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French Blog about amateur radio and new technologies, Internet, Hyperfréquences (SHF), DX Radio et Contests, Antennas and Videos by F1JXQ

All about the joy of amateur radio communications

The 3900 Club began in the 1960's as a Sunday morning net of a dozen ham radio operators in, and around, the Sioux City, Iowa, area. The club was formally organized in September, 1969.

A 15-pin data switch, typically a rotary-knob type designed for DB-25 connectors, forms the basis for this microphone selector project. The resource details the conversion process, which involves replacing the original DB-25 connectors with **RJ-45** or **RJ-12** jacks to accommodate modern amateur radio microphones. It specifically addresses wiring for radios like the Icom IC-706 series (including the IC-7000 and IC-703) and Yaesu transceivers such as the FT-857, FT-897, FT-817, FT-7800, FT-7900, FT-8800, FT-8900, FTM-100, and FTM-400. The design ensures all microphone lines are switched straight through, with separate contacts for external speaker/headphone jacks, allowing simultaneous switching. The project emphasizes the practical application of switching between a headset for net control and a hand mic for rag-chewing without repeatedly plugging and unplugging cables. It highlights modifications to the original concept, such as eliminating a separate PTT jack by integrating PTT into headset cables and building the external speaker cable directly into the selector. The article provides guidance on managing the non-color-coded wiring often found in these data switches by soldering wires one by one from old to new connectors, ensuring correct pin alignment. This approach simplifies the conversion, making it accessible for hams seeking a functional and cost-effective mic switching solution.

An article on the restoration of a Gates Radio M-5078 Commercial HF AM transmitter by John LeVasseur, W2WDX

Modem Telephone Super Filters For HF and AM Radio Interference.

The radio-amatori.it forum provides a platform for Italian radio amateurs to discuss various topics. The forum's content includes general interest discussions relevant to the amateur radio community in Italy. This resource facilitates interaction among hams, allowing for the exchange of information and experiences within a regional context. Currently, the domain radio-amatori.it is listed for sale, indicating a potential change in ownership or operational status. This situation suggests the forum's long-term availability or content stability may be uncertain.

Hinckley, Leicestershire ham radio club

Temple University Amateur Radio Club

Ham radio club Decatur Illinois

Our club members are located in the beautiful Rivertown of Maysville, KY and area communities.

Transmitting operations in the 50-54 MHz range offer some unique problems that over the past 50 years have stymied station owners, forcing them to tolerate quiet hours and hostility from family and neighbors attempting to enjoy other electronic services.

A website for college and university amateur radio clubs to showcase themselves, work together, and promote amateur radio. Alumni and interested people can learn more about what college and university amateur radio clubs are doing.

Personal webpage of AE7XQ with information for those starting out in amateur radio and those who are interested in CW and QRP.

Over 100 distinct RF connector types are available from AIR802, including popular UHF series PL-259 plugs and SO-239 sockets, designed for a wide array of coaxial cable dimensions. The company specializes in producing connectors compatible with common amateur radio cables like RG-8, RG-213, and RG-58, ensuring reliable signal integrity for antenna systems and shack interconnections. Their product line extends to various coaxial cable types and pre-made antenna cable assemblies, offering ready-to-deploy solutions for hams. AIR802 also provides custom cable assemblies and pigtails, catering to specific installation requirements for transceivers, tuners, and amplifiers. These pre-fabricated options simplify station setup, reducing the need for field termination of connectors. Michael Bryant is the contact for inquiries regarding their range of RF components, which are essential for building robust and efficient amateur radio stations.

The Amateur Radio network now known as the Caribbean Emergency and Weather Net was established in 1958 by Colonel Henry Frew, KV4BZ, for the purpose of having a general calling frequency for the Caribbean Islands and our North and South American friends.

