electronic spare part

Amateur Vertical Antenna Calculator  ^{updated  pop} - This calculator is designed to give the vertical length (height) of a particular antenna, for the frequency and wavelength chosen.

Electronics and Amateur Radio Society - University of Surrey Electronics and Amateur Radio Society (EARS) UK

Workman Electronics - Amateur radio accessories, power supplies, tvi filters, speakers, microphones, swr meters, preamplifiers, switches, cable and connectors,

Centaur Electronics, Inc. - Baluns for amateur and commercial radio.

Davis RF - provide 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

Max-Gain Systems, Inc. - Fiberglass for the antenna builder, Antenna Mart quads, Bandmaster quads, transmitting components, vacuum capacitors and relays, tower accessories, gin poles, remote RF coax switches, rotating side mounts, quad spreaders, quad parts, bristol wrenches, doorknob capacitors, transmitting electron tubes, and much more!

Cable Experts - CABLE X-PERTS, INC. specializes in electronic wire & cable, and we are committed to providing quality products and excellent service at competitive prices.

Hoka Electronics - The WWW home page for information about our specialist range of HF and VHF radio digital signals' analysis and decoding equipment.

Drake - Drake has been a manufacturer of electronic communications equipment for over 50 years. Our reputation for producing quality American made equipment has been well earned and is respected internationally. Today Drake produces equipment for various markets around the world.

International Components - International Components Corporation has an extensive range of electronic components consisting of audible signal devices, speakers, microphones, capacitors, electron tubes, connectors, and accessories designed in recognition of the diversity of applications and special characteristics encountered by designers in today's complex world.

LDG Electronics - Automatic Antenna Tuners. Kits and assembled. Other station accessories

SPRE Home Page - The Spartan Packet Radio Experiment (SPRE) is an Amateur Radio (Ham radio) communications experiment. The primary mission was to test satellite tracking using amateur packet radio and Global Positioning System (GPS). SPRE was developed and built by the University of Maryland Amateur Radio Association (UMARA) with assistance from NASA, volunteer engineers, and volunteer software professionals.

Carl's Electronics - Over 200 Electronic Plans and Kits

SWAN electronics - SWAN radios manuals

Radiodan - W7RF - BIRD RF power measuring, new and used, HENRY RF power amplifiers (used HF amps), TOHTSU coaxial relays, SAMLEX power supplies, RFI chokes reduce interference, Parts parts, tubes, Used amplifiers, radios, antennas and accessories, Los Angeles, CA.

Radio Components - The widest range of stocked components for the electronics, electrical and mechanical engineer.

Mouser Electronics - We are a distributor of electronic components. We provide the maximum service to the electronic buyers regardless of the size of the customer or the size of the order.

R&L Electronics - Amateur Radio, Citizen's Band Radio, Commercial Radio, General Electronic items, Marine Radio, and Short Wave Radios, Hamilton Ohio

SHF MICROWAVE PARTS Co. - Microwave parts for ham radio and experimenters.

Surplus Sales of Nebraska - 3000 page mega website for Radio Amateurs, builders, radio broadcasters, manufacturers and individuals around the world. We cover any RF part you can think of from vacuum capacitors to rf connectors to transmitting doorknob caps to roller inductors.

Antique Electronic Supply - Antique Electronic Supply has a complete line of vacuum tubes. We feature Svetlana vacuum tubes for amateur radio, broadcaasting and audio applications. We have over 700,000 new old stock tubes to choose from. We also have a complete line of transformers, featuring Hammond and One Electron. Capacitors, resistors, parts, books, etc. Most orders shipped within 24 hours. Major credit cards accpeted. E-mail for free catalog!

Trans World Radio - Trans World Radio has been a part of Guam since 1975 when our MW (AM) station (KTWG) first took to the airwaves. Our Shortwave station (KTWR) has been on the air continuously since 1977.

Fil's Repair page - Series of comprehensive repair guides for consumer electronics equipment and other household devices

Tomi Engdahl's electronics info page - Large list of technical notes on various electronic components, and related links.

40MHz Frequency Counter Module - Design for a very low cost 6-digit frequency counter module using of the shelf components