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Active Antenna HF VHF UHF  ^new - An active antenna AA-7 HF/VHF/UHF, 3-3000MHz by Fred Blechman

Crossed-Wire HF Antenna - This Crossed-Wire Electrically-Steerable HF Antenna, capable of transmitting signals over the entire 1.8 to 30MHz HF range, and capable of receiving signals at much lower frequencies is basically a crossed centre-fed wire system, consisting of four thin wires brought to a central mast by G3YNH

Alfa Charly - Alfa Charly International 11 meters DX group official homepage.

Citizens Band Mid~West - A very attractive and informative site designed to promote the professional operation and knowledge of Citizens Band Radio

Alfa Tango HQ - Official AT Web Site, based in Italy

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

Spain - URE - Union de Radioaficionados Espanoles

Warren Gregoire & Associates - Boom Microphone Headsets for use on amateur transceivers- assembled and kit form.

HENRY Amplifiers  ^pop - Henry Radio amplifiers for HF & VHF UHF Amateur and-or Commercial-Industrial use

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!

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.

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.

Scanning Reference - Informations about Scannings, with frequencies, information about scanning, hardware and software reviews

NovaLynx Corporation - "Instruments & Systems for Weather & Water Monitoring; weather stations, wind alarms, sensors for wind speed, wind direction, precipitation, temperature, relative humidity, barometric pressure, solar radiation, evaporation, rain & snow gauges, lightning detection."

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

Atlantic Ham Radio Ltd.  ^pop - Canada's premier amateur radio, shortwave radio, scanner, CB, marine and aircraft radio store. A complete line of acessories is also available along with full service and repair facilities.

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.

ESRC Vacuum Tubes - Sales and Purchases - With over 400,00 vacuum tubes in stock, ESRC is a major supplier of tubes for commercial and hobbyist purposes

Spy Centre - All about Spy Numbers Stations, which send coded messages to agents. Includes schedules and frequencies of stations.

M*Log - Features contest mode and powerful configuration & reporting options. Commercial

MacProp - Propagation forecasting software for the Macintosh

MacIcomControl - Radio control software for the Macintosh

Promethius - Logbook software for the Macintosh by Chris Smolinski

MultiMode - Digital modes decoding software for the macintosh. Decodes CW, RTTY, WEFAX, SATFAX, ACARS, DTMF, SSTV