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The Trident Amateur Radio Club was formed in April 1973.

Coax cable nomenclature, the RG Family, line loss explained, importance of shieding on coax cables, velocity factor explained, and differences among stranded vs solid wire

An article by MicroHam on using the Icom PW-1 RF Power Amplifier safely and with non-Icom transceivers.

Thames valley repeater group homepage. information about the group, its activities and its four amatuer radio repeaters in the thames valley area

The Northampton Scout Amateur Radio Group provides Radio Scouting and associated technology based activities for Scouts in the Northampton area.

This detailed guide provides step-by-step instructions on setting up a HamClock for your shack using a Raspberry Pi and the HamClock 4.21 software. It includes recommendations for hardware such as Raspberry Pi models, SD cards, PSUs, and displays. The guide covers installation, setup, configuration, and suggestions for customizing the default settings. Whether you are a beginner or experienced ham radio operator, this guide will help you create a functional HamClock for your shack with ease.

TP2CE/B on 28.222.8 Mhz, 450 mW, Antenna GR R-7000 from France

SimpleHRR is a free ham radio remote control web application (or web app) hosted by Raspberry Pi in the ham station to remote control a ham radio HF transceiver through a supported web browser from a Desktop PC, Laptop or Android phone. Supports recent ICOM IC-7x series transceivers

QSK 2500 enhances HF amplifiers by enabling full break-in (_QSK_) operation, allowing for seamless communication during CW transmissions. This device supports **all** HF transceivers that are QSK-compatible, ensuring versatility across various setups. The QSK 2500 facilitates quick switching between transmit and receive modes, which is crucial for effective DXing and contesting. With its straightforward installation, operators can achieve **improved** responsiveness in their communications without the need for extensive modifications to their existing amplifiers. This project is particularly beneficial for those engaged in high-speed CW operations, where timing is critical.

An home made VNA made with Arduino Nano. This project features an LCD display 4x20 works from 1 MHz to 60MHz, can use bluetooth connection with Blue VNA android app.

How many times have you heard the advice to coil a few turns of coax at the antenna end to form a choke. How to find out if your common mode current choke really works

The collinear J-Pole, often known as the Super-J, does improve the behavior over a regular J-Pole. there is an advantage when vertically combining 1/2 radiating sections to have a bit of separation between the half-wave end points. Get 0.8 dB more gain out of the trusty Super-J by replacing the traditional phasing stub with a long coil.

Home of the HSMM Mesh is a reference web site for HamNet enthusiasts

The Delta Amateur Radio Club (DARC) serves as a community organization for amateur radio operators in the Memphis, Tennessee area, providing resources and activities centered around two-way radio communication. The club maintains the W4BS repeater system, which operates on 147.060 MHz with a +600 kHz offset and a 100 Hz PL tone, facilitating local VHF communications. DARC actively supports the Amateur Radio Emergency Service (ARES), preparing members for public service and disaster response through training and coordinated drills. The club also hosts regular meetings and events, fostering camaraderie and technical skill development among its members. Membership in the Delta Amateur Radio Club offers opportunities for participation in various amateur radio activities, including field day operations and local nets. The W4BS repeater provides reliable coverage across the Memphis metropolitan area, serving as a critical asset for both daily ragchewing and emergency traffic handling. DARC's affiliation with the Amateur Radio Relay League (ARRL) ensures access to national resources and advocacy, reinforcing the club's commitment to promoting amateur radio and public service within the community. The club's focus on emergency communications strengthens local preparedness.

Welcome to the Barron County Amateur Radio Association located in north western Wisconsin. A local group of hams that enjoy the hobby of amateur radio.

Sumter Amateur Radio Club (SARA) Official Website

An overview or summary of amateur radio / ham radio contests, contesting and a contest calendar of some of the more popular contests.

The largest Amateur Radio trade show on Florida s West coast

Coax Velocity Factor in Baluns, Does it Matter? Test results show coaxial cable velocity factor does not always enter into stub length calculations especially in the world of Baluns

The home page of WSJT-X Improved, an enhanced version of WSJT-X, the popular tool for hams interested in digital modes such as FT8 and JT65. The software provides enhancements and improvements to the original WSJT-X program, making it easier and more efficient for ham operators to communicate digitally. Whether you are a beginner or an experienced operator, this download can help enhance your digital communications capabilities. Free downlaod and full description of improved features.

This website provides information of the worldwide Hytera Hamradio DMR network. Informations about supported talkgroups, functions and features of the DMR network.

Ham Call Lookup is an windows phone app that allows you to perform amateur radio callsign lookups via QRZ.COM. It also incorporates DX cluster feeds, DXCC information retrieval and Solar data all within one application on your Windows Phone. For callsign lookups, the application uses the QRZ.COM XML interface, please register at QRZ.COM for an account if you do not already have one. The application will happily work with a free QRZ.COM account although it is recommended to use a paid account, as a minimum the XML Logbook Data paid option, in order to access the full functionality of callsign lookups within the application.

