ameritron als 600

20m delta loop  ^pop - This antenna is fed for vertical polarisation, to give a low angle of radiation for DX and also a nearly omni-directional radiation pattern

20 Meters EH antenna plans - 20 M, 1 Foot antenna plan by wb5cxc, includes also two more versions of bigger eh antennas for 20 meters, contribuited by w0kph.

Low reactance multiband center feed wires - An antenna system is more easily interfaced to a radio when the input reactance at the feedline terminals is low or close to series resonance

J-Pole theory  ^pop - The J-Pole antenna is an omnidirectional antenna that can be used for base, mobile and field day stations. It does not need a ground plane, radials or a complicated matching system. The J-Pole can be cheaply, simply and quickly constructed using a variety of techniques, some of which are discussed in this article.

Hammarlund Historian - Hammarlund resources site

Charlie's CQ Room - Ham radio site devoted to classic collectible amateur and military radios, featuring vintage ham radio color photos and commentary, free downloadable manuals and pamphlets and links for ham radio hobbyists.

LandAirCom - Repair service in NY and manuals

Omega electronics - Omega Electronics International is the source for Ameritron linear amplifiers as well as other amateur related products and repair service

ARRLWeb: ARRL/VEC - Examinations and Licensing - Information about amateur licensing: examination requirements, scheduled exam sessions, renewals, FCC and NCVEC forms, vanity call signs, volunteer examiners, fees, special-event call signs.

Coral Springs Police and Fire Dispatch - Coral Springs Police and Fire Dispatch Florida

Allied Wire and Cable - Allied Wire and Cable is a distributor and manufacturer of electronic and electrical wire and cable, tubing and cable assemblies. We also specialize in custom cable design, flexible cable, and many types of cable and wire requirements.

Albuquerque Transmitter Hunting - An active group of Amateur Radio operators who locate hidden transmitters for fun and in times of need, such as determining the source of interference to local repeater systems or individuals who use the Amateur Radio bands illegally.

WEFAX - Weather and Amateur Facsimile - arrl wefax pages with members only articles such as FAX480 and SSTV Interfaces and Software, contains also a few links to wefax related web sites

Natural radio signals - Radio signals of natural origin

ScanNewBedford.com - Welcome to scannewbedford.com. This site was built for people who would like to hear a live broadcast of New Bedford Massachusetts public services. There are also a few frequencies from other local towns such as Dartmouth, and Fairhaven being broadcasted on our live audio feed. The web site is free for everyone to use and pass along to another friend. Thank you and enjoy the Scan New Bedford Live Scanner Audio Broadcast of New Bedford`s Police, Fire, and EMS.

RadioTronics - Online UK CB Radio shop specialising in UK CB Radio and 10m Amateur radio equipment. Scanners and multiband receivers also available.

Blue's radio stuff - Site for radio, antenna, and scanner sales. There is also some useful information about mods and mic wiring.

Radio New Zealand International - Radio New Zealand International is a Shortwave Broadcaster. Our broadcasts are beamed to the island nations of the Pacific but can also be heard in other parts of the world.

Virtins Technology - Offer PC based virtual instrument for electronics enthusiasts, students and professionals, including full-fledged sound card real time Oscilloscope, Spectrum Analyzer and Signal Generator.

Audio Preamp - Easy circuit that provide good gain to weak audio signals

DigChip IC database - DigChip is a provider of integrated circuits documentation search engine, it's also distributor agent between buyers and distributors excess inventory stock.

Ferrite information - Ferrite Toroidal Cores, Magnetic Properties of Ferrite Materials, EMI - RFI Suppression Design Considerations, Ferrite Beads, Ferrites for RFI Ferrite Cores for RFI Suppression by CWS ByteMark

RFI Information Page - This page gives information about Radio Frequency Interference, the unwanted reception of radio signals. You'll find out how to determine what is at fault (the transmitter or the receiver) and what you can do in either case.

Using ferrites for interference suppression - This tutorial is meant to shed some light on the use of ferrites, and also presents some comparative frequency domain measurements both to illustrate some of the points, and to give designers an idea of what they might expect in using and specifying a ferrite component

6m High Pass TVI filter - Are you suffering from TVI? Then why not try this filter for size. It is a three-stage high-pass filter that blocks low-frequency 50MHz signals while letting through UHF TV.