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Query: projects
Links: 464 | Categories: 41
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 Supply
- Technical Reference > Receivers > Progressive Receiver
- Technical Reference > QRM Eliminator
- Technical Reference > QRP Projects > QRP CW Transceiver
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A homebrew fishing-rod vertical using a very nice design from EB5EKT. This antenna works 20, 30, and 40M bands by selecting the tap points using alligator clips -
The W6AMT Beacons is a Windows program which automates the collection of radio propagation data. HF data is collected by monitoring the worldwide network of NCDXF / IARU HF beacons. -
A low-level voltage meter and could even be used for audio purposes. -
1.2-30V 1.5A variable regulated power supply -
This simple hack turns your Raspberry Pi into a powerful FM transmitter -
UM58 a regenerative receiver project -
Portuguese page, from VLF to some GHz, antennas, projects, EME, NDB DX and more. -
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The St. Louis Vertical Revisited by Dave Gauding, NF0R here are a few ideas and observations on the St. Louis Vertical -
Signalprocessing for SSB - Direct Conversion Receiver using Phasemethod for Sideband Supression, does all necessary signalprocessing for Direct conversion Receivers using IQ-mixer for demodulation. -
A quick vertical for 160 meters portable use -
If your local repeater has got you singing the PL tone blues, then read on. For less than $10, an inexpensive PL tone generator can be constructed that will bring new life into that old non-PL rig. -
Local and DX contacts from tight spaces, it works from 40 to 17 meters -
Circuit diagrams to homebrew different baluns by vk2awx -
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Lots of projects and introductions to RDF and T Hunting -
80 metre ceramic resonator VXO CW Transmitter by VK1PK -
Sales tubes for amplifiers like GS-23B,GS-31B,GS-35B,GU-34B,GU-43B,GU-74B,GU-84B. Include links to aplifier homebrew projects -
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FAR Circuits is exclusively a manufacturer of Printed Circuit Boards for electronic projects that are used by the Amateur Radio and electronic hobby enthusiast. -
Excellent poster representing the electromagnetic spectrum from 31.2 mHz to 6.52 EHz, PDF file poster designed by Anthony Tekatch -
Remotely controlled antenna switch that can switch between 5 antennas -
A pdf file with schematics of an ssb and cw filter AF amplifier -
A simple circuit which will generate a 700 Hz tone into any FM transceiver allowing an amateur to practice CW with another amateur on a 2 meter simplex frequency. -
Projects and design atv de ik1hgi Progetti, circuits, master, fotos in Italian -
This vertical antenna consist of a 18 meters telescopic pole and allow operations from 160 to 30 meters band, project by Daniel Zimmerman N3OX -
Contains digimodes, antenna projects, DX info and lots more -
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This strange looking antenna is a combination of Coupled-Resonator principle by K9AY and a quarter stubs to achieve low angle radiation pattern. Designed with 4nec2 NEC based antenna modeler and optimizer for 145/220/440MHz bands -
Sometimes amateurs like to home-brew their power supplies instead of purchasing one off the shelf at any of the major ham radio retail dealers. -
Enabling IC 706 for 4 meter band modification in italian. -
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If you want to build a repeater, this is the right place to start. Includes construction projects and reviews of repeater hardware available in the market. -
An inexpensive condenser microphone with excellent performance can be easily constructed with easily available parts. -
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K9AY 160M / 80M Receiving Loop Antenna System by K7SFN -
CTCSS Decoder and Encoder, DTMF Decoder projects -
Design Guidelines for Bipolar Transistor Audio Preamplifier Circuits By Mike Martell N1HFX -
50 MHZ Moxon antenna based on the KG4JJH design with some slight modifications in the construction -
A simple TRAP-dipole project for 20 and 40m bands includes EZNec simulations -
WV7U's YC156 and 3CPX800 amplifier projects. Everything you wanted to know about using the YC156 or 3CPX800 in a ham radio linear amplifier. See pictures, schematics, test data, links, and more! -
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An Arduino APRS project based on the real time OS BeRTOS -
An interesting home made project of an L Network Antenna Tuner Project with pictures and schematics by K7SFN -
FAR Circuits is exclusively a manufacturer of Printed Circuit Boards for electronic projects that are used by the Amateur Radio and electronic hobby enthusias -
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Design guidelines for Op Amp audio preamplifier circuits by Mike Martell N1HFX -
N1HFX article on adjustable voltage regulator -
