key homebrew

A Short Back Fire antenna - A Short Back Fire antenna improved for Wireless-LAN applications

Homebrew Travel Antenna - This is a low cost homebrew two band travel antenna for 20 and 40 meters. It is based on the B&W Travel Antenna concept with a telescoping whip and a loading coil

How To Make A Homebrew 4:1 Balun  ^pop - I built a homebrew 75 meter Double Extended Zepp Antenna, And I needed a 4:1 Balun So I decided to Homebrew the Balun also. Here is how I did it!

W8JI Technical pages  ^pop - Amplifier, vacuum tube, receiving beverage loop vertical and transmitting antenna system technical information radiation resistance, EH antenna, noise,receivers, and information on keyclicks.

2 Element Quad Project - Homebrew quad antenna project you can build for very little cost for 12,11CB,10 meters and higher frequencies

Anthony Welsh Ltd. - A great source for hard to find HI END & power tubes & sockets, various capacitors, vacuum relays, various keys and paddles.

VK4HF Rental Shack in Australia - This is the ham radio station of VK4HF near Brisbane Australia which is available for Ham Radio Holidays.

Hamradioindia a website by vu2fd - a website by vu2fd with theory lessons, details on rules and regulations and planty of homebrew projects for radio amateurs, java calculators.

WD7S Productions - A collection of kits for control and protection of homebrew linear amplifiers

Ham Stack - Microcontrollers for many ham radio applications including repeater controllers, beacon transmitters, keyers, antenna switches, battery monitors, etc.

Amateur Radio Products - BullDog Iambic keyers, memory keyers, beacon boards, interface cables

KEYCOM Characteristic Technologies - Millimeterwave/Microwave transmission lines and components, Cryogenic temperature application transmission cables and systems, Permittivity(Dielectric rate) and Permeabillity measurement systems, Antennas, Radar systems

MultiKeyer - MultiKeyer is a computer keying program that supports both CW and Phone messages: CW EME Auto mode sends timed CW messages for EME and Meteor Scatter operation CW "Contest" mode sends Auto CQ, plus preprogrammed messages Sequenced Phone mode transmits prerecorded .wav files for Meteor Scatter operation Auto Phone mode transmits prerecorded .wav files for contest operation

DOMINO - new MFSK mode - A new MFSK mode with IFK by ZL1BPU and ZL2AFP.It is a simple Amateur Radio mode for keyboard QSOs. domino provides digital chat-mode operation on the HF bands, using the well respected sound card technique. Domino will handle TX/RX offsets and mistuning of 200Hz with ease, and will provide perfect copy of drifting signals up to 200Hz/minute!

The KK4DW Telegraph Key Collection - An informative description of various telegraph keys with large, sharp, digital images to study. Constantly added to and updated with the latest information.

Foreign Key Photo Gallery - A photographic reference for wire and wireless telegraph key collectors and historians

FT-857 CW key click Mod - FT-857 CW key click up grade Modification

DL6JAN's CW keyboard - A micro processor interface that converts PC keyboard code into Morse code

I1KFH Homebrewing - Homebrew web site

No tune SSB/CW transceivers - no tune SSB/CW transceiver for 1296, 2304, 5760 and 10368 MHz

F6BON Homebrew - Spectrum alalyzer, uhf shf test equipment

Simple CMOS elbug - It is a simple electronic keyer that proved to be reliable, precise timing and no own phantasy by OK1DX

2m Band VHF antenna pre-amplifier - Homebrew pre-amp for 144-146 MHz amateur band and OSCAR Satellites, using BF981 Dual-gate MosFet. Gain ~15 dB, NF=1dB.

Homebrew QRP SSB Transceiver  ^pop - This page describes a homebrew QRP SSB transceiver built by WB9IPA.

SWR bridge - This SWR bridge works by sampling the amount of power flowing in each direction along the aerial feeder.