ecm homebrew

10 Meter Vertical Dipole - Homebrew a vertical dipole for 28 Mhz by N2UHC

Petlowany Three-Band Burner Antenna - The Petlowany Three-Band Burner is a simple, low-cost, trapless short vertical antenna which amazingly works on three HF bands (20, 15 and 10 meters). This web page contains pictures, performance data, and enough construction details so you can homebrew your own.

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

J Pole antenna for 6 meters - Homebrewed jpole antenna for 50 mhz by IW0BZD, include pictures and schematics, in italian.

Hex Array - 80/40 Meter Vertical - This page describes a homebrew 80/40 meter trap vertical antenna. Includes an interesting antenna raising system that allow easy setup and tuning.

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

W1GQL's Homebrew Hexbeam - A site dedicated to HexBeam antenna construction. It is complete and you will find all information you need to start homebrewing your own hexbeam antenna.

Copper Cactus J pole 2 metter 70 Cm dualband - Homebrew j-pole 2mt 70 cm antenna project. Make it cheap.

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

8 Element Quagi Antenna for 70cm - Quagi 8el 70cm improved 13.77dBi by IK1HGE

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.

Hombrew 23 cm antennas - Homebrewing antennas for 23 cms

G4OEP QRSS pages - Pictures of QRSS Signals, a homebrew receiver for 136 Khz

QRSS Keyer - An homebrewed QRSS CW keyer

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

Homebrewing a tube-type HF amp. - This article discuss the use and construction of a grounded-grid, triode type HF amplifiers

Homebrew HF Amp with 3CX3000F7 - Grounded grid triode HF linear amplifier with pictures and schematics diagrams by W2DTC. The amp design was for 160 80 40 and 20 meters

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

HDR-2005 Receiver Workbench - Homebrew HF receiver with quadrature sampling detector QSD (aka Tayloe Mixer)

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

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

Homebrew Vector Network Analyser - Homebrew project of a vector network analyser VNA by N2PK