HEATKEYS

A collection of amateur radio construction projects and text files developed by K1QW

Resources for amateur scientists, aquarists, and radio and electronic designers

Amateur radio & electromagnetic wave propagation by Serge Stroobandt, ON4AA.

Free Electronic Circuits,Electronic projects, diagram,schematic, software for all Hobbyist

The guide to SMPS switching power supply for both designers and buyers. Provides circuit design tutorial, schematics, topologies overview, PCB design rules. Find power supply by spec. Includes basic power electronics and electrical engineering refere...

Colmac Coil

TeslaMap is a Tesla coil design program. Get instructions and schematics for Tesla coil design and construction. Learn how to Build a Tesla coil.

Magnetics is a leading manufacturer of magnetic cores & materials - powder cores (sendust cores & MPP cores), ferrite cores, tape wound cores and more. Toroid cores, pot cores,E cores and a variety of shapes are available.

Free Online Math Calculators and Converters. Mathematics Calculation is made easier.

DX Zone directory with 15000 Amateur Radio links, about Ham-Radio radio scanning, cb radio and shortwave listening, antenna homebrew projects and a complete radio software collection. Include a free classified ads, ham radio reviews and operators di...

M0UKD - Amateur Radio website of John. Contains information, pictures, circuits and projects.