diamond wd 330s

Balun construction - problems with iron cores - Lots of information and measurements relating to HF baluns and transformers constructed using Iron Powder cores

A great shortwave loop antenna - Apartment dwellers and antenna experimenters might like to try this simple loop antenna by OH2FFY

WD2XGJ Experimental Station - Experimental Longwave Transmissions from Tower Hill wayland Massachusetts Operator Name Warren, Ham Call K2ORS, Frequency: 137.7796 KHz

WD2XSH The 500 KC Amateur Radio Experimental Group - The ARRL 600 meter experimental group

YBØEMJ : ORARI Awards Program - Indonesian Awards

W4FWD West Georgia ARC - West Georgia Amateur Radio Society, Inc

Chelsea Amateur Radio Club - C.A.R.C. WD8IEL Website

Onslow Amateur Radio Club - WD4FVO - The Friendly Voice Of Onslow - The onslow amateur radio club provides this web site as a public service to all radio amateurs within jacksonville, onslow county, and the surrounding areas in north carolina.

WD5WR Will - WD5WR Amateur Radio Station

TenMeter.com - TenMeter.com Amateur Radio 10 meter site

Ham Radio Cartoons - Some funny amateur radio cartoons

WD8LQB Morse Code Learning Podcast - 5 word per minute morse code training for amateur radio operators. Listen to these 10 podcasts and learn morse code

MicroMetal - Manufacture high quality low cost powder cores with a wide selection of shapes

Screwdriver Antennas - Quality full legal limit screwdriver antenna with the mount and digital controller at an affordable price by NA0LB

D&K Products - Maker of modified version of the famous DK3 mobile screwdriver antenna by KE0KH

W1TAG WD2XES WE2XGR/3 - Experimental Stations Run by W1TAG WD2XES has been used to study LF antenna design, propagation and communication modes. Signals from WD2XES have been copied as far away as Russia.

W4DEX Experimental Stations - WD2XSH Experimental Station (505 - 510 KHz) WD2XKO Transmitting Station Stanfield,NC operating between 135.7 to 137.8 KHz.

AA1K Mobile operations - 51 countries worked on 160 meters, and 275 countries on all bands from the car using a KJ7U screwdriver for 160-6 meters

I6HWD Morse Key Collection - A collection of morse code keys including verticals, semi atumatic, automatic and other accessories

Memphis Amateur Electronics - Carry hundreds of ham radio products including amateur radios from Alinco, Icom, Kenwood, and Yaesu, plus ham radio products from MFJ, LDG, Diamond Antennas, Hustler, Ameritron, Astron power supplies, and books of all kinds

The SWDXer - SWDXer is the one stop resource for shortwave radio information. Articles include antennas and simple electronics construction.

WDX Club Weekly Top News - BCL DX news compiled by Wolfgang Büschel

Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.

Inductor Design Software - RF toroid - A free too designed to assist in the selection of iron and alloy powder cores. RF toroid calculate the location of the Self resonate frequencies for series and shunt inductors.

Small Unregulated Power Supply Project - Here's a simple power supply that can be used in many applications. It is not regulated , so keep that in mind for voltage sensitive devices , and of course you will need to understand how to select the correct amperage and voltage for the AC transformer.