ice protection

The quarter wave transformer - A transient analysis of an inpedance transforming device, by W9DMK, in pdf format

Antiguedades Especiales - Vintage and antique radio and film devices

Antique shop - Puerto Rico's house of radio services and sales - San Juan, Puerto Rico First site dedicated to repair sales and restoration of antique radios and phonographs

Derby City Radioactives - The Derby City Radioactives is an organization of hobbyists and enthusiasts involved in multipule aspects of radio communications including CB and Ham (Amateur)radio,FRS/GMRS,Scanning,Shortwave Listening and the new Multi-Use Radio Service(MURS)

CRX Cluster - CRX is the first CB Radio dx cluster to use map engine and webservice.

GMRS Consumer Information - The General Mobile Radio Service (GMRS) Is a two way radio service used by families and individuals for personal use. This site provides basic information on this service.

The Personal Radio Association - The Personal Radio Association represents persons and licensees in GMRS/FRS/MURS/CB/Part 15 before the FCC, FTC, industry, and the public. Join us to protect and preserve the Personal Radio Services.

Chelan-Douglas RACES Group - The Chelan-Douglas Radio Amateur Civil Emergency Services (RACES) Group provides emergency communications services in times of need to requesting agencies throughout North Central Washington State. Chelan-Douglas RACES is hosted jointly by both Chelan and Douglas County Emergency Management. The group is composed of registered Washington State Emergency Workers who hold an Amateur Class Radio License. All members are volunteers who have other primary jobs, and donate their spare time upon request to support emergency operations.

Darley Amateur Radio Club - An Anglo-Amercian Radio Club - G0FOS - GB4JUL - We are an Anglo-American Radio Club, based near Harrogate, North Yorkshire, England, serving the needs of local hams and providing fcc license examinations.

Newark Amateur Radio Association - The mission of this Association is to foster and promote the hobby of Amateur Radio, to provide repeater systems for the Amateur Radio community, to provide public service and emergency communications when needed, to provide education for licensing, and to provide a forum for members to meet and exchange information, share experiences, and socialize with one another.

The Society for the Preservation of Amateur Radio - The Society for the Preservation of Amateur Radio is a non-partisan group of concerned amateur radio operators working together to ensure the vitality of the Amateur Radio Service by promoting technical abilities among Amateur Radio Operators. Includs a beginners guide booklet.

UR4IOR Sergei - Personal Page UR4IOR from Ukraine, with some nice personal photos.

Paducah Police Scanner - Paducah, Kentucky scanner stream website. Police and Fire online 24/7 for your listening pleasure

Live online streaming for arizona - Listen to original audio content from Flagstaff, Coconino County and Northern Arizona. Streaming Police scanner by azradiowaves.net

RACOM - Radio modems - RACOM is a Czech company specialized in design and production of radio modems and other devices for wireless data networks for radio channels from 140 to 900 MHz. RACOM radio data networks are suitable for data transfer in telemetry & SCADA applications, transaction networks, security systems, IP networks and firts of all mobile tracking and fleet management.

Telewave - Telewave's innovative engineering produces the industry's toughest antenna systems. Yagi, Fiberglass Collinear, and Dipole models are available from 66-2500 MHz. Wattmeters, test equipment,rf power meters, duplexers, filters and cavities, transmitters combiners

ARISS School contacts FAQ - ARISS school contacts frequently asked questions on how to and service description

The Radio Reference - RadioReference.com, scanner frequency and radio communications reference source, with complete conventional frequency assignments, trunked radio system information, frequencies, and talkgroups, FCC License assignments and maps, 10-Code Lists, agency maps, files, downloads, links, and detailed agency information for most public safety, military, and local government activities.

RADIO33 Radio Shop - Amateur radio shop in Canejan France, offers repair services too.

Radios UK - Two way radios, CB,airband radios & GPS at discount prices - all your communication and radio needs from Radios-UK.

Just Learn Morse Code Priority listing - An excellent tool that makes it easy to learn and practice Morse code.

DRM Software Radio Project - The DRM Software Radio is based on the proven Fraunhofer DRM engine, which is considered to be the most advanced DRM engine today, built around fully licensed proprietary DRM encoding technology.

Antenna elevator system for amateur satellites  ^pop - Smart homebrew antenna-ELEVATOR system with linear actuator. The actuator is a cheap and heavy tool with high enough torque, ideal for elevation systems, but in practice it needs quite an effort in order to operate correctly in your homebrew antenna system. This page inform you of the actuator's secrets.

RF Coaxial Connectors - RF coax(ial) connectors are a vital link in the radio spectrum. Coax connectors are often used to interface two units such as the antenna to a transmission line, a receiver or a transmitter. The proper choice of a coax connector will facilitate this interface.

About Lightning Protection - What You Should Know About Lightning Protection by Joseph H. Reisert