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The RBN S-Meter visualizes real-time HF propagation data from the Reverse Beacon Network (RBN). It processes thousands of automated spots per hour, providing a real-time picture of active RF paths on HF bands. Users can set their vantage point using _Region Mode_ or _Grid Square Mode_. Region Mode allows selection from broad geographic areas like E. North America or Europe, while Grid Square Mode uses a Maidenhead grid square and radius for more precise data. The app displays eight region panels, each with horizontal bars for bands 160m through 6m, indicating signal strength with a color ramp from green to red. A dimmer trail shows peak hold values, and an S-unit readout provides additional detail. The app is a free web application accessible on any device, offering a practical tool for ham radio operators interested in CW, RTTY, and FT8 signals. It features a Progressive Web App installation option for enhanced usability on mobile and desktop platforms. Users can install it on Android, iOS, and Windows devices, providing a native app-like experience. The app replaces the previous Windows standalone executable, incorporating user feedback to improve features like grid square mode and automatic location detection.

In his blog, KN9B, explain how he get started in Software Defined Radio

Shortwave listening web site from Brazil

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**.

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

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

ANARC web site

Employees and retirees of General Motors Corporation

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.

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.

Besides protection from lightning, this ARRL "All Risk" Ham Radio Equipment Insurance Plan also gives you the protection you need from loss or damage to your amateur station

_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.

Technical details of the Drake R-4C receiver

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

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

Artwork Created in Verve by Michael A. Maynard K4ICY includes some nice amateur radio related paints

Hot Springs Village AR

The Pro 95 is a dual trunking handheld scanner designed by GRE and sold by Radio Shack

The High Point Amateur Radio Club (HPARC), operating under the callsign W4UA, provides a central hub for amateur radio enthusiasts in High Point, North Carolina, and surrounding communities. The club's website outlines its long-standing traditions and civic service, which date back to the 1930s, highlighting its sustained leadership and strong membership support over decades. It serves as a resource for individuals interested in obtaining or upgrading an FCC amateur radio license, offering assistance through direct contact with club officers. The site also features a newsletter archive for meeting notices and information on club activities, including Field Day. HPARC's diverse membership shares a common interest in the amateur radio hobby, encompassing various aspects such as VHF, UHF, HF, and digital modes like D-STAR. The club's commitment to public service is evident through its involvement in ARES and Skywarn, alongside educational initiatives for new hams and those pursuing license upgrades. The site also lists repeaters and provides information on emergency communications, technical projects, and participation in events like DXCC and contests, reflecting the broad interests of its members.

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.

The club was founded in 1954 to help serve the emergency communication needs of Wood County, Ohio. The county seat is Bowling Green which is the home of Bowling Green State University.

Yahoo 360 hma radio blog

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

SNARS incorporated as a cooperative, non-profit, Nevada corporation on April 16, 1968, for the purpose of fostering the educational and scientific needs of Western Nevada's radio amateur community

ARRL affiliate club in Mobile, AL

The Chatham-Kent Amateur Radio Club Online

Amateur Radio I0QM, station and qso info.

Niles, Michigan USA

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

Presents the Westcoast Amateur Radio Association (WARA), VE7VIC, a prominent amateur radio club situated in Victoria, British Columbia. The site details the club's organizational structure, including its executive committee and meeting schedules, offering insights into local amateur radio governance and community engagement. It outlines various club activities, such as field operations, technical projects, and social gatherings, demonstrating the diverse interests of its members within the amateur radio hobby. The resource also highlights WARA's involvement in emergency communications, specifically mentioning its role in local ARES (Amateur Radio Emergency Service) initiatives and public service events. Information regarding repeater systems maintained by the club, including operational frequencies and modes, is provided, which is crucial for local hams seeking reliable communication infrastructure. The site also features a section dedicated to membership, detailing benefits and application procedures for prospective members. Furthermore, the website serves as a repository for club news, event calendars, and educational resources, supporting ongoing learning and participation among its members and the broader amateur radio community in the Pacific Northwest region. It also includes contact information for various club officers and general inquiries.

Primary, Ion, and Polymer, a lithium battery primer, learn the differences between and varied uses for these diverse types of lithium batteries.

WA4USN web site

Broadcasting from the ship the Jenni Baynton moored in Harlingen Harbour in the Netherlands, Radio Seagull can be heard on 1602 KHz AM

We are small club of individuals who like to explore and have fun with the many aspects of radio communication and technology utilising radio.

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

The Downeast Spectrum is an Amateur Radio newsletter covering topics of interest to enthusiasts of the Ham Radio hobby and service. It also reports on the activities of three ham radio clubs in Down East, Maine

Article descrive the different types including coax and open-wire feeder and waveguide.

HAM ramblings from VK3TEN

County ARC (LCARC) was incorporated in 1952. We are an American Radio Relay League (ARRL) affiliated club with 125 plus members.

The Radio Club was formed at the request of long term resident and mayor, Hardy Staub, VE7IDY, to provide the city with an Amateur radio communication resource, should the need arise.

Small, vibrant and active group of Amateur Radio Operators residing in the counties of Guilford, Randolph, and Davidson in central North Carolina.

W3PIE is located at Uniontown, Fayette County, Pennsylvania and has been on the air since 1938.

DL1OFC, operating from Hankensbüttel, Germany, shares insights into the fascinating hobby of amateur radio. While the station has been on hiatus since 2016, the site provides a valuable archive of activities and technical information. DL1OFC was active across various bands and modes, including 145.225 MHz FM, 430.225 MHz FM, 29.600 MHz FM, and DMR via DB0AGM on TS-1 TG-262 DL. Shortwave operations included SSB on the 40m through 10m bands, as well as 6m. The site details regional amateur radio activities in and around Hankensbüttel, offering a glimpse into local field days and community involvement. A notable feature is Die Isetalrunde, a regional amateur radio net covering the area from the Harz mountains to the sea. The site also includes general information on radio technology, tips for obtaining an amateur radio license, and discussions on VHF/HF propagation, including specifics on the 70 MHz band.

Tippah Amateur Radio Association

The K5BSA Venturing Crew 73 resource, intended for a ham radio club based in Richardson, Texas, currently presents a 404 "Page Cannot Be Found" error. This status indicates the original content, which likely detailed club activities, membership information, or amateur radio projects, is no longer accessible at the specified URL. The page provides general information about _QSL.net_ hosting services, noting it supports over 30,000 websites for amateur radio operators and organizations. The error message suggests contacting the website owner directly or using an internet search to locate the intended content. It also clarifies that QSL.net cannot assist in finding specific missing pages hosted by individual users, as each site is independently maintained. The platform offers its email and web services without cost to the amateur radio community. Despite the error, the page includes links to general QSL.net resources such as "About QSL.net," "The Help Page," and "EMail Mailing Lists." It also features a prominent "Make a Donation" option, emphasizing that while services are free, user contributions are encouraged to support the hosting infrastructure.