240 dummy load

2 meter HT Handipole - Add some gain over your rubber dummy load with this full size dipole on your HT.

Slink-ette antenna - A Slinky-based doublet or loaded vertical QRP antenna tested for 40 meters band by N2CX and N2EI

The Cobra antenna - This article explores the Cobra Junior linear loaded antenna for 80m to 10m bands. This antenna is a linear loaded dipole described by W4JOH in 73 magazine June 1997

Gamma Match Article - A working analysis of the gamma-match problem that gives usefull practical results. New light on the question of when it will and when it won't give a perfect match to the coaxial transmission line.

Multiband HF Vertical - A telescopic pole that you adjust to suit the band you're working on , tested on 40 20 and 15 meters band by M0PZT

GB3CAM Cambridge microwave beacons - Two beacons in 3 and 1.2 cm band, 10368.755 MHz and 24048.870 MHz

Telepost - Digital Vector Wattmeters, Dummy loads, software defined panadapter systems, SteppIR Tuning Relay, Digital SWR meters, LP-Pan Pan Adapter IQ Decoder for SDR based panadapter system

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

Gap Titan DX Manual - Gap Titan DX Antenna manual compressed in Zip archive

ICOM IC-7000 Downloads - Here you will find any useful downloads for IC-7000. Manuals, video clips, reviews, brochures

Ten-Tec: Jupiter Firmware Downloads - Donwloadables binaries for the ten-tec jupiter radio

Orion Logic/DSP modifcation - Orion Logic/DSP modifcation to support Version 2.x firmware

DB37 FT-450 Cable - Schematic for Data, power, CAT, Key and Mic connection interface cable

DB15 FT-450 Cable - Schematic for Data CAT Power and Key cable interface for the Yaesu FT-450

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.

CQ/X - Information and download page for the CQ/X GPS-enabled logging program for mobile operation in amateur radio state and regional QSO parties by N05W

Cluster Client - A windows freeweare dx cluster client, allows you to monitor DX spots from users worldwide by M0PZT

Windipoles - Windipoles is a free passive filter simulator. It is a Windows .NET executable, so no software installation is required. It enables design, analysis, optimizations and plots, all graphically.

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

Ham Radio Deluxe Satellite Tracking - Nova DDE Support, Scheduled Kepler data downloads, Integrated web browser, Audio announcements, Google Earth integration, dual radio support

Saltwater Dummy Load - Build a Saltwater Dummy Load

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

Salt water dummy load - Use plain water with a little salt added to build your own Dummy Load

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

Notes on Bird Electronics Equipment - Information on equipment manufactured by the Bird Electronic Corporation, wattmeters, RF loads, switches by I0JX