)
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.
Radio World Ring
Linking radio ham sites from all round the world.
AMECO Publishing Corp
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.
National Standards Institute (ANSI) Administers and coordinates the
U.S. voluntary standardization and conformity assessment system.
American Radio Relay League
Here's your invitation to a friendly, high-tech hobby that's got something fun for everyone!
You can become an Amateur Radio operator. People from all walks of life pass their entry-level
exam and earn their Amateur (ham) Radio license. They all share the diverse world of activities
you can explore with ham radio.
The high power specialist
- amplifiers, antenna switches, tuners, watt meters, relay buffers, tubes & parts.
HAM radio community with ferromagnetic products.
AMSAT (Radio Amateur Satellite Corp)
North American branch of the international amateur radio satellite community.
linear Radio Frequency (RF) products and peripherals for communications, specializing in
preamplifiers, receiver front end filtering & receiver multi-couplers for virtually
any communications application. Our specialty is high dynamic range, low noise figure receiver
front ends to help you solve your communications problems.
online magazine serving the business of communications throughout the globe. Ham operators
endeavor to make contact with others around the world & antenneX© provides a central
place for everyone to readily discuss their experiences with problems and/or successes in
this field of radio signals.
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.
Antique Electronic Supply
Serves the antique radio restoration market, amateur radio, audiophile and musical instrument
markets with the broadest inventory of electron tubes, parts, supplies, and literature for
vacuum tube equipment.
Antique Radio Equipment Slideshow
Click on the "Watch & Edit dotphoto Show"
U.S. Army Military Affiliate Radio System. The program consists of licensed amateur
radio operators who are interested in military communications on a local, national, and
international basis as an adjunct to normal communications.
/ Sunnyvale, TX
RF Network Designer - - provides a number of functions for the professional radio operator
and the ham radio community.
YagiStress™ - mechanical design software for building safe & reliable antennas,
antennas, stacking & phasing devices, high power antenna switches, Baluns, impedance
transformers, custom antenna arrays & switching systems.
Associated Radio Amateurs of Long Beach
ARALB Manages W6RO Club Station aboard the Ocean Liner Queen Mary in the Wireless room
located on the Sport Deck, Queensway Bay, Long Beach Harbor, Long Beach, California. The
Wireless Room features a Ten Position Radio Station. Volunteers operate W6RO during three
4 hour " shifts " daily and establish communication all around the world.
Association of North American Radio Clubs
(ANARC) Federation of North American radio monitoring clubs.
Barker & Williamson Corp (B&W)
Manufacturer of the highest quality HF broadband antenna, air wound coil stock, and
other radio parts for military, commercial, homeland defense and amateur use since 1932.
and photographic equipment including paddles, keys, filters, antennas.
BlueSky Mast, Inc
/ Tampa, FL Light weight, portable mast systems from 2 - 20 meters, Designed for one-man
portability and light weight, they easily deploy in the harshest of environments with no
need for external supports such as shelters or vehicles.
British Amateur Television Club
Encourages and co-ordinates the activities of amateurs involved in all aspects of television
as a hobby.
Buckmaster produces HamCall™
A comprehensive world wide amateur radio callsign database with over 1,700,000 listings.
Byers Chassis Kits
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 Quality low cost QSL
Radio Club Association
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.
marine radio equipment, computer systems.
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.
Power Industries, Eimac
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
Manufacturers Of quality tone signaling equipment.
CQ Amateur Radio Magazine
Radio Amateur's Journal - independent magazine devoted to amateur radio.
Dan's Small Parts &
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
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.
Radio equipment for 50 MHz and above.
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
Radio on the net. Classifieds, Ham exams, links, tests, event calendars, and much more for
Electric Radio Magazine
Published primarily for those who appreciate vintage radio gear and those who are interested
in the history of radio.
Manufacturer of electronic kits for the hobbyist as well as for education.
software by W7EL.
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.
of Printed Circuit Boards for electronic projects that are used by the Amateur Radio and
electronic hobby enthusiast.
in design, implementation and support of wireless wide area networks, wireless communications
and wide area networking.
Felix Meyer HB9ABX
HAM homebrewing: antennas, filters, cables, digital communications.
