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The JTRG is an active club affiliated with the American Radio Relay League (ARRL). and dedicated to further the art of amateur radio communication, serve the public, and promote high standards in amateur radio.

Friendly Club that offers club nights, full licence training and social events for Radiop fans in the South London area

Southern Michigan Amateur Radio Society Battle Creek,Michigan

Inrad Roofing Filter installation instruction

One of the oldest emergency traffic handling nets on amateur radio

The Jackson Hole Area Amateur Radio Club is based in Jackson Hole, Wyoming. The Club has members throughout Jackson Hole and includes ham radio operators in the Star Valley areas of Wyoming and the Teton Valley in Idaho.

Providing amateur radio 144 MHz & 440 MHz repeaters in the state of Oregon

The onslow amateur radio club provides this web site as a public service to all radio amateurs within jacksonville, onslow county, and the surrounding areas in north carolina.

The resource provides an interactive map interface for locating amateur radio license holders across the United States. Users can input a _callsign_, _gridsquare_, zip code, or street address to center the map, which then dynamically populates with station markers. This functionality allows for precise geographical searches, revealing the distribution of hams within specific areas. Upon initial search, the map renders with adjustable zoom and pan capabilities. A key feature is its automatic reload mechanism: after two seconds of inactivity, the map updates to display stations within the newly viewed area. This ensures that the displayed data remains relevant to the user's current focus, whether exploring a densely populated urban center or a more remote region. Further interactive elements include clickable gridsquare labels, which re-center the map, and a "Show gridsquares" checkbox for toggling grid line visibility. Clicking on individual station markers reveals a popup containing the licensee's name and address information, making it a practical tool for geographical station identification.

Cheap but effective multiband quad antenna covering the entire horizon on 10-12-15-17-20m bands.

Windows PC control program for the Icom IC-7300 transceiver. Power-on and Power-off by software BktNetInterface for JTDX and WSJT-X, audio recording, memory management, cw keyer management, Interface for other software

Welcome to the Northern Berkshire Amateur Radio Club website.

A tribute to off-shore radio stations

Dedicated to the art of Ham Radio, enhancing individual operational and technical skills as well as providing communications during local and national emergencies. Located on the Kenai Peninsula in South Central Alaska.

Offer EcloLink node to the ham community

Info about Amateur Radio and emergency info weather related.

Nuand id the maker of bladeRF - the USB 3.0 Superspeed Software Defined Radio, 300MHz - 3.8GHz RF frequency range Independent RX/TX 12-bit 40MSPS quadrature sampling

A Picaxe Morse Code keyer project with source code and links to useful resources by K6ACJ

Manufacture remote control interfaces to manage several kind of ham radio transceivers, Antenna rotators and antenna switches. Control can be done using smartphone Apps or from Computers.

All about VHF, UHF, SHF amateur radio communication in Russia

Serving The Interests Of Amateur Radio For Over 70 Years

Amateur projects to investigate radiowave propagation - G3PLX's chirp project, ionosonde database, and more

Describes Atlantic Tower Services (ATS), a company specializing in antenna tower erection and maintenance, operating from Orlando, Florida. ATS offers a range of services including site maintenance, structural repairs, system modifications, and complete tower installations for various communication needs. The company emphasizes its capability to handle diverse tower projects, from routine inspections to complex upgrades, ensuring structural integrity and optimal performance for amateur radio and commercial installations. ATS focuses on delivering reliable infrastructure solutions, supporting the backbone of communication systems. Their service portfolio covers critical aspects of tower ownership, addressing both preventative care and reactive solutions for existing structures. They are equipped to manage projects involving different tower types and heights, adhering to safety standards and operational best practices. Services include **site maintenance** and _structural modifications_.

Replacing filters on ICOM IC 775

Portage amateur radio club, amateur radio emergency service,ares.

