diagram of microwave emi

The Multi-Band Fan Dipole - How to build a multi-band dipole antenna with a single coax feed. Instructions for a 160M antenna that will fit in the space that a 75M dipole will with almost as good of results as a full size 160M dipole!

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

Center-Loaded Off-Center-Fed Dipole - 6 band - Multiband Center-Loaded Off-Center-Fed Dipole (CL-OCFD) antenna that work on 80m 40m 30m 20m 15m 10m by ON4AA

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

Romeo Golf - a group of 11meter dxer's that want to share our page with other dxer's

IRC's Home site - Information of IRC DX group DX informations propagation and may other informations about dx and internet.

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

Oscar Sierra Bravo Priority listing - The OSCAR SIERRA BRAVO is an International DX Group. We believe in promoting friendship through radio amongst all people in the world. The membership is open to ALL radio operators regardless of their nationality, age, race, religion, politacal beliefs, and their memberships with other clubs.

425 DX NEWS - Lots of cool stuff and DX info from this italian award winning web site.

Essex Repeater Group - These pages provide the Latest News and information on ERG, the voice repeaters GB3DA (2m), GB3ER (70cm), GB7ZP (70cm D-Star), GB3DB (6m), and the 10GHz microwave beacon GB3CMS.

Internet six meter news - Lots of links and news for the six meter band, 50 Mhz.

Icom America - Manufacturer of amateur, avionic, land mobile, marine and communications scanner & receiver 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.

Icom UK - Professional Two Way Radio communication by ICOM.

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.

Getting Started with Sound Card Digital Modes - Setting your Amateur radio station up to operate the wide range of modern radio software which uses the PC sound card to generate and receive signals. Murray Greenman ZL1BPU

T.A.P.R. - TAPR, an international organization dedicated to amateur digital communications, is pleased to present this collection of information about TAPR, via the World Wide Web.

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.

Sunrise, Sunset, Moonrise, Moonset, and Twilight Report - U.S. Naval Observatory, Sunrise, Sunset, Moonrise, Moonset, and Twilight ,Moon Illumination, Positions of the Sun and Moon , Eclipses

Passport to world band radio - "Passport to world band radio is the world's #1 selling shortwave publication. It zeros in on news, sports and entertainment from Afghanistan to Zambia, and includes award-winning ratings of world band radios and ""how-to"" articles by experts."

Ten Tec eHam Reviews - eHam users review of the Ten-Tec Orion transceiver

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

Bandercom - Radio sales to over 60 countries, source for all communication equipment, individual hobbyists, professionals and dealers.

FBB Packet-radio BBS - FBB is a freeware bulletin board software for amateur packet-radio run on DOS Windows and Linux