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- Technical Reference > 3D Printed Projects
- Technical Reference > Digital ATV projects
- Technical Reference > QRP Projects
- Antennas > 12M
- Antennas > 20M > 20 meter Dipole Antennas
- Antennas > 40M > 40 meter Delta Loop Antennas
- Antennas > 40M > 40 meter Loop Antennas
- Antennas > 40M > 40 meter Vertical Antennas
- Antennas > 40M > 40 meter Yagi Antennas
- Antennas > 6M > 6 meter J-Pole Antenna
- Antennas > 70cm
- Technical Reference > Antenna Rotator
- Technical Reference > APRS
- Technical Reference > Arduino
- Technical Reference > ATV
- Technical Reference > Batteries > Battery Charger
- Antennas > Bazooka
- Antennas > C-Pole
- Antennas > CobWebb
- Technical Reference > DTMF
- Technical Reference > Frequency Counter
- Antennas > G5RV
- Technical Reference > Headsets and Speakers
- Antennas > Log Periodic
- Technical Reference > Arduino > Morse Code
- Technical Reference > Morse Code Decoder
- Technical Reference > Power Supply
- Technical Reference > Receivers > Progressive Receiver
- Technical Reference > QRM Eliminator
- Technical Reference > QRP Projects > QRP CW Transceiver
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The web page provides detailed information on a portable 10/20/40 meter vertical antenna designed for mobile operations, including modifications for 20 and 40 meters. It includes images and descriptions of the antenna setup in a car. The content is useful for amateur radio operators looking to enhance their mobile communication capabilities. -
All about baluns with photos, projects and instructions, by IZ7ATH -
A simple design of a 9 elem. yagi antenna for 2 meters band -
A vertical antenna for 40 and 80 meters band, using a telescoping fiberglass fishing pole. -
This antenna is unique in that it is enclosed entirely in 3/4" PVC -
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Free programmable LOW/HIGH/BANDPASS FIR filter in the audio range 0-4kHz -
Harry Lythall SM0VPO/G4VVJ homebrew web site, contains several projects, antenna notes and plans, receivers and transmitters plans, regularly updated. -
The page describes two types of 2 meter J-Pole antennas, one made of copper pipe and a roll-up J-pole made of TV twin lead, providing dimensions, components, and construction details. It is authored by Dr. Carl O. Jelinek N6VNG. -
The website https://www.qsl.net/dl5dbm showcases homebrew projects related to KW, 2-meter, 6-meter, antennas, amplifiers, preamps, power supplies, and more. It provides information and resources for radio amateurs interested in DIY projects and experimentation. -
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A collection of projects for Amateur Radio Homebrewing enthusiasts -
Two well performing 50 MHz antennas designed with W7EL EZNEC along to many other antenna projects and related articles -
K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter -
Amateur radio links and homebrew projects -
some interestig homebrew projects -
How to build a 432 Mhz Quagi, using a wood-made boom, and gives a 13 DBI Gain -
CHIRP is a cross-platform, cross-radio programming tool. It works on Windows and Linux and MacOSX. It can program many popular radios and exchange data between them includin Icom Kenwood Yaesu Alinco Wouxun Puxing Baofeng -
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 -
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DX Engineering is a source for antennas and antenna parts for radio amateurs and professionals. The website offers a wide range of products and resources for antenna projects and radio operation. -
Interesting project to remotely control, using a servo control circuit, a common commercial antenna tuner by N30X -
This sketch will read RF power and SWR from any SWR bridge, designed to work on VHF UHF bands -
Long range Wi-Fi antennas you can build. Helicals, parabolics, and biquads discussed. How to add external antennas to WUSB54GC and F5D7050 usb wireless adapters for long range connections. -
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Free german Open Source HAM Logging Program unter the terms of the GNU General Public License. CLLOG runs under MS-DOS (Windows DOS-Window under 3.x,9x,NT,ME,2000) and LINUX. All Functions for Logbook. -
WSJT-X - Weak Signal Communication, by K1JT - offers specific digital protocols optimized for EME (moonbounce), meteor scatter, and ionospheric scatter, at VHF/UHF, as well as for LF, MF, and HF propagation. Support digital modes like FT8 FT4 JT65. The program can decode fraction-of-a-second signals reflected from ionized meteor trails and steady signals more than 10 dB below the audible threshold. WSJT-X incorporates nearly all popular capabilities of programs WSJT and WSPR, while adding comprehensive rig control and many other features. Open-source, download latest version for Windows, Linux, Mac OS X. -
WV7U YC156 and 3CPX800 amplifier projects. See pictures, schematics, test data, links, and more! -
N3ox 6 meter moxon rectangle, pictures and assembly notes -
Based on Motorola MRF454, schematics and component list -
Meter and Low Power Tune for FT-857D -
A simple dual band VHF UHF jpole antenna Projects by Dale Kubichek -
This FET preamplifier has been around for almost 25 years. It is extremely reliable and can handle several watts directly into either the input or the output without failure. -
The page provides a detailed guide on building a successful 160 Meter short TX loop antenna, with specific dimensions and tuning instructions. It includes information on the design, construction, and tuning of the antenna, as well as the materials required. The intended audience is amateur radio operators looking to build an effective antenna for the 160 Meter band. -
An updated and classified collection of SDR projects and realizations -
EI7BA Multiband Cubical Quads projects, includes two elements quad antennas for 10 12 15 17 20 meters band. Performance considerations, detailed pictures and construction notes. -
based on the famous Curtis family of morse keyer chips and has a proven record of dependability. -
This project started as a result of renewed interest in 40 meters coupled with the desire for an antenna system that would be more effective than the simple dipole. -
This projects was developed as a result of experiments to become QRV on 80 meters, again, using the little balcony by SM0VPO -
K0JD's home construction projects, featuring the R2/T2 modules by KK7B -
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KD9JQ 2 meter GaAsFET preamplifier by KD9JQ -
Article and comparison between bazooka antennas and dipole, taking care of effieciency and bandwidth -
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This was a project to make a dummy load or, as the finished thing is more correctly labelled, a fifty ohm resistive load. -
Schematics and plans to build a custom CAT and audio pc interface -
Described here is a simple omni-directional, vertically-polarized dipole for two meters. Made from coaxial cable, it can be rolled up and stored in a small container -
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Build parabolic WLAN antenna adapted from a small satellite dish. It provides high gain and long range connections.