/ 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
Your online home for towers & communications support structures.
Hal Communications Corp
amateur products and developing communications equipment for over a quarter of a century.
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
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 Free from QTH.COM.
Hammond Museum of
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
Radio Resource - links, events, organizations, manufacturers, dealers, and more.
Ham Radio Outlet
of Ham Radio equipment.
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.
/ Glen Cove, NY
Supplying vintage to modern HAM radio and related manuals.
amateur VHF & UHF radio equipment.
Manufacturer of remote
controlled RF antenna tuners. WW delivery.
Amateur Radio & Technology for people with disabilities.
headsets, audio systems & accessories. The Heil PROLINE division brings some new and
exciting Heil innovations to the commercial broadcast and recording studio.
RF Power Amplifiers &
Exciters Communications equipment.
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 - Amateur radio is a worldwide group of people who communicate with
each other over a wide
spectrum using many different types of wireless transmitting modes.
Caters to Ham Radio hobbyists for hats, T-shirts, coats, mouse pads &
more. Customizable with your name and call sign. Also POW-MIA items.
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
Keyers & kits, rotors, books, filters.
Supplier of custom
designed, high performance quartz crystal filters for communications receivers and transceivers...
Space Station Reference
NASA Ham Radio information.
An international organization within the United Nations System where governments
and the private sector coordinate global telecom networks and services.
Intuitive Circuits, LLC
manufactures, & sells video on-screen display, DTMF, GPS logging, miscellaneous OEM
and standalone products for government agencies, businesses, and hobbyists.
IPS Radio & Space Services
The Australian Space Weather Agency.
Jim's Crosley Antique Radio Page
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) Software,
A technically-oriented site for engineers, technicians and radio amateurs.
oscillators for Amateur Radio equipment.
K9IU Amateur Radio Club
Indiana University Amateur Radio Club - membership includes students, faculty and staff
of Indiana University, as well as other interested local hams.
Repair Center - Custom Sound and Video.
Kangaroo Tabor Software
Analysis and Prediction Tools for Amateur Radio operators and communications professionals.
- 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
quality consumer electronics, test equipment, communications equipment, amateur radio, business
radio, and land/mobile radio products.
Manufacturer of quartz crystals and crystal components.
KW Amateur Radio Club Inc
Amateur Radio Club.
Specializes in vintage manuals for amateur, audio, and radio-related equipment.
805-239-1932 / Paso
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.
Extensive supply of amateur radio equipment & accessories.
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
Amplifiers, docking booster adapter plates, HT docking boosters, remote control, repeaters,
Exclusive Source, printing and publishing of all MRL® Handbooks
and Literature by Paul Nelson and Elmer G. Osterhoudt. Tested Instructions and Plans.
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
Create a free MIDI file for any Morse Code message.
Morse Code Tutorial
A neat online tutorial and interactive code test - by 1728 Software
International non-profit organization dedicated to the perpetuation of the
knowledge and traditions of telegraphy and American Morse Code.
Software tools for ham radio
(propagation, PDA apps), a DXpedition map, links and articles.
National Association for Amateur Radio
ARRL - Exams, clubs, Hamfests, addresses, operating activities, licensing, news.
Navy-Marine Corps MARS
Navy Military Affiliate Radio System, proudly serving the U.S. Navy, U.S. Marines and U.S.
Nevada Radio in the
Suppliers of amateur radio, scanners, pmr, digital and shortwave equipment and
New Sensor Corp
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...
Satellite Tracking Software -real time tracking of an unlimited
number of satellites.
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
quality transceiver kits and accessories.
Ocean State Electronics
kits, test equipment, & hard to find Items. Hobbyist-School-Industrial.
Ole Virginia Hams
"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 &
Specializing in books and objects relating to early technology - radio, television,
wireless, vintage synths, medical electricity, computation & more!
Wireless radio systems, equipment
and accessories, including Terminal Node Controllers (TNCs).
201-447-9120 / Midland
Low-cost, rapid turn-around PCB fabrication service. Free downloadable layout
software. Live, online support available.
Amateur radio equipment,
Ham radio equipment, amateur television equipment.
