load coil

PY1UNU dipole for 80 meters - A dipole with coils for 80 meters band in portuguese.

10-80 meters Mobile HF antenna - This is a combination center and top loaded multiband antenna by Mark D. Lowell, N1LO PDF File

Off Center Loaded dipole by LU1DMA - An OCF dipole project in spanish

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

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.

The No-Nonsense, General Class License Study Guide - General Class study guide by Dan Romanchik KB6NU

BG Micro - All kind of electronic components, Hobby Electronics and Parts, motors, Sun power solar panels, switches, rechargeable batteries, RF Coils, Coils and Chokes

Filtronetics Inc - Maker of filters, oscillators, cristals Coils, Toroidal Inductions, Solenoids, Bifilar wound Solenoids, Trifilar Solenoids and Transformers Located in Kansas City, Missouri

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.

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.

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.

Coil Inductance Calculator - Calculate the inductance of a single-layer, air-core coil.

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.

Basic QRP transmitter - A QRP transceiver project, design and build solid state QRP transmitter.