data line analysers

Grounding is key to good reception  ^pop - Guidelines to groundings.

What tuners do - How atenna tuners works and what are real effects on feed lines and maximun power output by G3TXQ

Radio Era Archives - REA offers a wide variety of items for antique radio. We have schematics, old books, reference data, historical information in paper copy form or on CD-ROM.

Contest scores by dxwatch.com Priority listing - A searchable database containing user submitted scores for most contests. Information gathered from 3830 mailing list

CT Contest Logging Program Utilities - My MMPRINT utility is a post contest tool that lets you extract statistical data from a CT log file

Canadian Amateur Radio Callsign Database - Search engine is provided by Radio Amateurs of Canada.

K4UTE QSL info lookup - Quick QSL Manager Lookup. Database address has been discontinued since october 2006

Darley Amateur Radio Club Online Exam - ARRL Online practice exam require Java capable browser

Belden Wire & Cable Company - Cables for any electrical application, with data sheets, comparisons, and on-line catalog.

Kantronics - Kantronics produce Modems, Tnc, Kam, Marine, wireless modems. Packet radio communication devices, HF E-mail, paging, GPS tracking, weather data gathering, or wireless data transmission.

Harger Lightning Protection, Inc. - Harger Lightning Protection is a full line supplier of lightning protection and grounding equipment, servicing the lightning protection, communications and electrical industries.

Distance and Bearing Finder - This service uses data from the US Census and a supplementary list of cities around the world to find the latitude and longitude of two places, and then calculates the distance between them. It also provides a map showing the two places, using the Xerox PARC Map Server.

NAVSTAR GPS Timing Operations - NAVSTAR GPS Timing Operations, USNO GPS Data & Information Files Global Positioning System Overview Current GPS Constellation, GPS Time Transfer Operations, GPS & Glonass Satellite Visibility

Celes Trak - NORAD Two-Line Element Sets, FAQ, and related informations.

Sunrise, Sunset, Moonrise, Moonset, and Twilight Report - U.S. Naval Observatory, Sunrise, Sunset, Moonrise, Moonset, and Twilight ,Moon Illumination, Positions of the Sun and Moon , Eclipses

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

Ham Radio - Ham Radio OnLine Magazine

Worldradio Online - WorldRadio Online is a free online monthly magazine published by CQ Communications,

HAManuals  ^pop - Ham manuals on PDF Format. Take a tour of manuals on-line.

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

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.

Antique Electronic Supply - Antique Electronic Supply has a complete line of vacuum tubes. We feature Svetlana vacuum tubes for amateur radio, broadcaasting and audio applications. We have over 700,000 new old stock tubes to choose from. We also have a complete line of transformers, featuring Hammond and One Electron. Capacitors, resistors, parts, books, etc. Most orders shipped within 24 hours. Major credit cards accpeted. E-mail for free catalog!

MEI Software - The file MEI-10.ZIP contains educational software to evaluate antenna arrays of up to 8 elements. Two types of arrays may be studied: 2D planar arrays (Yagi-Uda, Circular, etc., up to 6 elements) and colinear arrays (up to 8 elements.)

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

HRDLabel - HRDLabel is a software for printing labels, QSL and envelope using the Ham Radio Deluxe logbook database.