simple 4:1

40M Inverted Vee - This simple antenna can be used in various configurations for 40/80/20 or any WARC band or a combination of them

An antenna for 7MHz local contacts - This article describes the design of an antenna for local contacts on 7MHz, including a simple and efficient matching system that presents a 50 ohm load to the transceiver.

QRP Balun - Pictures and assembling instructions of a simple qrp balun

4:1 balun for 160 to 10 meters  ^pop - Articke By Clay Wynn

Open Wire Feed Line a second look - Put up the longest dipole you can fit, feed it with open wire line, connect it to the balanced output of your tuner and—poof! Instant multiband antenna. Is life really that simple? By Paul Danzer, N1II

Easy tuning an building of traps  ^updated - A new and simple method for tuning traps. You need 2-3Watt of your TRX and two homemade coupling coils by DK7ZB

Offset multiband trapless antenna - Simple, easy to build, low cost, compact, multiband By Robert Wilson, AL7KK

My Quad Project - My Quad Project. Simple to build in a weekend. 2 Element vertcal polarity. 99 percent off the shelf parts. Light weight.

Single Coil Z Match - The simple Z match tuner simplified, article by Lloyd Butler VK5BR

Balanced Line Tuner - A small Z-Match tuner, BLT, Balanced Line Tuner is a simple Z-Match tuner that works from 10-40 meters

K7NBB - We are a simplex radio club operating on 146.415 out of Reno, Carson City and surrounding areas.

HxPI Radio - First Steps Radio - First steps in science and technology. First steps radio. Color graphics and simple explanations of basic concepts in radio. An introduction to radio communication as a technical hobby. Resources for teaching, training, learning, self-study. Modern morse code. Morse code in the 21st Century. Morse code as a technical hobby. Morse training and practice material. Exercise files to download.

Configuring an Icom ID-1 DSTAR radio - Icom dstar digital data configuration for simplex

Packet Radio on a Windows CE device made simple - How to use packet radio using the WindowsCE operating system

Beacon Light - A simple beacon monitoring program for windows by DL5SWB

NJ6N's D-STAR Chat - A simple D-Star keyboard to keyboard chat application for Windows by NJ6N.

D-StarCom - A simple command-line-based program for the exchange of common data between D-Star radios

MiniErrorCorrection Program - This simple program was written as a possible utility for those attempting to communicate using digital modes via paths that are intermittent and tenuous such as Aircraft Scatter at VHF and Low Earth Orbiting Satellites by G3PPT.

LCLAYOUT drawing software - Simple inexpensive program that allows L-C filters designed by PCFILT or S/FILSYN which are to be built using air wound inductors and single layer capacitors cut from alumina or duroid substrate materials

LinRepeat Priority listing - LinRepeat is free repeater control software for Ham Radio that runs on Linux. It is easily configured and modifiable, and is licensed under the GNU Public License version 3 (GPLv3). It's intended to be as simple, fast, and stable as possible. It relies on other software such as Gstreamer although the program itself is written entirely in Perl.

A simplified video control box - When one starts in amateur television, one begins with a small simple transmitter and a small camera. But very quickly, one needs to transmit audio signals with the pictures, then comes a second camera

Roger Beep - This article describes a simple device to generate Roger Beep tones.

Noise Figure Meter with a Spectrum Analyser - A relatively simple automatic Noise Figure (NF) meter was developed which is using a spectrum analyser as the receiver and logarithmic power detector.

Simple test equipment to build - A field strength meter, a crystal tester and a capacitance meter by Peter Parker VK3YE

Ultra-Simple Oscilloscope - This homemade tube oscilloscope is based on the WaterMan Pocket-Scope 0510A, a 3 tube oscilloscope made in 1946.