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Query: project
Links: 585 | Categories: 42
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Categories
- 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 Meter
- Technical Reference > Power Supply
- Technical Reference > Receivers > Progressive Receiver
- Technical Reference > QRM Eliminator
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Key your transmitter from the tone output of a Morse Code generator program -
This antenna analyzer measures complex impedance over the 1.6 - 33 MHz HF spectrum -
Lot of useful information on experiments on 136 Khz band, with antenna tips DSP infos and notes on their activity in LF. -
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Interesting article on multiband fan dipoles. This article give an overview on designing this wire antenna, and planning a robust installation and proper feed line. Includes notes on setting up a commercial fan dipole antenna and on how diy your own. -
DIY voice keyer for your next ham radio contest. An interesting homebew voice keyer project by ON7EQ -
A project for a SDR receiver by Juan Domenech Fernandez -
W3EDP antenna assembly instructions and dimensions with pictures in this PDF File -
Have you problem with your RG cables ? This page describes a smart antenna box using an RG-cathode for 3 antennas. The remote control needs just a simple wire and the GND for remote-control -
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A remotely tuned 80m to 10m wire vertical antenna -
The NCDXF, in cooperation with the IARU, constructed and operates a worldwide network of high-frequency radio beacons on 14.100, 18.110, 21.150, 24.930, and 28.200 megaHertz. These beacons help both amateur and commercial high-frequency radio users assess the current condition of the ionosphere -
Schematic anc PCB for a fox hunting receiver for 80 meters band -
Amateur Radio Projects & Kits for homebrewers, includes DDS,sound card interface,programmers, hamcom, frequency counter, RF Power Meter, modems and more. -
VK3YE magnetic loop antenna plan that cover 7 Mhz to 20 Mhz and shortening loop can work on 21 Mhz. -
How to build a lightweight amplifier that can be backpacked around. -
Tips to homebrew your own HF traps using aluminium wire and doorknob capacitor -
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This simple and cost effective interface circuit is designed for use with any ICOM amateur radio equipment with CIV interface -
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The page provides a project for an helical dipole for the 40 meters band, resonating on 7 MHz, created by PY1ZFK based on a design by DL8VO. It includes detailed instructions on building the antenna. -
A small random wire antenna tune that can tune from 40 to 10 meters bands. -
Diplexer is a passive device, a special filter circuit that seperates 2 different bands, not to be confused with the duplexer that usually separate 2 different frequencies on the same band. -
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A magnetic loop antenna working from 30 to 15 meters with 100W -
The future of two way radio is digital. -
This Z-Match is a link coupled all-band tuner. Two all band tank circuits cover 3-14mhz and 14-30mhz. The tank output links are selected with a very heavy duty SPDT rotary switch. -
Interesting article on how build your own field day antenna -
homebrew a frequency counter by M1HOG -
As the sunspots return and DX propagation conditions to improve, the age old problem with QRM begins to show up on the amateur bands. Thif filter help you on improving reception -
Magnetic loop for 20 to 6 metres pedestrian mobile by VK3YE -
The N3UJJ multi band cage dipole antenna project thay can fit a small property -
Article about small magnetic loop antennas with notes on realization of magnetic loops for several HF bands and the six meter band -
This article loaded with nice pictures and schematics, describes a 160-10 meter linear amplifier that uses a pair of 3-500Z triode power tubes. It was designed and constructed by William Moneysmith, W4NFR. The amplifier features fast warm up and 1500-Watt RF output with 100-Watts of drive. -
A moxon antenna project made with wires and fiberglass poles -
HamShield is a powerful VHF UHF transceiver that lets your Arduino talk to far away people using ham radio bands -
This project hereby presented is a complete HAM radio simplex 'smart' repeater, built around a Motorola GM-350/950, Arduino NANO board and a WINBOND audio recording integrated circuit -
Build a 5 watt, 80 meter QRP CW Transceiver -
Open-Source Software Implementation of a DRM (Digital Radio Mondiale) Receiver. Dream runs on virtually any pc and requires a receiver front-end to work as a real radio. -
A DIY guide to build your own compact multiband HF antenna based on the G3TXQ version using a 1:4 balun. This article includes the full part list and instructions to assembly, including the center plate. -
A cooperative venture between MSUARC and Calloway County Fire and Rescue -
A simple fixed frequency SSB voice transceiver for the 7 MHz amateur band -
Design and build an 6 m dipole antenna from aluminum, tubing, that resembles the active element of a yagi beam antenna. -
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An open collaborated project for creating base libraries and applications to allow the passing of information from the host computer to the D-STAR radio and vice versa. -
A reduced size antenna made of two series resonant circuits with a radiant tube condenser in German -
Modifying consumer off the shelf wireless LAN devices for specialized amateur use -
Project to build sets of band pass transmitting filters for reducing the interference between HF transceivers operated in close proximity -
An affordable 0.05...50MHz home made VNA of a Lab quality from Paul Kiciak, N2PK