20m 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.

Build your own 20m vertical  ^pop - Build your own 50ohm coax fed 20m vertical antenna, so easy a 9 year old can do it, or at least help! And the budget? You may already have the materials on hand, or worse case spend $15 by Andrew Daniel - KI4QFY

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.

Building baluns  ^pop - How to easily home-brew baluns even in strange formats 1/1 - 2/1 - 4/1 - 6/1 - 9/1 - 12/1 et 16/1 for bands from 1.8 to 30 (50) MHz in french

CobWebb multiband folded dipole - It is basically a 5 band antenna comprising of 5 full half wave dipoles for each band - between 10M & 20M, the antenna is also resonant on 6M

Buddipole by ZR6KMD - A rotateable dipole specifically for the 20m based on W3FF Buddipole design by ZR6KMD

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.

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

AO-40 70cm Uplink Antenna - homebrew satellite antenna

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

SV1BSX Homebrew Corner - Offer a wide range of homebrewing projects mainly for VHF UHF operations. From vhf antennas to preamplifiers, chargers and power supplies

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

External Keypad for FT-817 - An external keypad for FT-817(ND), for the serious portable/field-day contester/operator. Homebrew it with the free firmware and public circuit diagram. The circuit is very simple and takes power supply from the ACC port of the radio

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

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