spectrum lab

Hex Beam for 6 meters - This is a hex beam designed for six meters. It has three elements with a turning radius of 54 inches. This antenna can be built from low cost materials available from the local hardware store. By WB3BEL

The Eggbeater Antenna - Calculating and building an Eggbeater antenna. InstantTune and push-button Rx. Documentation available in french and english

Patch antenna for APT - The patch, or microstrip, antenna has become a common workhorse for the microwave spectrum from about 1 GHz to tens of GHz. This type of antenna consists of two conducting layers separated by a dielectric to form an extended capacitor by WlHDX

Selecting a WiFi antenna - What is the best WiFi antenna for me? Looking for a range extender antenna for your WiFi system. This article will help in choosing the correct antenna for your system

Cantenna Aus-Style - This is a brief guide to a cantenna , locating the materials not available easily in australia

Wire Antenna - This page describes a cheap, weather-resistant and readily available type of antenna wire by HAMwaves.com

IZ7AUH-6 DX Web Cluster - DX Cluster web interface, is available also a telnet interface on port 8000

DXCC Country lists - An updated DXCC country list, including a 10 band checklists in various file format made available by dx newsdesk

Croatian Lighthouse Award - In collaboration with Croatian Amateur Radio Association

Calgary Ladies Amateur Radio Network. - The Calgary Ladies Amateur Radio Network, known as CLAN, is an independant organization whose goal is to foster knowledge and growth within the Amateur Radio Community.

VE3FW Lakehead Amateur Radio Club - The Lakehead Amateur Radio Club members have all levels of interest and knowledge in the wide spectrum of amateur radio.

Borden Amateur Radio Klub

I.P.A. Radio Club - The I.P.A. Radio Club is available to all I.P.A. members, throughout the world, who either hold an Amateur Radio Licence or who are Short Wave Listeners.

South Baldwin Amateur Radio Club - Serve the southern part of Baldwin County, Alabama from I-10 to the Gulf Coast and the Eastern shore of Mobile Bay to Florida.

Learn CW Online - At LCWO you can learn Morse telegraphy (CW) online in your browser. You don't need to install a program on your computer, and you always have your personal settings available, from any computer on the globe with an internet connection. You can also easily track your progress by means of different statistical functions.

W3AD Cabin Camera - Live controllable web cam

Universal VFO Controller - A controller that works with the new Silicon Laboratories Si570 programmable XO chip, as well as the Analog Device DDS chips used in the popular AMQRP cards by WA6UFQ

Aeroflex - Aeroflex products support the Test and Measurement Instrumentation field; including aerospace, defense, wireless mobile and broadband communications. Aeroflex solutions encompass a full spectrum of instrumentation for solving test and measurement requirements.

Slow CW Sensitivity - DK8KW laboratory tests to get some indication about the ability to communicate with signals below noise level using Slow-CW.

The Repeater Builder's Technical Information - If you want to build a repeater, this is the right place to start. Includes construction projects and reviews of repeater hardware available in the market.

Contact-Multi - Contact-Multi is a Freeware Multi Digital program for Windows (PSK, RTTY,FSK and MFSK). It provides a DXCluster, Diplomes,LogBook,Qsl's Print, statistics Shareware version available. English and Spanish version

Freakin’ Beacon Setup Program - A small program to simplify changing messages in the Expanded Spectrum Systems Freakin' Beacon controller. The program makes it easy to modify an existing message or to have multiple messages available in different files ready to program into the beacon controller.

100 W Resistive Load - This was a project to make a dummy load or, as the finished thing is more correctly labelled, a fifty ohm resistive load.

The simple man's Spectrum Analyser - An easy to build spectrum analyzer

The Oscilloscope - What is an oscilloscope, what can you do with it, and how does it work? This section answers these fundamental questions.