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Ham radio blog dedicated to Mac OS users

Amateur Radio Store, dealer for DXZkit products, Heil Sound, Arrow, Miracle based in Northern Colorado

Remote Ham Radio via WebRTC Audio Raspberry Pi 3. Stream Transceiver Audio to and from the remote station though a Browser using WebRTC.

The AA4F Key Contact Cleaner is designed for maintaining key contacts, ensuring reliable operation in 2-way radio communications. **Regular use** of this cleaner can significantly improve contact performance, reducing the risk of intermittent signals. It is particularly effective for cleaning contacts on various key types, including _straight keys_ and _paddles_. Proper maintenance extends the lifespan of your equipment, ensuring consistent operation during contests and DXing activities. Users report improved key responsiveness and reduced key chatter, which is crucial during high-pressure operating conditions. Regular cleaning can prevent oxidation and buildup, which can lead to erratic key performance. This product is essential for serious operators who rely on their equipment for successful communication.

This is a project aboout compact and portable a QRP antenna tuner for use in the HF ham radio bands from 3-30 MHz, even if it's a compact and efficient project this small antenna tuner will not match any possible load.

To promote and practice amateur radio and HAM radio in Mumbai, India.

Dedicated to adventures in Ham Radio Technology

OpenHamClock is a modern, open-source dashboard for amateur radio operators, designed as a web-based successor to the original HamClock. Deployable locally on a Raspberry Pi or via the cloud, it centralizes essential DX operations into a single, intuitive interface. At its core is an interactive world map that visualizes real-time DX spots, signal paths, satellite tracking, and POTA activators. The software seamlessly integrates critical tools like WSJT-X, DX Cluster, and PSKReporter for monitoring digital traffic. Additionally, it provides vital environmental data, including real-time space weather indices, solar activity, and personalized HF propagation predictions. With customizable themes and a modular architecture, OpenHamClock offers modern operators comprehensive, at-a-glance situational awareness of global radio conditions

Christchurch Amateur Radio Club Branch 05 of NZART ZL3AC

A travel group for hams. Join Ham Buddies for fun breaks and make new friends with other hams. Ham buddies enjoy travel and get to talk radio for fun while on holidays.

Make them simple then Make them work. The LAZY H antenna is a general type of antenna that is in the curtain array family. By placing two 1 wavelength dipoles in a plane that is at right angles to the direction of maximum radiation and keeping the proper in-phase current condition to each element, you can achieve a high gain bi-directional antenna.

Setting the pace in Cleveland County Amateur Radio for over 50 years. ARRL Affiliated / Sponsor for ARES (amateuer radio emergency service) of Cleveland County, NC. Sponsor of the famous Shelby Hamfest

The H44 IOTA Team will activate a virgin IOTA – OC-285 Stewart Island aka Sikian Atoll, which has NEVER been activated yet in June July 2013

The Dixie Amateur Radio Club, Inc. is an association of federally licensed Amateur Radio operators (also known as "ham radio" operators) who primarily reside in southwestern Utah, mostly in the greater St. George City metropolitan area.

An interesting article on end fed half-wave wire antennas with a couple of original experiments. Author illustrate the role of the QRP matchbox, and a 40/20 meter antenna with a center stub making it a large bandwidth antenna for 40 and 20. Includes also an 80/40 end fed with the typical coil to make it available on 80 merts band.

Essex Ham offers news of amateur events in Essex, details of training, helpful advice, a discussion forum and lots of useful information.

The _Icom IC-7300_ transceiver, a popular SDR rig, can be readily configured for digital modes like FT8 using _WSJT-X_ software. This guide details the necessary steps, from downloading the correct version of WSJT-X to configuring the radio's USB audio and CAT control settings. It emphasizes a straightforward approach, aiming to simplify the often complex initial setup for new digital mode operators. K0PIR shares his practical experience, outlining the specific menu settings on the IC-7300, such as USB SEND/DPT and USB MOD LEVEL, which are crucial for proper signal modulation and transmission. The resource also covers the integration of WSJT-X's built-in logging capabilities, streamlining the process of recording digital contacts without needing external logging software immediately. This setup allows for efficient operation on various HF bands. Two embedded videos further illustrate the configuration process, providing visual aids for each step, from initial software installation to making the first FT8 contact. The author's method focuses on minimizing common setup hurdles.

