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A Reduced Half- sloper for 160 meters - A half sloper antenna for 160 meter band Italian translation of a WD8DSB article appeared in a QST issue during 1998.

137 MHZ QHF Quadrafilar APT Antenna - This version of the 135mHz quadrafilar antenna for APT reception is an adaptation from Bill Sykes and Bob Cobey's article Taming the QFH which appeared in the March 1997 RIG magazine.

3 Element cubic quad for UHF - Article in spanish with design and descriptio of a 3 elements cubic antenna for UHF

A 1:1 Coaxial Balun  ^pop - PDF article on a coaxial 1:1 balun by I0QM

Antenna Trimming Chart - Use this chart as an aid in trimming the length of your antenna. It gives you an idea of the change in wire length needed to move antenna resonance a specific number of KHz.

Advanced active VLF Loop - Article on using loop antenna in very low frequencies

UA1DZ antenna - description and chart - HF 4 bands (7-14-21-28) vertical antenna plan

Rhombic antennas - Article on rhombic antennas, radiaton patterns, disvantages, and more info on rhombic aerials

ZS6BKW variant of the G5RV - The ZS6BKW variant of the G5RV claims to offer multi-band coverage without the need for a tuner. This article looks at whether or not these claims are valid in a real life installation.

PJ2T Caribbean Contesting Consortium - A contest club dedicated to fun, international friendship, and advancement of the contesting art through superior operating technique and maximum application of technology.

Georgia QSO Party

EU Sprint - The EU Sprint Gang hereby invites you to participate in the four European Sprint Contests.

DX Audio Files - MP3 Sound Clips - International Medium-Wave DX by Mark Connelly, WA1ION

Comtek Systems - COMTEK uses state of the art design and technology to offer every ham the most advanced antenna systems possible.

Maycom Communications - maycom communications products has been industry distributor for over 30 years . Offer main line products and parts for many hard to find items . Antenna Mounts and Accessories basd in Michigan USA

MTM Scientific Radio Loop Antenna - Loop Antenna Starter Kit contains detailed plans for building the MTM Scientific, Inc. loop antenna from scratch.

UHF Reject filter - This filter is a 0.1 dB Tschebychev lowpass with a rejection of 90 dB or better at 430 MHz, and 0.2 dB insertion loss at 72 MHz.

A Flexible Digital-Mode Interface - One interface, all the software—here’s how to do it simplyand inexpensively. QST article by Jim Mitrenga N9ART

WSJT for Meteorscatter – Tips and Tricks to start - Tips and tricks to start working Meteorscatter with WSJT. Author: PE1AHX

Radio Ranch - The place for great Classic communications gear & parts

BCmap - This program shows a polar-projection map of the northern part of Region 2 (Western hemisphere) with the patterns of all AM radio stations in Canada, the United States, Mexico and Cuba, on a specified frequency, with the map centered on a user-specified "home" location.

Smart Morse - Morse code tutoring program for the Palm powered PDA. The main feature that separates Smart Morse from other programs of this nature is the fact that this program learns about you as you practice

RevLoad - This graphics-intensive program reveals the load on the output of a matching-network, based on measurements of the components in that network. Adjust the network (tuner) for a flat input, measure or look up the network component values and you will immmediately see the R and jX values of the load on the network, presented as both a schematic with the component values and as a Smith Chart normalized to the specified system impedance.

ATPDEC - Atpdec is an open source program that decodes images transmitted by POES NOAA weather satellite series. These satellites transmit continuously, among other things, medium resolution images of the earth on 137Mhz. These transmissions could be easily received with an inexpensive antenna and dedicated receiver. For more information about receiving POES satellite images consult the rig site.

Homebrew FT 817 Headset - A simple circuit to homebrew your own headset for the Yaesu FT-817