load coil calculator

4 Element Cubical Quad for 10 meter - An article by 2E0DBD on homebrewing a 4 element cubical quad antenna for 28 mhz with pictures, part list and assembly details

Top-Loaded Wire for 80 and 160 Meters - Operating on 160 meters from a city lot is always a challenge. Here's how K9YC does it.

Loaded dipole for 1,8 Mhz - Total Length: 26 m (85 ft.); Total Weight: 380 g;

Rotatable 40M Dipole - The Linear-Loaded "Crappie" 40M Rotatable Dipole A Short 40 Antenna You Can Build for $50 or Less by VA7ST VE7ASK

40 m linear loaded dipole antenna - The K4VX linear-loaded dipole for 7 MHz, simple and practical way to make a short but efficient 40-meter dipole.

5/8 Wave Vertical Antenna Calculator  ^{updated  pop} - Design your own 5/8 wave vertical antenna. A simple jscript calculator at Antenna Elmer.

CantennaCalc - Kioan's calculator for building a Cantenna , directional waveguide antenna for long-range Wi-Fi

SARL - Ham Licence Study Guide - South African Radio League, Radio Amateur Examination Study Guide

Microset - Power supplies, rf power amplifiers, dummy loads, frequency counters, repeaters antennas manufacturer based in Italy

UIVIEW Maps - Download uiview maps by G3OJZ mostly for APRS UK region

Experiments with a Top-loaded Vertical Aerial - Alan Melia G3NYK and Finbar O’Connor EI0CF

Yaesu FT-2000 Service Manual - Download the Yaesu FT-2000 service manual from filestube

DB37 FT-2000 Cable - Yaesu FT-2000 FT-2000D Cable connections

PorkControl for Yaesu FT-817ND - PorkControl is a Java-based software controller for the Yaesu FT-817ND (and older FT-817) HAM transceiver. It is currently in beta and released under the GNU GPL v2 on Windows, Linux and MAC OSX. PorkControl is used to control frequency and other features without using the fiddly controls on the unit itself. It also supports automatic radio control to access repeaters based on the UK Repeater List.

link7 - link7 is a Windows 9X program to download/upload data from/to the Kenwood TH-D7.

Universal Score Uploader - A free Windows application which allows you to post ham radio contest scores to getscores.org portal

WSPR - WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Stations with internet access can automatically upload their reception reports to a central db

144 MHz Power amplifier with 2XGS35 B - A VHF power amplifier with a triode 2XGS35 B by FF66JMT, in french

50 Ohm Oil Filled Dummy Load - N4SPP home built 400 W ham radio dummy load project

Homebrew 1KW Wet Dummy Load - Build a wet dummy load using a 1 gallon paint can, at eham forum

Saltwater Dummy Load - Build a Saltwater Dummy Load

Dummy Loads - About dummy loads, what are they and how to build one

Dual Output 200 MHz RF Generator/Detector - Dual Output DDS Based RF Generator/Detector with links for the associated QEX NimbleSig III article download by Tom, VA7TA

CW PIC keyer - CW keyer with microprocessor PIC16F628A

Icom microphone reference list - List of Icom microphones with connector type description and transceiver compatibility