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Amateur Radio 40m 20m 15m Half Wave Fan dipole antenna project with part list, pictures and drawing. Includes the option to expand the antenna to cover the 80 meters band

ozQRP offer a range of kits to build a complete QRP SSB transceiver

There are many designs for building preamps each with their own advantages and disvantages. In this PDF Article author reviews several different types.

A project with schematic to build a receiver for 80 meters band by VK1PK

Solar Power for Your Ham Station, It is Easier Than You Think QST article April 96 by KE0OG via Repeater-Builider.com

Project with pictures and descriptions for building a portable 12 Volt DC power source by N1KXR.

Design and build a 6 meter 2-element Moxon antenna mostly from available aluminum tubing and angle stock.

The A QRP Club is a small group of Amateur Radio enthusiasts who enjoy building, operating and (mostly) talking about Low Power radio communications, equipment and systems.

Soundmodem is a free software defined dual-port Packet-Radio TNC that implement a soundcard as a modem and supports AX.25 protocol. Soundmodem has been tested on Windows XP, Vista, 7, 8, 10 and has proved stable in operation. The Soundmodem may be used to build EMCOMM, APRS, BBS, Node station, for satellites

Home build a Kenwood PG-5A cable. This lead is the audio data cable for some of the Kenwood Mobile transceivers

Design, build and supply Military Diesel Operated Tactical generator sets, diesel generator sets, custom generators, auxiliary power units, portable power generators and tactical quiet generators used by the U.S. Navy and Air Force.

This site is dedicated to those who enjoy building radios and other electronic devices using parts and techniques from bygone eras.

This document is a must read for anyone considering building a good low cost HF multi-band antenna system. The author combine in this document four important ingredients to produce simple but effective antenna system, like antennas of non resonant length, line attenuation, the transmatch and the balun

Building a Double Extended Zepp Antenna

HF on a budget. Assembling a Softrock Software Defined Radio

Ham radio HF antennas manufacturer, produce HF dynamic beam antennas, and vertical pole antenna. Offer kits and parts to build you own dynamic antennas, by IZ0AEG

Two cheap CMOS ICs and a few transistors was all that was required to rebuild an elderly TTL automatic morse keyer into a low current lightweight battery powered iambic morse keyer.

Amateur radio kits. Makers of the WinKeyer, their goal is to keep homebrewing and kit building alive.

An easy to build dipole for 21 and 14 MHz with traps made by two T50-6 toroids cores mounted on a simple PCB foil

Comparison of all the oscilloscopes available for hobbyists, digital oscilloscopes that you can get for under $500, or oscilloscopes that you can build yourself.

The page provides detailed instructions on how to build a 60 meter End Fed Half Wave Antenna Tuner, with large pictures and diagrams. It is aimed at amateur radio operators looking to construct their own antennas for the 60 meter band.

A december 2003 QST article to Build a condenser microphone that will perform like the costly commercial units by KT4QW

KB6NU end-fed, half-wave antenna article and project

Build and run your own ADS-B receiver for 100 USD with a Raspberry Pi

An interesting article on how build an optimal sounding communications loudspeaker capable to optimize sound reproduction at the frequency range from 150 Hz to 3 kHz.

A funny online application that lets you build your own QSL cards based on templates. You can choose background text aligment and text to be printed on your card.

The New England QRP Club is where "The excitement is building...."

Build this noise reducing system to enhance audio of your speaker. A project by kg4jjh

Some notes on double-shielded coaxial cable

2-Element-12,5-Ohm-Yagi with 0,40m-Boom complete description of all details for building this Yagi and stacking to an array

The Kamloops Amateur Radio Club is a non-profit organization that has been incorporated under the Society Act. Our organization has been building and maintaining a network of Amateur Radio mountain top repeaters to enable voice and digital communications between a number of interior communities for many years.

Building the UHF Cheap Yagi for Satellite Communication

A simple, cheap and easy to build 26 feet long vertical antenna that works DX on 20 - 10 meters including WARC Bands, it is designed for portability for field days, camping, or permanent installation, cost, and to achieve at least 1/2 wavelength on the WARC bands.

How to build Fan-Dipoles by DK7ZB. Experiences with various band combinations. Not all combinations are working properly. If the frequencies are to close together the impedances will lead to a very bad SWR. This happens with the bands 10-12-15m or 15-17-20m.

A cheap and easy to build tape measure antenna suitable for RDF or any portable operation use.

An easy to build and extremely high performance antenna, works perfectly on all HF bands 3.5-28 MHz with some compromises, it is basically an half wave dipole for 40-80 meters, an LC circuit or trap 40 meters allows you to use a single radiating element.

If you want to design vertical antennas you can find all theory and formulas used to model a vertical aerial calculating capacitance, reactance, building the inductor and calculating resistances. Includes an excel spreadsheet to calculate efficiency.

This article serves as a beginner-friendly guide to constructing a simple VHF dipole antenna for 2 meters, perfect for novices in the hobby. With an emphasis on affordability and simplicity, it explains the basics without overwhelming technical details. Recommendations for coaxial cable and mounting methods are provided, offering practical solutions for effective communication. By following these instructions, novices can build a functional antenna without breaking the bank.

An article describing how to homebew a VHF 4 elements Yagi antenna.

The page provides a detailed guide on how to build your own NOAA weather satellite receiving station, covering hardware, antenna, computer setup, and software installation. It offers a straightforward explanation suitable for beginners and serves as an educational project. The content includes step-by-step instructions and tips for observing satellites in the night sky.

Build a directional antenna for the 1.2 GHz band, in 15 minutes

Build you own RF probe, measure the level of RF voltage present at a particular point.

How to build a Bluetooth Radio Interface for Yaesu CAT standard or Icom CI-V system

A moxon antenna for the 50 MHz build with 19 feet of 14 AWG copper wire, and based on a set of PVC pipes. This is an easy to build project that will give you an efficient directional antenna on 6 meters band with low SWR on more than 1 MHz bandwidth.

This is a good chance to build up your Canton total for the Swiss Helvetia Award, which requires confirmation from all 26 Cantons.

Build a Power Source for Portable Ops that will last a while by n1gy

An interesting presetnation full of usefull tricks to correctly design and build 23 cm Yagi using simple tools. The basic design of the antenna presented in this document is taken from the original DL6WU Yagi Design published in 1982

An homemade antenna tuner project that should be small, easy to build and cheap. This automatic antenna tuner can work as locale or as remote. The tuner has EEPROM memory for store settings for faster tunning and four interfaces

G0HWC details and HTML files with images to build yourself a Ham Radio website. Get your Ham Web Site on the internet for free

Six meters is a great band for home built Yagis. The elements are reasonably small, but not so small that building tolerances are critical. With careful construction and detailed instructions, it is certainly feasible to build no-tune Yagis up to 432 MHz.