antenna change over fro

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

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

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

Zero 1 and Sweet Thang's C.B. Site - Hi, we are C.B.'ers from the MiniGrass (Hawaii). We have links to just about anything (c.b. related) on our site, plus some cool pics too.

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

Cambridge and District Amateur Radio Club - G2XV G8EVY 1919 - 2010 Promoting Amateur Radio in Cambridge for over 90 years

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!

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.

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

The home of NuMorse and NuTest - Learn the Morse Code. Learn from random text or simulated QSO (contact) sources. Create character sequences that you find difficult. Compare your results with what the program sent and view error statistics. Take simulated tests. Sound card not essential. Evaluation version not time limited.

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

AntenneX - All about Ham Antennas

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."

ComDaC Radio - Full line Amateur Radio dealer - Alinco, Icom, Kenwood, Yaesu radios, various antenna and accessory manufacturers.

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.

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

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

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

Swisslog - SWISSLOG is a Freeware powerfull Logprogram for the sophisticated Ham. Due to its flexibility it covers all requirements. Run under Windows and DOS and support external devices, dx cluster, reporting and many features.

Scan*Star - Radio monitoring and analysis tools. Scanning, searching, spectrum analysis and traffic analysis. Amateur, Industry & Government,