240 dummy load

Coil loaded dipole for 80 meters - Coil loading of an 80m Dipole for restricted space. Here's a method that may allow you to fit that 80m dipole into your suburban backyard by VK3JEG

Base Loaded 160M Half-Sloper Antenna - K0EMT 160 meters sloper antenna

Antenna Measurement Theory - Introduction to Antenna Measurement by orbit /fr pdf file

HF Antennas 101 - Here are 10 tips and truisms that every ham should know about antennas, by W20QI

Build an antenna for 23 cm band - Building an omnidirectionnal antenna for the 23 cm band, 1240 - 1270 Mhz

High Performance 802.11 Antenna - It is cheap and simple and has a gain of about 17 dBi.

UK CB Radio.org.uk - Set up for CB radio users in the UK and also world wide to exchange knowledge and experiences, generally hang out, with relevant news, articles, downloads and gallerys.

The No-Nonsense, No Code Technician Class License Study Guide - Free downloadable study guide by Dan Romanchik KB6NU.

AA4DF's Consumer Electronics Repair - Look for free manuals (download) in amongst paid offerings for test equipment manuals. The freebies page also has mostly ham material. We do also sell major ham collections at pretty much close to our production and distribution costs.

RF-overload for Icom IC 746 756 series - The following transceivers can be susceptible to damage from a strong RF field (or RF-overload) IC-746 IC-746PRO IC-756 IC-756PRO IC-756PROII IC-756PROIII n1eq explain why

LAM Communications - Icom Kenwood Yaesu MyDel dealer, offer a wide range of ham radio products, transceivers, antennas, rotators, microphonrs, aerials, dummy loads, rf amplifiers and scanners based in UK

9A VHF Contest software - 9A VHF Contest - software for vhf/uhf and up for contest logging. For now on 3 laguages: Croatian, English and Polish.

5MhzLog - This logging application has been developed to improve the accuracy of the data being captured for the 5MHz Experiment.

HxPI Morse Jabberwocky - A translation of Jabberwocky into Morse Code. The famous nonsense poem Jabberwocky by Lewis Carroll, from Alice Through the Looking Glass, has been translated into many languages. Here it is in Morse Code, as MP3 audio files that can be downloaded. The files are at different speeds (words per minute, wpm) to suit those at different stages of learning morse code.

SigJenny - SigJenny turns your PC into a flexible and powerful audio signal generator for free. It can create multiple waveforms, sweep, fire single or repeating tone bursts. You can save your sound as a wav file, display a frequency response, use SigJenny a bit like an oscilloscope, and do a very good impression of a police car!

FreqLoader: iPhone companion for the mobile ham - FreqLoader is the perfect iPhone/iPod Touch companion for amateur radio operators, monitoring enthusiasts, shortwave listeners and anyone with an interest in the air waves. Whether you're an active licensed ham or an avid scanner listener, FreqLoader will allow you to find what you're looking for, keep track of your stations, maintain complete logs and share your finds with friends, groups and the world.

Improper Loading of Amplifier - Improper tank adjustment and excessive drive are equally harmful to component life, and either can create splatter

Power Aamps RF voltages - This test circuit is easy to duplicate, and demonstrates the extreme voltages that appear in an amplifier when the load is improper for the amount of drive power applied.

A 25 Watt Dummy Load - Dummy load described here can be used for up to 35 watts for short transmissions, and up to 25 watts for longer periods.

Building a dummy load - Building a Dummy Load and Measuring Power Accurately by Ken, K4EAA

Build A 30W 50 Ohm Dummy Load - For testing out transmitters every ham should have a dummy load, here is explained a 30 watt 50 ohm dummy load

The 50 ohm dummy load - Made from two sheets of single sided copper board, copper facing to the outside.

ON6MU dummy load - RF power meter, dummy load, project

Oil filled dummy load - This project will demonstrate how to build a dummy load, and measure power correctly by AI4JI

What's a diplexer? - It's a network that splits a signal to two or more loads, dependent on frequency. It is the simplest form of a multiplexer, which can split a signal into many different signal bands.