Peter W. Dahl Co Inc
a wide variety of transformers and reactors for amateur radio and commercial radio &
Dedicated to antique Philco radios from the 1928 through 1947 time
PK's Loop Antennas
+61 412 302 939 / Croydon, Victoria Australia Manufacturers of RF converters, filters, amplifiers
and loop antennas for longwave, mediumwave, and shortwave radio reception.
best selling amateur radio magazine.
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.
implementation reference software.
QRP Amateur Radio Club International
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.
Amateur radio shareware and information.
Low cost web site hosting and
classified swap ads for ham radio, amateur radio and others.
866-4RADIAN / Canada Towers
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.
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)
North American branch of the international amateur radio satellite community.
Radio Bookstore & Radioware
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
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
Radio for Teens
Like the name says...
By Will Haydon, KI4WXL
Information, tutorials and books on all aspects of radio, cellular telecom and electronics
from the historical aspects to today's latest technology.
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
internationally recognised national society for all radio amateurs.
specialty retailer of wireless communications, electronic parts, batteries and accessories
as well as other digital technology products and services.
Information and articles
on civilian & military airbands, scanning, reviews, maritime matters, news, trading
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
716-924-4560 / Victor, NY Amateur radio gear, hobby kits, test equipment, tools, enclosures,
RF signal generator modules.
of amateur radio & shortwave equipment - Estate liquidations are our Specialty.
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
Robert F. Heytow Memorial Radio
Club - K9YA
Publisher of the K9YA Telegraph — a FREE general interest ham radio
S & S Engineering
Precisely QRP - transceivers, frequency counters.
San Bernardino Microwave Society
A non-profit technical organization dedicated to the advancement of communications
above 1000 MC.
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
SHF Microwave Parts Co
Microwave & RF parts for data links, television, voice & telemetry for Hams,
experimenters, & laboratories.
SSTV (Slow Scan Television)
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!
of status reports and audio recordings from Amateur Radio Operators around the world.
Surplus Sales of Nebraska
New & surplus electronic parts.
Computer & electronic
TAPR (Tucson Amateur
Packet Radio) Club website.
High performance professional audio and communications equipment,
hardwired & wireless inter-communications products including microphones, amplifiers
Amateur & shortwave radio, commercial & government radio, cabinets & enclosures
tool & die services.
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.
Online Ham Radio
store - aluminum tubing, amplifiers, books, coax & cable, filters, keys, paddles, remote
switches, towers, more.
Amateur Radio internet guide.
Communications & signal processing products for amateur radio,
military, marine, commercial, government, and industrial applications.
TX RX Systems, Inc (now Bird Electronics
Designs and manufactures transmitter and receiver multicoupler systems, duplexers,
resonant cavity filters, signal boosters, tower-mounted preamplifiers, and many other specialized
RF system products.
Products for radio amateurs who want to get the most performance out
of their stations while contesting, DXing and other competitive activities.
Universal Radio 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
Manufacturer of the world's finest, state-of-the-art,
steel telescoping towers.
VE2EK - 9Q1EK Ham Shack
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
Very Early Yaesu
Amateur Radio Equipment in Australia.
Vintage Radio & Test Equipment site
EB5AGV / EC5AAU personal amateur radio website.
Primary W6ELProp software
Virtual Collins Radio Museum.
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
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 &
New CB radio, FRS/GMRS radio, marine electronics, scanners, antennas,
radar detectors, and all their accessories. Same day shipping in most cases.
resistors, Teflon wire, diodes, solder, fans, silver mica capacitors, vacuum and ceramic
tubes and much much more for CB, Amateur and Antique Radios.
aimed specifically at the outdoor QRP enthusiast.
Manufacturer of quality
television reception products, manufacturing technology and sales of digital satellite antennas.
Club, contest & Hamfest listings, books, references, software, videos, antennas,
Wyke Regis Amateur
Radio Training Centre
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
Wyman Research, Inc
Manufactures television equipment, also is a dealer for Tasco and Kenwood slow scan
receivers, rotators, VHF/UHF handhelds, mobile transceivers, WIRES™ Internet Linking products.