key homebrew

The Hudson antenna - A vertical antenna for 80 and 40 meters project with lots of assembling pictures and plan by LU9DPD in spanish

Homebrew ladder line - Homebewing ladder line discussion at qrz.com

Homebrew Buddistick 2007 - W3FF article about the buddistick portable vertical antenna in a PDF file

AO-40 70cm Uplink Antenna - homebrew satellite antenna

Small Tuned Loop AM Broadcast Antenna - Alan yates vk2zay's ham radio website, homebrew construction, general electronics, high voltage experiments, amateur rocketry, and general geek stuff

The EZ-Tuner - The "EZ-Tuner" is a homebrew automatic legal-limit antenna tuner that covers all amateur HF bands from 160-10 meters. Using a T-network design and controlled by a BASIC Stamp BS2sx microcontroller, the EZ-Tuner will match at least a 16:1 VSWR for either unbalanced or balanced transmission lines.

The Carolina windom antenna - Homebrewina a multiband windom antenna

Tompkins County Amateur Radio Club - The Tompkins County Amateur Radio Club AF2AA is the present-day incarnation of the original Ithaca Mike and Key Club, started in the 1950's.

RTKCC Redmond Top Key Contest Club - Membership is made up from active radio amateurs living in and around Redmond, Washington. We are a relatively small informal club, with members who have wide ranging interests in our common hobby.

European PSK Club Priority listing - The European Phase Shift Keying Club (EPC) was to promote an interest in Amateur Radio to sponsor a series of contests, awards and badges based on the administrative geography of European and other countries by using the PSK mode(s).

EPC Club - 9A1EPC europeam phase shift keying club by The Croatian Digital Group

ST2NH Home Page - homebrew,books,satellite and software

Unified Microsystems - W9XT contest card DVK Digital Voice Keyer, morse keyers CW memory keyer, beacon CQ IDer, USB interfaces and more for ham radio operators

Milestone Technologies - Morse Keys, Keyers, Keyboards, and Keyer Paddles, electronic parts, QRP transceivers, books and tools

Micro908 Kit - A re-usable control & computing platform for antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP

Kustom CB & Stereo - CB Radios, 10 Meter Radios, Base Station Radios, Amateur Radios, Wilson, Firestik, Monkey Made, Striker Antennas, Cobra, Uniden, Galaxy, Connex, Magnum, Ranger, General Radios in Phoenix, AZ

EhoCW - CW Keyer software by F8EHO keyer and decoder functions, with interfaces with emitter/Receiver, memories, variables for call sign, mp3 and wav morse conversion, direct keyboard keying, joystick or serial interface for a morse key

Relay Driver for Power Amps - A simple but complex relay driver for power amplifiers

Six-Meter Linear Amplifier - This homebrew six-meter linear amplifier started off life as a "junker" Alpha 76PA h.f. amplfier. Power output is 800W

AVR Beacon Keyer Project - Description of an HF beacon keyer with telemetry. What makes the keyer rather different is its versatility - it is a multi-mode unit, with ASK and FSK modulation, sending Feld-Hell and Morse on command.

ZS1I beacon keyer - This article describes a simple programmable Morse Code Continuous Wave (CW) beacon keyer for HF, VHF, ARDF and tracking beacons

Homebrew Butterfly Capacitor - Butterfly capacitors are hard to find, expensive but they can be home made by PY1AHD

Yaesu FT100 Contest Assistant - Yaesu FT100 Ham Voice Keyer in Italian

Universal QRP Transmitter - Here's the homebrew Universal QRP transmitter adapted from work by Wes Hayward - W7ZOI. The circuit originally appeared in QRP Classics published in 1980 by the ARRL

40 meter QRP Transceiver - This semi-homebrew QRP (low power) CW transceiver is based on the ARK-40 transceiver kit, by S&S Engineering. With its built-in CW keyer and 5 watts of power, the basic ARK-40 transceiver is an outstanding 40 meter CW performer