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A comparison of commercial 4m verticals - Ian Hogan G6TGO has recently tried out two different commercially-built vertical aerials for 4m, and has prepared this article to share his findings with us.

Small Transmitting Loop Antenna Calculator Priority listing - A free online calculator for making all of the calculations required to design and build small transmitting loop antennas, also known as magnetic loops by 66pacific.com

The versatile end-fed wire - Benefits and limitations of an end feed antennas. By Peter Parker VK3YE - first appeared in Amateur Radio, June 1998

Folding J-Pole Antenna - Also known as the Backpacker's Delight Antenna. This Folding J Pole Antenna is the original design of Mike Heiler KAŘZLG and was featured on the Front Cover of the March 2005 QST Magazine.

VLF-LF and the Loop Aerial - The article discusses the theory of loop aerials for receiving and how they reduce the level of local noise by Lloyd Butler VK5BR

Some plain facts about multiband vertical antennas - There is considerable confusion as to what exactly a multiband vertical antenna is. The confusion concerns the method of feed, how much mismatch one can expect, how many radials are required, how the particular antenna is built for multiband use, plus some other points.

All Time CQ WW Records - On these pages are presented the records for the CQ WW contest for every country that has ever entered a CQ WW.

DRCG: DL-DX RTTY Contest - The contest ist sponsored by the DRCG

Ham Lookup by ZipCode - This Database Lookup will return the amateur radio call sign holders which currently hold an active license and will be limited to the zip code specified You must enter at least three digits of the desired zip code.

Berkeley County South Carolina ARES/RACES Priority listing - A member run organization of Berkeley County, SC, based Amateur Radio operators (Hams) who are trained and dedicated to providing radio communications for civil-preparedness and relief agencies during periods of local, regional, or national civil emergencies.

VE7NOR North Okanagan Radio Amateur Club - NORAC is centered in Vernon in the Okanagan Valley of British Columbia’s South Central Interior.

Fredericton Amateur Radio Club Inc. - Fredericton, NB Canada

Fred Hammond Chapter 73 QCWA - Chapter 73 fred hammond chapter of the quarter century wireless association

Oakville Amateur Radio Club - A local resource offering Club repeaters, weekly meetings, breakfasts and technical assistance.

VE3JW Station - Amateur Radio Station VE3JW, sponsored by the OVMRC, and located at the CANADA SCIENCE AND TECHNOLOGY MUSEUM, St Laurent Blvd, Ottawa

ARES El Dorado County Amateur Radio - ARRL - Ares - an amateur radio emergency service organization consisting of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service when disaster strikes

RTKCC Redmond Top Key Contest Club - Membership is made up from active radio amateurs living in and around Redmond, Washington. We are a relatively small informal club, with members who have wide ranging interests in our common hobby.

CQ HISPANOS Chat - Spanish ham radio chat

Dannex - Swedish manufacturer of broadband antennas designed for multi frequency, medium and long range communication. No tuner required.

Choking on RF - The intrepid newcomer encounters common mode problems in a mobile environment. Implementing some common mode chokes will be possible to reduce interferences

K6DBG - CW really is a language - Some things I've discovered about learning and operating CW by Chris Kantarjiev K6DBG

2 Element beam designer - This is a DOS program that will design a 2 element beam for a given frequency. The gain is about 6db's the front to back ratio is about 10 db's. The SWR will be about 1.8 to 1, so for transistor rigs a tuner is needed The only information required is the freq in MHZ..

SvxLink - Echo Link client for Linux and general purpose voice services system for ham radio use. The svxlink server consists of a core that handles the connection to the tranceiver. The core can be configured to act as a repeater controller or to operate on a simplex channel

Gpredict - Gpredict is a real-time satellite tracking and orbit prediction application. It can track an unlimited number of satellites and display their position and other data in lists, tables, maps, and polar plots.

TWClock - Linux softwrae that besides displaying local time and GMT, it can display the current time in hundreds of major cities around the world by WA0EIR