A shortwave radio listeners log book runs on Windows and MacOS Catalina and above. The KB6IBB SWL Logger is a program designed for the shortwave radio listener. It offers shortwave specific logging of stations, with most tasks handled automatically. The program also incorporates the use of EiBi shortwave database for logging and looking up various known shortwave stations world wide.

A free website for the amateur radio community. Being a member gives you full access to the features and benefits of this forum.

A blogspot blog about Software Defined Radio

The Brandon Amateur Radio Society serves the ham radio community in eastern Hillsborough County Florida.

This dynamic DX Map aggregates various resources that will help radio amateurs to operate their stations in search of long distance contacts, DX. HamDXMap displays current MUF values and foF2 critical frequency values around the globe.

The problem originates by improper TXOUT-to-RF timing (RF transmission exists still after a TX-EN prohibition), combined by too long decay of their CW pulses.

The Texas DX Society is an organization of radio amateurs in Houston, Texas who have a primary interest in DX chasing and contest operating on HF, VHF, and UHF.

W7VJD Lewis-Clark Amateur Radio Club is located in the Lewis-Clark Valley on the borders of Idaho and Washington. LCARC also provides emergency communcation support.

H.A.R.A.O.A

Loyalist city amateur radio club, inc.

Amateur Radio Ham E-Mail Callbook

The Radio Operators Association of Dallas (ROADS) Club exist to promote interest in amateur radio communication and experimentation, fostering of education in electronic communications as it applies to amateur radio, development of individual efficiency, cooperation among members. and furtherance of the public welfare.

Popular discussion forum about ham radio frequented mostly by VK operators.

The Tri-County CW Amateur Radio Club, operating under the callsign _W3TCW_, is situated in North Huntingdon, Pennsylvania, just southeast of Pittsburgh. This organization extends an open invitation to all licensed amateur radio operators, regardless of age or experience level, to participate in its activities and community. The club maintains a web presence detailing various aspects of its operations, including a calendar of events, a member roster, and contact information. It also provides resources related to _VE Testing_ and links to other local clubs and the _ARRL_ section website. Historical content, such as information from _Field Day 2008_, is also referenced.

The Somerset County Amateur Radio Club is an ARRL, ARES, and RACES affiliated club.

First started in the early 80's by a small group of Hams that resided in Cle Elum, Washington.

G0HWC details and HTML files with images to build yourself a Ham Radio website. Get your Ham Web Site on the internet for free

Broadcasting week-end from 09:00 utc - 16:00 UTC in English - Trucker Radio , Transport Radio each week day day 08:00 - 10:00 UTC in Dutch

Demonstrates the complete design and development process for a **Low Noise Microwave Amplifier** (LNA), beginning with conceptual design and progressing through prototyping. The tutorial series covers the initial stages of a single-ended first gain stage, focusing on critical parameters such as noise figure, gain, and stability. It systematically details the theoretical underpinnings and practical considerations for achieving optimal performance in microwave frequency applications. This resource provides a structured approach to LNA construction, enabling radio amateurs and RF engineers to understand the iterative steps involved in realizing high-performance receive-side amplification. It offers insights into component selection, impedance matching networks, and the measurement techniques required to validate design specifications, particularly for **microwave** band operation where noise performance is paramount.

Reports indicate the PA1RBZ DX Cluster, previously accessible via telnet at pa1rbz.dyndns.org on port 9000, is no longer operational. The QSL.net hosting platform displays a 404 error, indicating the specific page or file for the cluster's web interface or related information is missing. This service was designed to provide amateur radio operators with real-time DX spotting data, facilitating long-distance contacts across various bands. The cluster's primary function was to aggregate and disseminate DX spots, allowing users to monitor current propagation conditions and identify active stations. Such systems are crucial tools for DXers and contesters, enabling rapid response to new openings and rare DX entities. QSL.net, which hosts over 30,000 amateur radio websites, provides these services free of charge to hams, relying on user donations for operational continuity.

The Palo Alto Amateur Radio Association