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Presents a collection of homebrew amateur radio projects and circuit ideas developed by EA5/G3PTO, a licensed operator since 1961. The resource details various transmitters and receivers constructed for frequencies ranging from 1.8 MHz to 10 GHz, emphasizing CW and BPSK31 operation. Specific projects covered include a "Bombproof 7Mhz Receiver" and several keying circuits, providing insights into designs that have proven effective over decades of use. The site also integrates personal photography, showcasing scenes from the West of England and Southeast Spain, reflecting the author's interest in connecting with other amateurs and visualizing their locations. Additionally, it offers a curated list of links to other home construction sites and DX information, serving as a hub for DIY enthusiasts and DXers. The content is distinctively personal, blending technical project documentation with a broader view of the amateur radio lifestyle and community engagement.

Pictures and plans to build 70 cm yagi antennas

Website devoted entirely to the Yaesu FT1000MP. Our purpose is to link you with other owners and to enhance the understanding and appreciation for just what the radio can do, and how you can use other hardware and software with it.

Satellite Orbital Prediction and Satellite Tracking

Decode digital and analog signals out of any high quality Transceiver or Receiver, works as a DSP-analyzing system

Opensource software implementation of a DRM Receiver. Digital Radio Mondiale (DRM) is a new digital radio standard for the long-, medium- and short-wave ranges

Advices for newcomers on shortwave listening by Daniel A. Grunberg

The best antenna is the simple Dipole. If you have height, you even can put up a quarter wave vertical or an inverted, but sometimes you may need shorten version by 4S7NR

List of beacons operating on 2 meters band

Discone antenna deisgn program by K5DKZ

The Jones version of the Lawn Chair 6M Halo

A multiband jpole antenna

Wintrak and traksat, satellite tracking software

10-12-15-17-20m A description was in the German Ham-Magazine "Funkamateur" in Issue 11/2003

Freeware MSDOS SSTV program by WB2OSZ, Automatic Calibration, Automatic Fine Tuning, Widest Variety of File Types

A wire yagi antenna for 20 and 40 meters band suitable for outdoor and field day operations

GAP Titan DX Evaluation, antenna for 10m 15m 20m 40m 80m

Amateur Radio Maps DOS and Windows program which contains maps of continents and countries. Not updated since 2000.

An easy guide to "How to build your own magnetic loop" for 20 meters

Antenna Scatterers Analysis Program, is a Free general purpose antenna analysis software program for numerical electromagnetic antenna design, modeling and analysis. Source code and windows executables are available to download.

An easy to build antenna switch for long wire antennas, expecially designed for sloper antennas

Magnetic loops are a compromise antenna and performance will be down on a full size-wire antenna particurlarly on lower HF Bands. This article compare this magnetic loop with a full-sized wire antenna on 80 meters by VK3YE

CHIRP is a free, open-source, cross-platform radio programming tool that supports a large number of transceivers from manufacturers such as Icom, Kenwood, Yaesu, Alinco, Wouxun, Puxing, and Baofeng. Chirp radio software run on Windows, Linux, and macOS, enabling users to exchange data between different radio models and interface with multiple data sources and formats. The program streamlines the configuration of memory channels, frequencies, and various settings for amateur radio handhelds. Specific models supported include the _Icom IC-7300_, _Kenwood TH-D74_, and _Yaesu FT-818_, among many others. CHIRP provides compatibility with various file formats, including Generic CSV, RT Systems CSV, ARRL Travel Plus (.tpe), and manufacturer-specific formats like Kenwood KPG-44D (.dat) and Icom Data Files (.icf). Additionally, it integrates with the DMR-MARC Database for enhanced programming capabilities. Users can download CHIRP for their platform and access extensive documentation, including a FAQ and a mailing list for support. The project encourages users to consult existing documentation and open/closed tickets before submitting new bug reports or feature requests.

G3PTO antenna drawing plan for a 50MHz 6 Element Yagi beam

3 elements VHF Yagi homebrew antenna designed with YAGIMAX 3. Maximum forward GAIN is about 8,17 DBi. This antenna offering an effective radiation power 4 times greater of the transceiver output by SV1BSX

ON6MU project for a vhf uhf preamplifier

Multi Band Quad,Cushcraft R5, R7, R7000, repair and maintenance, Remote Antenna Switching, Hexagonal Beam, Automatic Band Decoder, Low Band Verticals, Crank-up Tiltover Tower etc

A .ico file library containing lots of icons for Windows, regarding Amateur Radio, to customize your desktop

Schematics for a VHF UHF duplexer

13.8 V 15A from a PC power supply

Build your own delta loop antenna for 6 meters band

This Delta Loop is a three-sided antenna suspended high in the air by vertical supports, such as tall evergreen trees. Recommended height is 40 feet or more at highest point, but higher is better.

This page contains dynamically updated propagation information.

Predicts ionospheric (sky-wave) propagation between any two locations on the earth on frequencies between 3 and 30 MHz

Yagi Antennas, Antenna Materials and more.

Maco Manufacturing, HF Antennas, gamma matches, cable assemblies, power supply, swr meters, watt meters

An easy to build antenna switch with common rele

A 3 elements long yagi antenna for 6 meters band by ON6MU

Amateur radio HF nets

A coil loaded dipole antenna for 40 and 80 meters band by I2CN

py2ohh homebrewing of receivers, transmiters and Test Equipment for ham and swl, using cheap, easy to find or surplus components

The Walnut Tower antenna project

RufzXP is an excellent free training software for improving code speed and CW practice, particularly (ultra) high speed memory copying of true amateur radio calls.

Interesting project to remotely control, using a servo control circuit, a common commercial antenna tuner by N30X

This is a combination center and top loaded multiband antenna by Mark D. Lowell, N1LO PDF File

This homebrew legal-limit antenna tuner is based on the famous "Ultimate Transmatch" introduced by the late Lew McCoy, W1ICP. The Ultimate Transmatch was described in the "Beginner and Novice" section of the July 1970 QST (Page 24).

Inductance and Capacitance meter using``Frequency Shifted Oscillator

A portable antenna for mode B and J satellites

Multitasking data analyzer demodulator and decoder for Windows.

DIY Basic Electronic Theory, Basic Antenna Theory with Antennas built from common materials. What does SWR really mean. Baluns from transmission line.