1996 - 2016
BSEE - KB3UON
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.
My Hobby Website:
Amateur Radio postage stamps
Amateur Radio Manufacturers & Services | Amateur Radio Postage Stamps
Radio & Electronics Restoration Projects | Amateur Radio Hardware | Software | Resources
A-1 ServoMotor Repair | 888336-8430 | Irving, TX
ABC Vacuum Tubes | 407-761-7205 | Orlando, FL
Afreet Software | HF propagation prediction tool for Amateur Radio
by Alex Shovkoplyas, VE3NEA
AG6K | Amplifiers & accessories, articles.
Alinco Electronics | Radio parts & repair, online manuals, power supplies.
Alpha Delta Communications | Commercial quality products for effective RF management, quality accessories for commercial and amateur radio communications.
Aluma Tower Company | Manufacturer of lightweight aluminum towers, portable & mobileluding telescoping, fixed & guyed, single section, meteorological, environmental, trailer shelter, vehicle mounted.
AMECO Publishing Corp | 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.
Ameritron | 662-323-8211 | Starkville, MS
| 800-898-1883 | Costa Mesa, CA
Angle Linear | 310-539-5395 | Lomita, CA
Antique Electronic Supply | 480-820-5411 | Tempe, AZ
Array Solutions | 972-203-2008 | Sunnyvale, TX
Barker & Williamson Corp (B&W) | 321-639-1510 | Cocoa, FL
Bencher | 847-838-3195 | Antioch, IL
BlueSky Mast | 877-411-6278 | Tampa, FL
Cheap QSLs | 209-847-6744 | Oakdale, CA
Cobham Antenna Systems | +44(0)1638 732177 | Suffolk, UK
Communication Concepts (CCI) | 937-426-8600 | Beavercreek,
Communications & 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 | Manufacturers Of quality tone signaling equipment.
CW Touch Keyer | 508-285-7600 | Norton, MA
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.
Downeast Microwave | Amateur Radio equipment for 50MHZ and above.
Enigma Component Shop | +44 (0) 208 208 3150 | London, UK
EZNEC | Antenna software by W7EL.
Far Circuits | Manufacturer of Printed Circuit Boards for electronic projects that are used by the Amateur Radio and electronic hobby enthusiast.
GeoTool | 714-403-2026 | Newport Beach, CA
GlenMartin | 800 486-1223 | Boonville, MO
Grove Enterprises | 800-438-8155 | Brasstown, NC
Hal Communications Corp | 217-367-7373 | Urbana, IL
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!
HamRadioManuals | 516-671-1181 | Glen Cove, NY
Hamtronics | Hilton, NY
Hamware | Germany
Heathkit Educational Systems | 800-253-0570 | St. Joseph, MI
Heil Sound | 618-257-3000 | Fairview Heights, IL
Henry Radio | 800 877-7979 | Los Angeles, CA
High Sierra Microwave | 530-644-3393 | Camino, CA
HotPress | 800-862-1221 | Sumner, WA
Icom | 800 872-4266 | Bellevue, WA
Idiom Press | 541 956-1297 | Merlin OR
International Crystal Mfg Co | 800-725-142 | Oklahoma City, OK
Intuitive Circuits, LLC | 248 588-4400 | Troy, MI
Jan Crystals | 239-936-2397 | Fort Myers, FL
JWM Engineering | Manufacture phased-locked oscillators for Amateur Radio equipment.
Kenwood Communications Corp | High quality consumer electronics, test equipment, communications equipment, amateur radio, business radio, and land/mobile radio products.
KVG | +49 (0) 7263 | 648 – 0 | Germany
Manual Man | Specializes in vintage manuals for amateur, audio, and radio-related equipment.
Martronics | 805-239-1932 | Paso Robles, CA
Modern Radio Laboratories | Minneapolis, MN
Morcom International | 703-263-9305 | Chantilly, VA
Nat Radio Co | Point Pleasant, NJ
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...
Northern Lights Software | Satellite Tracking Software -real time tracking of an unlimited number of satellites.
Oak Hills Research | Source for quality transceiver kits and accessories
Old Tech-Books & Things | Specializing in books and objects relating to early technology - radio, television, wireless, vintage synths, medical electricity, computation & more!
PacComm | Wireless radio systems, equipment and accessoriesluding Terminal Node Controllers (TNCs).
Palomar Engineers | Manufacturer of amateur radio equipment, also sells ferrite and iron powder cores for RFI suppression and prototypes.
P.C. Electronics | Amateur radio equipment, Ham radio equipment, amateur television equipment.
Peter W. Dahl Co Inc | Manufactures a wide variety of transformers and reactors for amateur radio and commercial radio & TV applications.
Philco Repair Bench | Dedicated to antique Philco radios from the 1928 through 1947 time period.
PK's Loop Antennas | +61 412 302 939 | Croydon, Victoria Australia
QTH.com | Low cost web site hosting and classified swap ads for ham radio, amateur radio and others.
Quantics | W9GR Digital Signal Processors.
Radio Adventures | Specializing in the design and manufacturing of ham radio equipment components, kits, & accessories for both the amateur radio and commercial communications markets.
Radio Bookstore & Radioware | Antennas, antenna wire/rope, coax cable, coax connectors, rilters - RFI/TVI grounding parts, KD9SV preamps, lightning protection, wire & cable.
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.
Radio Shack | Consumer electronics specialty retailer of wireless communications, electronic parts, batteries and accessories as well as other digital technology products and services.
Rainbowkits | Manufacturer of electronic kits for the hobbyist as well as for education.
Recycled Radio | Active buyers of amateur radio & shortwave equipment - Estate liquidations are our Specialty.
Seaworthy Software | 513-851-6834 | Cincinnati,
Solder-It Co | Manufactures & distributes specialty low temperature solder pastes, butane powered torches, tools and a few other amazing products.
Spectral Isopole Antennas | 949-296-0360 | Santa Ana, CA
Telex Communications | High performance professional audio and communications equipment, hardwired & wireless inter-communications products including microphones, amplifiers and loudspeakers.
Ten-Tec | 800-833-7373 | Sevierville, TN
Test Parts | 706-361-0825 | Thomson, GA
TNT (TechNote Time) Electrical Trades Gift Store | 352-522-0415 | Dunnellon,
Unified Microsystems | 262-644-9036 | Slinger, WI
US Tower Corporation | 559-564-6000 | Woodlake, CA
| 812-932-3417 | Batesville, IN
Wavenode | Campbell, CA | 408-933-8059
Wilderness Radio | 417-782-1397 | Joplin, MO
Winegard | 800-288-8094 | Burlington, IA
YAESU | HF transceivers/amplifiers, receivers, rotators, VHF/UHF handhelds, mobile transceivers, WIRES Internet Linking products.