Candlewood Amateur Radio Association is sponsoring the annual Connecticut QSO Party

News of Ham radio in the world

Harleys, Astronomy, HAM Radio, and other stuff

An interesting article dedicated to hams that want to start learning morse code, including notes on Methodology, online training tools, and a guide to Morse Keys

Quinte West, Ontario, Canada

Peoria Area Amateur Radio Club

Shortwave listening web site from Brazil

ANARC web site

The Red River Valley Amateur Radio Club Paris, Lamar County, Texas

Introduction to ham radio with nice selected pictures and amateur radio history by VK5SW

Serving the Magic Valley of Idaho with emergency communications, VE Testing and activities for all amateur radio operators and those interested in becoming licensed.

Holland, Mi USA

Radio programmin equipment, radio programming cables, all sort of cables and connectors, webcams, cameras, security products

Sponsored by the Scandinavian Amateur Radio Teleprinter Group

The Triple A Amateur Radio Association (TAARA) is identified as an ARRL-affiliated Special Service Club, operating within Beaver County, Pennsylvania, approximately 28 air miles northwest of Pittsburgh. The organization provides a community hub for amateur radio operators in its service area, focusing on local engagement and support for the hobby. While the QSL.net hosting platform indicates a 404 error for the specific page, the club's stated affiliation with the _ARRL_ and its designation as a _Special Service Club_ suggest a commitment to public service, education, and promoting amateur radio. Such clubs typically engage in activities like license classes, field day operations, and emergency communications support within their local communities.

Bloomfield Amateur Radio Club Connecticut

_AT Auto_ is an automatic antenna tuner designed for amateur radio enthusiasts seeking efficient and reliable tuning solutions. This device automates the tuning process, allowing operators to focus on communication rather than manual adjustments. The tuner is compatible with a range of transceivers, enhancing its versatility in different shack setups. Its design incorporates advanced circuitry to ensure optimal performance across various bands. The _AT Auto_ tuner is particularly useful for those operating in HF bands, providing seamless transitions between frequencies. Its integration capabilities with other shack automation products make it a valuable component for modern amateur radio stations. The tuner supports multiple modes, including _SSB_ and _CW_, catering to diverse operating preferences. Its robust construction and user-friendly interface contribute to its appeal among both seasoned operators and those new to the hobby. Kessler Engineering's focus on innovation and quality is evident in the _AT Auto_'s design. The tuner is part of a broader product line that includes shack automation solutions, reflecting the company's commitment to enhancing amateur radio operations. Despite the website redesign, the tuner remains a key offering in their product portfolio.

This is a standard calculation method that can help you while tuning dipole antennas, by adjusting wire lengths. This method can be used also when you need to add lenght to your wires, and can be additionally used to quarter waves vertical antennas

An Easy Guide to UI-View32 and UISS produced by Mineo Wakita, from installing UI-View32, setting up and configuring software and using the UISS

Icom 706MkIIG Filters, Make a narrow CW filter work in SSB for the digital modes

SVARA - Saginaw Valley Amateur Radio Association

This is the blog for the M0BGR Amateur Radio Station. I am based in London, England but frequently go out mobile or portable.

Laramie WY

This resource presents a placeholder page for the _Tobacco Valley Amateur Radio Club_ (TVARC), signaling the future establishment of an online presence for this amateur radio organization. The page currently displays a "Coming Soon" message, indicating that the club's official website is in development. It serves as a preliminary marker for the club's digital footprint, suggesting an upcoming platform for members and prospective hams. The current state of the page offers no technical details, operational information, or specific club activities. It functions solely as a temporary landing page, prompting site owners to log in for launch and visitors to check back later. The resource does not provide any data on club repeaters, meeting schedules, or special events, nor does it detail any past achievements like **DX contacts** or **contest scores**.

The Linux operating system is perhaps the only operating system in the world that can boast native and standard support for the AX.25 packet radio protocol utilized by Amateur Radio operators worldwide. This document describes how to install and configure this support.

Employees and retirees of General Motors Corporation

The club is based in State College, Centre County, Pennsylvania, the geographic center of the Commonwealth, in the middle of the Allegheny Mountains.

The Fresno Amateur Radio Club was originally founded in the early days of Amateur Radio as the San Joaquin Valley Radio Club and affiliated with the ARRL on April 5, 1934.