go kits

Cubic Quad  ^pop - The cubic quad is a very popular way to get reasonably high gain and excellent front to back ratios as well as low angles of radiation for without going to extreme heights. Includes design for 2 6 10 12 15 meter bands

The Benchmark Beverage - The purpose of this page is to examine the performance of a typical Beverage when all variables except length are held constant

G0GJV VHFLog - VHF contest logging program, run in DOS mode

Radio club lugo

RCT - radioclub teleco Vigo

EA2AK - Radioaficionados en Huesca,Amigos de la Radio del Altoaragon, REMER,Red de Radio Emergencia en Huesca,EA2RKO,Estación Colectiva del Radio-Club.

GI3XRQ Bangor and District Amateur Radio Society - Originally formed over 30 years ago in the seaside town of Bangor, County Down, Northern Ireland

The reflected W beam - Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.

Warren Gregoire - Manufacturer of amateur radio headsets and push to talks. Manufacturer of PC headests for personal computers.

Frequency Counter for VHF/UHF - DFD4A for bench top test equipment, has a built-in prescaler good to more than 3 GHz.

Frequency Calibration for Weak Signal Work - Accurate calibration of your receiver and sound card is necessary for good results with the weak signal modes in use at LF. Modern receivers with master oscillators that are synthesized to provide all conversion frequencies greatly simplify the process. This article describes a method of making the necessary measurements and adjustments to an ICOM R75 receiver and a sound card, using the ARGO software

Let's Go T-Hunting - An introduction to RDF contesting in southern California, updated from a paper originally submitted for Proceedings of the 1992 West Coast VHF/UHF Conference.

Italian repeaters map - An interactive repeater map that uses google maps to display location of repaeter types available in Italy by Andrea IW0HOG

Show ISS with Google Maps - Shows you where the ISS is currently located

Handbook on grounding - U.S. Government's military handbook on grounding in pdf format

Hamradioindia Shopping - on-line shopping of rf components, ICOM replacement boards, marine modules, kits and more

Colboth - Antique and ham radio repair - Repair and restoration of not just antique tubed radios, but also new solid-state Amateur Radio products also!! Also, electronic kit building and troubleshooting, antenna grounding kits and products.

WinGrid & DOSgrid - Gridconv.zip contains Wingrid.exe and Dosgrid.exe, DOS and (16 bit) Windows versions of a simple program that converts between NGR, Maidenhead Locator, QRA, and Latitude/Longitude. They are copyright, but freely distributable for no charge.

LocCalc - Distance and directions calculation program using both Spheric, the perfect round earth model, and Vincenty's inverse ellipsoid algorithm, the WGS 84 earth model.

B-Log - B-Log is a very simple, free-form logging program that offers useful features for the shortwave or scanner hobbyist, including SWBC listeners, AM-BC listeners, utility listeners, and amateur radio operators. The program is both simple to learn and use, and very powerful.

PetitTrack - PetitTrack is a satellite tracker for the Sharp Zaurus SL-5x00 Linux PDAs. PetitTrack is based on the keplerian propagator algorithm used in kd2bd's Predict software.

GorbTrack - GorbTrack or Geostationary Orbit Tracker is a freeware program intended to be an aid in finding geostationary satellites. It produces output helpful in aiming dishes for receiving television broadcast satellites. The program also displays several astronomical values like the positions of the sun and moon

Assessing unknown Ferrite Toroids - Ok so you have had a good day at the Rally and you have come back with a carrier bag full of ferrite toroids that "just might be useful for something". How do you find out what they are? Very few seem to be stamped with any indication of their properties, and some are 'painted' garish colours which presumably means something.

Grounding Concepts - What is ground?RF ground and the ground plane, how can I tell if I have a good ground? ground loops

A 80/40m DDS controlled QRP CW transmitter - JUMA-TX1 is a 5W CW transmitter for the 80/40m bands. Juha (OH2NLT) and Matti (OH7SV) have had high quality CW keying and a compact size as design goals for this project. No coils need to be wound to construct this transmitter!