Italian Hamfest from ASTI provice, in cooperation with Florence HamFest.

Ham radio activity and homebrew from Italy with some interesting article on QRSS, decoding interfaces, APRS and antennas

Shirehampton is located near the mouth of the Avon about 1 mile from the port of Avonmouth and 5 miles from the city of Bristol

The PARC web site describes ham radio activities and information of the Peterborough Amateur Radio Club in Peterborough, Ontario

RSGB Affiliated club

HAM-made engineering products supplies and produces coaxial relays, antenna switches, sequencers, roller inductors, variable capacitors, low noise preamplifiers, RF power rotary switches and coil bodies.

21 July – 4 August 2011

List of amateur radio repeaters in Essex England

The Intercontinental Amateur Traffic Net (Intercon) operates daily on 14.300 MHz, providing a platform for emergency communications and facilitating third-party traffic among amateur radio operators. Established in 1960, the net aims to foster goodwill and friendly relations within the ham community. It operates from 0700 to 1200 Eastern Time, with a focus on monitoring emergency traffic while encouraging operators to maintain a distance of at least 5 kHz to avoid interference. All licensed General Class operators and above are welcome to check in, using standard phonetics for clarity. The net features rotating Net Control Station (NCS) operators every hour, ensuring a diverse range of voices and experiences. Operators are encouraged to provide relays and assist with emergency traffic when necessary. While there is currently no membership for non-NCS operators, opportunities exist for those interested in becoming NCS operators. The net emphasizes professionalism and courtesy, making it a valuable resource for both emergency communications and casual check-ins.

Strictly Ham has a large retail presence in Australia and welcomes inquiries from New Zealand, the Pacific and Asia. Strictly Ham offers a comprehensive range of high quality Amateur, CB and Marine products, based in Victoria Australia

This page provides a detailed guide on the Guanella Current Balun for ham radio operators. The author shares very nice schematics, photos, and explanations on the construction and use of this type of balun. The content explains when a balun is needed and how it can help with common-mode currents in antenna systems. It also discusses the construction process, including winding the balun around a ferrite core. This resource is useful for hams looking to improve their antenna systems and reduce common-mode currents for better performance. This article is in Dutch.

Custom embroidered hats, shirts and jackets to Ham Radio Operators small businesses, ARES, ARRL and RACES clubs across America.

S.C.A.R.T is a club based in the Southampton area of the UK open to everybody who is interested in amateur television and video related subjects.

Established 1938

Hambook is a modern general-purpose CAT-control software package for HAM radios targeting the Windows platform.

These baluns are used to attenuate the common mode current that flows on the outside of the coaxial feed line.

The ICOM IC-7610 SDR HF/50MHz Transceiver official product page with product specifications, option accessories and video at ICOM UK

This antenna looks like an inverted L antenna, yet it is not, it could also be viewed as a 160m off-center fed dipole antenna, it looks more like an end-fed 1/4 wave 160 meter antenna.

The following is the third part of a three-part guide to help get started with HF, written by Charlie Davy – M0PZT

Notes on installing the miniVNA PRO software, making a calibration standard, a trap tuning loop.

Learn all about FT8 and FT4 digital modes in ham radio. Discover how to configure software to use these powerful modes for making contacts even in poor conditions. Find out how to hunt for awards and view instant statistics of your transmissions. Explore the benefits of using digital modes such as FT8 and FT4 for enhancing your ham radio experience.

Web site dedicated to articles relating to Ham and CB Radios and antennas, reviews and classifieds.

The program serves to assist in a ham-radio activities secretarial with his hobby , such as Printing QSL cards or print labels directly from the program , printing envelopes and mailing envelopes for the feedback you send direct QSL cards, download address for sending cards direct from QRZ.COM or for any station. Checking whether for the QSO and his country is present QSL bureau.

QSO Recorder Indexing service. This site allows radio amateurs to share their contest and DXpedition audio recordings, usually made with the N1MM Logger+ and the Qsorder plugin

All Satellites Frequency List Update. A complete list of satellite frequencies available in several formats, including info on Satellite Uplink and Downlink frequencies Beacon, operative Mode, Callsign and Weather sat functionality.

A comparison among a traditional J-Pole Antenna and 2BCX Slim Jim Antenna

The Washington County Amateur Radio Club was formed on June 26, 2014. Anyone with an interest in Amateur Radio is welcome to join us.

ham365 is an independent online logbook, free for all Amateur Radio Operators. First launched in December 2008 as the online logbook of Ham Radio Deluxe, it is now integrated with many other logbook programs. Share own logbook over the net.