basic types of antenna

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.

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

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

Canada - RAC - Radio Amateurs of Canada

K7OLD Norman Hamsrus - Good Source of Amateur Radio Activities in State of Arizona. Lot of source links & general information.

The Ventenna - Rugged, disguised 2m, 220MHz, 440MHz, and 2m/440 dual band antennas, HF portable antennas, portable dipoles.

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!

NHRC Repeater Controllers - NHRC Repeater Controllers is your provider of low-cost, high-value repeater controllers.

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

International Meteor Organization - IMO was created in response to an ever growing need for international cooperation of meteor amateur work. Radio Observations.

Robert's Satellite TV page - Lots of cool stuff about satellite world

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."

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

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.

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

Lanz Company - Producer and retailer of Ham Related Products

Voice of America - The US Governament's International Broadcasting Bureau

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

DXbase - Professional Logging Software for Windows 95/98/NT. A separate version is available for DOS. Full featured logging, HF radio control, Internet Packet, VHF Packet, Label Designer, Report Designer, and a lot more.

MacProp - Propagation forecasting software for the Macintosh

MacIcomControl - Radio control software for the Macintosh

Mac GrayLiner - Displays map of the world, showing day and night areas.

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