preamp for 500 mh

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

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

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

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.

The Amateur Radio Elmers Resource - A complete resource for ham radio novices and OM

North Bergen police live scanner - Listen to the North Bergen Police radio broadcast live, NJ

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

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

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

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.

Australian Space Forecast Centre - Current HF Radio Propagation and Space Weather Report

Solar Region Data - SunSpots - Solar Region Data Current Regions with Sunspots Summary, an useful tool for predictions

Success Easy CW Tapes - Sells training tapes for Morse code that use hypnosis to speed learning.

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

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.

Javiation - UK reseller for HF VHF UHF

MacProp - Propagation forecasting software for the Macintosh

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