A blog by W1REI dedicated to ham radio hobby

A YL's experience in everything Ham Radio.

This page displays the current ionogram and tries to determine the nearest digisonde report to your location. Data coming from this sondes are used to determine the MUF for oblique propagation on HF spectrum

Ham radio personal site by F4FVW

A deep analysis of UHF connectors performance tests, including return Loss of UHF Connectors, Mismatch Loss of UHF Connectors, SWR of UHF Connectors

Saturday, October 18, 2014 VE Testing, Digital modes, and Foxhunting demos. ARRL Affiliated Event

A Primer On Mics For Ham Radio. Difference between dynamic and condenser microphones, microphone plugs and differences in kind of microphones available on the market

IARU HF Contest, goal is to contact as many other amateurs, especially IARU member society HQ stations, around the world as possible using the 160, 80, 40, 20, 15 and 10 meter bands.

A ham radio blog primarily focused on newbies and those interested in the hobby. Covers a wide area of subjects that might be of interest to Amateur Radio operators, and material that can be used to study for the Amateur Radio tests.

This page describes a comparison study on seven different beam antennas for 40 meters band. Yagi antennas, moxon antennas, mini horse all antennas are described with schema diagram , azimuth plot and SWR F/B Gain diagram

Dipole antennas are some of the simplest antennas to build in addition to being very efficient and solid performers. I wanted to make a simple dipole antenna for QRP portable operation that could be used on multiple bands.

Where abilities and disabilities become possibilities

TP2CE/B rtx at 28.222.8 Mhz, using 450 mW into a GP R-7000 post your report.

A homemade delta loop antenna for six meters band in German

When on the trail, at Field Day, or whenever a good antenna is unavailable, a random wire can save the day, but it is important to understand its properties.

Chapter 73 fred hammond chapter of the quarter century wireless association

This guide explores different radio bands that hobbyists use to talk to each other worldwide. It explains how these bands work and what they're used for. From low-frequency to high-frequency bands, each has its own unique features for people who enjoy communicating through radios

A WSPR beacon project based on Arduino nano (atmega328P) based microcontroller

The structure of this dual band VHF UHF antenna is very simple. It consists of two identical square loops, whose sides measure a quarter wave, connected together at the ends. A project by I5NZR

The Jamaica Amateur Radio Association

The Metro Detroit area's largest Amateur Radio club presents it's annual Hamfest. Prizes, ARRL reps, DXCC Card checker, VE Exams, Chef Paul's Café, test bench, Vendors galore..

A homemade j-pole antenna for six meters band, designed to work on local repeaters, and working on the 52-53 MHz. Includes a list of needed materials and detailed description on assembling the copper tubes used to build this antenna.

Shelby Amateur Radio Club - hosts of one of the largest Hamfest in the country. Still the Shelby Amateur Radio Club's Shelby Hamfest but now in Dallas, NC

RF Feedline (Coax and Ladder-Line) Loss and ERP Calculators made with Javascript. This complex feddline loss calculator has already several line types paramenters for most common coaxial cables from Belden, Time LMR, Wireman and other common products. Result will give Matches loss, SWR loss, dB and Watts power loss.

Arkansas QSO Party, Amateur Radio Klub of the Arkansas Northwest

An article about building home made Go Kits also using Tac-Comm tactical radio carriers

JTAlert provides several audio and Visual alerts for WSJT-X & JTDX software. JTAlert generate audio and visual alerts for several alert conditions, logs automatically to several ham radio log books software like hrd dxkeeper,log4om, interoperates with web services and it supports dxlab suite.

A review of the Wouxun VHF UHF handheld transceiver KG-UV8D

First italian HamFest in Florence Italy, fleamarket, dx covention and contest price giving 6th April 2013

A portable setup of the ICOM IC-705 with portable VHF UHF and and HF Alex Loop antenna, managed with a portable Raspberry PI 3 setup.

The Family Hamfest

Search callbook of Amateur radio Union of Serbia, includes statistics and complete call list