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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

QRP amateur radio & stuff by Adrian YO4HHP

Constructing an End-Fed Half-Wave (EFHW) antenna offers a practical solution for HF operators seeking a multiband wire antenna without the need for extensive radial systems. This design typically employs a high-impedance transformer at the feed point, matching the antenna's inherent high impedance to a 50-ohm coaxial feedline. The article specifically details a 2012 approach, focusing on a transformer with a 49:1 turns ratio, which is a common configuration for EFHW antennas. The resource outlines the construction of a wire element cut for a half-wavelength on the lowest desired band, with specific coil arrangements enabling operation on harmonically related bands such as 40m, 20m, and 10m. It discusses the physical dimensions and winding details for the matching transformer, often utilizing a ferrite toroid core to achieve the necessary impedance transformation. The content provides insights into the operational principles and practical considerations for deploying such an antenna, including methods for tuning and optimizing performance across multiple amateur radio bands. While acknowledging that the presented information from 2012 may be superseded by newer insights, it serves as a foundational reference for understanding EFHW antenna theory and construction.

K7UAZ: The Amateur Radio Club at the University of Arizona

The Chatham-Kent Amateur Radio Club Online

Amateur Radio I0QM, station and qso info.

An organization of Scouts and Scouters that provides program assistance to the Cradle of Liberty Council, BSA through amateur radio and other aspects of science and technology.

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.

Founded in 1947 in Rochester, NY, the Rochester DX Association is an amateur radio organization dedicated to the art and science of DX operating and contesting.

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

Blog post announcing that Ham Radio, shortwave listeners and broadcast band listeners will be protected by Law in Europe

WA4USN web site

FHD22 radio-relay transmitter and receiver by F4DAY

View real-time spot information by band for active amateur radio operators around the world via the DX Cluster network, taking raw data from a JSON API made available by DXCluster.co.uk

A nice blog about DXing, Shortwave Radio Listening (SWL) and Amateur (Ham) Radio by VK3BVW

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.

Article on radio frequency interferences, with a long list of common RFI cause, like Plasma TV, Solar panels inverters, fluorescent tube lamps.

W0VLZ ham radio experience incuding vintage homebrew QRP operating and national radio company

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.

Personal web site dedicated to amateur radio by KC0WVK Robert fron Green Bay, WI

HAM ramblings from VK3TEN

North american QRP CW Club, open to any licensed radio amateur or shortwave listener (SWL) worldwide with at least some interest in CW/QRP operation. Encouraging the use of CW and helping all hams increase CW speed and proficiency

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.

Delta Electronics, Inc. NY USA, family owned and operated selling all varieties of consumer electronics including 10 meter amateur radios, antennas, accessories, microphones, cw transmitters, coax cables and more

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.

Ham radio equipment pages including Collins, National, Hallicrafters, and Hammerlund radios.

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.

From the Upper Peninsula of Michigan along the southern shore of Lake Superior

Picture and specifications of the ICOM IC-2100H Amateur radio VHF transceiver at RigPix.com

Tippah Amateur Radio Association

AB0CW's Amateur and Antique Radio Page, Boathanchors, key and bugs

An extensive document about Morse Code in amateur radio edited by W5ALT

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.

Since 1957, 53 years of Amateur Radio in Pocatello

Professional constructed BALUNs,UNUNs and Line Isolators for Amateur Radio.

W7ED amateur radio club

West Park Radiops Amateur Radio Club is one of the oldest radio clubs in the Northeast Ohio, having been founded in October, 1947.

Amateur Radio - US Navy - New York City Home of the Virtual Collins Radio Museum

Located in Southwest Michigan, in Berrien County

Since 2011, crkits offer radio kits that you cannot find on eBay or AliExpress. Includes HT-1A 20/40m Dual Band CW Transceiver Kit, D4D DSB Transceiver Kit for Digital Mode, R3500D ARDF Receiver, CW Transceiver Kit