simple transceiver

Shortened vertical antenna for 7 Mhz - A simple drawing of a shortened antenna for 40 meters by using a PVC tube

Axial-Mode Helical Antenna Calculator - Simple implementation of the ARRL Antenna Book design equations for the axial-mode helical antenna.

A Simple 7 element Yagi calculator  ^{updated  pop} - A JavaScript to calculate the dimensions for a seven element Yagi-Uda Antenna

W4HN Antenna Calculator - Calculate your dipole, 3 element yagi and a simple dipole

Antenna wire catenary calculator - This is a simple calculator for solving the antenna wire catenary between to end points given the design wind speed, mass per unit length of the wire, wire diameter and Gross Breaking Strength of the wire.

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

WB6ZQZ Triple Ratio Balun - This balun matches resonant antennas from 9 to 75 ohms without a tuner and provides RF isolation to keep the current off the transceiver case

Simple HF Baluns for 50/75 ohm coax - Show diagrams, winding methods and tables of some 1:1 and 4:1 baluns for 1.8 - 30 MHz suitable for use up to 200W (400W peak) on systems using 50 or 75 ohm coaxial cable input where SWR should not exceed 1.6:1.

A simple EH antenna - Simple EH antenna project for EH antennas from 20 to 10 meters band by F5IXU in french

IC706/FT817 portable whip antenna - Suitable antenna for owners of an IC706 or FT817, 857 and other HF portable transceivers. You can an be QRV in a few minutes on all ham-bands from 80m to 6m and even on 2m by PA0FBK

Build a Tuned Loop - How can you vastly improve your Medium Wave reception? its quite simple really, all you need is 120 foot of wire, a few lengths of timber and an old tuning capacitor with which you can build the answer to every DX'ers prayers, a tuned loop antenna.

Simple VHF Gamma Match - Plan of a simple VHF & UHF Gamma match contrstruction

10 m Aerial Matching Unit - This simple matching unit will allow a 10 meters aerial to be used right across the 10m band without the need to physically adjust the elements, and offers a virtual 1:1 VSWR at 50 ohms impedance to the transmitter.

Radio QTH practice exams - Call sign lookup system based on FCC database allow lookup for vanity call signs, practice exams and simple online qsl card creation

Cumbria Designs - Quality electronic kits, transceiver display, Minicounters, VFO Stabiliser, Microcode Morse Reader

QRPproject - QRP and Homebrew HAM Radio by DL2FI and DL7NIK QRP Made in Germany and more QRP Kits, qrp transceivers, accessories, mini keyers dealer for antennas, atu and more accessories

Juma kits - Ham radio kits, HF receivers,ssb and cw transceivers, morse keyers and linear amplifiers.

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

Shortwave Converter - This is a simple circuit that when placed near an ordinary AM broadcast radio will allow you to receive international shortwave broadcasts in the 5-6 MHz band

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

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.

RoMac PSK31 - RoMac PSK 31 windows commercial software, is a simple to operate, yet has many robust features to make operating PSK31 a very enjoyable experience. Operates PSK31, PSK63, QPSK31, and QPSK63.

Omni-Rig - A COM component for transceiver/receiver CAT control. Not a complete program, but rather a component tool that allow software developers to connect their program to a supported transceiver.

Kenwood MCP-1A for TH-K2 Series - TH-K2AT / TH-K2E / TH-K2ET / TH-K4AT / TH-K4E Memory Control Program You can use this software to create data such as memory channels and menus on a PC by connecting the TH-K2/K4 transceiver to the PC.

A simple SWR Meter - This article describes a simple QRP SWR meter built using readily available parts.